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Diffstat (limited to 'branches/sdo-1.1.1-incubating/impl/src/main/java/org/apache/tuscany/sdo/util/resource')
11 files changed, 0 insertions, 6152 deletions
diff --git a/branches/sdo-1.1.1-incubating/impl/src/main/java/org/apache/tuscany/sdo/util/resource/ChangeSummaryStreamDeserializer.java b/branches/sdo-1.1.1-incubating/impl/src/main/java/org/apache/tuscany/sdo/util/resource/ChangeSummaryStreamDeserializer.java deleted file mode 100644 index 697de1c7ad..0000000000 --- a/branches/sdo-1.1.1-incubating/impl/src/main/java/org/apache/tuscany/sdo/util/resource/ChangeSummaryStreamDeserializer.java +++ /dev/null @@ -1,663 +0,0 @@ -/** - * - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you under the Apache License, Version 2.0 (the - * "License"); you may not use this file except in compliance - * with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, - * software distributed under the License is distributed on an - * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY - * KIND, either express or implied. See the License for the - * specific language governing permissions and limitations - * under the License. - */ -package org.apache.tuscany.sdo.util.resource; - -import java.util.ArrayList; -import java.util.Collection; -import java.util.Comparator; -import java.util.HashMap; -import java.util.Iterator; -import java.util.List; -import java.util.Map; - -import javax.xml.namespace.NamespaceContext; -import javax.xml.stream.XMLStreamException; -import javax.xml.stream.XMLStreamReader; - -import org.apache.tuscany.sdo.SDOFactory; -import org.apache.tuscany.sdo.helper.SDOAnnotations; -import org.apache.tuscany.sdo.impl.ChangeSummaryImpl; -import org.apache.tuscany.sdo.impl.ClassImpl; -import org.eclipse.emf.ecore.EClass; -import org.eclipse.emf.ecore.EObject; -import org.eclipse.emf.ecore.EStructuralFeature; -import org.eclipse.emf.ecore.ETypedElement; -import org.eclipse.emf.ecore.change.ChangeDescription; -import org.eclipse.emf.ecore.change.ChangeFactory; -import org.eclipse.emf.ecore.change.ChangeKind; -import org.eclipse.emf.ecore.change.FeatureChange; -import org.eclipse.emf.ecore.change.FeatureMapEntry; -import org.eclipse.emf.ecore.change.ListChange; -import org.eclipse.emf.ecore.util.FeatureMap; -import org.eclipse.emf.ecore.util.FeatureMapUtil; - -import commonj.sdo.ChangeSummary; -import commonj.sdo.DataObject; -import commonj.sdo.Property; -import commonj.sdo.Type; -import commonj.sdo.helper.HelperContext; - -/** - * ChangeSummary StAX Deserializer whose input conforms to the SDO Java/C++/PHP specifications. The instance isn't thread-safe, however it's safe to - * use the instance any times on the same thread. - */ -public class ChangeSummaryStreamDeserializer extends SDODeserializer { - static final class ForwardReference extends Ref { - final String unset; - - ForwardReference(String ref, NamespaceContext nameSpaces, String u) { - super(ref, nameSpaces); - unset = u; - } - - Collection attributes/* = null */, qualifiedAttributes/* = null */, tags/* = null */; // may be null, never empty - } - - protected Collection forwardReferences/* = null */; - - static private final class ElementChange extends Ref { - private final Object containing, containment; - private ElementChange(String ref, NamespaceContext nameSpaces, Object property, Object propertyInSequence) { - super(ref, nameSpaces); - containing = property; - containment = propertyInSequence; - } - } - - static private class PropertyMapChanges { - Map/* Property,List */lists/* = null */;// may be null - - Collection put(Object property) { - Collection list = new ArrayList(); - lists.put(property, list); - return list; - } - - protected final Collection get(Object property) { - Object list = lists.get(property); - return list == null ? put(property) : (Collection) list; - } - - protected final Collection newList(Object property) { - lists = new HashMap(); - return put(property); - } - } - - static final class ObjectChanges extends PropertyMapChanges { - Collection elementChanges/* = null */,// may be null, never empty - featureChanges; - - protected final void newElementChanges() { - elementChanges = new ArrayList(); - } - } - - Collection objectChangesCollection/* = null */, objectMapChanges, deletedDataObjects; - - protected final ObjectChanges newObjectChanges(Collection featureChanges) { - ObjectChanges objectChanges = new ObjectChanges(); - objectChanges.featureChanges = featureChanges; - if (objectChangesCollection == null) - objectChangesCollection = new ArrayList(); - objectChangesCollection.add(objectChanges); - return objectChanges; - } - - private ChangeFactory changeFactory; - - private SDOFactory changeSettingFactory; - - private void logPropertyChange(Collection featureChanges, EStructuralFeature feature, Object value, boolean set) { - if (changeSettingFactory == null) - featureChanges.add(changeFactory.createFeatureChange(feature, value, set)); - else - featureChanges.add(changeSettingFactory.createChangeSummarySetting(feature, value, set)); - } - - void unsetProperty(Collection featureChanges, String unset, int begin, int index, Type type) { - logPropertyChange(featureChanges, (EStructuralFeature) type.getProperty(unset.substring(begin, index)), null, false); - } - - static boolean isWhitespace(String unset, int index) { - return Character.isWhitespace(unset.charAt(index)); - } - - protected final Collection unsetProperties(EObject referent, String unset, Type type) { - Map.Entry entry = changeFactory.createEObjectToChangesMapEntry(referent); - objectMapChanges.add(entry); - Collection featureChanges = (Collection) entry.getValue(); - if (unset == null) - return featureChanges; - int end = unset.length(); - if (end != 0) - for (int begin = 0, index = 1;/* true */; ++index) { - if (index == end) { - unsetProperty(featureChanges, unset, begin, index, type); - break; - } - if (isWhitespace(unset, index)) { - unsetProperty(featureChanges, unset, begin, index, type); - while (true) { - if (++index != end) - return featureChanges; - if (!isWhitespace(unset, index)) { - begin = index; - break; - } - } - } - } - return featureChanges; - } - - private Object value(EStructuralFeature containing, Object containment, Object value) { - return FeatureMapUtil.isFeatureMap(containing) ? changeFactory.createFeatureMapEntry((EStructuralFeature) containment, value) : value; - } - - private void logPropertyChange(Collection featureChanges, Object containing, Object containment, Object value) { - EStructuralFeature feature = (EStructuralFeature) containing; - logPropertyChange(featureChanges, feature, value(feature, containment, value), true); - } - - private void logPropertyChange(Collection featureChanges, Object property, Object value) { - logPropertyChange(featureChanges, property, propertyInSequence, value); - } - - void logAttributeChange(Collection featureChanges, Property property, String literal, NamespaceContext nameSpaces) { - logPropertyChange(featureChanges, property, value(property.getType(), literal, nameSpaces)); - } - - protected final void logAttributeChange(Collection featureChanges, String property, Type type, String value, NamespaceContext nameSpaces) { - logAttributeChange(featureChanges, getProperty(type, property), value, nameSpaces); - } - - protected final void logAttributeChange(Collection featureChanges, String nameSpace, String name, Type type, String value, - NamespaceContext nameSpaces) { - logAttributeChange(featureChanges, getProperty(type, nameSpace, name, false), value, nameSpaces); - } - - protected final String ref() { - return reader.getAttributeValue(SDOAnnotations.COMMONJ_SDO_NS, ChangeSummaryStreamSerializer.REF_ATTRIBUTE); - } - - ChangeSummaryImpl changeSummary; - - protected Object load(XMLStreamReader reader, Map options) throws XMLStreamException { - Object value = super.load(reader, options); - deletedDataObjects.add(value); - return value; - } - - protected final void getChangeSummary(DataObject rootObject) { - changeSummary = (ChangeSummaryImpl) rootObject.getChangeSummary(); // DynamicDataObjectImpl(EClass) - } - - static protected final class Tag extends RecordedEventXMLStreamReader.Tag { - protected String ref; - - protected Object value; - - protected Tag(XMLStreamReader reader) { - super(reader); - } - } - - protected final void addPropertyChange(Collection list, Object value, Object containing) { - list.add(value((EStructuralFeature) containing, propertyInSequence, value)); - } - - protected boolean logging; - - /** - * Imports ChangeSummary 2-1. Forward references will be resolved by {@link #end()}. - * - * @param reader - * Never null - * @throws XMLStreamException - */ - public final void begin(DataObject rootObject, HelperContext scope, XMLStreamReader reader) throws XMLStreamException { - /* - * 3-1. Instantiate ChangeSummary input: reader (xsi:type), factory, rootObject output: changeSummary, changeDescription - */ - initialize(reader, scope, rootObject); - if (typedXSI()) { - changeSummary = (ChangeSummaryImpl) scope.getDataFactory().create(nameSpace, name); - if (changeSummary == null) - getChangeSummary(rootObject); - else { - Property csp = ((ClassImpl) rootObject.getType()).getChangeSummaryProperty(); - rootObject.set(csp, changeSummary); - changeSummary.setDataObject(rootObject); - } - } else - getChangeSummary(rootObject); - ChangeDescription changeDescription = (ChangeDescription) changeSummary; - - /* - * 3-2. "logging" attribute input: reader output: logging - */ - logging = Boolean.valueOf(reader.getAttributeValue(null, "logging")).booleanValue(); - - /* - * 3-3. Modified DataObjects input: changeDescription - */ - if (forwardReferences != null) - forwardReferences.clear(); - if (objectChangesCollection != null) - objectChangesCollection.clear(); - if (START_ELEMENT == reader.nextTag()) { - objectMapChanges = changeDescription.getObjectChanges(); - deletedDataObjects = changeDescription.getObjectsToAttach(); - Object factory = changeDescription.eClass().getEPackage().getEFactoryInstance(); - changeFactory = factory instanceof ChangeFactory ? (ChangeFactory) factory : ChangeFactory.eINSTANCE; - changeSettingFactory = factory instanceof SDOFactory ? (SDOFactory) factory : null; - do { - /* - * Modified DataObject - */ - String ref = ref(), unset = reader.getAttributeValue(SDOAnnotations.COMMONJ_SDO_NS, ChangeSummaryStreamSerializer.UNSET); - int attributes = reader.getAttributeCount(); - NamespaceContext nameSpaces = reader.getNamespaceContext(); - EObject referent = referent(ref, nameSpaces); - if (referent == null) { - /* - * Forward-referenced(unresolved) modified DataObject - */ - ForwardReference forwardReference = new ForwardReference(ref, nameSpaces, unset); - if (forwardReferences == null) - forwardReferences = new ArrayList(); - forwardReferences.add(forwardReference); - do // what about xmlns="NS1" a1="qName" xmlns="NS2" a2="qName" ? - { - /* - * Record property old value as attribute for end() - */ - String nameSpace = reader.getAttributeNamespace(--attributes), name = reader.getAttributeLocalName(attributes), value = reader - .getAttributeValue(attributes); - if (nameSpace == null) { - /* - * Local attribute - */ - Attribute attribute = new Attribute(); - attribute.name = name; - attribute.value = value; - if (forwardReference.attributes == null) - forwardReference.attributes = new ArrayList(); - forwardReference.attributes.add(attribute); - } else if (!SDOAnnotations.COMMONJ_SDO_NS.equals(nameSpace) || !ChangeSummaryStreamSerializer.REF_ATTRIBUTE.equals(name) - && !ChangeSummaryStreamSerializer.UNSET.equals(name)) { - /* - * Qualified(global) attribute - */ - QualifiedAttribute attribute = new QualifiedAttribute(); - attribute.name = name; - attribute.value = value; - attribute.nameSpace = nameSpace; - if (forwardReference.qualifiedAttributes == null) - forwardReference.qualifiedAttributes = new ArrayList(); - forwardReference.qualifiedAttributes.add(attribute); - } - } while (attributes != 0); - while (START_ELEMENT == reader.nextTag()) { - /* - * Record property old value as element for end() - */ - Tag tag = new Tag(reader); - if (forwardReference.tags == null) - forwardReference.tags = new ArrayList(); - forwardReference.tags.add(tag); - tag.ref = ref(); - if (tag.ref != null) - continue; - Type xsi = typeXSI(); - if (xsi == null) { - if (tag.nameSpace != null) - tag.value = value(globalElementType(tag.nameSpace, tag.name.getLocalPart())); // TODO substitutionGroup type if null - else if (tag.record(reader)) - break; - } else - tag.value = value(xsi); - } - } else { - /* - * Resolved(back-referenced) modified DataObject - */ - Type type = ((DataObject) referent).getType(); - Collection featureChanges = unsetProperties(referent, unset, type); - do // what about xmlns="NS1" a1="qName" xmlns="NS2" a2="qName" ? - { - /* - * Log property old value as attribute - */ - String nameSpace = reader.getAttributeNamespace(--attributes), name = reader.getAttributeLocalName(attributes), value = reader - .getAttributeValue(attributes); - if (nameSpace == null) - logAttributeChange(featureChanges, name, type, value, nameSpaces); - else if (!SDOAnnotations.COMMONJ_SDO_NS.equals(nameSpace) || !ChangeSummaryStreamSerializer.REF_ATTRIBUTE.equals(name) - && !ChangeSummaryStreamSerializer.UNSET.equals(name)) - logAttributeChange(featureChanges, nameSpace, name, type, value, nameSpaces); - } while (attributes != 0); - if (START_ELEMENT == reader.nextTag()) { - ObjectChanges objectChanges = null; - do { - /* - * Log property old value as element - */ - String nameSpace = reader.getNamespaceURI(), name = reader.getLocalName(); - Property property = getProperty(nameSpace, name, type); - boolean many = property.isMany(); - Object value; - ref = ref(); - if (ref == null) { - /* - * Contained property old value - */ - Type xsi = typeXSI(); - if (xsi != null) - value = value(xsi); - else if (nameSpace == null) - value = value(reader); - else { - xsi = globalElementType(nameSpace, name); - value = value(xsi == null ? propertyInSequence.getType() : xsi); - } - } else { - /* - * Referenced child DataObject - */ - nameSpaces = reader.getNamespaceContext(); - reader.nextTag()/* END_ELEMENT */; - value = referent(ref, nameSpaces); - if (value == null) { - /* - * Forward-referenced(unresolved) child DataObject - */ - if (!many) { - ElementChange elementChange = new ElementChange(ref, nameSpaces, property, propertyInSequence); - if (objectChanges == null) { - objectChanges = newObjectChanges(featureChanges); - objectChanges.newElementChanges(); - } else if (objectChanges.elementChanges == null) - objectChanges.newElementChanges(); - objectChanges.elementChanges.add(elementChange); - continue; - } - value = new Ref(ref, nameSpaces); - } - } - if (many) { - Collection list; - if (objectChanges == null) { - objectChanges = newObjectChanges(featureChanges); - list = objectChanges.newList(property); - } else if (objectChanges.lists == null) - list = objectChanges.newList(property); - else - list = objectChanges.get(property); - addPropertyChange(list, value, property); - } else - logPropertyChange(featureChanges, property, value); - } while (START_ELEMENT == reader.nextTag()); - } - } - } while (START_ELEMENT == reader.nextTag()); - } - } - - static private boolean sequence(Object listChanges) { - return FeatureMapUtil.isFeatureMap(((FeatureChange) ((EStructuralFeature.Setting) listChanges).getEObject()).getFeature()); - } - - private ListChange createListChange(ChangeKind changeKind, int index, Collection listChanges) { - ListChange listChange = changeFactory.createListChange(); - listChange.setKind(changeKind); - listChange.setIndex(index); - listChanges.add(listChange); - return listChange; - } - - Collection add(Collection adds, int change, Collection listChanges, Object value) { - if (adds == null) { - ListChange listChange = createListChange(ChangeKind.ADD_LITERAL, change, listChanges); - adds = sequence(listChanges) ? listChange.getFeatureMapEntryValues() : listChange.getValues(); - } - adds.add(value); - return adds; - } - - private int remove(int change, Collection listChanges, List list, int begin, int end) { - ListChange listChange = createListChange(ChangeKind.REMOVE_LITERAL, change, listChanges); - if (sequence(listChanges)) { - Collection removes = listChange.getFeatureMapEntryValues(); - do { - FeatureMap.Entry fme = (FeatureMap.Entry) list.get(begin); - removes.add(changeFactory.createFeatureMapEntry(fme.getEStructuralFeature(), fme.getValue())); - } while (++begin != end); - return begin; - } - Collection removes = listChange.getValues(); - do - removes.add(list.get(begin)); - while (++begin != end); - return begin; - } - - int remove(int begin, int end, int change, Collection listChanges, List list) { - return begin == end ? begin : remove(change, listChanges, list, begin, end); - } - - protected final void logManyChanges(PropertyMapChanges propertyMapChanges, EObject referent, Collection featureChanges) { - for (Iterator lists = propertyMapChanges.lists.entrySet().iterator(); lists.hasNext();) { - /* - * Compute ListChanges out of comparision of old and new list - */ - Map.Entry entry = (Map.Entry) lists.next(); - EStructuralFeature property = (EStructuralFeature) entry.getKey(); - Iterator values = ((Collection) entry.getValue()).iterator(); // old list - Object value = referent.eGet(property); - List list = value instanceof FeatureMap.Internal.Wrapper ? ((FeatureMap.Internal.Wrapper) value).featureMap() : (List) value; // new - int change = 0; - FeatureChange featureChange = changeSettingFactory == null ? changeFactory.createFeatureChange() : (FeatureChange) changeSettingFactory - .createChangeSummarySetting(); - featureChange.setFeature(property); - Collection listChanges = featureChange.getListChanges(), adds = null; - featureChanges.add(featureChange); - if (property.getEType() instanceof EClass) { - /* - * Log child DataObject changes - */ - int begin = 0, end = list.size(); - while (values.hasNext()) { - value = values.next(); - if (value.getClass() == Ref.class) { - value = referent((Ref) value); - if (value == null) - continue;// report error? - } - // values.remove(); - for (int index = begin;/* true */; ++index) - if (index == end) { - adds = add(adds, change, listChanges, value); - break; - } else if (list.get(index) == value) // List#indexOf uses equals - { - begin = remove(begin, index, change, listChanges, list); - ++begin; - adds = null; - break; - } - ++change; - } - remove(begin, end, change, listChanges, list); - } else if (FeatureMapUtil.isFeatureMap(property)) { - /* - * Log Sequence changes - */ - int begin = 0, end = list.size(); - while (values.hasNext()) { - FeatureMapEntry featureMapEntry = (FeatureMapEntry) values.next(); - value = featureMapEntry.getValue(); - if (value.getClass() == Ref.class) { - value = referent((Ref) value); - if (value == null) - continue;// report error? - } - // values.remove(); - Comparator equality; - ETypedElement feature = featureMapEntry.getFeature(); - if (((Type) feature.getEType()).isDataType()) - if (value == null) - equality = EQUAL_NULL; - else - equality = EQUAL; - else - equality = SAME; - for (int index = begin;/* true */; ++index) - if (index == end) { - adds = add(adds, change, listChanges, featureMapEntry); - break; - } else { - FeatureMap.Entry fme = (FeatureMap.Entry) list.get(index); - if (feature == fme.getEStructuralFeature() && equality.compare(fme.getValue(), value) == 0) { - begin = remove(begin, index, change, listChanges, list); - ++begin; - adds = null; - break; - } - } - ++change; - } - remove(begin, end, change, listChanges, list); - } else { - /* - * Log simple value changes - */ - while (values.hasNext()) { - value = values.next(); - // values.remove(); - int index = list.indexOf(value); - switch (index) { - case -1: - adds = add(adds, change, listChanges, value); - break; - default: - remove(change, listChanges, list, 0, index); - case 0: - list = list.subList(++index, list.size()); - adds = null; - } - ++change; - } - remove(0, list.size(), change, listChanges, list); - } - } - } - - protected PropertyMapChanges propertyMapChanges/* = null */; - - /** - * Imports ChangeSummary 2-2. Resolves forward references from {@link #begin} and resumes logging if necessary. If it's invoked from - * patching/resolving, try to make it last since logging may be turned on. - * - * @see #begin - */ - public final ChangeSummary end() throws XMLStreamException { - if (forwardReferences != null) - for (Iterator iterator = forwardReferences.iterator(); iterator.hasNext();) { - /* - * Forward-referenced(unresolved) modified DataObject from begin(...) - */ - ForwardReference forwardReference = (ForwardReference) iterator.next(); - EObject referent = referent(forwardReference); - if (referent == null) - continue; // report error? - // iterator.remove(); - Type type = ((DataObject) referent).getType(); - Collection featureChanges = unsetProperties(referent, forwardReference.unset, type); - if (forwardReference.attributes != null) - for (Iterator attributes = forwardReference.attributes.iterator(); attributes.hasNext();) { - /* - * Log property old value as local attribute from begin(...) - */ - Attribute attribute = (Attribute) attributes.next(); - logAttributeChange(featureChanges, attribute.name, type, attribute.value, forwardReference.nameSpaces); - } - if (forwardReference.qualifiedAttributes != null) - for (Iterator attributes = forwardReference.qualifiedAttributes.iterator(); attributes.hasNext();) { - /* - * Log property old value as qualified/global attribute from begin(...) - */ - QualifiedAttribute attribute = (QualifiedAttribute) attributes.next(); - logAttributeChange(featureChanges, attribute.nameSpace, attribute.name, type, attribute.value, forwardReference.nameSpaces); - } - if (forwardReference.tags != null) { - if (propertyMapChanges != null) - propertyMapChanges.lists.clear(); - for (Iterator tags = forwardReference.tags.iterator(); tags.hasNext();) { - /* - * Log property old value as element from begin(...) - */ - Tag tag = (Tag) tags.next(); - Property property = getProperty(tag.nameSpace, tag.name.getLocalPart(), type); - if (tag.ref != null) - tag.value = referent(tag.ref, tag.nameSpaceContext); - // if (tag.value == null) report error? - else if (tag.events != null) - tag.value = value(play(tag)); - if (property.isMany()) { - Collection list; - if (propertyMapChanges == null) { - propertyMapChanges = new PropertyMapChanges(); - list = propertyMapChanges.newList(property); - } else - list = propertyMapChanges.get(property); - addPropertyChange( list, tag.value, property); - } else - logPropertyChange(featureChanges, property, tag.value); - } - if (propertyMapChanges != null) - logManyChanges(propertyMapChanges, referent, featureChanges); - } - } - if (objectChangesCollection != null) - for (Iterator iterator = objectChangesCollection.iterator(); iterator.hasNext();) { - /* - * Forward-referenced(unresolved) child DataObject from begin(...) - */ - ObjectChanges objectChanges = (ObjectChanges) iterator.next(); - if (objectChanges.elementChanges != null) - for (Iterator elementChanges = objectChanges.elementChanges.iterator(); elementChanges.hasNext();) { - ElementChange elementChange = (ElementChange) elementChanges.next(); - Object value = referent(elementChange); - if (value == null) - continue; // report error? - // iterator.remove(); - logPropertyChange(objectChanges.featureChanges, elementChange.containing, elementChange.containment, value); - } - if (objectChanges.lists != null) - logManyChanges(objectChanges, (EObject) ((Map.Entry) ((EStructuralFeature.Setting) objectChanges.featureChanges).getEObject()) - .getKey(), objectChanges.featureChanges); - } - if (logging) - changeSummary.resumeLogging(); - return changeSummary; - } -} diff --git a/branches/sdo-1.1.1-incubating/impl/src/main/java/org/apache/tuscany/sdo/util/resource/ChangeSummaryStreamSerializer.java b/branches/sdo-1.1.1-incubating/impl/src/main/java/org/apache/tuscany/sdo/util/resource/ChangeSummaryStreamSerializer.java deleted file mode 100644 index ef5af8ab57..0000000000 --- a/branches/sdo-1.1.1-incubating/impl/src/main/java/org/apache/tuscany/sdo/util/resource/ChangeSummaryStreamSerializer.java +++ /dev/null @@ -1,690 +0,0 @@ -/** - * - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you under the Apache License, Version 2.0 (the - * "License"); you may not use this file except in compliance - * with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, - * software distributed under the License is distributed on an - * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY - * KIND, either express or implied. See the License for the - * specific language governing permissions and limitations - * under the License. - */ -package org.apache.tuscany.sdo.util.resource; - -import java.util.Collection; -import java.util.Iterator; -import java.util.List; -import java.util.Map; - -import javax.xml.namespace.NamespaceContext; -import javax.xml.namespace.QName; -import javax.xml.stream.XMLOutputFactory; -import javax.xml.stream.XMLStreamException; -import javax.xml.stream.XMLStreamReader; -import javax.xml.stream.XMLStreamWriter; - -import org.apache.tuscany.sdo.SDOPackage; -import org.apache.tuscany.sdo.helper.HelperContextImpl; -import org.apache.tuscany.sdo.helper.SDOAnnotations; -import org.apache.tuscany.sdo.helper.XSDHelperImpl; -import org.apache.tuscany.sdo.impl.ChangeSummaryImpl; -import org.apache.tuscany.sdo.model.ModelFactory; -import org.apache.tuscany.sdo.model.impl.ModelFactoryImpl; -import org.apache.tuscany.sdo.util.SDOUtil; -import org.eclipse.emf.common.util.EMap; -import org.eclipse.emf.ecore.EClassifier; -import org.eclipse.emf.ecore.EDataType; -import org.eclipse.emf.ecore.EObject; -import org.eclipse.emf.ecore.EStructuralFeature; -import org.eclipse.emf.ecore.change.ChangeDescription; -import org.eclipse.emf.ecore.change.ChangeKind; -import org.eclipse.emf.ecore.change.FeatureChange; -import org.eclipse.emf.ecore.change.ListChange; -import org.eclipse.emf.ecore.util.EcoreUtil; -import org.eclipse.emf.ecore.util.ExtendedMetaData; -import org.eclipse.emf.ecore.util.FeatureMap; -import org.eclipse.emf.ecore.util.FeatureMapUtil; -import org.eclipse.emf.ecore.xmi.XMLResource; - -import commonj.sdo.ChangeSummary; -import commonj.sdo.DataObject; -import commonj.sdo.Property; -import commonj.sdo.helper.XSDHelper; - -/** - * ChangeSummary StAX Serializer whose output conforms to the SDO Java/C++/PHP specifications. The instance isn't thread-safe, however it's safe to - * use the instance any times on the same thread. - */ -public class ChangeSummaryStreamSerializer { - private XMLStreamWriter writer; - - private String writeNamespace(String prefix, String nameSpace) throws XMLStreamException { - writer.writeNamespace(prefix, nameSpace); - writer.setPrefix(prefix, nameSpace); - return prefix; - } - - private int nsPrefixSuffix; - - private String prefix(String nameSpace, String preference) throws XMLStreamException { - if (preference != null) { - String bound = writer.getNamespaceContext().getNamespaceURI(preference); - if (bound == null) { - String prefix = writer.getPrefix(nameSpace); - return prefix == null ? writeNamespace(preference, nameSpace) : prefix/* or null */; - } - if (bound.equals(nameSpace)) - return preference; - } - Object automaticNsPrefix = writer.getProperty(XMLOutputFactory.IS_REPAIRING_NAMESPACES); - if (automaticNsPrefix != null && automaticNsPrefix.getClass() == Boolean.class // faster than instanceof since Boolean is final - && ((Boolean) automaticNsPrefix).booleanValue()) - return null; - String prefix = writer.getPrefix(nameSpace); - if (prefix != null) - return prefix; // or null - NamespaceContext nameSpaces = writer.getNamespaceContext(); - do - prefix = "CS" + nsPrefixSuffix++; - while (nameSpaces.getNamespaceURI(prefix) != null); - return writeNamespace(prefix, nameSpace); - } - - void writeGlobalAttribute(String prefix, String nameSpace, String name, String value) throws XMLStreamException { - prefix = prefix(nameSpace, prefix); - if (prefix == null) - writer.writeAttribute(nameSpace, name, value); - else - writer.writeAttribute(prefix, nameSpace, name, value); - } - - XSDHelper xsdHelper; - - protected final void writeAttribute(Property property, String value) throws XMLStreamException { - String name = xsdHelper.getLocalName(property), nameSpace = xsdHelper.getNamespaceURI(property); - // TODO "" for no-NameSpace global attribute - if (nameSpace == null) - writer.writeAttribute(name, value); - else - writeGlobalAttribute(null, nameSpace, name, value); - } - - private String lineBreak, indent, margin; - - private int nest; - - private void breakLine() throws XMLStreamException { - writer.writeCharacters(lineBreak); - - if (margin != null) - writer.writeCharacters(margin); - - if (indent != null) - for (int count = nest; count != 0; --count) - writer.writeCharacters(indent); - } - - private Map options; - - static private final String STRING_OPTION = "String option"; - - void startElement() throws XMLStreamException { - if (options == null) - return; - if (lineBreak == STRING_OPTION) - lineBreak = (String) options.get(SDOUtil.XML_SAVE_LineBreak); - if (lineBreak == null) - return; - if (margin == STRING_OPTION) - margin = (String) options.get(SDOUtil.XML_SAVE_MARGIN); - if (indent == STRING_OPTION) - indent = (String) options.get(SDOUtil.XML_SAVE_INDENT); - breakLine(); - } - - void writeStartElement(String prefix, String nameSpace, String name) throws XMLStreamException { - startElement(); - if (nameSpace == null) - writer.writeStartElement(name); - else { - prefix = prefix(nameSpace, prefix); - if (prefix == null) - writer.writeStartElement(nameSpace, name); - else - writer.writeStartElement(prefix, name, nameSpace); - } - } - - void writeStartElement(Property property) throws XMLStreamException { - ++nest; - writeStartElement(null, xsdHelper.getNamespaceURI(property),// TODO "" for no-NameSpace global element - xsdHelper.getLocalName(property)); - } - - static protected final String CREATE_ATTRIBUTE = "create", DELETE_ATTRIBUTE = "delete", LOGGING_ATTRIBUTE = "logging", REF_ATTRIBUTE = "ref", UNSET = "unset"; - - private StringBuffer step(String nameSpace, String name, StringBuffer path) throws XMLStreamException { - if (nameSpace != null) { - nameSpace = writer.getPrefix(nameSpace); - if (nameSpace != null && nameSpace.length() != 0) - return path.append(nameSpace).append(':').append(name); // *:name[namespace-uri()='nameSpace'] - } - return path.append(name); - } - - private StringBuffer step(Property containmentProperty, StringBuffer path) throws XMLStreamException { - return step(xsdHelper.getNamespaceURI(containmentProperty),// TODO "" for no-NameSpace global element - xsdHelper.getLocalName(containmentProperty), path); - } - - private StringBuffer step(Property containmentProperty) throws XMLStreamException { - return step(containmentProperty, new StringBuffer()); - } - - private DataObject dataObject; - - private StringBuffer step(Object container) throws XMLStreamException { - Property containmentProperty = dataObject.getContainmentProperty(); - StringBuffer step = step(containmentProperty); - if (containmentProperty.isMany() || ((EObject) dataObject).eContainingFeature() != containmentProperty) - step.append('[').append(((DataObject) container).getList(containmentProperty).indexOf(dataObject) + 1).append(']'); - return step; - } - - private String pathRootObject; - private DataObject rootObject; - - private EObject container(EObject object) { - final EObject container = object.eContainer(); - if (!(container instanceof DataObject)) - return null; - String name = extendedMetaData.getName(container.eClass()); - return name != null && name.length() == 0 // DocumentRoot - ? null : container; - } - - private String path() throws XMLStreamException { - if (pathRootObject == STRING_OPTION) - pathRootObject = options == null ? null : (String) options.get(OPTION_RootObject_PATH); - if (pathRootObject != null && dataObject == rootObject) - return null; - EObject container = container((EObject) dataObject); - if (container == null) - return null; - StringBuffer step = step(container); - while (true) { - String path = step.toString(); - dataObject = (DataObject) container; - if (pathRootObject != null && container == rootObject) - return path; - container = container(container); - if (container == null) - return path; - step = step(container).append('/').append(path); - } - } - - /* - * not to support DataGraph 3-1 private org.eclipse.emf.ecore.resource.Resource rootResource; - */ - - protected String rootElementNS; - - String rootElementName; - - ExtendedMetaData extendedMetaData; - - protected final String rootElementName() { - if (rootElementNS != null) - return rootElementName; - QName rootElement = (QName) options.get(OPTION_ROOT_ELEMENT); - if (rootElement != null) { - rootElementNS = rootElement.getNamespaceURI(); - return rootElementName = rootElement.getLocalPart(); - } - EStructuralFeature element = ((EObject) rootObject).eContainingFeature(); - if (element == null) { - rootElementNS = ""; - return rootElementName = "descendant-or-self::node()"; - } - rootElementNS = extendedMetaData.getNamespace(element); - if (rootElementNS == null) - rootElementNS = ""; - return rootElementName = extendedMetaData.getName(element); - } - - String ref() throws XMLStreamException { - /* - * not to support DataGraph 3-2 if (rootResource != null) return rootResource.getURIFragment((EObject) dataObject); - */ - String id = EcoreUtil.getID((EObject) dataObject); - if (id != null) - return id; - id = path(); - if (pathRootObject == null) - return id == null ? "#/" + rootElementName() // descendant-or-self::node() - : "#//" + id; - return id == null ? pathRootObject/* + "."*/ : pathRootObject + id; - } - - void writeRef(String ref) throws XMLStreamException { - writer.writeAttribute(SDOAnnotations.COMMONJ_SDO_NS, REF_ATTRIBUTE, ref); - } - - void writeRef() throws XMLStreamException { - writeRef(ref()); - } - - void writeEndElement(String lineBreak) throws XMLStreamException { - if (lineBreak != null) - breakLine(); - writer.writeEndElement(); - --nest; - } - - private StringBuffer pathDeleted/* = null */; - - private Collection modifiedDataObjects; - - private int lengthDeleted; - - private String changeSummaryElementNS, changeSummaryElementName; - - private ChangeSummary changeSummary; - - protected boolean skipDeletedModification(DataObject modifiedDataObject) { - return changeSummary.isDeleted(modifiedDataObject); - } - - String refDeleted() throws XMLStreamException { - String id = EcoreUtil.getID((EObject) dataObject); - if (id != null) - return id; - id = path(); // "dataObject" is updated too!! - DataObject deletedDataObject = dataObject; - - /* - * construct "#//...changeSummary/" - * output: pathDeleted - */ - if (lengthDeleted == -1) { - String path = pathRootObject == null ? "#//" : pathRootObject; - if (pathDeleted == null) - pathDeleted = new StringBuffer(path); - else - pathDeleted.replace(0, pathDeleted.length(), path); - dataObject = rootObject; - path = path(); - if (path != null) - pathDeleted.append(path).append('/'); - step(changeSummaryElementNS, changeSummaryElementName, pathDeleted).append('/'); - lengthDeleted = pathDeleted.length(); - } else - pathDeleted.delete(lengthDeleted, pathDeleted.length()); - - dataObject = changeSummary.getOldContainer(deletedDataObject); - Property containmentProperty = dataObject.getContainmentProperty(); - String name = containmentProperty == null ? rootElementName() : xsdHelper.getLocalName(containmentProperty); - int index = 1; - for (Iterator iterator = modifiedDataObjects.iterator(); iterator.hasNext();) { - DataObject modifiedDataObject = (DataObject) iterator.next(); - if (skipDeletedModification(modifiedDataObject)) - continue; - if (modifiedDataObject == dataObject) - break; - Property property = modifiedDataObject.getContainmentProperty(); - if (property == containmentProperty || name.equals(property == null ? rootElementName() : xsdHelper.getLocalName(property))) - ++index; - } - pathDeleted/*.append("*:")*/.append(name).append('[').append(index).append("]/"); - containmentProperty = changeSummary.getOldContainmentProperty(deletedDataObject); - // assert containmentProperty != null; - step(containmentProperty, pathDeleted); - Object f; - if (containmentProperty.isMany() - || (f = extendedMetaData.getAffiliation(((EObject) dataObject).eClass(), (EStructuralFeature) containmentProperty)) != null - && f != containmentProperty) - pathDeleted.append('[').append( - ((List) changeSummary.getOldValue(dataObject, containmentProperty).getValue()).indexOf(deletedDataObject) + 1).append(']'); - if (id != null) - pathDeleted.append('/').append(id); - return pathDeleted.toString(); - } - - static String convertToString(Property property, Object value) { - return EcoreUtil.convertToString((EDataType) property.getType(), value); - } - - void writeRefDeleted() throws XMLStreamException { - writeRef(refDeleted()); - } - - protected final void writeDeletedObject(Property property) throws XMLStreamException { - ++nest; - startElement(); - --nest; - DataObject oldDataObject = ((ChangeSummaryImpl)changeSummary).getOldDataObject(dataObject); - XMLStreamReader reader = new DataObjectXMLStreamReader(property, oldDataObject, null, xsdHelper); - new XMLStreamSerializer().serialize(new XMLDocumentStreamReader(reader), writer); - } - - static public final Object ChangeSummary_TYPE = ((ModelFactoryImpl) ModelFactory.INSTANCE).getChangeSummaryType(); - - Collection deletedDataObjects; - - protected final void writeElement(Object value, Property property) throws XMLStreamException { - if (value == null) { - writeStartElement(property); - writeGlobalAttribute(ExtendedMetaData.XSI_PREFIX, ExtendedMetaData.XSI_URI, XMLResource.NIL, "true"); - writeEndElement(null); - } else if (value instanceof DataObject) { - dataObject = (DataObject) value; - if (!changeSummary.isDeleted(dataObject)) { - writeStartElement(property); - writeRef(); - writeEndElement(null); - } else if (property.isContainment() && deletedDataObjects.contains(dataObject)) { - writeDeletedObject(property); - } else { - writeStartElement(property); - writeRefDeleted(); - writeEndElement(null); - } - } else { - Object type = property.getType(); - if (type == ChangeSummary_TYPE) - return; - writeStartElement(property); - writer.writeCharacters(EcoreUtil.convertToString((EDataType) type, value)); - writeEndElement(null); - } - } - - protected final void writeElement(Object value) throws XMLStreamException { - FeatureMap.Entry entry = (FeatureMap.Entry) value; - writeElement(entry.getValue(), (Property)entry.getEStructuralFeature()); - } - - static protected List optimize(List values, Object featureChange, int size) { - int fromIndex = size, toIndex = 0; - for (Iterator changes = ((FeatureChange) featureChange).getListChanges().iterator(); changes.hasNext();) { - ListChange change = (ListChange) changes.next(); - Object kind = change.getKind(); - if (kind == ChangeKind.MOVE_LITERAL) - return values; - int index = change.getIndex(); - if (kind == ChangeKind.ADD_LITERAL) { - if (index == 0) { - fromIndex = 0; - if (toIndex == 0) - toIndex = 1; - } else { - int to = index; - if (--index < fromIndex) - fromIndex = index; - if (++to > toIndex) - toIndex = to; - else if (to < toIndex) - ++toIndex; - } - ++size; - } else { - --size; - if (index < fromIndex) - fromIndex = index; - if (index < toIndex) - --toIndex; - else if (index > toIndex && index != size) - toIndex = index; - } - } - return values.subList(fromIndex, toIndex); - } - - static protected final Object CHANGE_SUMMARY = SDOPackage.eINSTANCE.getChangeSummary(); - - /** - * Root Object path String such as "#", etc. Absent/null is the default (automatic computation) - */ - static public final String OPTION_RootObject_PATH = "RootObject path", - /** - * Boolean to optimize sequence/list/array. Absent/null/Boolean.FALSE is the default (no optimization) - */ - OPTION_OPTIMIZE_LIST = "optimize sequence/list/array", - /** - * Element QName if the changeSummary Root Object is a XML root; the NameSpace can be empty, never null; the prefix is ignored. - * Absent/null is the default (automatic computation from DocumentRoot if any) - */ - OPTION_ROOT_ELEMENT = "Root Element"; - - /** - * Exports ChangeSummary - * - * @param changeSummary - * Never null - * @param changeSummaryElement - * changeSummary element; the NameSpace can be empty if no NameSpace, or null if local element; the prefix can be null(no preference) - * @param writer - * Never null - * @param options - * {@link SDOUtil#XML_SAVE_LineBreak} (absence/null is the default i.e. no Line Breaking), {@link SDOUtil#XML_SAVE_INDENT} (absence/null is the default i.e. no indentation), {@link SDOUtil#XML_SAVE_MARGIN}, {@link #OPTION_RootObject_PATH}, {@link #OPTION_OPTIMIZE_LIST} and XMLResource.OPTION_EXTENDED_META_DATA; can be null or empty - */ - public final void saveChangeSummary(ChangeSummary changeSummary, QName changeSummaryElement, XMLStreamWriter writer, Map options) - throws XMLStreamException { - /* - * 6-1. Group created, deleted and modified DataObjects - * input: changeSummary output: createdDataObjects, deletedDataObjects & modifiedDataObjects - * implement: careful if compute from changeSummary.getChangedDataObjects() since it also includes children of deleted objects (thank Frank) - */ - if (changeSummary.isLogging()) - ((ChangeSummaryImpl) changeSummary).summarize(); - ChangeDescription changeDescription = (ChangeDescription) changeSummary; - Iterator createdDataObjects = changeDescription.getObjectsToDetach().iterator(); - deletedDataObjects = changeDescription.getObjectsToAttach(); - EMap objectChanges = changeDescription.getObjectChanges(); - modifiedDataObjects = objectChanges.keySet(); // may contain DO(s) from createdDataObjects and/or deletedDataObjects - - /* - * 6-2. Prepare to compute (X)Path - * input: changeSummary - * output: rootResource - */ - /*not to support DataGraph 3-3 - Object dataGraph = changeSummary.getDataGraph(); - if (dataGraph == null) { - DataObject rootObject = changeSummary.getRootObject(); - // assert rootObject != null; - rootResource = rootObject.getContainer() == null ? ((EObject) rootObject).eResource() // Can be null since this *StAX* writer does NOT - // require rootObject contained by an *EMF* Resource - : null; // eResource() direct content may not necessarily always be the XML document - } else - // assert dataGraph instanceof DataGraphImpl; - rootResource = ((org.apache.tuscany.sdo.impl.DataGraphImpl) dataGraph).getRootResource(); */ - - /* - * 6-2. Start ChangeSummary element - * input: writer, options, elementCS, changeSummary & changeDescription (6-1) - */ - nsPrefixSuffix = 0; - this.writer = writer; - this.options = options; - lineBreak = ""; - indent = margin = pathRootObject = STRING_OPTION; - nest = 0; - changeSummaryElementNS = changeSummaryElement.getNamespaceURI(); - changeSummaryElementName = changeSummaryElement.getLocalPart(); - writeStartElement(changeSummaryElement.getPrefix(), changeSummaryElementNS, changeSummaryElementName); - lineBreak = STRING_OPTION; - rootObject = changeSummary.getRootObject(); - extendedMetaData = (ExtendedMetaData) options.get(XMLResource.OPTION_EXTENDED_META_DATA); - if (extendedMetaData == null) - { - extendedMetaData = ExtendedMetaData.INSTANCE; - xsdHelper = XSDHelper.INSTANCE; - } - else{ - xsdHelper = (new HelperContextImpl(extendedMetaData, false)).getXSDHelper(); - } - Property declaration = changeSummaryElementNS == null - ? rootObject.getType().getProperty(changeSummaryElementName) - : xsdHelper.getGlobalProperty(changeSummaryElementNS, changeSummaryElementName, true); - if (declaration != null) - { - EClassifier type = changeDescription.eClass(); - if (type != declaration.getType() && type != CHANGE_SUMMARY) - writeGlobalAttribute(ExtendedMetaData.XSI_PREFIX, ExtendedMetaData.XSI_URI, XMLResource.TYPE, new StringBuffer(prefix(extendedMetaData.getNamespace(type), null)) - .append(':').append(extendedMetaData.getName(type)).toString()); - } - - /* - * 6-3. "create" attribute - * input: createdDataObjects (6-1), rootResource (6-2), changeSummary & writer - */ - rootElementNS = null; - this.changeSummary = changeSummary; - if (createdDataObjects.hasNext()) { - StringBuffer buffer = new StringBuffer(); - while (true) { - dataObject = (DataObject) createdDataObjects.next(); - buffer.append(ref()); - if (!createdDataObjects.hasNext()) - break; - buffer.append(' '); - } - writer.writeAttribute(CREATE_ATTRIBUTE, buffer.toString()); - } - - /* - * 6-4. "delete" attribute - * input: deletedDataObjects (6-1), modifiedDataObjects (6-1) & writer - */ - Iterator iterator = deletedDataObjects.iterator(); - if (iterator.hasNext()) { - lengthDeleted = -1; - StringBuffer buffer = null; - do { - dataObject = (DataObject) iterator.next(); - if (skipDeletedModification(changeSummary.getOldContainer(dataObject))) - continue; - if (buffer == null) - buffer = new StringBuffer(); - else - buffer.append(' '); - buffer.append(refDeleted()); - } while (iterator.hasNext()); - writer.writeAttribute(DELETE_ATTRIBUTE, buffer.toString()); - } - - /* - * 6-5. "logging" attribute - * input: changeSummary & writer - */ - writer.writeAttribute(LOGGING_ATTRIBUTE, changeSummary.isLogging() ? "true" : "false"); - - /* - * 6-6. Modified DataObjects - * input: modifiedDataObjects (6-1), rootResource (6-2), changeSummary & writer - */ - iterator = modifiedDataObjects.iterator(); - if (iterator.hasNext()) { - boolean optimizeList; - if (options == null) - optimizeList = false; - else - { - Object option = options.get(OPTION_OPTIMIZE_LIST); - optimizeList = option == null ? false : ((Boolean)option).booleanValue(); - } - prefix(SDOAnnotations.COMMONJ_SDO_NS, SDOPackage.eNS_PREFIX); - do { - DataObject dataObject = (DataObject) iterator.next(); - if (skipDeletedModification(dataObject)) - continue; - Property containmentProperty = dataObject.getContainmentProperty(); - if (containmentProperty == null) { - ++nest; - startElement(); - rootElementName(); - writer.writeStartElement(rootElementNS, rootElementName); - } else - writeStartElement(containmentProperty); - this.dataObject = dataObject; - writeRef(); - - String lineBreak = null; - Collection oldValues = (Collection) objectChanges.get(dataObject); // changeSummary.getOldValues repeats Sequence changes - Iterator settings = oldValues.iterator(); - if (settings.hasNext()) { - do { - ChangeSummary.Setting oldValue = (ChangeSummary.Setting) settings.next(); - if (oldValue.isSet()) - continue; - StringBuffer unset = step(oldValue.getProperty()); - while (settings.hasNext()) { - oldValue = (ChangeSummary.Setting) settings.next(); - if (!oldValue.isSet()) - step(oldValue.getProperty(), unset.append(' ')); - } - writer.writeAttribute(SDOAnnotations.COMMONJ_SDO_NS, UNSET, unset.toString()); - break; - } while (settings.hasNext()); - for (settings = oldValues.iterator(); settings.hasNext();) { - ChangeSummary.Setting oldValue = (ChangeSummary.Setting) settings.next(); - Property property = oldValue.getProperty(); - if (oldValue.isSet() && xsdHelper.isAttribute(property)) - // assert ! property.isMany(); - writeAttribute(property, convertToString(property, oldValue.getValue())); - } - for (settings = oldValues.iterator(); settings.hasNext();) { - ChangeSummary.Setting oldValue = (ChangeSummary.Setting) settings.next(); - Property property = oldValue.getProperty(); - if (!xsdHelper.isAttribute(property)) - if (property.isMany()) { - Object value = oldValue.getValue(); - List list = (List) value; - if (FeatureMapUtil.isFeatureMap((EStructuralFeature) property)) { - if (optimizeList) - list = optimize(list, oldValue, dataObject.getSequence(property).size()); - Iterator values = list.iterator(); - if (!values.hasNext()) - continue; - do - writeElement(values.next()); - while (values.hasNext()); - } else { - if (optimizeList) - list = optimize(list, oldValue, dataObject.getList(property).size()); - Iterator values = list.iterator(); - if (!values.hasNext()) - continue; - do - writeElement(values.next(), property); - while (values.hasNext()); - } - lineBreak = this.lineBreak; - } else if (oldValue.isSet()) { - Object value = oldValue.getValue(); - if (value instanceof FeatureMap.Entry) - writeElement(value); - else - writeElement(value, property); - lineBreak = this.lineBreak; - } - } - } - writeEndElement(lineBreak); - } while (iterator.hasNext()); - writeEndElement(lineBreak); - } else - writeEndElement(null); - writer.flush(); - } -} diff --git a/branches/sdo-1.1.1-incubating/impl/src/main/java/org/apache/tuscany/sdo/util/resource/DataObjectXMLStreamReader.java b/branches/sdo-1.1.1-incubating/impl/src/main/java/org/apache/tuscany/sdo/util/resource/DataObjectXMLStreamReader.java deleted file mode 100644 index 06099fe6a3..0000000000 --- a/branches/sdo-1.1.1-incubating/impl/src/main/java/org/apache/tuscany/sdo/util/resource/DataObjectXMLStreamReader.java +++ /dev/null @@ -1,1579 +0,0 @@ -/** - * - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you under the Apache License, Version 2.0 (the - * "License"); you may not use this file except in compliance - * with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, - * software distributed under the License is distributed on an - * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY - * KIND, either express or implied. See the License for the - * specific language governing permissions and limitations - * under the License. - */ -package org.apache.tuscany.sdo.util.resource; - -import java.util.ArrayList; -import java.util.Arrays; -import java.util.HashMap; -import java.util.Iterator; -import java.util.List; -import java.util.Map; - -import javax.xml.namespace.NamespaceContext; -import javax.xml.namespace.QName; -import javax.xml.stream.Location; -import javax.xml.stream.XMLStreamException; - -import org.apache.tuscany.sdo.impl.AttributeImpl; -import org.apache.tuscany.sdo.impl.ReferenceImpl; -import org.apache.tuscany.sdo.util.SDOUtil; -import org.eclipse.emf.ecore.EClass; -import org.eclipse.emf.ecore.EDataType; -import org.eclipse.emf.ecore.EReference; -import org.eclipse.emf.ecore.EStructuralFeature; -import org.eclipse.emf.ecore.util.ExtendedMetaData; - -import commonj.sdo.DataObject; -import commonj.sdo.Property; -import commonj.sdo.Sequence; -import commonj.sdo.Type; -import commonj.sdo.helper.TypeHelper; -import commonj.sdo.helper.XMLDocument; -import commonj.sdo.helper.XSDHelper; - -public class DataObjectXMLStreamReader implements XMLFragmentStreamReader { - private static final QName XSI_TYPE_QNAME = new QName("http://www.w3.org/2001/XMLSchema-instance", "type", "xsi"); - private Property rootElement = null; - private DataObject dataObject; - - private String rootElementURI; - - private String rootElementName; - - private DataObject serializeRoot; - - private TypeHelper typeHelper; - - private XSDHelper xsdHelper; - - private Map.Entry[] properties; - - private Map.Entry[] attributes; - - private QName elementQName; - - // we always create a new namespace context - private NameSpaceContext namespaceContext; - - private Map declaredNamespaceMap = new HashMap(); - - // states for this pullparser - it can only have three states - private static final int START_ELEMENT_STATE = 0; - - private static final int END_ELEMENT_STATE = 1; - - private static final int DELEGATED_STATE = 2; - - private static final int TEXT_STATE = 3; - - // integer field that keeps the state of this - // parser. - private int state = START_ELEMENT_STATE; - - // reference to the child reader - private XMLFragmentStreamReader childReader; - - // current property index - // initialized at zero - private int currentPropertyIndex = 0; - - public DataObjectXMLStreamReader(DataObject dataObject, String rootElmentURI, String rootElementName) { - this(dataObject, rootElmentURI, rootElementName, null, null); - } - - public DataObjectXMLStreamReader(DataObject dataObject, String rootElmentURI, String rootElementName, TypeHelper typeHelper) { - this(dataObject, rootElmentURI, rootElementName, typeHelper, null); - } - - public DataObjectXMLStreamReader(DataObject dataObject, String rootElmentURI, String rootElementName, TypeHelper typeHelper, XSDHelper xsdHelper) { - this.dataObject = dataObject; - this.rootElementURI = rootElmentURI; - this.rootElementName = rootElementName; - this.serializeRoot = dataObject; - this.typeHelper = typeHelper == null ? TypeHelper.INSTANCE : typeHelper; - this.xsdHelper = (xsdHelper != null) ? xsdHelper : ((typeHelper == null) ? XSDHelper.INSTANCE : SDOUtil.createXSDHelper(typeHelper)); - rootElement = this.xsdHelper.getGlobalProperty(rootElmentURI, rootElementName, true); - namespaceContext = new NameSpaceContext(); - populateProperties(); - } - - protected DataObjectXMLStreamReader(TypeHelper typeHelper, XSDHelper xsdHelper, Property rootElement, DataObject dataObject) { - this.typeHelper = typeHelper == null ? TypeHelper.INSTANCE : typeHelper; - this.xsdHelper = (xsdHelper != null) ? xsdHelper : ((typeHelper == null) ? XSDHelper.INSTANCE : SDOUtil.createXSDHelper(typeHelper)); - this.rootElement = rootElement; - this.dataObject = dataObject; - this.rootElementURI = xsdHelper.getNamespaceURI(rootElement); - this.rootElementName = xsdHelper.getLocalName(rootElement); - } - - protected DataObjectXMLStreamReader(TypeHelper typeHelper, XSDHelper xsdHelper, Property rootElement, DataObject dataObject, DataObject serializeRoot) { - this.typeHelper = typeHelper == null ? TypeHelper.INSTANCE : typeHelper; - this.xsdHelper = (xsdHelper != null) ? xsdHelper : ((typeHelper == null) ? XSDHelper.INSTANCE : SDOUtil.createXSDHelper(typeHelper)); - this.rootElement = rootElement; - this.dataObject = dataObject; - this.serializeRoot = serializeRoot; - this.rootElementURI = xsdHelper.getNamespaceURI(rootElement); - this.rootElementName = xsdHelper.getLocalName(rootElement); - } - public DataObjectXMLStreamReader(Property rootElement, DataObject dataObject, TypeHelper typeHelper, XSDHelper xsdHelper) { - this(typeHelper, xsdHelper, rootElement, dataObject); - namespaceContext = new NameSpaceContext(); - populateProperties(); - } - - public DataObjectXMLStreamReader(XMLDocument document, TypeHelper typeHelper) { - this.dataObject = document.getRootObject(); - this.rootElementName = document.getRootElementName(); - this.rootElementURI = document.getRootElementURI(); - this.serializeRoot = this.dataObject; - this.typeHelper = typeHelper; - this.xsdHelper = typeHelper == null ? XSDHelper.INSTANCE : SDOUtil.createXSDHelper(typeHelper); - namespaceContext = new NameSpaceContext(); - populateProperties(); - } - - /* - * we need to pass in a namespace context since when delegated, we've no idea of the current namespace context. So it needs to be passed on here! - */ - protected DataObjectXMLStreamReader(QName elementQName, Map.Entry[] properties, Map.Entry[] attributes) { - // validate the lengths, since both the arrays are supposed - // to have - this.properties = properties; - this.elementQName = elementQName; - this.attributes = attributes; - namespaceContext = new NameSpaceContext(); - } - - private void addProperty(Property property, Object value, List propertyList) { - if (property.isMany() && property.getContainingType().isOpen() && value instanceof Sequence) { - addSequenceValue(propertyList, (Sequence) value); - } else if (SDOUtil.isMany(property, dataObject) && value instanceof List) { - addListValue(propertyList, property, (List) value); - } else { - // Complex Type - addSingleValue(propertyList, property, value); - } - } - - void addProperty(List propertyList, Property property, Object value, Object type) { - if (!isTransient(property, type)) - addProperty(property, value, propertyList); - } - - private void addSequenceValue(List elements, Sequence seq) { - if (seq != null && seq.size() > 0) { - for (int j = 0; j < seq.size(); j++) { - Object o = seq.getValue(j); - Property p = seq.getProperty(j); - addSingleValue(elements, p, o); - } - } - } - - static private boolean isTransient(Property property, Object type) { - // HACK: We need some SDOUtil extension to understand a property is derived - EStructuralFeature feature = (EStructuralFeature) property; - if (ExtendedMetaData.INSTANCE.getGroup(feature) != null) - return false; - feature = ExtendedMetaData.INSTANCE.getAffiliation((EClass) type, feature); - if (feature != null && feature != property) - return false; - if (property instanceof ReferenceImpl) { - ReferenceImpl r = (ReferenceImpl) property; - if (r.isTransient()) - return true; - EReference opposite = r.getEOpposite(); - if (opposite != null && opposite.isContainment()) { - return true; - } - } else if (property instanceof AttributeImpl) { - AttributeImpl a = (AttributeImpl) property; - if (a.isTransient()) - return true; - EDataType d = (EDataType) a.getEType(); - if (!d.isSerializable()) { - return true; - } - } - return false; - } - - private void addListValue(List propertyList, Property property, List objList) { - if (objList != null) { - for (int j = 0; j < objList.size(); j++) { - Object object = objList.get(j); - addSingleValue(propertyList, property, object); - } - } - } - - private void addSingleValue(List propertyList, Property property, Object value) { - String uri = xsdHelper.getNamespaceURI(property); - String name = xsdHelper.getLocalName(property); - QName qname = namespaceContext.createQName(uri, name); - Type propertyType = property.getType(); - - if (property.getName().equals("value") && uri == null && name.equals(":0")) { - // "value" is special property containing the value of simpleContent - Map.Entry entry = new NameValuePair(ELEMENT_TEXT, value); - propertyList.add(entry); - } else - - // FIXME: We need to deal with non-containment properties - if (value == null) { - // Creating xsi:nil="true" for elements - registerNamespace("xsi", "http://www.w3.org/2001/XMLSchema-instance"); - Map.Entry entry = new NameValuePair(qname, null); - propertyList.add(entry); - } else if (propertyType.isDataType()) { - Map.Entry entry = new NameValuePair(qname, SDOUtil.convertToString(propertyType, value)); - propertyList.add(entry); - } else if (property.isContainment() && value == serializeRoot) { - // do not create the childReader because a containmentCycle exists and this is the second - // time this DataObject has been encountered - } else { - DataObjectXMLStreamReader childReader = new DataObjectXMLStreamReader(typeHelper, xsdHelper, property, (DataObject) value, serializeRoot); - childReader.namespaceContext = namespaceContext; - childReader.populateProperties(); - childReader.rootElement = property; - Map.Entry entry = new NameValuePair(qname, childReader); - propertyList.add(entry); - } - } - - public void populateProperties() { - /*declaredNamespaceMap.put("xml", "http://www.w3.org/XML/1998/namespace"); - declaredNamespaceMap.put("xmlns", "http://www.w3.org/2000/xmlns/"); - declaredNamespaceMap.put("xsi", "http://www.w3.org/2001/XMLSchema-instance"); - */ - - if (properties != null) - return; - if (elementQName == null) - elementQName = namespaceContext.createQName(this.rootElementURI, this.rootElementName); - else - elementQName = namespaceContext.createQName(elementQName.getNamespaceURI(), elementQName.getLocalPart()); - - List elementList = new ArrayList(); - List attributeList = new ArrayList(); - if (dataObject == null) { - return; - } - Type type = dataObject.getType(); - - // Add xsi:type if rootElement doesn't exist or the type is different - if (rootElement == null || (rootElement != null && rootElement.getType() != type)) { - // FIXME: XSDHelper.getLocalName() for annoymous type returns null? - String typeName = xsdHelper.getLocalName(type); - if (typeName != null) { - QName realTypeName = namespaceContext.createQName(type.getURI(), typeName); - String typeQName = realTypeName.getPrefix() + ":" + realTypeName.getLocalPart(); - registerNamespace("xsi", "http://www.w3.org/2001/XMLSchema-instance"); - registerNamespace(realTypeName.getPrefix(), realTypeName.getNamespaceURI()); - attributeList.add(new NameValuePair(XSI_TYPE_QNAME, typeQName)); - } - } - - if (type.isSequenced()) { - Sequence sequence = dataObject.getSequence(); - for (int i = 0; i < sequence.size(); i++) { - Property property = sequence.getProperty(i); - Object value = sequence.getValue(i); - if (property == null) { - // property == null for text in mixed content - elementList.add(new NameValuePair(ELEMENT_TEXT, value)); - } else { - addProperty(property, value, elementList); - } - } - // Attributes are not in the sequence - List properties = dataObject.getInstanceProperties(); - for (Iterator i = properties.iterator(); i.hasNext();) { - Property property = (Property) i.next(); - if (xsdHelper.isAttribute(property)) { - // FIXME: How to handle nilable=true? - if (!dataObject.isSet(property)) - continue; - Object value = dataObject.get(property); - addProperty(attributeList, property, value, type); - } - } - } else { - List properties = dataObject.getInstanceProperties(); - for (Iterator i = properties.iterator(); i.hasNext();) { - Property property = (Property) i.next(); - // FIXME: How to handle nilable=true? - if (!dataObject.isSet(property)) - continue; - Object value = dataObject.get(property); - if (xsdHelper.isAttribute(property)) - addProperty(attributeList, property, value, type); - else - addProperty(elementList, property, value, type); - } - } - properties = (Map.Entry[]) elementList.toArray(new Map.Entry[0]); - attributes = (Map.Entry[]) attributeList.toArray(new Map.Entry[0]); - } - - public DataObject getDataObject() { - return dataObject; - } - - /** - * we need to split out the calling to the populate namespaces seperately since this needs to be done *after* setting the parent namespace - * context. We cannot assume it will happen at construction! - */ - public void init() { - // here we have an extra issue to attend to. we need to look at the - // prefixes and uris (the combination) and populate a hashmap of - // namespaces. The hashmap of namespaces will be used to serve the - // namespace context - - populateNamespaceContext(); - } - - /** - * - * @param key - * @return - * @throws IllegalArgumentException - */ - public Object getProperty(String key) throws IllegalArgumentException { - if (state == START_ELEMENT_STATE || state == END_ELEMENT_STATE) { - return null; - } else if (state == TEXT_STATE) { - return null; - } else if (state == DELEGATED_STATE) { - return childReader.getProperty(key); - } else { - return null; - } - - } - - public int next() throws XMLStreamException { - return updateStatus(); - } - - public void require(int i, String string, String string1) throws XMLStreamException { - throw new UnsupportedOperationException(); - } - - /** - * todo implement the right contract for this - * - * @return - * @throws XMLStreamException - */ - public String getElementText() throws XMLStreamException { - if (state == DELEGATED_STATE) { - return childReader.getElementText(); - } else { - return null; - } - - } - - /** - * todo implement this - * - * @return - * @throws XMLStreamException - */ - public int nextTag() throws XMLStreamException { - return 0; - } - - /** - * @return - * @throws XMLStreamException - */ - public boolean hasNext() throws XMLStreamException { - if (state == DELEGATED_STATE) { - if (childReader.isEndOfFragment()) { - // the child reader is done. We shouldn't be getting the - // hasnext result from the child pullparser then - return true; - } else { - return childReader.hasNext(); - } - } else { - return (state == START_ELEMENT_STATE || state == TEXT_STATE); - - } - } - - public void close() throws XMLStreamException { - // do nothing here - we have no resources to free - } - - public String getNamespaceURI(String prefix) { - return namespaceContext.getNamespaceURI(prefix); - } - - public boolean isStartElement() { - if (state == START_ELEMENT_STATE) { - return true; - } else if (state == END_ELEMENT_STATE) { - return false; - } - return childReader.isStartElement(); - } - - public boolean isEndElement() { - if (state == START_ELEMENT_STATE) { - return false; - } else if (state == END_ELEMENT_STATE) { - return true; - } - return childReader.isEndElement(); - } - - public boolean isCharacters() { - if (state == START_ELEMENT_STATE || state == END_ELEMENT_STATE) { - return false; - } - return childReader.isCharacters(); - } - - public boolean isWhiteSpace() { - if (state == START_ELEMENT_STATE || state == END_ELEMENT_STATE) { - return false; - } - return childReader.isWhiteSpace(); - } - - // ///////////////////////////////////////////////////////////////////////// - // / attribute handling - // ///////////////////////////////////////////////////////////////////////// - - public String getAttributeValue(String nsUri, String localName) { - - int attribCount = getAttributeCount(); - String returnValue = null; - QName attribQualifiedName; - for (int i = 0; i < attribCount; i++) { - attribQualifiedName = getAttributeName(i); - if (nsUri == null) { - if (localName.equals(attribQualifiedName.getLocalPart())) { - returnValue = getAttributeValue(i); - break; - } - } else { - if (localName.equals(attribQualifiedName.getLocalPart()) && nsUri.equals(attribQualifiedName.getNamespaceURI())) { - returnValue = getAttributeValue(i); - break; - } - } - - } - - return returnValue; - } - - public int getAttributeCount() { - return (state == DELEGATED_STATE) ? childReader.getAttributeCount() - : ((attributes != null) && (state == START_ELEMENT_STATE) ? attributes.length : 0); - } - - /** - * @param i - * @return - */ - public QName getAttributeName(int i) { - if (state == DELEGATED_STATE) { - return childReader.getAttributeName(i); - } else if (state == START_ELEMENT_STATE) { - if (attributes == null) { - return null; - } else { - if ((i >= (attributes.length)) || i < 0) { // out of range - return null; - } else { - // get the attribute pointer - Object attribPointer = attributes[i].getKey(); - // case one - attrib name is null - // this should be the pointer to the OMAttribute then - if (attribPointer instanceof String) { - return new QName((String) attribPointer); - } else if (attribPointer instanceof QName) { - return (QName) attribPointer; - } else { - return null; - } - } - } - } else { - throw new IllegalStateException();// as per the api contract - } - - } - - public String getAttributeNamespace(int i) { - if (state == DELEGATED_STATE) { - return childReader.getAttributeNamespace(i); - } else if (state == START_ELEMENT_STATE) { - QName name = getAttributeName(i); - if (name == null) { - return null; - } else { - return name.getNamespaceURI(); - } - } else { - throw new IllegalStateException(); - } - } - - public String getAttributeLocalName(int i) { - if (state == DELEGATED_STATE) { - return childReader.getAttributeLocalName(i); - } else if (state == START_ELEMENT_STATE) { - QName name = getAttributeName(i); - if (name == null) { - return null; - } else { - return name.getLocalPart(); - } - } else { - throw new IllegalStateException(); - } - } - - public String getAttributePrefix(int i) { - if (state == DELEGATED_STATE) { - return childReader.getAttributePrefix(i); - } else if (state == START_ELEMENT_STATE) { - QName name = getAttributeName(i); - if (name == null) { - return null; - } else { - return name.getPrefix(); - } - } else { - throw new IllegalStateException(); - } - } - - public String getAttributeType(int i) { - return null; // not supported - } - - public String getAttributeValue(int i) { - if (state == DELEGATED_STATE) { - return childReader.getAttributeValue(i); - } else if (state == START_ELEMENT_STATE) { - if (attributes == null) { - return null; - } else { - if ((i >= (attributes.length)) || i < 0) { // out of range - return null; - } else { - // get the attribute pointer - Object attribPointer = attributes[i].getKey(); - Object omAttribObj = attributes[i].getValue(); - - // Handle xsd:QName/SDO URI type property - // Before save, convert <uri>#<local part> to <prefix>:<local part> - String propertyName = null; - if (attribPointer instanceof String) - propertyName = (String)attribPointer; - else if (attribPointer instanceof QName) - propertyName = ((QName)attribPointer).getLocalPart(); - else - return null; - - String attrValue = (String)omAttribObj; - - Property property = dataObject.getType().getProperty(propertyName); - // property can be null for xsi:type - if (property != null && "URI".equals(property.getType().getName())) { - String namespace = null; - String localPart = attrValue; - - int index = attrValue.indexOf('#'); - if (index == -1) { - return localPart; - } - else { - namespace = localPart.substring(0, index); - localPart = localPart.substring(index+1); - - String prefix = namespaceContext.getPrefix(namespace); - if (prefix == null || prefix.length() == 0) - return localPart; - - return prefix + ":" + localPart; - } - } - else { - return attrValue; - } - } - } - } else { - throw new IllegalStateException(); - } - - } - - public boolean isAttributeSpecified(int i) { - return false; // not supported - } - - // ///////////////////////////////////////////////////////////////////////// - // //////////// end of attribute handling - // ///////////////////////////////////////////////////////////////////////// - - // ////////////////////////////////////////////////////////////////////////// - // //////////// namespace handling - // ////////////////////////////////////////////////////////////////////////// - - public int getNamespaceCount() { - if (state == DELEGATED_STATE) { - return childReader.getNamespaceCount(); - } else { - return declaredNamespaceMap.size(); - } - } - - /** - * @param i - * @return - */ - public String getNamespacePrefix(int i) { - if (state == DELEGATED_STATE) { - return childReader.getNamespacePrefix(i); - } else if (state != TEXT_STATE) { - // order the prefixes - String[] prefixes = makePrefixArray(); - if ((i >= prefixes.length) || (i < 0)) { - return null; - } else { - return prefixes[i]; - } - - } else { - throw new IllegalStateException(); - } - - } - - /** - * Get the prefix list from the hastable and take that into an array - * - * @return - */ - private String[] makePrefixArray() { - String[] prefixes = (String[]) declaredNamespaceMap.keySet().toArray(new String[declaredNamespaceMap.size()]); - Arrays.sort(prefixes); - return prefixes; - } - - public String getNamespaceURI(int i) { - if (state == DELEGATED_STATE) { - return childReader.getNamespaceURI(i); - } else if (state != TEXT_STATE) { - String namespacePrefix = getNamespacePrefix(i); - return namespacePrefix == null ? null : (String) declaredNamespaceMap.get(namespacePrefix); - } else { - throw new IllegalStateException(); - } - - } - - public NamespaceContext getNamespaceContext() { - if (state == DELEGATED_STATE) { - return childReader.getNamespaceContext(); - } else { - return namespaceContext; - } - - } - - // ///////////////////////////////////////////////////////////////////////// - // /////// end of namespace handling - // ///////////////////////////////////////////////////////////////////////// - - public int getEventType() { - if (state == START_ELEMENT_STATE) { - return START_ELEMENT; - } else if (state == END_ELEMENT_STATE) { - return END_ELEMENT; - } else { // this is the delegated state - return childReader.getEventType(); - } - - } - - public String getText() { - if (state == DELEGATED_STATE) { - return childReader.getText(); - } else if (state == TEXT_STATE) { - return (String) properties[currentPropertyIndex - 1].getValue(); - } else { - throw new IllegalStateException(); - } - } - - public char[] getTextCharacters() { - if (state == DELEGATED_STATE) { - return childReader.getTextCharacters(); - } else if (state == TEXT_STATE) { - return getTextData(); - } else { - throw new IllegalStateException(); - } - } - - private char[] getTextData() { - return properties[currentPropertyIndex - 1].getValue() == null ? new char[0] : ((String) properties[currentPropertyIndex - 1].getValue()) - .toCharArray(); - } - - private int copy(int sourceStart, char[] target, int targetStart, int length) { - char[] source = getTextData(); - if (sourceStart > source.length) - throw new IndexOutOfBoundsException("source start > source length"); - int sourceLen = source.length - sourceStart; - if (length > sourceLen) - length = sourceLen; - System.arraycopy(source, sourceStart, target, targetStart, length); - return sourceLen; - } - - public int getTextCharacters(int i, char[] chars, int i1, int i2) throws XMLStreamException { - if (state == DELEGATED_STATE) { - return childReader.getTextCharacters(i, chars, i1, i2); - } else if (state == TEXT_STATE) { - return copy(i, chars, i1, i2); - } else { - throw new IllegalStateException(); - } - } - - public int getTextStart() { - if (state == DELEGATED_STATE) { - return childReader.getTextStart(); - } else if (state == TEXT_STATE) { - return 0;// assume text always starts at 0 - } else { - throw new IllegalStateException(); - } - } - - public int getTextLength() { - if (state == DELEGATED_STATE) { - return childReader.getTextLength(); - } else if (state == TEXT_STATE) { - return getTextData().length; - } else { - throw new IllegalStateException(); - } - } - - public String getEncoding() { - if (state == DELEGATED_STATE) { - return childReader.getEncoding(); - } else { - // we've no idea what the encoding is going to be in this case - // perhaps we ought to return some constant here, which the user might - // have access to change! - return null; - } - } - - /** - * check the validity of this implementation - * - * @return - */ - public boolean hasText() { - if (state == DELEGATED_STATE) { - return childReader.hasText(); - } else if (state == TEXT_STATE) { - return true; - } else { - return false; - } - - } - - /** - * @return - */ - public Location getLocation() { - // return a default location - return new Location() { - public int getLineNumber() { - return 0; - } - - public int getColumnNumber() { - return 0; - } - - public int getCharacterOffset() { - return 0; - } - - public String getPublicId() { - return null; - } - - public String getSystemId() { - return null; - } - }; - } - - public QName getName() { - if (state == DELEGATED_STATE) { - return childReader.getName(); - } else if (state != TEXT_STATE) { - return elementQName; - } else { - throw new IllegalStateException(); - } - - } - - public String getLocalName() { - if (state == DELEGATED_STATE) { - return childReader.getLocalName(); - } else if (state != TEXT_STATE) { - return elementQName.getLocalPart(); - } else { - throw new IllegalStateException(); - } - } - - public boolean hasName() { - // since this parser always has a name, the hasname - // has to return true if we are still navigating this element - // if not we should ask the child reader for it. - if (state == DELEGATED_STATE) { - return childReader.hasName(); - } else if (state != TEXT_STATE) { - return true; - } else { - return false; - } - } - - public String getNamespaceURI() { - if (state == DELEGATED_STATE) { - return childReader.getNamespaceURI(); - } else if (state == TEXT_STATE) { - return null; - } else { - return elementQName.getNamespaceURI(); - } - } - - public String getPrefix() { - if (state == DELEGATED_STATE) { - return childReader.getPrefix(); - } else if (state == TEXT_STATE) { - return null; - } else { - return elementQName.getPrefix(); - } - } - - public String getVersion() { - return null; - } - - public boolean isStandalone() { - return true; - } - - public boolean standaloneSet() { - return true; - } - - public String getCharacterEncodingScheme() { - return null; // todo - should we return something for this ? - } - - public String getPITarget() { - throw new UnsupportedOperationException("Yet to be implemented !!"); - } - - public String getPIData() { - throw new UnsupportedOperationException("Yet to be implemented !!"); - } - - // ///////////////////////////////////////////////////////////////////////// - // / Other utility methods - // //////////////////////////////////////////////////////////////////////// - - /** - * Populates a namespace context - */ - private void populateNamespaceContext() { - - // first add the current element namespace to the namespace context - // declare it if not found - registerNamespace(elementQName.getPrefix(), elementQName.getNamespaceURI()); - - // traverse through the attributes and populate the namespace context - // the attrib list can be of many combinations - // the valid combinations are - // String - String - // QName - QName - // null - OMAttribute - - if (attributes != null) { - for (int i = 0; i < attributes.length; i++) { // jump in two - Object attribName = attributes[i].getKey(); - if (attribName instanceof String) { - // ignore this case - Nothing to do - } else if (attribName instanceof QName) { - QName attribQName = ((QName) attribName); - registerNamespace(attribQName.getPrefix(), attribQName.getNamespaceURI()); - - } - } - } - - } - - /** - * @param prefix - * @param uri - */ - private void registerNamespace(String prefix, String uri) { - if (!uri.equals(namespaceContext.getNamespaceURI(prefix))) { - namespaceContext.registerMapping(prefix, uri); - declaredNamespaceMap.put(prefix, uri); - } - } - - /** - * By far this should be the most important method in this class this method changes the state of the parser according to the change in the - */ - private int updateStatus() throws XMLStreamException { - int returnEvent = -1; // invalid state is the default state - switch (state) { - case START_ELEMENT_STATE: - // current element is start element. We should be looking at the - // property list and making a pullparser for the property value - if (properties == null || properties.length == 0) { - // no properties - move to the end element state straightaway - state = END_ELEMENT_STATE; - returnEvent = END_ELEMENT; - } else { - // there are properties. now we should delegate this task to a - // child reader depending on the property type - returnEvent = processProperties(); - - } - break; - case END_ELEMENT_STATE: - // we've reached the end element already. If the user tries to push - // further ahead then it is an exception - throw new XMLStreamException("Trying to go beyond the end of the pullparser"); - - case DELEGATED_STATE: - if (childReader.isEndOfFragment()) { - // we've reached the end! - if (currentPropertyIndex > (properties.length - 1)) { - state = END_ELEMENT_STATE; - returnEvent = END_ELEMENT; - } else { - returnEvent = processProperties(); - } - } else { - returnEvent = childReader.next(); - } - break; - - case TEXT_STATE: - // if there are any more event we should be delegating to - // processProperties. if not we just return an end element - if (currentPropertyIndex > (properties.length - 1)) { - state = END_ELEMENT_STATE; - returnEvent = END_ELEMENT; - } else { - returnEvent = processProperties(); - } - break; - } - return returnEvent; - } - - /** - * A convenient method to reuse the properties - * - * @return event to be thrown - * @throws XMLStreamException - */ - private int processProperties() throws XMLStreamException { - // move to the next property depending on the current property - // index - Object propPointer = properties[currentPropertyIndex].getKey(); - QName propertyQName = null; - boolean textFound = false; - if (propPointer == null) { - throw new XMLStreamException("property key cannot be null!"); - } else if (propPointer instanceof String) { - // propPointer being a String has a special case - // that is it can be a the special constant ELEMENT_TEXT that - // says this text event - if (ELEMENT_TEXT.equals(propPointer)) { - textFound = true; - } else { - propertyQName = new QName((String) propPointer); - } - } else if (propPointer instanceof QName) { - propertyQName = (QName) propPointer; - } else { - // oops - we've no idea what kind of key this is - throw new XMLStreamException("unidentified property key!!!" + propPointer); - } - - // ok! we got the key. Now look at the value - Object propertyValue = properties[currentPropertyIndex].getValue(); - // cater for the special case now - if (textFound) { - // no delegation here - make the parser null and immediately - // return with the event characters - childReader = null; - state = TEXT_STATE; - currentPropertyIndex++; - return CHARACTERS; - } else if (propertyValue == null || propertyValue instanceof String) { - // strings are handled by the NameValuePairStreamReader - childReader = new SimpleElementStreamReader(propertyQName, (String) propertyValue, namespaceContext); - childReader.init(); - } else if (propertyValue instanceof DataObjectXMLStreamReader) { - // ADBbean has it's own method to get a reader - XMLFragmentStreamReader reader = (DataObjectXMLStreamReader) propertyValue; - // we know for sure that this is an ADB XMLStreamreader. - // However we need to make sure that it is compatible - childReader = reader; - childReader.init(); - } else { - // all special possiblilities has been tried! Let's treat - // the thing as a bean and try generating events from it - throw new UnsupportedOperationException("Not supported"); - // childReader = new WrappingXMLStreamReader(BeanUtil.getPullParser(propertyValue, propertyQName)); - // we cannot register the namespace context here - } - - // set the state here - state = DELEGATED_STATE; - // we are done with the delegation - // increment the property index - currentPropertyIndex++; - return childReader.getEventType(); - } - - /** - * are we done ? - * - * @return - */ - public boolean isEndOfFragment() { - return (state == END_ELEMENT_STATE); - } - - protected static class NameValuePair implements Map.Entry { - private Object key; - - private Object value; - - public NameValuePair(Object key, Object value) { - this.key = key; - this.value = value; - } - - public Object getKey() { - return key; - } - - public Object getValue() { - return value; - } - - public Object setValue(Object value) { - Object v = this.value; - this.value = value; - return v; - } - - } - - protected static class SimpleElementStreamReader implements XMLFragmentStreamReader { - - private static final int START_ELEMENT_STATE = 0; - - private static final int TEXT_STATE = 1; - - private static final int END_ELEMENT_STATE = 2; - - private static final int START_ELEMENT_STATE_WITH_NULL = 3; - - private static final QName XSI_NIL_QNAME = new QName("http://www.w3.org/2001/XMLSchema-instance", "nil", "xsi"); - - private final NameSpaceContext namespaceContext; - - private QName name; - - private String value; - - private int state = START_ELEMENT_STATE; - - public SimpleElementStreamReader(QName name, String value, NameSpaceContext nameSpaces) { - this.name = name; - this.value = value; - if (value == null) - state = START_ELEMENT_STATE_WITH_NULL; - namespaceContext = nameSpaces; - } - - public Object getProperty(String key) throws IllegalArgumentException { - return null; - } - - public int next() throws XMLStreamException { - switch (state) { - case START_ELEMENT_STATE: - state = TEXT_STATE; - return CHARACTERS; - case START_ELEMENT_STATE_WITH_NULL: - state = END_ELEMENT_STATE; - return END_ELEMENT; - case END_ELEMENT_STATE: - // oops, not supposed to happen! - throw new XMLStreamException("end already reached!"); - case TEXT_STATE: - state = END_ELEMENT_STATE; - return END_ELEMENT; - default: - throw new XMLStreamException("unknown event type!"); - } - } - - public void require(int i, String string, String string1) throws XMLStreamException { - // not implemented - } - - public String getElementText() throws XMLStreamException { - if (state == START_ELEMENT) { - // move to the end state and return the value - state = END_ELEMENT_STATE; - return value; - } else { - throw new XMLStreamException(); - } - - } - - public int nextTag() throws XMLStreamException { - return 0;// todo - } - - public boolean hasNext() throws XMLStreamException { - return (state != END_ELEMENT_STATE); - } - - public void close() throws XMLStreamException { - // Do nothing - we've nothing to free here - } - - public String getNamespaceURI(String prefix) { - return namespaceContext.getNamespaceURI(prefix); - } - - public boolean isStartElement() { - return (state == START_ELEMENT_STATE || state == START_ELEMENT_STATE_WITH_NULL); - } - - public boolean isEndElement() { - return (state == END_ELEMENT_STATE); - } - - public boolean isCharacters() { - return (state == TEXT_STATE); - } - - public boolean isWhiteSpace() { - return false; // no whitespaces here - } - - public boolean isAttributeSpecified(int i) { - return false; // no attribs here - } - - public NamespaceContext getNamespaceContext() { - return this.namespaceContext; - } - - public int getEventType() { - switch (state) { - case START_ELEMENT_STATE: - case START_ELEMENT_STATE_WITH_NULL: - return START_ELEMENT; - case END_ELEMENT_STATE: - return END_ELEMENT; - case TEXT_STATE: - return CHARACTERS; - default: - throw new UnsupportedOperationException(); - // we've no idea what this is!!!!! - } - - } - - public String getText() { - if (state == TEXT_STATE) { - return value; - } else { - throw new IllegalStateException(); - } - } - - public char[] getTextCharacters() { - if (state == TEXT_STATE) { - return value.toCharArray(); - } else { - throw new IllegalStateException(); - } - } - - public int getTextCharacters(int i, char[] chars, int i1, int i2) throws XMLStreamException { - // not implemented - throw new UnsupportedOperationException(); - } - - public int getTextStart() { - if (state == TEXT_STATE) { - return 0; - } else { - throw new IllegalStateException(); - } - } - - public int getTextLength() { - if (state == TEXT_STATE) { - return value.length(); - } else { - throw new IllegalStateException(); - } - - } - - public String getEncoding() { - return "UTF-8"; - } - - public boolean hasText() { - return (state == TEXT_STATE); - } - - public Location getLocation() { - return new Location() { - public int getLineNumber() { - return 0; - } - - public int getColumnNumber() { - return 0; - } - - public int getCharacterOffset() { - return 0; - } - - public String getPublicId() { - return null; - } - - public String getSystemId() { - return null; - } - }; - } - - public QName getName() { - if (state != TEXT_STATE) { - return name; - } else { - return null; - } - } - - public String getLocalName() { - if (state != TEXT_STATE) { - return name.getLocalPart(); - } else { - return null; - } - } - - public boolean hasName() { - return (state != TEXT_STATE); - - } - - public String getNamespaceURI() { - if (state != TEXT_STATE) { - return name.getNamespaceURI(); - } else { - return null; - } - - } - - public String getPrefix() { - if (state != TEXT_STATE) { - return name.getPrefix(); - } else { - return null; - } - } - - public String getVersion() { - return null; // todo 1.0 ? - } - - public boolean isStandalone() { - return false; - } - - public boolean standaloneSet() { - return false; - } - - public String getCharacterEncodingScheme() { - return null; - } - - public String getPITarget() { - return null; - } - - public String getPIData() { - return null; - } - - public boolean isEndOfFragment() { - return (state == END_ELEMENT_STATE); - } - - public void init() { - // just add the current elements namespace and prefix to the this - // elements nscontext - registerNamespace(name.getPrefix(), name.getNamespaceURI()); - - } - - /** - * @param prefix - * @param uri - */ - private void registerNamespace(String prefix, String uri) { - // todo - need to fix this up to cater for cases where - // namespaces are having no prefixes - if (!uri.equals(namespaceContext.getNamespaceURI(prefix))) { - // this namespace is not there. Need to declare it - namespaceContext.registerMapping(prefix, uri); - } - } - - public int getAttributeCount() { - if (state == START_ELEMENT_STATE_WITH_NULL) - return 1; - if (state == START_ELEMENT_STATE) { - return 0; - } else { - throw new IllegalStateException(); - } - - } - - public String getAttributeLocalName(int i) { - if (state == START_ELEMENT_STATE_WITH_NULL && i == 0) - return XSI_NIL_QNAME.getLocalPart(); - if (state == START_ELEMENT_STATE) { - return null; - } else { - throw new IllegalStateException(); - } - } - - public QName getAttributeName(int i) { - if (state == START_ELEMENT_STATE_WITH_NULL && i == 0) - return XSI_NIL_QNAME; - if (state == START_ELEMENT_STATE) { - return null; - } else { - throw new IllegalStateException(); - } - } - - public String getAttributeNamespace(int i) { - if (state == START_ELEMENT_STATE_WITH_NULL && i == 0) - return XSI_NIL_QNAME.getNamespaceURI(); - if (state == START_ELEMENT_STATE) { - return null; - } else { - throw new IllegalStateException(); - } - } - - public String getAttributePrefix(int i) { - if (state == START_ELEMENT_STATE_WITH_NULL && i == 0) - return XSI_NIL_QNAME.getPrefix(); - if (state == START_ELEMENT_STATE) { - return null; - } else { - throw new IllegalStateException(); - } - } - - public String getAttributeType(int i) { - return null; // not implemented - } - - public String getAttributeValue(int i) { - if (state == START_ELEMENT_STATE_WITH_NULL && i == 0) - return "true"; - if (state == START_ELEMENT_STATE) { - return null; - } else { - throw new IllegalStateException(); - } - } - - public String getAttributeValue(String string, String string1) { - if (state == TEXT_STATE) { - // todo something - return null; - } else { - return null; - } - - } - - public int getNamespaceCount() { - if (state == START_ELEMENT_STATE_WITH_NULL && isXsiNamespacePresent()) - return 1; - else - return 0; - - } - - public String getNamespacePrefix(int i) { - if (state == START_ELEMENT_STATE_WITH_NULL && isXsiNamespacePresent() && i == 0) - return XSI_NIL_QNAME.getPrefix(); - else - return null; - } - - public String getNamespaceURI(int i) { - if (state == START_ELEMENT_STATE_WITH_NULL && isXsiNamespacePresent() && i == 0) - return XSI_NIL_QNAME.getNamespaceURI(); - else - return null; - } - - /** - * Test whether the xsi namespace is present - * - * @return - */ - private boolean isXsiNamespacePresent() { - return (namespaceContext.getNamespaceURI(XSI_NIL_QNAME.getPrefix()) != null); - } - - } - - protected class NameSpaceContext implements NamespaceContext { - private Map prefixToNamespaceMapping = new HashMap(); - - public NameSpaceContext() { - prefixToNamespaceMapping.put("xml", "http://www.w3.org/XML/1998/namespace"); - prefixToNamespaceMapping.put("xmlns", "http://www.w3.org/2000/xmlns/"); - prefixToNamespaceMapping.put("xsi", "http://www.w3.org/2001/XMLSchema-instance"); - } - - public String getNamespaceURI(String prefix) { - if (prefix == null) - throw new IllegalArgumentException("Prefix is null"); - - String ns = (String) prefixToNamespaceMapping.get(prefix); - if (ns != null) - return ns; - else - return null; - } - - public String getPrefix(String nsURI) { - if (nsURI == null) - throw new IllegalArgumentException("Namespace is null"); - for (Iterator i = prefixToNamespaceMapping.entrySet().iterator(); i.hasNext();) { - Map.Entry entry = (Map.Entry) i.next(); - if (entry.getValue().equals(nsURI)) { - return (String) entry.getKey(); - } - } - return null; - } - - public Iterator getPrefixes(String nsURI) { - List prefixList = new ArrayList(); - for (Iterator i = prefixToNamespaceMapping.entrySet().iterator(); i.hasNext();) { - Map.Entry entry = (Map.Entry) i.next(); - if (entry.getValue().equals(nsURI)) { - prefixList.add(entry.getKey()); - } - } - return prefixList.iterator(); - } - - public void registerMapping(String prefix, String nsURI) { - prefixToNamespaceMapping.put(prefix, nsURI); - } - - private int counter = 0; - - public synchronized QName createQName(String nsURI, String name) { - String prefix = nsURI != null ? (String) getPrefix(nsURI) : null; - if (prefix == null && nsURI != null && !nsURI.equals("")) - prefix = "p" + (counter++); - if (prefix == null) - prefix = ""; - if (nsURI != null) { - prefixToNamespaceMapping.put(prefix, nsURI); - declaredNamespaceMap.put(prefix, nsURI); - } - return new QName(nsURI, name, prefix); - } - - public void removeMapping(String prefix) { - prefixToNamespaceMapping.remove(prefix); - } - } - -} diff --git a/branches/sdo-1.1.1-incubating/impl/src/main/java/org/apache/tuscany/sdo/util/resource/RecordedEventXMLStreamReader.java b/branches/sdo-1.1.1-incubating/impl/src/main/java/org/apache/tuscany/sdo/util/resource/RecordedEventXMLStreamReader.java deleted file mode 100644 index a0da5d2609..0000000000 --- a/branches/sdo-1.1.1-incubating/impl/src/main/java/org/apache/tuscany/sdo/util/resource/RecordedEventXMLStreamReader.java +++ /dev/null @@ -1,868 +0,0 @@ -/** - * - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you under the Apache License, Version 2.0 (the - * "License"); you may not use this file except in compliance - * with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, - * software distributed under the License is distributed on an - * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY - * KIND, either express or implied. See the License for the - * specific language governing permissions and limitations - * under the License. - */ -package org.apache.tuscany.sdo.util.resource; - -import java.util.ArrayList; -import java.util.Collection; -import java.util.Iterator; -import java.util.List; -import java.util.NoSuchElementException; - -import javax.xml.XMLConstants; -import javax.xml.namespace.NamespaceContext; -import javax.xml.namespace.QName; -import javax.xml.stream.Location; -import javax.xml.stream.XMLStreamException; -import javax.xml.stream.XMLStreamReader; - -import org.eclipse.emf.ecore.xmi.XMLResource; -import org.xml.sax.Attributes; -import org.xml.sax.Locator; - -/** - * This special purpose XMLStreamReader is used to produce a StAX event stream corresponding to a list of events - * recorded earlier. The recorded events are generated by the inner class RecordedEventXMLStreamReader.Tag, - * which records the events in either of 2 ways: - * - * 1) in conjunction with class SDOXMLLoadImpl, it records events corresponding to the SAX events being - * handled by the SDOXMLLoadImpl when loading XML using SDOXMLResourceImpl. - * 2) when Tag.record() is called (see class ChangeSummaryStreamDeserializer), it walks through and records - * the StAX events produced by another XMLStreamReader. - * - * This class is used by the SDO StAX-based ChangeSummaryType-property loader, class - * ChangeSummaryStreamDeserializer, which is inoked by and uses (for loading deleted object XML fragments) - * the SAX-based loader class XMLResourceImpl. - */ -public abstract class RecordedEventXMLStreamReader implements XMLStreamReader { - - static private class Event { - int type; - - public NamespaceContext nameSpaceContext; - - Location location; - - protected final void initialize(XMLStreamReader reader) { - nameSpaceContext = reader.getNamespaceContext(); - location = reader.getLocation(); - } - - protected final void location(final Locator locator) { - location = new Location() { - public int getCharacterOffset() { - return -1; - } - - public int getColumnNumber() { - return locator.getColumnNumber(); - } - - public int getLineNumber() { - return locator.getLineNumber(); - } - - public String getPublicId() { - return locator.getPublicId(); - } - - public String getSystemId() { - return locator.getSystemId(); - } - }; - } - } - - static class ValueEvent extends Event { - final String value; - - protected ValueEvent(String v) { - value = v; - } - } - - static protected class Reference extends ValueEvent { - final String target; - - protected Reference(String name, String data) { - super(data); - target = name; - } - } - - static protected final class AttributeEvent extends Reference { - final QName name; - - final String nameSpace, prefix; - - int attributes; - - final boolean specified; - - protected AttributeEvent(XMLStreamReader reader) { - super(reader.getAttributeType(0), reader.getAttributeValue(0)); - attributes = reader.getAttributeCount(); - name = reader.getAttributeName(0); - nameSpace = reader.getAttributeNamespace(0); - prefix = reader.getAttributePrefix(0); - specified = reader.isAttributeSpecified(0); - } - } - - static protected final class NameSpaceEvent extends Reference { - int nameSpaces; - - protected NameSpaceEvent(XMLStreamReader reader) { - super(reader.getNamespacePrefix(0), reader.getNamespaceURI(0)); - nameSpaces = reader.getNamespaceCount(); - } - } - - static protected String prefix(String qName, String nameSpace) { - int delimiter = qName.indexOf(':'); - if (delimiter != -1) - return qName.substring(0, delimiter); - if (nameSpace.length() != 0) - return XMLConstants.DEFAULT_NS_PREFIX; - // if (nameSpaceContext.getNamespaceURI(XMLConstants.DEFAULT_NS_PREFIX) != null || xsdHelper.getGlobalProperty(null, name, element) == null) - return null; - } - - static class EndElement extends Event { - List nameSpaces/* = null */; - - public final QName name; - - public final String nameSpace; - - final String prefix; - - protected EndElement(XMLStreamReader reader) { - name = reader.getName(); - nameSpace = reader.getNamespaceURI(); - prefix = reader.getPrefix(); - int count = reader.getNamespaceCount(); - if (count == 0) - return; - nameSpaces = new ArrayList(count); - int index = 0; - do - Tag.bind(reader.getNamespacePrefix(index), reader.getNamespaceURI(index), nameSpaces); - while (++index != count); - } - - protected EndElement(String uri, String local, String p, Locator locator) { - if (p == null) { - name = new QName(uri, local, XMLConstants.DEFAULT_NS_PREFIX); - nameSpace = null; - } else { - name = new QName(uri, local, p); - nameSpace = uri; - } - prefix = p; - location(locator); - } - } - - static class NameSpace { - final String prefix, uri; - - protected NameSpace(String p, String nameSpace) { - prefix = p; - uri = nameSpace; - } - } - - static final class Attribute extends NameSpace { - final String type, value; - - final QName qName; - - boolean specified/* = false */; - - protected Attribute(String t, String v, QName name, String prefix, String nameSpace) { - super(prefix, nameSpace); - type = t; - value = v; - qName = name; - } - } - - static final class AttributeList /* implements Attributes */{// TODO exclude XMLConstants.XMLNS_ATTRIBUTE - final List attributes; - - protected AttributeList(int size) { - attributes = new ArrayList(size); - } - - /* - * @param uri Never null - */ - public final int getIndex(String uri, String localName) { - for (int index = getLength(); index != 0;) - if (getLocalName(--index).equals(localName) && uri.equals(getURI(index))) - return index; - return -1; - } - - public final int getLength() { - return attributes.size(); - } - - protected final Attribute attribute(int index) { - return (Attribute) attributes.get(index); - } - - public final String getLocalName(int index) { - return attribute(index).qName.getLocalPart(); - } - - public final String getType(int index) { - return attribute(index).type; - } - - /*public String getType(String uri, String localName) { - int index = getIndex(uri, localName); - return index == -1 ? null: getType(index); - } */ - - public final String getURI(int index) { - return attribute(index).uri; - } - - public final String getValue(int index) { - return attribute(index).value; - } - - /* - * @param uri Never null - */ - public final String getValue(String uri, String localName) { - int index = getIndex(uri, localName); - return index == -1 ? null : getValue(index); - } - } - - static protected class StartElement extends EndElement { - final AttributeList attributes; - - protected StartElement(XMLStreamReader reader) { - super(reader); - int count = reader.getAttributeCount(); - if (count == 0) - attributes = null; - else { - attributes = new AttributeList(count); - int index = 0; - do { - Attribute attribute = new Attribute(reader.getAttributeType(index), reader.getAttributeValue(index), reader - .getAttributeName(index), reader.getAttributePrefix(index), reader.getAttributeNamespace(index)); - attribute.specified = reader.isAttributeSpecified(index); - attributes.attributes.add(attribute); - } while (++index != count); - } - } - - protected StartElement(String nameSpace, String local, String prefix, Attributes attributeArray, Locator locator, List bindings, - final NamespaceContext context) { - super(nameSpace, local, prefix, locator); - nameSpaces = bindings; - nameSpaceContext = bindings == null || bindings.isEmpty() ? context : new NamespaceContext() { - public String getNamespaceURI(String prefix) { - for (int index = nameSpaces.size(); index != 0;) { - NameSpace binding = (NameSpace) nameSpaces.get(--index); - if (binding.prefix.equals(prefix)) - return binding.uri; - } - return context.getNamespaceURI(prefix); - } - - public String getPrefix(String namespaceURI) { - for (int index = nameSpaces.size(); index != 0;) { - NameSpace binding = (NameSpace) nameSpaces.get(--index); - if (binding.uri.equals(namespaceURI)) - return binding.prefix; - } - return context.getPrefix(namespaceURI); - } - - public Iterator getPrefixes(final String namespaceURI) { - final Iterator iterator = context.getPrefixes(namespaceURI); - return new Iterator() { - Iterator bindings = nameSpaces.iterator(); - - NameSpace binding/* = null */; - - protected final boolean prefix() { - while (bindings.hasNext()) { - binding = (NameSpace) bindings.next(); - if (binding.uri.equals(namespaceURI)) - return true; - } - bindings = null; - return false; - } - - public boolean hasNext() { - return bindings != null && prefix() || iterator.hasNext(); - } - - protected NameSpace nameSpace; - - public Object next() { - if (bindings == null || binding == null && !prefix()) - return iterator.next(); - nameSpace = binding; - binding = null; - return nameSpace.prefix; - } - - public void remove() { - if (bindings == null) - iterator.remove(); - else - nameSpaces.remove(nameSpace); - } - }; - } - }; - int count = attributeArray.getLength(); - if (count == 0) - attributes = null; - else { - attributes = new AttributeList(count); - int index = 0; - do { - QName name; - nameSpace = attributeArray.getURI(index); - local = attributeArray.getLocalName(index); - prefix = prefix(attributeArray.getQName(index), nameSpace); - if (prefix == null) { - name = new QName(nameSpace, local, XMLConstants.DEFAULT_NS_PREFIX); - nameSpace = null; - } else - name = new QName(nameSpace, local, prefix); - attributes.attributes.add(new Attribute(attributeArray.getType(index), attributeArray.getValue(index), name, prefix, nameSpace)); - } while (++index != count); - } - } - } - - static public class Tag extends StartElement { - public Tag(XMLStreamReader reader) { - super(reader); - initialize(reader); - } - - public List events/* = null */; // may be empty - - protected final void events() { - events = new ArrayList(); - } - - public Tag(String nameSpace, String local, String prefix, Attributes attributes, Locator locator, NamespaceContext context, List bindings) { - super(nameSpace, local, prefix, attributes, locator, bindings, context); - events(); - } - - static public void bind(String prefix, String nameSpace, Collection nameSpaces) { - nameSpaces.add(new NameSpace(prefix, nameSpace)); - } - - protected int nest/* = 0 */; - - public final void start(String nameSpace, String local, String qName, Attributes attributes, Locator locator, List bindings) { - Event event; - for (int index = events.size();/* true */;) { - if (index == 0) { - event = this; - break; - } - event = (Event) events.get(--index); - if (event.type != END_ELEMENT) - break; - siblings: for (int nest = 0;/* true */;) - switch (((Event) events.get(--index)).type) { - case START_ELEMENT: - if (nest == 0) - break siblings; - --nest; - break; - case END_ELEMENT: - ++nest; - } - } - Event start = new StartElement(nameSpace, local, prefix(qName, nameSpace), attributes, locator, bindings, event.nameSpaceContext); - start.type = START_ELEMENT; - events.add(start); - ++nest; - } - - protected final void add (Event event) - { - int index = events.size(); - event.nameSpaceContext = index == 0 ? nameSpaceContext : ((Event) events.get(--index)).nameSpaceContext; - events.add(event); - } - - public final void text(int type, String value, Locator locator) { - Event event = new ValueEvent(value); - event.type = type; - event.location(locator); - //int index = events.size(); - add(event); - } - - public final boolean end(String nameSpace, String local, String qName, Locator locator) { - Event end = new EndElement(nameSpace, local, prefix(qName, nameSpace), locator); - end.type = END_ELEMENT; - add(end); - if (nest == 0) - return true; - --nest; - return false; - } - - public final XMLStreamReader play(final XMLResource resource) { - return new RecordedEventXMLStreamReader(this) { - public void close() { - } - - public String getCharacterEncodingScheme() { - return null; // TODO - } - - public String getEncoding() { - return resource.getEncoding(); - } - - public Object getProperty(String property) { - return null; // TODO javax.xml.stream.notations & javax.xml.stream.entities for DTD - } - - public String getVersion() { - return resource.getXMLVersion(); - } - - public boolean isStandalone() { - return false; // TODO - } - - public boolean standaloneSet() { - return false; // TODO - } - }; - } - - protected final void add(Event event, int type, XMLStreamReader reader) { - event.type = type; - event.initialize(reader); - events.add(event); - } - - public final boolean record(XMLStreamReader reader) throws XMLStreamException { - events(); - for (int nest = 0; reader.hasNext();) { - Event event; - int type = reader.next(); - switch (type) { - case CHARACTERS: - case CDATA: - case COMMENT: - case SPACE: - case DTD: - event = new ValueEvent(reader.getText()); - break; - case ENTITY_REFERENCE: - event = new Reference(reader.getLocalName(), reader.getText()); - break; - case PROCESSING_INSTRUCTION: - event = new Reference(reader.getPITarget(), reader.getPIData()); - break; - case ATTRIBUTE: - event = new AttributeEvent(reader); - break; - case NAMESPACE: - event = new NameSpaceEvent(reader); - break; - case START_ELEMENT: - ++nest; - event = new StartElement(reader); - break; - case END_ELEMENT: - add(new EndElement(reader), type, reader); - if (nest == 0) - return false; - --nest; - continue; - case END_DOCUMENT: - return true; // report error? - default: // new type - event = new Event(); - } - add(event, type, reader); - } - return true; // report error? - } - - public final XMLStreamReader play(final XMLStreamReader reader) { - return new RecordedEventXMLStreamReader(this) { - public void close() throws XMLStreamException { - reader.close(); - } - - public String getCharacterEncodingScheme() { - return reader.getCharacterEncodingScheme(); - } - - public String getEncoding() { - return reader.getEncoding(); - } - - public Object getProperty(String property) { - return reader.getProperty(property); // TODO javax.xml.stream.notations & javax.xml.stream.entities for DTD - } - - public String getVersion() { - return reader.getVersion(); - } - - public boolean isStandalone() { - return reader.isStandalone(); - } - - public boolean standaloneSet() { - return reader.standaloneSet(); - } - }; - } - } - - Event event; - - final List events; - - final int size; - - protected RecordedEventXMLStreamReader(Tag tag) { - event = tag; - tag.type = START_ELEMENT; - events = tag.events; - size = events.size(); - } - - public int getAttributeCount() { - switch (getEventType()) { - case START_ELEMENT: - AttributeList attributes = ((StartElement) event).attributes; - return attributes == null ? 0 : attributes.getLength(); - case ATTRIBUTE: - return ((AttributeEvent) event).attributes; - } - throw new IllegalStateException("Neither START_ELEMENT nor ATTRIBUTE"); - } - - protected final AttributeList attributes() { - if (getEventType() == START_ELEMENT) - return ((StartElement) event).attributes; - throw new IllegalStateException("Neither START_ELEMENT nor ATTRIBUTE"); - } - - public String getAttributeLocalName(int index) { - return attributes().getLocalName(index); - } - - static Attribute attribute(AttributeList attributes, int index) { - return (Attribute) attributes.attributes.get(index); - } - - public QName getAttributeName(int index) { - return getEventType() == ATTRIBUTE ? ((AttributeEvent) event).name : attribute(attributes(), index).qName; - } - - public String getAttributeNamespace(int index) { - return getEventType() == ATTRIBUTE ? ((AttributeEvent) event).nameSpace : attributes().getURI(index); - } - - public String getAttributePrefix(int index) { - return getEventType() == ATTRIBUTE ? ((AttributeEvent) event).prefix : attribute(attributes(), index).prefix; - } - - public String getAttributeType(int index) { - return getEventType() == ATTRIBUTE ? ((Reference) event).target : attributes().getType(index); - } - - public String getAttributeValue(int index) { - return getEventType() == ATTRIBUTE ? ((ValueEvent) event).value : attributes().getValue(index); - } - - public boolean isAttributeSpecified(int index) { - if (getEventType() == ATTRIBUTE) - return ((AttributeEvent) event).specified; - AttributeList attributes = attributes(); - return attribute(attributes, index).specified; - } - - public String getAttributeValue(String nameSpace, String name) { - if (getEventType() == ATTRIBUTE) { - AttributeEvent attribute = (AttributeEvent) event; - return !attribute.name.getLocalPart().equals(name) ? null : nameSpace == null ? (attribute.nameSpace == null ? attribute.value : null) - : nameSpace.equals(attribute.nameSpace) ? attribute.value : null; - } - AttributeList attributes = attributes(); - return attributes == null ? null : attributes.getValue(nameSpace == null ? "" : nameSpace, name); - } - - protected StringBuffer buffer/* = null */; - - public String getElementText() { - if (buffer != null) - buffer.delete(0, buffer.length()); - for (;;) - switch (next()) { - case END_ELEMENT: - return buffer == null ? null : buffer.toString(); - default: - if (buffer == null) - buffer = new StringBuffer(); - buffer.append(getText()); - case PROCESSING_INSTRUCTION: - case COMMENT: - } - } - - public final int getEventType() { - return event.type; - } - - public String getLocalName() { - if (getEventType() == ENTITY_REFERENCE) - return ((Reference) event).target; - if (event instanceof EndElement) - return ((EndElement) event).name.getLocalPart(); - throw new IllegalStateException("Neither START_ELEMENT, END_ELEMENT nor ENTITY_REFERENCE"); - } - - public final Location getLocation() { - return event.location; - } - - public QName getName() { - if (hasName()) - return ((EndElement) event).name; - throw new IllegalStateException("Neither START_ELEMENT nor END_ELEMENT"); - } - - public final NamespaceContext getNamespaceContext() { - return event.nameSpaceContext; - } - - public int getNamespaceCount() { - if (getEventType() == NAMESPACE) - return ((NameSpaceEvent) event).nameSpaces; - if (!(event instanceof EndElement)) - throw new IllegalStateException("Neither START_ELEMENT, END_ELEMENT nor NAMESPACE"); - Collection nameSpaces = ((EndElement) event).nameSpaces; - return nameSpaces == null ? 0 : nameSpaces.size(); - } - - protected final NameSpace getNameSpace(int index) { - if (event instanceof EndElement) - return (NameSpace) ((EndElement) event).nameSpaces.get(index); - throw new IllegalStateException("Neither START_ELEMENT, END_ELEMENT nor NAMESPACE"); - } - - public String getNamespacePrefix(int index) { - return getEventType() == NAMESPACE ? ((Reference) event).target : getNameSpace(index).prefix; - } - - public final String getNamespaceURI() { - switch (getEventType()) { - case ATTRIBUTE: - return ((AttributeEvent) event).nameSpace; - case NAMESPACE: - return ((ValueEvent) event).value; - } - return event instanceof EndElement ? ((EndElement) event).nameSpace : null; - } - - public String getNamespaceURI(String prefix) { - return getNamespaceContext().getNamespaceURI(prefix); - } - - public String getNamespaceURI(int index) { - return getEventType() == NAMESPACE ? ((ValueEvent) event).value : getNameSpace(index).uri; - } - - public String getPIData() { - return getEventType() == PROCESSING_INSTRUCTION ? ((ValueEvent) event).value : null; - } - - public String getPITarget() { - return getEventType() == PROCESSING_INSTRUCTION ? ((Reference) event).target : null; - } - - public String getPrefix() { - switch (getEventType()) { - case ATTRIBUTE: - return ((AttributeEvent) event).prefix; - case NAMESPACE: - return ((Reference) event).target; - } - return event instanceof EndElement ? ((EndElement) event).prefix : null; - } - - public final String getText() { - if (hasText()) - return ((ValueEvent) event).value; - throw new IllegalStateException("Neither CHARACTERS, CDATA, COMMENT, SPACE, ENTITY_REFERENCE nor DTD"); - } - - public final char[] getTextCharacters() { - switch (getEventType()) { - case CHARACTERS: - case CDATA: - case COMMENT: - case SPACE: - return ((ValueEvent) event).value.toCharArray(); - } - throw new IllegalStateException("Neither CHARACTERS, CDATA, COMMENT nor SPACE"); - } - - public int getTextCharacters(int sourceStart, char[] target, int targetStart, int length) { - char[] source = getTextCharacters(); - if (sourceStart > source.length) - throw new IndexOutOfBoundsException("source start > source length"); - int sourceLen = source.length - sourceStart; - if (length > sourceLen) - length = sourceLen; - System.arraycopy(source, sourceStart, target, targetStart, length); - return sourceLen; - } - - public int getTextLength() { - return getTextCharacters().length; - } - - public int getTextStart() { - return 0; - } - - public final boolean hasName() { - return event instanceof EndElement; - } - - protected int next/* = 0 */; - - public final boolean hasNext() { - return next != size; - } - - public final boolean hasText() { - switch (getEventType()) { - case CHARACTERS: - case CDATA: - case COMMENT: - case SPACE: - case ENTITY_REFERENCE: - case DTD: - return true; - } - return false; - } - - public boolean isCharacters() { - switch (getEventType()) { - case CHARACTERS: - case CDATA: - case SPACE: - return true; - } - return false; - } - - public boolean isEndElement() { - return getEventType() == END_ELEMENT; - } - - public boolean isStartElement() { - return getEventType() == START_ELEMENT; - } - - protected final boolean areWhiteSpace() { - String text = getText(); - for (int index = text.length(); index != 0;) - if (!Character.isWhitespace(text.charAt(--index))) - return false; - return true; - } - - public boolean isWhiteSpace() { - switch (getEventType()) { - case CHARACTERS: - case CDATA: - return areWhiteSpace(); - case SPACE: - return true; - } - return false; - } - - public final int next() { - if (!hasNext()) - throw new NoSuchElementException(); - event = (Event) events.get(next++); - return event.type; - } - - protected final void throwXMLStreamException(String message) throws XMLStreamException { - throw new XMLStreamException(message, getLocation()); - } - - public int nextTag() throws XMLStreamException { - for (;;) { - int type = next(); - switch (type) { - case CHARACTERS: - case CDATA: - if (!areWhiteSpace()) - break; - case SPACE: - case PROCESSING_INSTRUCTION: - case COMMENT: - continue; - case START_ELEMENT: - case END_ELEMENT: - return type; - } - throwXMLStreamException("expected start or end tag"); - } - } - - public void require(int type, String nameSpace, String name) throws XMLStreamException { - if (getEventType() != type) - throwXMLStreamException("type not matched"); - if (nameSpace != null && !nameSpace.equals(getNamespaceURI())) - throwXMLStreamException("Name Space not matched"); - if (name != null - && !(getEventType() == ATTRIBUTE ? name.equals(((AttributeEvent) event).name.getLocalPart()) : event instanceof EndElement - && name.equals(((EndElement) event).name.getLocalPart()))) - throwXMLStreamException("name not matched"); - } -} diff --git a/branches/sdo-1.1.1-incubating/impl/src/main/java/org/apache/tuscany/sdo/util/resource/SDODeserializer.java b/branches/sdo-1.1.1-incubating/impl/src/main/java/org/apache/tuscany/sdo/util/resource/SDODeserializer.java deleted file mode 100644 index 01c043b074..0000000000 --- a/branches/sdo-1.1.1-incubating/impl/src/main/java/org/apache/tuscany/sdo/util/resource/SDODeserializer.java +++ /dev/null @@ -1,340 +0,0 @@ -/** - * - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you under the Apache License, Version 2.0 (the - * "License"); you may not use this file except in compliance - * with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, - * software distributed under the License is distributed on an - * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY - * KIND, either express or implied. See the License for the - * specific language governing permissions and limitations - * under the License. - */ -package org.apache.tuscany.sdo.util.resource; - -import java.util.HashMap; -import java.util.Iterator; -import java.util.List; -import java.util.Map; - -import javax.xml.namespace.NamespaceContext; -import javax.xml.stream.XMLStreamException; -import javax.xml.stream.XMLStreamReader; - -import org.apache.tuscany.sdo.helper.HelperContextImpl; -import org.apache.tuscany.sdo.helper.TypeHelperImpl; -import org.apache.tuscany.sdo.helper.XMLStreamHelper; -import org.apache.tuscany.sdo.helper.XMLStreamHelperImpl; -import org.apache.tuscany.sdo.util.StreamDeserializer; -import org.eclipse.emf.common.notify.Notification; -import org.eclipse.emf.common.util.EList; -import org.eclipse.emf.common.util.TreeIterator; -import org.eclipse.emf.ecore.EClass; -import org.eclipse.emf.ecore.EObject; -import org.eclipse.emf.ecore.EReference; -import org.eclipse.emf.ecore.EStructuralFeature; -import org.eclipse.emf.ecore.resource.Resource; -import org.eclipse.emf.ecore.util.EcoreUtil; -import org.eclipse.emf.ecore.util.ExtendedMetaData; -import org.eclipse.emf.ecore.xmi.XMLResource; - -import commonj.sdo.Property; -import commonj.sdo.Type; -import commonj.sdo.helper.HelperContext; -import commonj.sdo.helper.TypeHelper; -import commonj.sdo.helper.XSDHelper; - -/** - * SDO StAX Deserializer. The instance isn't thread-safe, however it's safe to use the instance any times on the same thread. - */ -public class SDODeserializer extends StreamDeserializer { - private HelperContext hc; - protected final void initialize(XMLStreamReader stream, HelperContext scope, Object rootObject) { - hc = scope; - reader = stream; - xsdHelper = scope.getXSDHelper(); - typeHelper = scope.getTypeHelper(); - extendedMetaData = ((TypeHelperImpl) typeHelper).getExtendedMetaData(); - deserializer = (XMLStreamHelperImpl)((HelperContextImpl)scope).getXMLStreamHelper();; - root = (EObject) rootObject; - } - - XSDHelper xsdHelper; - - protected Property propertyInSequence; - - Property getProperty(Object type) { - EClass c = (EClass) type; - EStructuralFeature containment = (EStructuralFeature) propertyInSequence; - Object containing = extendedMetaData.getAffiliation(c, containment); - // if (containing == null) report error? - if (containment == containing && containment.isDerived()) { - containing = extendedMetaData.getMixedFeature(c); - if (containing == null) { - containing = extendedMetaData.getGroup(containment); - if (containing == null) - return propertyInSequence; - } - } - return (Property) containing; - } - - protected final Property getProperty(Type type, String nameSpace, String name, boolean element) { - for (Iterator iterator = type.getProperties().iterator(); iterator.hasNext();) { - propertyInSequence = (Property) iterator.next(); - if (name.equals(xsdHelper.getLocalName(propertyInSequence)) - && nameSpace.equals(xsdHelper.getNamespaceURI(propertyInSequence))) - return getProperty(type); - } - propertyInSequence = xsdHelper.getGlobalProperty(nameSpace, name, element); - // if (propertyInSequence == null) report error? - return getProperty(type); - } - - protected final Property getProperty(Type type, String name) { - propertyInSequence = type.getProperty(name); - // if (propertyInSequence == null) report error? - return getProperty(type); - } - - protected final Property getProperty(String nameSpace, String name, Type type) { - return null == nameSpace ? getProperty(type, name) : getProperty(type, nameSpace, name, true); - } - - XMLStreamHelperImpl deserializer; - - TypeHelper typeHelper; - - protected Object load(XMLStreamReader reader, Map options) throws XMLStreamException { - return deserializer.loadObject(reader, options); - } - - static Object value(Type type, XMLStreamReader reader) throws XMLStreamException { - return value(type, reader.getElementText(), reader.getNamespaceContext()); - } - - protected final Object value(Type type) throws XMLStreamException { - return "true".equals(reader.getAttributeValue(ExtendedMetaData.XSI_URI, XMLResource.NIL)) ? null : type.isDataType() ? value(type, reader) - : load(reader, null); - } - - Map options/* = null */; - - protected final Object value(XMLStreamReader reader) throws XMLStreamException { - Type propertyType = propertyInSequence.getType(); - if (propertyType.isDataType()) - return value(propertyType, reader); - if (options == null) - options = new HashMap(); - options.put(XMLStreamHelper.OPTION_DEFAULT_ROOT_TYPE, propertyType); - return load(reader, options); - } - - private boolean match(String name, String space, EStructuralFeature feature) { - return name.equals(extendedMetaData.getName(feature)) && space.equals(extendedMetaData.getNamespace(feature)); - } - - EObject step(String ref, int step, int index, EObject container, String prefix, NamespaceContext nameSpaces) { - String name = ref.substring(step, index); - Iterator iterator = container.eContents().iterator(); - if (iterator.hasNext()) - if (prefix == null) - do { - container = (EObject) iterator.next(); - // if( container == null )continue; - if (name.equals(extendedMetaData.getName(container.eContainmentFeature()))) - return container; - } while (iterator.hasNext()); - else { - prefix = nameSpaces.getNamespaceURI(prefix); - do { - container = (EObject) iterator.next(); - // if( container == null )continue; - if (match(name, prefix, container.eContainmentFeature())) - return container; - } while (iterator.hasNext()); - } - return null; - } - - EObject root; - - ExtendedMetaData extendedMetaData; - - protected final EObject referent(String ref, NamespaceContext nameSpaces) { - int length = ref.length(); - switch (length) { - case 0: - return null; - case 1: // # - return root; - } - EObject container; - int step; - if (ref.charAt(1) == '/') { - container = EcoreUtil.getRootContainer(root); - if (length == 2) - return container; - if (ref.charAt(2) == '/') { - for (Iterator iterator = container.eContents().iterator();/* true */;) { - if (!iterator.hasNext()) - return null; - container = (EObject) iterator.next(); - // if( container != null ) - break; - } - /*#// is invalid - if (length == 3) - return container; */ - step = 3; - } else - step = 2; - } else { - container = root; - step = 1; - } - String prefix = null; - for (int index = step; ++index != length;) { - switch (ref.charAt(index)) { - case '/': - container = step(ref, step, index, container, prefix, nameSpaces); - if (container == null) - return null; - break; - case ':': - prefix = ref.substring(step, index); - if (++index == length) - return container; // report error? - step = index; - default: - continue; - case '[': - name = ref.substring(step, index); - step = ref.indexOf(']', index + 2); - if (step == -1) - return container; // report error? - index = Integer.parseInt(ref.substring(++index, step)); - EStructuralFeature feature; - Iterator iterator = container.eContents().iterator(); - if (prefix == null) - do { - if (!iterator.hasNext()) - return null; - EObject content = (EObject) iterator.next(); - // if( content == null )continue; - feature = content.eContainmentFeature(); - } while (!name.equals(extendedMetaData.getName(feature))); - else { - prefix = nameSpaces.getNamespaceURI(prefix); - do { - if (!iterator.hasNext()) - return null; - EObject content = (EObject) iterator.next(); - // if( content == null )continue; - feature = content.eContainmentFeature(); - } while (!match(name, prefix, feature)); - } - Object value = container.eGet(feature); - if (value instanceof List) { - List values = (List) value; - if (index > values.size()) - return null; - container = (EObject) values.get(--index); - } else if (index == 1) - container = (EObject) value; - else - return null; - index = ref.indexOf('/', ++step); - if (index == -1) - return container; - } - if (++index == length) - return container; - step = index; - prefix = null; - } - return step(ref, step, length, container, prefix, nameSpaces); - } - - static protected class Ref implements EObject // FeatureMapEntry value - { - protected Ref(String path, NamespaceContext context) { - ref = path; - nameSpaces = context; - } - - final String ref; - - final NamespaceContext nameSpaces; - - public TreeIterator eAllContents() { - return null; - } - public EClass eClass() { - return null; - } - public EObject eContainer() { - return null; - } - public EStructuralFeature eContainingFeature() { - return null; - } - public EReference eContainmentFeature() { - return null; - } - public EList eContents() { - return null; - } - public EList eCrossReferences() { - return null; - } - public Object eGet(EStructuralFeature feature) { - return null; - } - public Object eGet(EStructuralFeature feature, boolean resolve) { - return null; - } - public boolean eIsProxy() { - return false; - } - public boolean eIsSet(EStructuralFeature feature) { - return false; - } - public Resource eResource() { - return null; - } - public void eSet(EStructuralFeature feature, Object newValue) { - } - public void eUnset(EStructuralFeature feature) { - } - public EList eAdapters() { - return null; - } - public boolean eDeliver() { - return false; - } - public void eNotify(Notification notification) { - } - public void eSetDeliver(boolean deliver) { - } - } - - protected final EObject referent(Ref path) { - return referent(path.ref, path.nameSpaces); - } - - protected final Type typeXSI() { - return typedXSI() ? typeHelper.getType(nameSpace, name) : null; - } - - protected final Type globalElementType(String nameSpace, String name) { - return xsdHelper.getGlobalProperty(nameSpace, name, true).getType(); - } -} diff --git a/branches/sdo-1.1.1-incubating/impl/src/main/java/org/apache/tuscany/sdo/util/resource/SDOURIConverterImpl.java b/branches/sdo-1.1.1-incubating/impl/src/main/java/org/apache/tuscany/sdo/util/resource/SDOURIConverterImpl.java deleted file mode 100644 index 6110cd2305..0000000000 --- a/branches/sdo-1.1.1-incubating/impl/src/main/java/org/apache/tuscany/sdo/util/resource/SDOURIConverterImpl.java +++ /dev/null @@ -1,60 +0,0 @@ -/** - * - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you under the Apache License, Version 2.0 (the - * "License"); you may not use this file except in compliance - * with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, - * software distributed under the License is distributed on an - * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY - * KIND, either express or implied. See the License for the - * specific language governing permissions and limitations - * under the License. - */ -package org.apache.tuscany.sdo.util.resource; - -import java.io.IOException; -import java.io.InputStream; -import java.io.OutputStream; - -import org.eclipse.emf.common.util.URI; -import org.eclipse.emf.ecore.resource.Resource; -import org.eclipse.emf.ecore.resource.impl.URIConverterImpl; - -public class SDOURIConverterImpl extends URIConverterImpl { - /** - * Disable going out to the wire. - */ - protected InputStream createURLInputStream(URI uri) throws IOException { - String scheme = uri.scheme(); - if ("http".equals(scheme) || "https".equals(scheme)) { - // TUSCANY 2240: We need to compromise if the remote loading is allowed or not - String ext = uri.fileExtension(); - if (!"wsdl".equalsIgnoreCase(ext) && !"xsd".equalsIgnoreCase(ext)) { - throw new Resource.IOWrappedException(new RuntimeException("Reading remote URL not supported: " + uri)); - } - } - return super.createURLInputStream(uri); - } - - /** - * Disable going out to the wire. - */ - protected OutputStream createURLOutputStream(URI uri) throws IOException { - String scheme = uri.scheme(); - if ("http".equals(scheme) || "https".equals(scheme)) { - // TUSCANY 2240: We need to compromise if the remote loading is allowed or not - String ext = uri.fileExtension(); - if (!"wsdl".equalsIgnoreCase(ext) && !"xsd".equalsIgnoreCase(ext)) { - throw new Resource.IOWrappedException(new RuntimeException("Reading remote URL not supported: " + uri)); - } - } - return super.createURLOutputStream(uri); - } -} diff --git a/branches/sdo-1.1.1-incubating/impl/src/main/java/org/apache/tuscany/sdo/util/resource/SDOXMLResourceFactoryImpl.java b/branches/sdo-1.1.1-incubating/impl/src/main/java/org/apache/tuscany/sdo/util/resource/SDOXMLResourceFactoryImpl.java deleted file mode 100644 index c8189f9766..0000000000 --- a/branches/sdo-1.1.1-incubating/impl/src/main/java/org/apache/tuscany/sdo/util/resource/SDOXMLResourceFactoryImpl.java +++ /dev/null @@ -1,47 +0,0 @@ -/** - * - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you under the Apache License, Version 2.0 (the - * "License"); you may not use this file except in compliance - * with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, - * software distributed under the License is distributed on an - * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY - * KIND, either express or implied. See the License for the - * specific language governing permissions and limitations - * under the License. - */ -package org.apache.tuscany.sdo.util.resource; - - -import org.eclipse.emf.common.util.URI; -import org.eclipse.emf.ecore.resource.Resource; -import org.eclipse.emf.ecore.resource.impl.ResourceFactoryImpl; - -/** - * This class creates SDOXMLResourceImpl objects. - */ -public class SDOXMLResourceFactoryImpl extends ResourceFactoryImpl -{ - /** - * Constructor for SDOXMLResourceFactoryImpl. - */ - public SDOXMLResourceFactoryImpl() - { - super(); - } - - /** - * Creates an XMLResourceImpl and returns it. - */ - public Resource createResource(URI uri) - { - return new SDOXMLResourceImpl(uri); - } -} diff --git a/branches/sdo-1.1.1-incubating/impl/src/main/java/org/apache/tuscany/sdo/util/resource/SDOXMLResourceImpl.java b/branches/sdo-1.1.1-incubating/impl/src/main/java/org/apache/tuscany/sdo/util/resource/SDOXMLResourceImpl.java deleted file mode 100644 index 172afb73db..0000000000 --- a/branches/sdo-1.1.1-incubating/impl/src/main/java/org/apache/tuscany/sdo/util/resource/SDOXMLResourceImpl.java +++ /dev/null @@ -1,1009 +0,0 @@ -/** - * - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you under the Apache License, Version 2.0 (the - * "License"); you may not use this file except in compliance - * with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, - * software distributed under the License is distributed on an - * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY - * KIND, either express or implied. See the License for the - * specific language governing permissions and limitations - * under the License. - */ -package org.apache.tuscany.sdo.util.resource; - -import java.io.IOException; -import java.io.InputStream; -import java.io.Writer; -import java.net.URL; -import java.security.AccessController; -import java.security.PrivilegedActionException; -import java.security.PrivilegedExceptionAction; -import java.util.ArrayList; -import java.util.Collection; -import java.util.HashMap; -import java.util.Iterator; -import java.util.List; -import java.util.Map; -import java.util.Set; - -import javax.xml.XMLConstants; -import javax.xml.namespace.NamespaceContext; -import javax.xml.namespace.QName; -import javax.xml.stream.XMLOutputFactory; -import javax.xml.stream.XMLStreamConstants; -import javax.xml.stream.XMLStreamException; -import javax.xml.stream.XMLStreamReader; -import javax.xml.stream.XMLStreamWriter; - -import org.apache.tuscany.sdo.SDOExtendedMetaData; -import org.apache.tuscany.sdo.helper.HelperContextImpl; -import org.apache.tuscany.sdo.helper.SDOExtendedMetaDataImpl; -import org.apache.tuscany.sdo.helper.XMLStreamHelper; -import org.apache.tuscany.sdo.helper.XSDHelperImpl; -import org.apache.tuscany.sdo.api.SDOHelper; -import org.apache.tuscany.sdo.api.SDOUtil; -import org.apache.tuscany.sdo.util.StAX2SAXAdapter; -import org.apache.tuscany.sdo.model.internal.InternalFactory; -import org.apache.tuscany.sdo.model.internal.impl.InternalFactoryImpl; -import org.eclipse.emf.common.util.EMap; -import org.eclipse.emf.common.util.URI; -import org.eclipse.emf.ecore.EClassifier; -import org.eclipse.emf.ecore.EDataType; -import org.eclipse.emf.ecore.EFactory; -import org.eclipse.emf.ecore.EObject; -import org.eclipse.emf.ecore.EPackage; -import org.eclipse.emf.ecore.EReference; -import org.eclipse.emf.ecore.EStructuralFeature; -import org.eclipse.emf.ecore.InternalEObject; -import org.eclipse.emf.ecore.resource.Resource; -import org.eclipse.emf.ecore.util.ExtendedMetaData; -import org.eclipse.emf.ecore.util.FeatureMap; -import org.eclipse.emf.ecore.xmi.XMIException; -import org.eclipse.emf.ecore.xmi.XMLHelper; -import org.eclipse.emf.ecore.xmi.XMLLoad; -import org.eclipse.emf.ecore.xmi.XMLOptions; -import org.eclipse.emf.ecore.xmi.XMLResource; -import org.eclipse.emf.ecore.xmi.XMLSave; -import org.eclipse.emf.ecore.xmi.impl.SAXXMLHandler; -import org.eclipse.emf.ecore.xmi.impl.XMLHelperImpl; -import org.eclipse.emf.ecore.xmi.impl.XMLLoadImpl; -import org.eclipse.emf.ecore.xmi.impl.XMLOptionsImpl; -import org.eclipse.emf.ecore.xmi.impl.XMLResourceImpl; -import org.eclipse.emf.ecore.xmi.impl.XMLSaveImpl; -import org.eclipse.emf.ecore.xmi.impl.XMLString; -import org.eclipse.emf.ecore.xmi.util.DefaultEcoreBuilder; -import org.eclipse.emf.ecore.xml.type.XMLTypePackage; -import org.w3c.dom.Element; -import org.w3c.dom.Node; -import org.xml.sax.Attributes; -import org.xml.sax.ContentHandler; -import org.xml.sax.InputSource; -import org.xml.sax.SAXException; -import org.xml.sax.helpers.DefaultHandler; - -import commonj.sdo.ChangeSummary; -import commonj.sdo.DataObject; -import commonj.sdo.helper.XSDHelper; - -public class SDOXMLResourceImpl extends XMLResourceImpl { - private XMLStreamReader reader; - - /** - * [rfeng] Override the XMLHelperImpl to replace the NamespaceSupport so that it's aware of the NamespaceContext from the XMLStreamReader - */ - public static class SDOXMLHelperImpl extends XMLHelperImpl { - - /** - * EMF XMLResource (SAX) may be used to load from only a *portion* of a StAX stream - * which may reference (global) namespaces bound outside the (local) portion. - * This class extends EMF's NamespaceSupport to make {@link #getPrefix} and {@link #getURI} - * query these global binding(s) after first checking the local context(s). - */ - private static class StreamNamespaceSupport extends XMLHelperImpl.NamespaceSupport { - protected NamespaceContext nameSpaceContext; - - public String getPrefix(String uri) { - String prefix = super.getPrefix(uri); - if (prefix == null) - try { - prefix = nameSpaceContext.getPrefix(uri); - } catch (Exception e) { - // HACK: - // java.lang.UnsupportedOperationException - // at org.apache.axiom.om.impl.llom.OMStAXWrapper.getNamespaceContext(OMStAXWrapper.java:984) - } - return prefix; - } - - public String getURI(String prefix) { - String uri = super.getURI(prefix); - if (uri == null) - try { - uri = nameSpaceContext.getNamespaceURI(prefix); - } catch (Exception e) { - // HACK: - // java.lang.UnsupportedOperationException - // at org.apache.axiom.om.impl.llom.OMStAXWrapper.getNamespaceContext(OMStAXWrapper.java:984) - } - return uri; - } - - public StreamNamespaceSupport(XMLStreamReader reader) { - super(); - nameSpaceContext = reader.getNamespaceContext(); - } - - } - - public SDOXMLHelperImpl(XMLResource resource, XMLStreamReader reader) { - this(reader); - setResource(resource); - } - - public SDOXMLHelperImpl(XMLStreamReader reader) { - super(); - if (reader instanceof XMLDocumentStreamReader) // Only use StreamNamespaceSupport when loading from a *portion* of a StAX stream - namespaceSupport = new StreamNamespaceSupport(reader); - } - - private class NameSpaceContext implements NamespaceContext { // TODO Helper# pushContext() & popContext - public String getNamespaceURI(String prefix) { - return SDOXMLHelperImpl.this.getNamespaceURI(prefix); - } - - public String getPrefix(String namespaceURI) { - return SDOXMLHelperImpl.this.getPrefix(namespaceURI); - } - - public Iterator getPrefixes(String namespaceURI) { - return ((Collection) urisToPrefixes.get(namespaceURI)).iterator(); - } - } - - NameSpaceContext nameSpaceContext/* = null */; - - protected final NameSpaceContext nameSpaceContext() { - if (nameSpaceContext == null) - nameSpaceContext = new NameSpaceContext(); - return nameSpaceContext; - } - - private String xsdQName2SDOURI(String xsdQName) { - org.eclipse.emf.ecore.xml.type.internal.QName qname = new org.eclipse.emf.ecore.xml.type.internal.QName(xsdQName); - try { - updateQNameURI(qname); - } - catch (IllegalArgumentException e) { - return xsdQName; - } - String uri = qname.getNamespaceURI(); - if (uri != "") - return uri + "#" + qname.getLocalPart(); - else - return qname.getLocalPart(); - } - - private String getPrefixFromNamespaceURI(String nsURI) { - String nsPrefix = null; - - List prefixes = (List)urisToPrefixes.get(nsURI); - if (prefixes != null) - { - for (Iterator i = prefixes.iterator(); i.hasNext(); ) - { - nsPrefix = (String)i.next(); - if (nsPrefix.length() >= 0) { - // When the length is 0, it's the default namespace - return nsPrefix; - } - } - } - - nsPrefix = namespaceSupport.getPrefix(nsURI); - if (nsPrefix != null) - { - return nsPrefix; - } - - // Demand create a new package - EPackage ePackage = extendedMetaData.demandPackage(nsURI); - - if (ExtendedMetaData.XSI_URI.equals(nsURI)) { - ePackage.setNsPrefix(ExtendedMetaData.XSI_PREFIX); - } - - // getPrefix() will make sure all mapping tables are configured correctly - nsPrefix = getPrefix(ePackage, true); - - return nsPrefix; - } - - private String SDOURI2XsdQName(String sdoURI) { - String namespace = null; - String localPart = sdoURI; - - int index = sdoURI.indexOf('#'); - if (index == -1) { - return localPart; - } - else { - namespace = sdoURI.substring(0, index); - localPart = sdoURI.substring(index+1); - - String prefix = getPrefixFromNamespaceURI(namespace); - - if (prefix.length() == 0) - return localPart; - - return prefix + ":" + localPart; - } - } - - protected Object createFromString(EFactory eFactory, EDataType eDataType, String value) { - Object obj = super.createFromString(eFactory, eDataType, value); - if (eDataType == ((InternalFactoryImpl)InternalFactory.INSTANCE).getQName()) { - if (extendedMetaData != null) { - if (obj instanceof List) { - List list = (List)obj; - for (int i=0; i<list.size(); i++) { - String xsdQName = (String)list.get(i); - list.set(i, xsdQName2SDOURI(xsdQName)); - } - } - else { - obj = xsdQName2SDOURI((String)obj); - } - } - } - return obj; - } - - public String convertToString(EFactory factory, EDataType eDataType, Object value) { - if (eDataType == ((InternalFactoryImpl)InternalFactory.INSTANCE).getQName()) { - if (extendedMetaData != null) { - if (value instanceof List) { - List list = (List)value; - for (int i=0; i<list.size(); i++) { - String sdoURI = (String)list.get(i); - list.set(i, SDOURI2XsdQName(sdoURI)); - } - } - else { - value = SDOURI2XsdQName((String)value); - } - } - } - - return super.convertToString(factory, eDataType, value); - } - } - - public EObject root; - - /** - * An EMF XMLLoad that loads a model from a StAX stream - */ - public class SDOXMLLoadImpl extends XMLLoadImpl { - public SDOXMLLoadImpl(XMLHelper helper) { - super(helper); - } - - final class XmlHandler extends SAXXMLHandler { - XmlHandler() { - super(resource, SDOXMLLoadImpl.this.helper, options); - } - - protected void handleTopLocations(String prefix, String name) { - processSchemaLocations(prefix, name); - if (!processAnyXML) - return; - String nameSpace = helper.getURI(prefix); - if (extendedMetaData.getPackage(nameSpace) == null) - if (options.get(XMLStreamHelper.OPTION_DEFAULT_ROOT_TYPE) == null) - extendedMetaData.demandFeature(nameSpace, name, true); - else - extendedMetaData.demandPackage(nameSpace); - } - - EClassifier defaultRootType(String prefix, String name, boolean isElement, EObject peekObject, String value) { - Object type = options.get(XMLStreamHelper.OPTION_DEFAULT_ROOT_TYPE); - if (type != null) - return (EClassifier) type; - super.handleUnknownFeature(prefix, name, isElement, peekObject, value); - return null; - } - - protected void handleUnknownFeature(String prefix, String name, boolean isElement, EObject peekObject, String value) { - if (objects.size() == 1) { - EFactory eFactory; - EClassifier type; - String typeQName = getXSIType(); - if (typeQName == null) { - type = defaultRootType(prefix, name, isElement, peekObject, value); - if (type == null) - return; - eFactory = type.getEPackage().getEFactoryInstance(); - } else {// createObjectFromTypeName - String typeName = null; - String xsiPrefix = XMLConstants.DEFAULT_NS_PREFIX; - int index = typeQName.indexOf(":"); - if (index > 0) { - xsiPrefix = typeQName.substring(0, index); - typeName = typeQName.substring(index + 1); - } else - typeName = typeQName; - eFactory = getFactoryForPrefix(xsiPrefix); - if (eFactory != null) - type = helper.getType(eFactory, typeName); - else if (XMLConstants.DEFAULT_NS_PREFIX.equals(xsiPrefix) && helper.getURI(xsiPrefix) == null) { - EPackage ePackage = handleMissingPackage(null); - if (ePackage == null) { - type = defaultRootType(prefix, name, isElement, peekObject, value); - if (type == null) - return; - eFactory = type.getEPackage().getEFactoryInstance(); - } else - type = helper.getType(eFactory = ePackage.getEFactoryInstance(), typeName); - } else { - type = defaultRootType(prefix, name, isElement, peekObject, value); - if (type == null) - return; - eFactory = type.getEPackage().getEFactoryInstance(); - } - } - root = helper.createObject(eFactory, type); - if (root != null) { - if (disableNotify) - root.eSetDeliver(false); - handleObjectAttribs(root); - processObject(root); - return; - } - } - super.handleUnknownFeature(prefix, name, isElement, peekObject, value); - } - - protected RecordedEventXMLStreamReader.Tag tag/* =null */; - - protected List nameSpaces/* = null */; - - public void startPrefixMapping(String prefix, String uri) { - if (nameSpaces == null) - nameSpaces = new ArrayList(); - RecordedEventXMLStreamReader.Tag.bind(prefix, uri, nameSpaces); - if (tag == null) - super.startPrefixMapping(prefix, uri); - } - - public void startElement(String uri, String localName, String qName, Attributes attributes) throws SAXException { - if (tag != null) { - tag.start(uri, localName, qName, attributes, locator, nameSpaces); - nameSpaces = null; - return; - } - EObject peekObject = objects.peekEObject(); - if (peekObject != null) { - String prefix = helper.getPrefix(uri.length() == 0 ? null : uri); - EStructuralFeature feature = getFeature(peekObject, prefix == null ? XMLConstants.DEFAULT_NS_PREFIX : prefix, localName, true); - if (feature != null && feature.getEType() == ChangeSummaryStreamSerializer.ChangeSummary_TYPE) { - tag = new RecordedEventXMLStreamReader.Tag(uri, localName, prefix, attributes, locator, ((SDOXMLHelperImpl) helper).nameSpaceContext(), - nameSpaces); - nameSpaces = null; - return; - } - } - if (nameSpaces != null) - nameSpaces.clear(); - super.startElement(uri, localName, qName, attributes); - } - - public void characters(char[] ch, int start, int length) { - if (tag == null) - super.characters(ch, start, length); - else - tag.text(XMLStreamConstants.CHARACTERS, new String(ch, start, length), locator); - } - - protected Collection changeSummaryDeserializers/* = null */; - - public void endElement(String uri, String localName, String qName) { - if (tag == null) - super.endElement(uri, localName, qName); - else if (tag.end(uri, localName, qName, locator)) { - if (changeSummaryDeserializers == null) - changeSummaryDeserializers = new ArrayList(); - ChangeSummaryStreamDeserializer changeSummaryDeserializer = new ChangeSummaryStreamDeserializer(); - try { - changeSummaryDeserializer.begin( - (DataObject) objects.peekEObject(), - new HelperContextImpl(extendedMetaData, false), - tag.play(xmlResource)); - changeSummaryDeserializers.add(changeSummaryDeserializer); - } catch (XMLStreamException e) { - xmlResource.getErrors().add(new XMIException(e)); - } - tag = null; - } - } - - public void endDocument() { - super.endDocument(); - if (changeSummaryDeserializers != null) - for (Iterator iterator = changeSummaryDeserializers.iterator(); iterator.hasNext();) - try { - ((ChangeSummaryStreamDeserializer) iterator.next()).end(); - // iterator.remove(); - } catch (XMLStreamException e) { - xmlResource.getErrors().add(new XMIException(e)); - } - } - } - - protected DefaultHandler makeDefaultHandler() { - return new XmlHandler(); - } - - /** - * Start parsing an XMLReader with the default handler. - */ - public void load(XMLResource resource, final XMLStreamReader reader, Map options) throws IOException { - this.resource = resource; - Map mergedOptions = new HashMap(defaultLoadOptions); - if (options != null) - mergedOptions.putAll(options); - - this.options = mergedOptions; - - final ContentHandler handler = makeDefaultHandler(); - - if (errors != null) { - errors.clear(); - } - - final StAX2SAXAdapter adapter = new StAX2SAXAdapter(true); - // Parse the XMLReader and generate SAX events - try { - AccessController.doPrivileged(new PrivilegedExceptionAction() { - public Object run() throws XMLStreamException, SAXException { - adapter.parse(reader, handler); - return null; - } - }); - } catch (PrivilegedActionException e) { - throw new Resource.IOWrappedException(e.getException()); - } - - helper = null; - if (!resource.getErrors().isEmpty()) { - Exception error = (Exception) resource.getErrors().get(0); - if (error instanceof XMIException) { - XMIException exception = (XMIException) error; - if (exception.getWrappedException() != null) { - throw new Resource.IOWrappedException(exception.getWrappedException()); - } - } - throw new Resource.IOWrappedException(error); - } - } - } - - public SDOXMLResourceImpl(URI uri) { - super(uri); - } - - protected XMLHelper createXMLHelper() { - return new SDOXMLHelperImpl(this, reader); - } - - /** - * @see org.eclipse.emf.ecore.xmi.impl.XMLResourceImpl#createXMLLoad() - */ - protected XMLLoad createXMLLoad() { - return new SDOXMLLoadImpl(createXMLHelper()); - } - - static protected int loadLaxForm; - static { - int defaultLaxForm = 0x4242; - String property = System.getProperty("XML.load.form.lax"); - if (property == null) - loadLaxForm = defaultLaxForm; - else - try { - loadLaxForm = Integer.decode(property).intValue(); - } catch (NumberFormatException eNumberFormat) { - loadLaxForm = defaultLaxForm; - } - } - - public void doLoad(InputSource inputSource, Map options) throws IOException { - if (options != null) { - /* - * Tolerates element/attribute malform unless indicated not to - */ - Object option = options.get(SDOHelper.XMLOptions.XML_LOAD_LAX_FORM); - int tolerance = option == null ? loadLaxForm : ((Number) option).intValue(); - option = options.get(OPTION_EXTENDED_META_DATA); - if (tolerance == 0) { - if (option instanceof SDOExtendedMetaData) - ((SDOExtendedMetaData) option).setFeatureNamespaceMatchingLax(false); - } else if (option instanceof SDOExtendedMetaData){ - ((SDOExtendedMetaData) option).setFeatureNamespaceMatchingLax(true); - } - else{ - options.put(OPTION_EXTENDED_META_DATA, option = new SDOExtendedMetaDataImpl()); // TODO copy (BasicExtendedMetaData)option - } - /* - * Loads schema if necessary - */ - if (Boolean.TRUE.equals(options.get(SDOHelper.XMLOptions.XML_LOAD_SCHEMA))){ - XMLOptions xmlOptions = (XMLOptions) options.get(OPTION_XML_OPTIONS); - if (xmlOptions == null) { - xmlOptions = new XMLOptionsImpl(); - options.put(OPTION_XML_OPTIONS, xmlOptions); - } - xmlOptions.setProcessSchemaLocations(true); - if (option == null){ - option = getDefaultLoadOptions().get(OPTION_EXTENDED_META_DATA); - } - ExtendedMetaData extendedMetaData; - final XSDHelper xsdHelper; - if (option == null) { - extendedMetaData = ExtendedMetaData.INSTANCE; - xsdHelper = XSDHelper.INSTANCE; - } else { - extendedMetaData = (ExtendedMetaData) option; - xsdHelper = (new HelperContextImpl(extendedMetaData, false)).getXSDHelper(); - } - xmlOptions.setEcoreBuilder(new DefaultEcoreBuilder(extendedMetaData) { - public Collection generate(Map targetNamespaceToURI) throws IOException { - for (Iterator iterator = targetNamespaceToURI.values().iterator(); iterator.hasNext();) { - String uri = iterator.next().toString(); - xsdHelper.define(uri.indexOf(":/") == -1 ? Thread.currentThread().getContextClassLoader().getResourceAsStream(uri) - : new URL(uri).openStream(), uri); - } - return null; // XMLHandler#processSchemaLocations doesn't take the result - } - }); - } - - if (Boolean.TRUE.equals(options.get(SDOHelper.XMLOptions.XML_LOAD_UNKNOWN_PROPERTIES))) { - options.put(OPTION_RECORD_UNKNOWN_FEATURE , Boolean.TRUE); - } - } - else if (loadLaxForm != 0) { - /* - * Tolerates element/attribute malform - */ - options = new HashMap(); - options.put(OPTION_EXTENDED_META_DATA, new SDOExtendedMetaDataImpl()); - } - super.doLoad(inputSource, options); - // TODO there is some thinking to be done about the restoration of options - } - - /** - * Loads the resource from a StAX XMLStreamReader. - */ - public void load(XMLStreamReader reader, Map options) throws IOException { - this.reader = reader; - SDOXMLLoadImpl xmlLoad = (SDOXMLLoadImpl) createXMLLoad(); - Map mergedOptions = new HashMap(defaultLoadOptions); - if (options != null) - mergedOptions.putAll(options); - xmlLoad.load(this, reader, mergedOptions); - } - - ChangeSummaryStreamSerializer changeSummarySerializer/* = null*/; - - static private final class LocalName extends QName { - private LocalName(String name) { - super(name); - } - - public String getNamespaceURI() { - return null; - } - } - - static final String INDENT = " ", LINE_SEPARATOR = System.getProperty("line.separator"); - - static final class XmlString extends XMLString { - XmlString(int lineWidth, String temporaryFileName) { - super(lineWidth, temporaryFileName); // setLineWidth & setTemporaryFileName - } - - XmlString(int lineWidth, String publicId, String systemId, String temporaryFileName) { - super(lineWidth, publicId, systemId, temporaryFileName); - } - - void setLineBreak(String lineBreak) { - lineSeparator = lineBreak; - } - - void margin(String margin) { - indents.set(0, margin); - } - - String indent = INDENT; - - protected String getElementIndent(int extra) { - int nesting = depth + extra - 1; - for (int i = indents.size() - 1; i < nesting; ++i) { - indents.add(indents.get(i) + indent); - } - return (String) indents.get(nesting); - } - - protected String getAttributeIndent() { - return getElementIndent(); - } - - public final boolean mixed() { - return isMixed; - } - - public void reset(String publicId, String systemId, int lineWidth, String temporaryFileName) { - super.reset(publicId, systemId, lineWidth, temporaryFileName); - setLineBreak(LINE_SEPARATOR); - indent = INDENT; - } - } - - static final char MARK = '\n'; - - static final String LINE_BREAK = new String(new char[] { MARK }); - - final class SDOXMLSaveImpl extends XMLSaveImpl { - SDOXMLSaveImpl(XMLHelper helper) { - super(helper); - } - - XmlString doc(XMLResource resource, Map options) { - if (doc instanceof XmlString) - return (XmlString) doc; - Object lineWidth = options.get(OPTION_LINE_WIDTH); - int width = lineWidth == null ? Integer.MAX_VALUE : ((Number) lineWidth).intValue(); - XmlString d = resource != null && Boolean.TRUE.equals(options.get(OPTION_SAVE_DOCTYPE)) ? new XmlString(width, resource.getPublicId(), - resource.getSystemId(), doc.getTemporaryFileName()) : new XmlString(width, doc.getTemporaryFileName()); - doc = d; - return d; - } - - Map changeSummaryOptions = new HashMap(); - String indent = INDENT, margin; - - protected void init(XMLResource resource, Map options) { - super.init(resource, options); - int unformat = 0; - String lineBreak = (String) options.get(SDOHelper.XMLOptions.XML_SAVE_LINE_BREAK); - if (lineBreak == null) - changeSummaryOptions.put(SDOHelper.XMLOptions.XML_SAVE_LINE_BREAK, LINE_BREAK); - else if (lineBreak.length() == 0) - ++unformat; - else { - changeSummaryOptions.put(SDOHelper.XMLOptions.XML_SAVE_LINE_BREAK, LINE_BREAK); - if (lineBreak.equals(LINE_SEPARATOR)) - lineBreak = null; - } - String indent = (String) options.get(SDOHelper.XMLOptions.XML_SAVE_INDENT); - if (indent == null) - changeSummaryOptions.put(SDOHelper.XMLOptions.XML_SAVE_INDENT, INDENT); - else if (indent.length() == 0) - ++unformat; - else { - changeSummaryOptions.put(SDOHelper.XMLOptions.XML_SAVE_INDENT, this.indent = indent); - if (indent.equals(INDENT)) - indent = null; - } - String margin = (String) options.get(SDOHelper.XMLOptions.XML_SAVE_MARGIN); - if (margin == null || margin.length() == 0) { - if (unformat == 2) - doc.setUnformatted(true); - else if (lineBreak != null) { - XmlString d = doc(resource, options); - d.setLineBreak(lineBreak); - if (indent != null) - d.indent = indent; - } else if (indent != null) - doc(resource, options).indent = indent; - this.margin = this.indent; - } else { - XmlString d = doc(resource, options); - d.margin(margin); - if (lineBreak != null) - d.setLineBreak(lineBreak); - if (indent != null) - d.indent = indent; - this.margin = margin + this.indent; - if (!toDOM && declareXML) - d.add(margin); - } - // changeSummaryOptions.put(ChangeSummaryStreamSerializer.OPTION_RootObject_PATH, "#"); - // changeSummaryOptions.put(ChangeSummaryStreamSerializer.OPTION_OPTIMIZE_LIST, Boolean.TRUE); - changeSummaryOptions.put(OPTION_EXTENDED_META_DATA, extendedMetaData); - } - - QName qName(EStructuralFeature f) { - if (extendedMetaData == null) - return new LocalName(f.getName()); - String nameSpace = extendedMetaData.getNamespace(f), name = extendedMetaData.getName(f); - return nameSpace == null ? new LocalName(name) : new QName(nameSpace, name); - } - - XMLStreamWriter xmlStreamWriter/* = null*/; - - void saveChangeSummary(EObject o, EStructuralFeature f, Object changeSummary) { - boolean notMixed; - if (doc instanceof XmlString) - notMixed = !((XmlString) doc).mixed(); - else if (extendedMetaData == null) - notMixed = true; - else - switch (extendedMetaData.getContentKind(o.eClass())) { - case ExtendedMetaData.MIXED_CONTENT: - case ExtendedMetaData.SIMPLE_CONTENT: - notMixed = false; - break; - default: - notMixed = true; - } - if (notMixed) { - StringBuffer margin = new StringBuffer(this.margin); - for (EObject container = o.eContainer(), grandContainer; (grandContainer = container.eContainer()) != null; container = grandContainer) - margin.append(indent); - changeSummaryOptions.put(SDOHelper.XMLOptions.XML_SAVE_MARGIN, margin.toString()); - } - try { - if (xmlStreamWriter == null) { - xmlStreamWriter = XMLOutputFactory.newInstance().createXMLStreamWriter(new Writer() { - public void close() { - } - - public void flush() { - } - - protected final void add(char[] cbuf, int index, int off) { - doc.addText(new String(cbuf, index, off - index)); - } - - public void write(char[] cbuf, int off, int len) { - if (len != 0) - for (;;) { - while (cbuf[off] == MARK) { - doc.addLine(); - if (--len == 0) - return; - ++off; - } - for (int index = off;/* true */;) { - ++off; - if (--len == 0) - add(cbuf, index, off); - else { - if (cbuf[off] != MARK) - continue; - add(cbuf, index, off); - doc.addLine(); - if (--len != 0) - break; - } - return; - } - ++off; - } - } - }); - xmlStreamWriter.setNamespaceContext(((SDOXMLHelperImpl) helper).new NameSpaceContext() { - public String getNamespaceURI(String prefix) { - return declareXSI && ExtendedMetaData.XSI_PREFIX.equals(prefix) ? ExtendedMetaData.XSI_URI : super - .getNamespaceURI(prefix); - } - - public String getPrefix(String namespaceURI) { - return declareXSI && ExtendedMetaData.XSI_URI.equals(namespaceURI) ? ExtendedMetaData.XSI_PREFIX : super - .getPrefix(namespaceURI); - } - - public Iterator getPrefixes(String namespaceURI) { - final Iterator iterator = super.getPrefixes(namespaceURI); - return ExtendedMetaData.XSI_URI.equals(namespaceURI) ? new Iterator() { - boolean first = true; - - public boolean hasNext() { - if (first) - if (declareXSI) // never from true to false - return true; - else - first = false; - return iterator.hasNext(); - } - - public Object next() { - if (first) { - first = false; - if (declareXSI) - return ExtendedMetaData.XSI_PREFIX; - } - return iterator.next(); - } - - public void remove() { - if (first) - declareXSI = false; - else - iterator.remove(); - } - } : iterator; - } - }); - for (Iterator iterator = helper.getPrefixToNamespaceMap().iterator(); iterator.hasNext();) { - Map.Entry entry = (Map.Entry) iterator.next(); - xmlStreamWriter.setPrefix((String) entry.getKey(), (String) entry.getValue()); - } - if (declareXSI) - xmlStreamWriter.setPrefix(ExtendedMetaData.XSI_PREFIX, ExtendedMetaData.XSI_URI); - if (changeSummarySerializer == null) - changeSummarySerializer = new ChangeSummaryStreamSerializer(); - } - changeSummarySerializer.saveChangeSummary((ChangeSummary) changeSummary, qName(f), xmlStreamWriter, changeSummaryOptions); - if (notMixed) - doc.addLine(); - } catch (XMLStreamException e) { - xmlResource.getErrors().add(new XMIException(e)); - } - } - - protected void saveDataTypeElementSingle(EObject o, EStructuralFeature f) { - if (f.getEType() == ChangeSummaryStreamSerializer.ChangeSummary_TYPE) - saveChangeSummary(o, f, helper.getValue(o, f)); - else - super.saveDataTypeElementSingle(o, f); - } - - /* - * TEMPORARILY COPIED FROM BASE CLASS - DO NOT EDIT - WILL BE REMOVED WHEN WE MOVE TO EMF 2.3 - */ - protected boolean saveElementFeatureMap(EObject o, EStructuralFeature f) - { - List values = (List)helper.getValue(o, f); - int size = values.size(); - for (int i = 0; i < size; i++) - { - FeatureMap.Entry entry = (FeatureMap.Entry)values.get(i); - EStructuralFeature entryFeature = entry.getEStructuralFeature(); - Object value = entry.getValue(); - if (entryFeature instanceof EReference) - { - if (value == null) - { - saveNil(o, entryFeature); - } - else - { - EReference referenceEntryFeature = (EReference)entryFeature; - if (referenceEntryFeature.isContainment()) - { - saveElement((InternalEObject)value, entryFeature); - } - else if (referenceEntryFeature.isResolveProxies()) - { - saveFeatureMapElementReference((EObject)value, referenceEntryFeature); - } - else - { - saveElementIDRef(o, (EObject)value, entryFeature); - } - } - } - else - { - if (entryFeature == XMLTypePackage.eINSTANCE.getXMLTypeDocumentRoot_Text()) - { - String svalue = value.toString(); - if (escape != null) - { - svalue = escape.convertText(svalue); - } - if (!toDOM) - { - doc.addText(svalue); - } - else - { - Node text = document.createTextNode(svalue); - currentNode.appendChild(text); - handler.recordValues(text, o, f, entry); - } - } - else if (entryFeature == XMLTypePackage.eINSTANCE.getXMLTypeDocumentRoot_CDATA()) - { - String stringValue = value.toString(); - if (escape != null) - { - stringValue = escape.convertLines(stringValue); - } - if (!toDOM) - { - doc.addCDATA(stringValue); - } - else - { - Node cdata = document.createCDATASection(stringValue); - currentNode.appendChild(cdata); - handler.recordValues(cdata, o, f, entry); - } - } - else if (entryFeature == XMLTypePackage.eINSTANCE.getXMLTypeDocumentRoot_Comment()) - { - String stringValue = value.toString(); - if (escape != null) - { - stringValue = escape.convertLines(stringValue); - } - if (!toDOM) - { - doc.addComment(stringValue); - } - else - { - // TODO comments are not sent to recordValues - currentNode.appendChild(document.createComment(stringValue)); - } - } - else - { - saveElement(o, value, entryFeature); - } - } - } - return size > 0; - } - - protected final void saveElement(EObject o, Object value, EStructuralFeature f) - { - if (f.getEType() == ChangeSummaryStreamSerializer.ChangeSummary_TYPE) - { - saveChangeSummary(o, f, value); - return; - } - /* super.saveElement(o, value, f); - * TEMPORARILY COPIED FROM BASE CLASS - DO NOT EDIT - WILL BE REMOVED WHEN WE MOVE TO EMF 2.3 - */ - if (value == null) - { - saveNil(o, f); - } - else - { - String svalue = getDatatypeValue(value, f, false); - if (!toDOM) - { - doc.saveDataValueElement(helper.getQName(f), svalue); - } - else - { - helper.populateNameInfo(nameInfo, f); - Element elem = document.createElementNS(nameInfo.getNamespaceURI(), nameInfo.getQualifiedName()); - Node text = document.createTextNode(svalue); - elem.appendChild(text); - currentNode.appendChild(elem); - handler.recordValues(elem, o, f, value); - handler.recordValues(text, o, f, value); - } - } - } - } - - protected XMLSave createXMLSave() { - return new SDOXMLSaveImpl(createXMLHelper()); - } -} diff --git a/branches/sdo-1.1.1-incubating/impl/src/main/java/org/apache/tuscany/sdo/util/resource/XMLDocumentStreamReader.java b/branches/sdo-1.1.1-incubating/impl/src/main/java/org/apache/tuscany/sdo/util/resource/XMLDocumentStreamReader.java deleted file mode 100644 index 64088a0366..0000000000 --- a/branches/sdo-1.1.1-incubating/impl/src/main/java/org/apache/tuscany/sdo/util/resource/XMLDocumentStreamReader.java +++ /dev/null @@ -1,438 +0,0 @@ -/** - * - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you under the Apache License, Version 2.0 (the - * "License"); you may not use this file except in compliance - * with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, - * software distributed under the License is distributed on an - * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY - * KIND, either express or implied. See the License for the - * specific language governing permissions and limitations - * under the License. - */ -package org.apache.tuscany.sdo.util.resource; - -import java.util.NoSuchElementException; - -import javax.xml.namespace.NamespaceContext; -import javax.xml.namespace.QName; -import javax.xml.stream.Location; -import javax.xml.stream.XMLStreamException; -import javax.xml.stream.XMLStreamReader; - -/** - * This class is derived from Apache Axis2 class <a - * href="http://svn.apache.org/repos/asf/webservices/axis2/trunk/java/modules/core/src/org/apache/axis2/util/StreamWrapper.java"> - * org.apache.axis2.util.StreamWrapper</a>. It's used wrap a XMLStreamReader to create a XMLStreamReader representing a document and it will produce - * START_DOCUMENT, END_DOCUMENT events. - * - */ -public class XMLDocumentStreamReader implements XMLStreamReader { - private static final int STATE_INIT = 0; // The wrapper will produce START_DOCUMENT - - private static final int STATE_SWITCHED = 1; // The real reader will produce events - - private static final int STATE_COMPLETE_AT_NEXT = 2; // The wrapper will produce END_DOCUMENT - - private static final int STATE_COMPLETED = 3; // Done - - private XMLStreamReader realReader = null; - - private int state = STATE_INIT; - - public XMLDocumentStreamReader(XMLStreamReader realReader) { - if (realReader == null) { - throw new UnsupportedOperationException("Reader cannot be null"); - } - - this.realReader = realReader; - - // If the real reader is positioned at START_DOCUMENT, always use the real reader - if (realReader.getEventType() == START_DOCUMENT) - state = STATE_SWITCHED; - } - - public void close() throws XMLStreamException { - realReader.close(); - } - - public int next() throws XMLStreamException { - int returnEvent = -1; - - switch (state) { - case STATE_SWITCHED: - returnEvent = realReader.next(); - if (returnEvent == END_DOCUMENT) { - state = STATE_COMPLETED; - } else if (!realReader.hasNext()) { - state = STATE_COMPLETE_AT_NEXT; - } - break; - case STATE_INIT: - state = STATE_SWITCHED; - returnEvent = realReader.getEventType(); - break; - case STATE_COMPLETE_AT_NEXT: - state = STATE_COMPLETED; - returnEvent = END_DOCUMENT; - break; - case STATE_COMPLETED: - // oops - no way we can go beyond this - throw new NoSuchElementException("End of stream has reached."); - default: - throw new UnsupportedOperationException(); - } - - return returnEvent; - } - - private boolean isDelegating() { - return state == STATE_SWITCHED || state == STATE_COMPLETE_AT_NEXT; - } - - public int nextTag() throws XMLStreamException { - if (isDelegating()) { - return realReader.nextTag(); - } else { - throw new XMLStreamException(); - } - } - - public void require(int i, String s, String s1) throws XMLStreamException { - if (isDelegating()) { - realReader.require(i, s, s1); - } - } - - public boolean standaloneSet() { - if (isDelegating()) { - return realReader.standaloneSet(); - } else { - return false; - } - } - - public int getAttributeCount() { - if (isDelegating()) { - return realReader.getAttributeCount(); - } else { - throw new IllegalStateException(); - } - } - - public String getAttributeLocalName(int i) { - if (isDelegating()) { - return realReader.getAttributeLocalName(i); - } else { - throw new IllegalStateException(); - } - } - - public QName getAttributeName(int i) { - if (isDelegating()) { - return realReader.getAttributeName(i); - } else { - throw new IllegalStateException(); - } - } - - public String getAttributeNamespace(int i) { - if (isDelegating()) { - return realReader.getAttributeNamespace(i); - } else { - throw new IllegalStateException(); - } - } - - public String getAttributePrefix(int i) { - if (isDelegating()) { - return realReader.getAttributePrefix(i); - } else { - throw new IllegalStateException(); - } - } - - public String getAttributeType(int i) { - if (isDelegating()) { - return realReader.getAttributeType(i); - } else { - throw new IllegalStateException(); - } - } - - public String getAttributeValue(int i) { - if (isDelegating()) { - return realReader.getAttributeValue(i); - } else { - throw new IllegalStateException(); - } - } - - public String getAttributeValue(String s, String s1) { - if (isDelegating()) { - return realReader.getAttributeValue(s, s1); - } else { - throw new IllegalStateException(); - } - } - - public String getCharacterEncodingScheme() { - return realReader.getCharacterEncodingScheme(); - } - - public String getElementText() throws XMLStreamException { - if (isDelegating()) { - return realReader.getElementText(); - } else { - throw new XMLStreamException(); - } - } - - public String getEncoding() { - return realReader.getEncoding(); - } - - public int getEventType() { - int event = -1; - switch (state) { - case STATE_SWITCHED: - case STATE_COMPLETE_AT_NEXT: - event = realReader.getEventType(); - break; - case STATE_INIT: - event = START_DOCUMENT; - break; - case STATE_COMPLETED: - event = END_DOCUMENT; - break; - } - return event; - } - - public Location getLocation() { - if (isDelegating()) { - return realReader.getLocation(); - } else { - return null; - } - } - - public QName getName() { - if (isDelegating()) { - return realReader.getName(); - } else { - throw new IllegalStateException(); - } - } - - public String getLocalName() { - if (isDelegating()) { - return realReader.getLocalName(); - } else { - throw new IllegalStateException(); - } - } - - public NamespaceContext getNamespaceContext() { - return realReader.getNamespaceContext(); - } - - public int getNamespaceCount() { - if (isDelegating()) { - return realReader.getNamespaceCount(); - } else { - throw new IllegalStateException(); - } - } - - public String getNamespacePrefix(int i) { - if (isDelegating()) { - return realReader.getNamespacePrefix(i); - } else { - throw new IllegalStateException(); - } - } - - public String getNamespaceURI() { - if (isDelegating()) { - return realReader.getNamespaceURI(); - } else { - throw new IllegalStateException(); - } - } - - public String getNamespaceURI(int i) { - if (isDelegating()) { - return realReader.getNamespaceURI(i); - } else { - throw new IllegalStateException(); - } - } - - public String getNamespaceURI(String s) { - if (isDelegating()) { - return realReader.getNamespaceURI(s); - } else { - throw new IllegalStateException(); - } - } - - public String getPIData() { - if (isDelegating()) { - return realReader.getPIData(); - } else { - throw new IllegalStateException(); - } - } - - public String getPITarget() { - if (isDelegating()) { - return realReader.getPITarget(); - } else { - throw new IllegalStateException(); - } - } - - public String getPrefix() { - if (isDelegating()) { - return realReader.getPrefix(); - } else { - throw new IllegalStateException(); - } - } - - public Object getProperty(String s) throws IllegalArgumentException { - return realReader.getProperty(s); - } - - public String getText() { - if (isDelegating()) { - return realReader.getText(); - } else { - throw new IllegalStateException(); - } - } - - public char[] getTextCharacters() { - if (isDelegating()) { - return realReader.getTextCharacters(); - } else { - throw new IllegalStateException(); - } - } - - public int getTextCharacters(int i, char[] chars, int i1, int i2) throws XMLStreamException { - if (isDelegating()) { - return realReader.getTextCharacters(i, chars, i1, i2); - } else { - throw new IllegalStateException(); - } - } - - public int getTextLength() { - if (isDelegating()) { - return realReader.getTextLength(); - } else { - throw new IllegalStateException(); - } - } - - public int getTextStart() { - if (isDelegating()) { - return realReader.getTextStart(); - } else { - throw new IllegalStateException(); - } - } - - public String getVersion() { - if (isDelegating()) { - return realReader.getVersion(); - } else { - return null; - } - } - - public boolean hasName() { - if (isDelegating()) { - return realReader.hasName(); - } else { - return false; - } - } - - public boolean hasNext() throws XMLStreamException { - if (state == STATE_COMPLETE_AT_NEXT) { - return true; - } else if (state == STATE_COMPLETED) { - return false; - } else if (state == STATE_SWITCHED) { - return realReader.hasNext(); - } else { - return true; - } - } - - public boolean hasText() { - if (isDelegating()) { - return realReader.hasText(); - } else { - return false; - } - } - - public boolean isAttributeSpecified(int i) { - if (isDelegating()) { - return realReader.isAttributeSpecified(i); - } else { - return false; - } - } - - public boolean isCharacters() { - if (isDelegating()) { - return realReader.isCharacters(); - } else { - return false; - } - } - - public boolean isEndElement() { - if (isDelegating()) { - return realReader.isEndElement(); - } else { - return false; - } - } - - public boolean isStandalone() { - if (isDelegating()) { - return realReader.isStandalone(); - } else { - return false; - } - } - - public boolean isStartElement() { - if (isDelegating()) { - return realReader.isStartElement(); - } else { - return false; - } - } - - public boolean isWhiteSpace() { - if (isDelegating()) { - return realReader.isWhiteSpace(); - } else { - return false; - } - } -}
\ No newline at end of file diff --git a/branches/sdo-1.1.1-incubating/impl/src/main/java/org/apache/tuscany/sdo/util/resource/XMLFragmentStreamReader.java b/branches/sdo-1.1.1-incubating/impl/src/main/java/org/apache/tuscany/sdo/util/resource/XMLFragmentStreamReader.java deleted file mode 100644 index 66d8fbdc6a..0000000000 --- a/branches/sdo-1.1.1-incubating/impl/src/main/java/org/apache/tuscany/sdo/util/resource/XMLFragmentStreamReader.java +++ /dev/null @@ -1,44 +0,0 @@ -/** - * - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you under the Apache License, Version 2.0 (the - * "License"); you may not use this file except in compliance - * with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, - * software distributed under the License is distributed on an - * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY - * KIND, either express or implied. See the License for the - * specific language governing permissions and limitations - * under the License. - */ -package org.apache.tuscany.sdo.util.resource; - -import javax.xml.stream.XMLStreamReader; - -interface XMLFragmentStreamReader extends XMLStreamReader { - - // this will help to handle Text within the current element. - // user should pass the element text to the property list as this - // ELEMENT_TEXT as the key. This key deliberately has a space in it - // so that it is not a valid XML name - static final String ELEMENT_TEXT = "Element Text"; - - /** - * Extra method to query the state of the pullparser - * @return - */ - boolean isEndOfFragment(); - - /** - * Initiate the parser - this will do whatever the needed - * tasks to initiate the parser and must be called before - * attempting any specific parsing using this parser - */ - void init(); -} diff --git a/branches/sdo-1.1.1-incubating/impl/src/main/java/org/apache/tuscany/sdo/util/resource/XMLStreamSerializer.java b/branches/sdo-1.1.1-incubating/impl/src/main/java/org/apache/tuscany/sdo/util/resource/XMLStreamSerializer.java deleted file mode 100644 index 2c2dc87aa4..0000000000 --- a/branches/sdo-1.1.1-incubating/impl/src/main/java/org/apache/tuscany/sdo/util/resource/XMLStreamSerializer.java +++ /dev/null @@ -1,414 +0,0 @@ -/* - * Copyright 2004,2005 The Apache Software Foundation. - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package org.apache.tuscany.sdo.util.resource; - -import java.util.Map; -import javax.xml.namespace.NamespaceContext; -import javax.xml.stream.XMLOutputFactory; -import javax.xml.stream.XMLStreamConstants; -import javax.xml.stream.XMLStreamException; -import javax.xml.stream.XMLStreamReader; -import javax.xml.stream.XMLStreamWriter; - -import org.apache.tuscany.sdo.api.SDOHelper; -import org.apache.tuscany.sdo.api.SDOUtil; -/** - * The XMLStreamSerializer pulls events from the XMLStreamReader and dumps into the XMLStreamWriter - */ -public class XMLStreamSerializer implements XMLStreamConstants { - - private static int namespaceSuffix = 0; - - public static final String NAMESPACE_PREFIX = "ns"; - - /* - * The behavior of the serializer is such that it returns when it encounters the starting element for the second time. The depth variable tracks - * the depth of the serilizer and tells it when to return. Note that it is assumed that this serialization starts on an Element. - */ - - /** - * Field depth - */ - private int depth = 0; - - /** - * Method serialize. - * - * @param node - * @param writer - * @throws XMLStreamException - */ - public void serialize(XMLStreamReader node, XMLStreamWriter writer) throws XMLStreamException { - serializeNode(node, writer); - } - - public void serialize(XMLStreamReader node, XMLStreamWriter writer, Map options) throws XMLStreamException { - this.options = options; - serializeNode(node, writer); - } - /** - * Method serializeNode. - * - * @param reader - * @param writer - * @throws XMLStreamException - */ - protected void serializeNode(XMLStreamReader reader, XMLStreamWriter writer) throws XMLStreamException { - // TODO We get the StAXWriter at this point and uses it hereafter assuming that this is the only entry point to this class. - // If there can be other classes calling methodes of this we might need to change methode signatures to OMOutputer - while (reader.hasNext()) { - int event = reader.next(); - if (event == START_ELEMENT) { - if(options == null){ - serializeElement(reader, writer); - } - else{ - serializeElementWithOptions(reader, writer); - } - depth++; - } else if (event == ATTRIBUTE) { - serializeAttributes(reader, writer); - } else if (event == CHARACTERS) { - serializeText(reader, writer); - } else if (event == COMMENT) { - serializeComment(reader, writer); - } else if (event == CDATA) { - serializeCData(reader, writer); - } else if (event == END_ELEMENT) { - if(options == null){ - serializeEndElement(writer); - }else{ - serializeEndElementWithOptions(writer); - } - depth--; - } else if (event == START_DOCUMENT) { - depth++; // if a start document is found then increment the depth - } else if (event == END_DOCUMENT) { - if (depth != 0) - depth--; // for the end document - reduce the depth - try { - if(options == null){ - serializeEndElement(writer); - } - else{ - serializeEndElementWithOptions(writer); - } - } catch (Exception e) { - // TODO: log exceptions - } - } - if (depth == 0) { - break; - } - } - } - - /** - * @param reader - * @param writer - * @throws XMLStreamException - */ - protected void serializeElement(XMLStreamReader reader, XMLStreamWriter writer) throws XMLStreamException { - String prefix = reader.getPrefix(); - String nameSpaceName = reader.getNamespaceURI(); - if (nameSpaceName != null) { - String writer_prefix = writer.getPrefix(nameSpaceName); - if (writer_prefix != null) { - writer.writeStartElement(nameSpaceName, reader.getLocalName()); - } else { - if (prefix != null) { - writer.writeStartElement(prefix, reader.getLocalName(), nameSpaceName); - writer.writeNamespace(prefix, nameSpaceName); - writer.setPrefix(prefix, nameSpaceName); - } else { - writer.writeStartElement(nameSpaceName, reader.getLocalName()); - writer.writeDefaultNamespace(nameSpaceName); - writer.setDefaultNamespace(nameSpaceName); - } - } - } else { - writer.writeStartElement(reader.getLocalName()); - } - - // add the namespaces - int count = reader.getNamespaceCount(); - String namespacePrefix; - for (int i = 0; i < count; i++) { - namespacePrefix = reader.getNamespacePrefix(i); - if (namespacePrefix != null && namespacePrefix.length() == 0) - continue; - - serializeNamespace(namespacePrefix, reader.getNamespaceURI(i), writer); - } - - // add attributes - serializeAttributes(reader, writer); - - } - /** - * @param reader - * @param writer - * @throws XMLStreamException - */ - protected void serializeElementWithOptions(XMLStreamReader reader, XMLStreamWriter writer) throws XMLStreamException { - ++nest; - boolean brk=false; - if(oldNest != nest){ - if(oldNest < nest) brk = true; - oldNest = nest; - } - startElement(writer); - String prefix = reader.getPrefix(); - String nameSpaceName = reader.getNamespaceURI(); - if (nameSpaceName != null) { - String writer_prefix = writer.getPrefix(nameSpaceName); - - if (writer_prefix != null) { - if(brk && nest != 1){ - breakLine(writer, true, true); - } - else{ - breakLine(writer, false, true); - } - - writer.writeStartElement(nameSpaceName, reader.getLocalName()); - } else { - if (prefix != null) { - if(brk && nest == 1){ - breakLine(writer, false, true); - } - writer.writeStartElement(prefix, reader.getLocalName(), nameSpaceName); - writer.writeNamespace(prefix, nameSpaceName); - writer.setPrefix(prefix, nameSpaceName); - } else { - if(brk && nest == 1){ - breakLine(writer, false, true); - } - writer.writeStartElement(nameSpaceName, reader.getLocalName()); - writer.writeDefaultNamespace(nameSpaceName); - writer.setDefaultNamespace(nameSpaceName); - if(brk && nest == 1){ - breakLine(writer, false, true); - } - } - } - } else { - writer.writeStartElement(reader.getLocalName()); - } - - // add the namespaces - int count = reader.getNamespaceCount(); - String namespacePrefix; - for (int i = 0; i < count; i++) { - namespacePrefix = reader.getNamespacePrefix(i); - if (namespacePrefix != null && namespacePrefix.length() == 0) - continue; - - serializeNamespace(namespacePrefix, reader.getNamespaceURI(i), writer); - } - - // add attributes - serializeAttributes(reader, writer); - } - /** - * Method serializeEndElement. - * - * @param writer - * @throws XMLStreamException - */ - protected void serializeEndElement(XMLStreamWriter writer) throws XMLStreamException { - writer.writeEndElement(); - } - - /** - * Method serializeEndElement. - * - * @param writer - * @throws XMLStreamException - */ - protected void serializeEndElementWithOptions(XMLStreamWriter writer) throws XMLStreamException { - --nest; - if(oldNest > nest+1){ - nest++; - breakLine(writer, false, true); - writer.writeEndElement(); - breakLine(writer, true, false); - nest--; - } - else{ - writer.writeEndElement(); - breakLine(writer, true, false); - } - } - /** - * @param reader - * @param writer - * @throws XMLStreamException - */ - protected void serializeText(XMLStreamReader reader, XMLStreamWriter writer) throws XMLStreamException { - writer.writeCharacters(reader.getText()); - } - - /** - * Method serializeCData. - * - * @param reader - * @param writer - * @throws XMLStreamException - */ - protected void serializeCData(XMLStreamReader reader, XMLStreamWriter writer) throws XMLStreamException { - writer.writeCData(reader.getText()); - } - - /** - * Method serializeComment. - * - * @param reader - * @param writer - * @throws XMLStreamException - */ - protected void serializeComment(XMLStreamReader reader, XMLStreamWriter writer) throws XMLStreamException { - writer.writeComment(reader.getText()); - } - - /** - * @param reader - * @param writer - * @throws XMLStreamException - */ - protected void serializeAttributes(XMLStreamReader reader, XMLStreamWriter writer) - throws XMLStreamException { - int count = reader.getAttributeCount(); - String prefix = null; - String namespaceName = null; - String writerPrefix = null; - for (int i = 0; i < count; i++) { - prefix = reader.getAttributePrefix(i); - namespaceName = reader.getAttributeNamespace(i); - if (namespaceName != null) { - writerPrefix = writer.getNamespaceContext().getPrefix(namespaceName); - } - - if (!"".equals(namespaceName)) { - // prefix has already being declared but this particular attrib - // has a - // no prefix attached. So use the prefix provided by the writer - if (writerPrefix != null && (prefix == null || prefix.equals(""))) { - writer.writeAttribute(writerPrefix, - namespaceName, - reader.getAttributeLocalName(i), - reader.getAttributeValue(i)); - - // writer prefix is available but different from the current - // prefix of the attrib. We should be decalring the new - // prefix - // as a namespace declaration - } else if (prefix != null && !"".equals(prefix) && !prefix.equals(writerPrefix)) { - writer.writeNamespace(prefix, namespaceName); - writer.writeAttribute(prefix, namespaceName, reader.getAttributeLocalName(i), reader - .getAttributeValue(i)); - - // prefix is null (or empty), but the namespace name is - // valid! it has not - // being written previously also. So we need to generate a - // prefix - // here - } else if (prefix == null || prefix.equals("")) { - prefix = generateUniquePrefix(writer.getNamespaceContext()); - writer.writeNamespace(prefix, namespaceName); - writer.writeAttribute(prefix, namespaceName, reader.getAttributeLocalName(i), reader - .getAttributeValue(i)); - } else { - writer.writeAttribute(prefix, namespaceName, reader.getAttributeLocalName(i), reader - .getAttributeValue(i)); - } - } else { - // empty namespace is equal to no namespace! - writer.writeAttribute(reader.getAttributeLocalName(i), reader.getAttributeValue(i)); - } - - } - } - - /** - * Generates a unique namespace prefix that is not in the scope of the NamespaceContext - * - * @param nsCtxt - * @return string - */ - private String generateUniquePrefix(NamespaceContext nsCtxt) { - String prefix = NAMESPACE_PREFIX + namespaceSuffix++; - // null should be returned if the prefix is not bound! - while (nsCtxt.getNamespaceURI(prefix) != null) { - prefix = NAMESPACE_PREFIX + namespaceSuffix++; - } - - return prefix; - } - - /** - * Method serializeNamespace. - * - * @param prefix - * @param URI - * @param writer - * @throws XMLStreamException - */ - private void serializeNamespace(String prefix, String URI, XMLStreamWriter writer) throws XMLStreamException { - String prefix1 = writer.getPrefix(URI); - if (prefix1 == null) { - writer.writeNamespace(prefix, URI); - writer.setPrefix(prefix, URI); - } - } - private String lineBreak, indent, margin = null; - - private int nest; - private int oldNest; - - private void breakLine(XMLStreamWriter writer, boolean breakLine, boolean others) throws XMLStreamException { - if (options == null || (lineBreak==null && indent==null && margin==null) ) - return; - if(breakLine) - writer.writeCharacters(lineBreak); - - if (margin != null){ - if(others) - writer.writeCharacters(margin); - } - - if (indent != null && others){ - for (int count = nest; count != 1; --count){//!= 0 - writer.writeCharacters(indent); - } - } - } - - private Map options; - - static private final String STRING_OPTION = "String option"; - - void startElement(XMLStreamWriter writer) throws XMLStreamException { - if (options == null) - return; - lineBreak = (String) options.get(SDOHelper.XMLOptions.XML_SAVE_LINE_BREAK); - if (lineBreak == null) - return; - margin = (String) options.get(SDOHelper.XMLOptions.XML_SAVE_MARGIN); - indent = (String) options.get(SDOHelper.XMLOptions.XML_SAVE_INDENT); - } -} |