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-rw-r--r--branches/sca-java-0.90/modules/databinding-sdo-axiom/src/main/java/org/apache/tuscany/sca/databinding/sdo2om/DataObjectSerializer.java427
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diff --git a/branches/sca-java-0.90/modules/databinding-sdo-axiom/src/main/java/org/apache/tuscany/sca/databinding/sdo2om/DataObjectSerializer.java b/branches/sca-java-0.90/modules/databinding-sdo-axiom/src/main/java/org/apache/tuscany/sca/databinding/sdo2om/DataObjectSerializer.java
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index 4301ba09e3..0000000000
--- a/branches/sca-java-0.90/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();
-
- }
-
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-09 00:51:26 +0000