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author | lresende <lresende@13f79535-47bb-0310-9956-ffa450edef68> | 2009-11-11 23:06:50 +0000 |
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committer | lresende <lresende@13f79535-47bb-0310-9956-ffa450edef68> | 2009-11-11 23:06:50 +0000 |
commit | 0f3f9b59b310833f31ba234ee4aefa808649833c (patch) | |
tree | 4f8b3354beb0643151424eb978eece9e55038c90 /branches/sca-java-0.91/modules/databinding-sdo-axiom/src/main/java/org/apache/tuscany/sca/databinding/sdo2om/DataObjectSerializer.java | |
parent | f860c2f35b2f94e379d2ff7d5c13f54cd4a3132a (diff) |
Moving 1.x branches
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@835120 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'branches/sca-java-0.91/modules/databinding-sdo-axiom/src/main/java/org/apache/tuscany/sca/databinding/sdo2om/DataObjectSerializer.java')
-rw-r--r-- | branches/sca-java-0.91/modules/databinding-sdo-axiom/src/main/java/org/apache/tuscany/sca/databinding/sdo2om/DataObjectSerializer.java | 427 |
1 files changed, 0 insertions, 427 deletions
diff --git a/branches/sca-java-0.91/modules/databinding-sdo-axiom/src/main/java/org/apache/tuscany/sca/databinding/sdo2om/DataObjectSerializer.java b/branches/sca-java-0.91/modules/databinding-sdo-axiom/src/main/java/org/apache/tuscany/sca/databinding/sdo2om/DataObjectSerializer.java deleted file mode 100644 index 4301ba09e3..0000000000 --- a/branches/sca-java-0.91/modules/databinding-sdo-axiom/src/main/java/org/apache/tuscany/sca/databinding/sdo2om/DataObjectSerializer.java +++ /dev/null @@ -1,427 +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.sca.databinding.sdo2om; - -import java.util.ArrayList; -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.XMLStreamException; -import javax.xml.stream.XMLStreamWriter; - -import org.apache.tuscany.sca.databinding.TransformationContext; -import org.apache.tuscany.sca.interfacedef.DataType; -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.HelperContext; -import commonj.sdo.helper.XMLDocument; -import commonj.sdo.helper.XSDHelper; - -public class DataObjectSerializer { - private static final String ELEMENT_TEXT = "Text Element"; - - // static final String ELEMENT_TEXT = "Element Text"; - private static final QName XSI_TYPE_QNAME = new QName("http://www.w3.org/2001/XMLSchema-instance", "type", "xsi"); - - private Map<String, String> declaredNamespaceMap = new HashMap<String, String>(); - - private NameSpaceContextImpl namespaceContext = new NameSpaceContextImpl(); - - private DataObject rootDataObject; - - private String rootElementName; - - private String rootElementURI; - - private XMLStreamWriter xmlWriter; - - private XSDHelper xsdHelper; - - public DataObjectSerializer(DataObject rootObject, - XMLStreamWriter xmlWriter, - HelperContext helperCtx, - TransformationContext context) { - this.xmlWriter = xmlWriter; - this.rootDataObject = rootObject; - this.xsdHelper = helperCtx.getXSDHelper(); - this.rootElementName = xsdHelper.getLocalName(rootObject.getType()); - this.rootElementURI = rootDataObject.getType().getURI(); - - if (context != null) { - DataType dataType = context.getTargetDataType(); - Object targetQName = dataType == null ? null : dataType.getLogical(); - if (targetQName instanceof QName) { - QName name = (QName)targetQName; - this.rootElementName = name.getLocalPart(); - this.rootElementURI = name.getNamespaceURI(); - } - } - - } - - // 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); - // } - // } - - public DataObjectSerializer(XMLDocument sourceDocument, XMLStreamWriter xmlWriter, HelperContext helperCtx) { - this.xmlWriter = xmlWriter; - this.rootDataObject = sourceDocument.getRootObject(); - this.rootElementName = sourceDocument.getRootElementName(); - this.rootElementURI = sourceDocument.getRootElementURI(); - this.xsdHelper = helperCtx.getXSDHelper(); - } - - protected class NameSpaceContextImpl implements NamespaceContext { - private int counter; - - private Map<String, String> prefixToNamespaceMapping = new HashMap<String, String>(); - - public NameSpaceContextImpl() { - 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 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 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); - } - - public void removeMapping(String prefix) { - prefixToNamespaceMapping.remove(prefix); - } - } - - 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; - } - - } - - private static 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<NameValuePair> propertyList, - List<DataObject> children, - Property property, - List objList) throws XMLStreamException { - if (objList != null) { - for (int j = 0; j < objList.size(); j++) { - Object object = objList.get(j); - addSingleValue(propertyList, children, property, object); - } - } - } - - private void addProperty(List<NameValuePair> propertyList, - List<DataObject> children, - Property property, - Object value, - DataObject dataObject) throws XMLStreamException { - - if (property.isMany() && property.getContainingType().isOpen() && value instanceof Sequence) { - addSequenceValue(propertyList, children, (Sequence)value); - } else if (SDOUtil.isMany(property, dataObject) && value instanceof List) { - addListValue(propertyList, children, property, (List)value); - } else { - // Complex Type - addSingleValue(propertyList, children, property, value); - } - } - - private void addSequenceValue(List<NameValuePair> elements, List<DataObject> children, Sequence seq) - throws XMLStreamException { - 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, children, p, o); - } - } - } - - private void addSingleValue(List<NameValuePair> propertyList, - List<DataObject> children, - Property property, - Object value) throws XMLStreamException { - 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")) { - propertyList.add(new NameValuePair(ELEMENT_TEXT, value.toString())); - } else if (value == null) { - NameValuePair entry = new NameValuePair(qname, null); - propertyList.add(entry); - } else if (propertyType.isDataType()) { - NameValuePair entry = new NameValuePair(qname, SDOUtil.convertToString(propertyType, value)); - propertyList.add(entry); - } else { - children.add((DataObject)value); - } - } - - private void registerNamespace(String prefix, String uri) { - if (!uri.equals(namespaceContext.getNamespaceURI(prefix))) { - namespaceContext.registerMapping(prefix, uri); - declaredNamespaceMap.put(prefix, uri); - } - } - - public void serialize() throws XMLStreamException { - xmlWriter.setNamespaceContext(namespaceContext); - writeDataObject(rootDataObject, rootElementName, rootElementURI); - xmlWriter.flush(); - } - - private void writeDataObject(DataObject obj, String elementName, String elementURI) throws XMLStreamException { - List<NameValuePair> elementList = new ArrayList<NameValuePair>(); - List<DataObject> children = new ArrayList<DataObject>(); - List<NameValuePair> attributes = new ArrayList<NameValuePair>(); - - String typeName; - QName realTypeName = null; - - if (elementName != null) { - realTypeName = namespaceContext.createQName(elementURI, elementName); - String typeQName = realTypeName.getPrefix() + ":" + realTypeName.getLocalPart(); - declaredNamespaceMap.put(realTypeName.getPrefix(), realTypeName.getNamespaceURI()); - attributes.add(new NameValuePair(XSI_TYPE_QNAME, typeQName)); - registerNamespace(XSI_TYPE_QNAME.getPrefix(), XSI_TYPE_QNAME.getNamespaceURI()); - } else { - - typeName = xsdHelper.getLocalName(obj.getContainmentProperty()); - realTypeName = namespaceContext.createQName(obj.getType().getURI(), typeName); - registerNamespace(realTypeName.getPrefix(), realTypeName.getNamespaceURI()); - } - - registerNamespace(realTypeName.getPrefix(), realTypeName.getNamespaceURI()); - - if (obj.getType().isSequenced()) { - Sequence sequence = obj.getSequence(); - for (int i = 0; i < sequence.size(); i++) { - Property property = sequence.getProperty(i); - Object value = sequence.getValue(i); - if (property == null) { - elementList.add(new NameValuePair(ELEMENT_TEXT, value)); - } else { - addProperty(elementList, children, property, value, obj); - } - } - - // Attributes are not in the sequence - List properties = obj.getInstanceProperties(); - for (Iterator i = properties.iterator(); i.hasNext();) { - Property property = (Property)i.next(); - if (xsdHelper.isAttribute(property) && obj.isSet(property) && !isTransient(property, obj.getType())) { - Object value = obj.get(property); - QName name = - namespaceContext.createQName(xsdHelper.getNamespaceURI(property), xsdHelper - .getLocalName(property)); - attributes.add(new NameValuePair(name, SDOUtil.convertToString(property.getType(), value))); - } - } - } else { - Iterator i = obj.getInstanceProperties().iterator(); - while (i.hasNext()) { - Property p = (Property)i.next(); - if (obj.isSet(p) && !isTransient(p, obj.getType())) { - Object value = obj.get(p); - if (xsdHelper.isAttribute(p)) { - QName name = - namespaceContext.createQName(xsdHelper.getNamespaceURI(p), xsdHelper.getLocalName(p)); - attributes.add(new NameValuePair(name, SDOUtil.convertToString(p.getType(), value))); - } else { - addProperty(elementList, children, p, value, obj); - } - } - } - } - - String prefix = realTypeName.getPrefix(); - String nameSpaceName = realTypeName.getNamespaceURI(); - - if (nameSpaceName != null) { - String writerPrefix = xmlWriter.getPrefix(nameSpaceName); - if (writerPrefix != null) { - xmlWriter.writeStartElement(nameSpaceName, realTypeName.getLocalPart()); - } else { - if (prefix != null) { - xmlWriter.writeStartElement(prefix, realTypeName.getLocalPart(), nameSpaceName); - xmlWriter.writeNamespace(prefix, nameSpaceName); - xmlWriter.setPrefix(prefix, nameSpaceName); - } else { - xmlWriter.writeStartElement(nameSpaceName, realTypeName.getLocalPart()); - xmlWriter.writeDefaultNamespace(nameSpaceName); - xmlWriter.setDefaultNamespace(nameSpaceName); - } - } - } else { - xmlWriter.writeStartElement(realTypeName.getLocalPart()); - } - - for (NameValuePair pair : attributes) { - QName name = (QName)pair.getKey(); - assert namespaceContext.getPrefix(name.getPrefix()).equals(name.getNamespaceURI()); - xmlWriter.writeAttribute(name.getPrefix(), name.getNamespaceURI(), name.getLocalPart(), (String)pair - .getValue()); - } - - for (NameValuePair pair : elementList) { - if (ELEMENT_TEXT.equals(pair.getKey().toString())) { - xmlWriter.writeCharacters((String)pair.getValue()); - } else { - QName name = (QName)pair.getKey(); - xmlWriter.writeStartElement(name.getPrefix(), name.getLocalPart(), name.getNamespaceURI()); - xmlWriter.writeCharacters((String)pair.getValue()); - xmlWriter.writeEndElement(); - } - } - - for (DataObject child : children) { - writeDataObject(child, null, null); - } - xmlWriter.writeEndElement(); - - } - -} |