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/*
 * Copyright (c) 1998, 2021 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0 which is available at
 * http://www.eclipse.org/legal/epl-2.0,
 * or the Eclipse Distribution License v. 1.0 which is available at
 * http://www.eclipse.org/org/documents/edl-v10.php.
 *
 * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause
 */

// Contributors:
//     Oracle - initial API and implementation from Oracle TopLink
package org.eclipse.persistence.sdo.helper.delegates;

import commonj.sdo.DataObject;
import commonj.sdo.Property;
import commonj.sdo.helper.HelperContext;
import commonj.sdo.helper.XMLDocument;

import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.Reader;
import java.io.StringReader;
import java.io.StringWriter;
import java.io.Writer;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.TimeZone;
import java.util.WeakHashMap;

import javax.xml.namespace.QName;
import javax.xml.transform.Result;
import javax.xml.transform.Source;
import javax.xml.transform.dom.DOMResult;
import javax.xml.transform.sax.SAXResult;
import javax.xml.transform.stream.StreamResult;
import javax.xml.transform.stream.StreamSource;

import org.eclipse.persistence.sdo.SDOConstants;
import org.eclipse.persistence.sdo.SDOType;
import org.eclipse.persistence.sdo.SDOXMLDocument;
import org.eclipse.persistence.sdo.helper.SDOUnmappedContentHandler;
import org.eclipse.persistence.sdo.helper.SDOClassLoader;
import org.eclipse.persistence.sdo.helper.SDOMarshalListener;
import org.eclipse.persistence.sdo.helper.SDOTypeHelper;
import org.eclipse.persistence.sdo.helper.SDOUnmarshalListener;
import org.eclipse.persistence.sdo.helper.SDOXMLHelper;
import org.eclipse.persistence.sdo.types.SDOPropertyType;
import org.eclipse.persistence.sdo.types.SDOTypeType;
import org.eclipse.persistence.exceptions.SDOException;
import org.eclipse.persistence.exceptions.XMLMarshalException;
import org.eclipse.persistence.internal.oxm.XMLConversionManager;
import org.eclipse.persistence.internal.sessions.AbstractSession;
import org.eclipse.persistence.oxm.NamespaceResolver;
import org.eclipse.persistence.oxm.XMLContext;
import org.eclipse.persistence.oxm.XMLDescriptor;
import org.eclipse.persistence.oxm.XMLLogin;
import org.eclipse.persistence.oxm.XMLMarshaller;
import org.eclipse.persistence.oxm.XMLRoot;
import org.eclipse.persistence.oxm.XMLUnmarshaller;
import org.eclipse.persistence.oxm.attachment.XMLAttachmentMarshaller;
import org.eclipse.persistence.oxm.attachment.XMLAttachmentUnmarshaller;
import org.eclipse.persistence.oxm.record.ContentHandlerRecord;
import org.eclipse.persistence.oxm.record.FormattedWriterRecord;
import org.eclipse.persistence.oxm.record.NodeRecord;
import org.eclipse.persistence.oxm.record.WriterRecord;
import org.eclipse.persistence.sessions.Project;
import org.xml.sax.InputSource;

/**
 * 

Purpose: Helper to XML documents into DataObects and DataObjects into XML documents. *

Responsibilities:

    *
  • Load methods create commonj.sdo.XMLDocument objects from XML (unmarshal) *
  • Save methods create XML from commonj.sdo.XMLDocument and commonj.sdo.DataObject objects (marshal) *
*/ public class SDOXMLHelperDelegate implements SDOXMLHelper { private SDOClassLoader loader; private XMLContext xmlContext; private Map xmlMarshallerMap; private Map xmlUnmarshallerMap; private Project topLinkProject; // hold the context containing all helpers so that we can preserve inter-helper relationships private HelperContext aHelperContext; public SDOXMLHelperDelegate(HelperContext aContext) { this(aContext, Thread.currentThread().getContextClassLoader()); } public SDOXMLHelperDelegate(HelperContext aContext, ClassLoader aClassLoader) { aHelperContext = aContext; // This ClassLoader is internal to SDO so no inter servlet-ejb container context issues should arise loader = new SDOClassLoader(aClassLoader, aContext); // WeakHashMap needs to be synchronized to prevent endless loop under the heavy load xmlMarshallerMap = Collections.synchronizedMap(new WeakHashMap()); xmlUnmarshallerMap = Collections.synchronizedMap(new WeakHashMap()); } /** * The specified TimeZone will be used for all String to date object * conversions. By default the TimeZone from the JVM is used. */ @Override public void setTimeZone(TimeZone timeZone) { getXmlConversionManager().setTimeZone(timeZone); } /** * By setting this flag to true the marshalled date objects marshalled to * the XML schema types time and dateTime will be qualified by a time zone. * By default time information is not time zone qualified. */ @Override public void setTimeZoneQualified(boolean timeZoneQualified) { getXmlConversionManager().setTimeZoneQualified(timeZoneQualified); } /** * Creates and returns an XMLDocument from the input String. * By default does not perform XSD validation. * Same as * load(new StringReader(inputString), null, null); * * @param inputString specifies the String to read from * @return the new XMLDocument loaded * @throws RuntimeException for errors in XML parsing or * implementation-specific validation. */ @Override public XMLDocument load(String inputString) { StringReader reader = new StringReader(inputString); try { return load(reader, null, null); } catch (IOException ioException) { ioException.printStackTrace(); return null; } } /** * Creates and returns an XMLDocument from the inputStream. * The InputStream will be closed after reading. * By default does not perform XSD validation. * Same as * load(inputStream, null, null); * * @param inputStream specifies the InputStream to read from * @return the new XMLDocument loaded * @throws IOException for stream exceptions. * @throws RuntimeException for errors in XML parsing or * implementation-specific validation. */ @Override public XMLDocument load(InputStream inputStream) throws IOException { return load(inputStream, null, null); } /** * Creates and returns an XMLDocument from the inputStream. * The InputStream will be closed after reading. * By default does not perform XSD validation. * @param inputStream specifies the InputStream to read from * @param locationURI specifies the URI of the document for relative schema locations * @param options implementation-specific options. * @return the new XMLDocument loaded * @throws IOException for stream exceptions. * @throws RuntimeException for errors in XML parsing or * implementation-specific validation. */ @Override public XMLDocument load(InputStream inputStream, String locationURI, Object options) throws IOException { InputSource inputSource = new InputSource(inputStream); return load(inputSource, locationURI, options); } /** * Creates and returns an XMLDocument from the inputSource. * The InputSource will be closed after reading. * By default does not perform XSD validation. * @param inputSource specifies the InputSource to read from * @param locationURI specifies the URI of the document for relative schema locations * @param options implementation-specific options. * @return the new XMLDocument loaded * @throws IOException for stream exceptions. * @throws RuntimeException for errors in XML parsing or * implementation-specific validation. */ @Override public XMLDocument load(InputSource inputSource, String locationURI, Object options) throws IOException { // get XMLUnmarshaller once - as we may create a new instance if this helper isDirty=true XMLUnmarshaller anXMLUnmarshaller = getXmlUnmarshaller(options); Object unmarshalledObject = null; if (options == null) { try { unmarshalledObject = anXMLUnmarshaller.unmarshal(inputSource); } catch(XMLMarshalException xmlException){ handleXMLMarshalException(xmlException); } } else { try { DataObject optionsDataObject = (DataObject)options; try { SDOType theType = (SDOType)optionsDataObject.get(SDOConstants.TYPE_LOAD_OPTION); try{ if (theType != null) { if(theType.isDataType()) { theType = (SDOType)((SDOTypeHelper)this.aHelperContext.getTypeHelper()).getWrappersHashMap().get(theType.getQName()); } if(theType != null) { unmarshalledObject = anXMLUnmarshaller.unmarshal(inputSource, theType.getImplClass()); } else { unmarshalledObject = anXMLUnmarshaller.unmarshal(inputSource); } }else{ unmarshalledObject = anXMLUnmarshaller.unmarshal(inputSource); } } catch(XMLMarshalException xmlException){ handleXMLMarshalException(xmlException); } } catch (ClassCastException ccException) { throw SDOException.typePropertyMustBeAType(ccException); } } catch (ClassCastException ccException) { throw SDOException.optionsMustBeADataObject(ccException, SDOConstants.ORACLE_SDO_URL ,SDOConstants.XMLHELPER_LOAD_OPTIONS); } } if (unmarshalledObject instanceof XMLRoot) { XMLRoot xmlRoot = (XMLRoot)unmarshalledObject; XMLDocument xmlDocument = createDocument((DataObject)((XMLRoot)unmarshalledObject).getObject(), ((XMLRoot)unmarshalledObject).getNamespaceURI(), ((XMLRoot)unmarshalledObject).getLocalName()); if(xmlRoot.getEncoding() != null) { xmlDocument.setEncoding(xmlRoot.getEncoding()); } if(xmlRoot.getXMLVersion() != null) { xmlDocument.setXMLVersion(xmlRoot.getXMLVersion()); } xmlDocument.setSchemaLocation(xmlRoot.getSchemaLocation()); xmlDocument.setNoNamespaceSchemaLocation(xmlRoot.getNoNamespaceSchemaLocation()); return xmlDocument; } else if (unmarshalledObject instanceof DataObject) { String localName = ((SDOType)((DataObject)unmarshalledObject).getType()).getXmlDescriptor().getDefaultRootElement(); if (localName == null) { localName = ((SDOType)((DataObject)unmarshalledObject).getType()).getXsdLocalName(); } return createDocument((DataObject)unmarshalledObject, ((DataObject)unmarshalledObject).getType().getURI(), localName); } else if (unmarshalledObject instanceof XMLDocument) { return (XMLDocument)unmarshalledObject; } return null; } /** * Creates and returns an XMLDocument from the inputReader. * The InputStream will be closed after reading. * By default does not perform XSD validation. * @param inputReader specifies the Reader to read from * @param locationURI specifies the URI of the document for relative schema locations * @param options implementation-specific options. * @return the new XMLDocument loaded * @throws IOException for stream exceptions. * @throws RuntimeException for errors in XML parsing or * implementation-specific validation. */ @Override public XMLDocument load(Reader inputReader, String locationURI, Object options) throws IOException { InputSource inputSource = new InputSource(inputReader); return load(inputSource, locationURI, options); } @Override public XMLDocument load(Source source, String locationURI, Object options) throws IOException { // get XMLUnmarshaller once - as we may create a new instance if this helper isDirty=true XMLUnmarshaller anXMLUnmarshaller = getXmlUnmarshaller(options); Object unmarshalledObject = null; if (options == null) { try { unmarshalledObject = anXMLUnmarshaller.unmarshal(source); } catch(XMLMarshalException xmlException){ handleXMLMarshalException(xmlException); } } else { try { DataObject optionsDataObject = (DataObject)options; try { SDOType theType = (SDOType)optionsDataObject.get(SDOConstants.TYPE_LOAD_OPTION); try{ if (theType != null) { if(theType.isDataType()) { theType = (SDOType)((SDOTypeHelper)this.aHelperContext.getTypeHelper()).getWrappersHashMap().get(theType.getQName()); } if(theType != null) { unmarshalledObject = anXMLUnmarshaller.unmarshal(source, theType.getImplClass()); } else { unmarshalledObject = anXMLUnmarshaller.unmarshal(source); } }else{ unmarshalledObject = anXMLUnmarshaller.unmarshal(source); } } catch(XMLMarshalException xmlException){ handleXMLMarshalException(xmlException); } } catch (ClassCastException ccException) { throw SDOException.typePropertyMustBeAType(ccException); } } catch (ClassCastException ccException) { throw SDOException.optionsMustBeADataObject(ccException, SDOConstants.ORACLE_SDO_URL ,SDOConstants.XMLHELPER_LOAD_OPTIONS); } } if (unmarshalledObject instanceof XMLRoot) { XMLRoot xmlRoot = (XMLRoot)unmarshalledObject; XMLDocument xmlDocument = createDocument((DataObject)((XMLRoot)unmarshalledObject).getObject(), ((XMLRoot)unmarshalledObject).getNamespaceURI(), ((XMLRoot)unmarshalledObject).getLocalName()); if(xmlRoot.getEncoding() != null) { xmlDocument.setEncoding(xmlRoot.getEncoding()); } if(xmlRoot.getXMLVersion() != null) { xmlDocument.setXMLVersion(xmlRoot.getXMLVersion()); } xmlDocument.setSchemaLocation(xmlRoot.getSchemaLocation()); xmlDocument.setNoNamespaceSchemaLocation(xmlRoot.getNoNamespaceSchemaLocation()); return xmlDocument; } else if (unmarshalledObject instanceof DataObject) { DataObject unmarshalledDataObject = (DataObject)unmarshalledObject; String localName = ((SDOType)((DataObject)unmarshalledObject).getType()).getXmlDescriptor().getDefaultRootElement(); if (localName == null) { localName = ((SDOType)((DataObject)unmarshalledObject).getType()).getXsdLocalName(); } return createDocument(unmarshalledDataObject, unmarshalledDataObject.getType().getURI(), localName); } else if (unmarshalledObject instanceof XMLDocument) { return (XMLDocument)unmarshalledObject; } return null; } /** * Returns the DataObject saved as an XML document with the specified root element. * Same as * StringWriter stringWriter = new StringWriter(); * save(createDocument(dataObject, rootElementURI, rootElementName), * stringWriter, null); * stringWriter.toString(); * * @param dataObject specifies DataObject to be saved * @param rootElementURI the Target Namespace URI of the root XML element * @param rootElementName the Name of the root XML element * @return the saved XML document as a string * @throws IllegalArgumentException if the dataObject tree * is not closed or has no container. */ @Override public String save(DataObject dataObject, String rootElementURI, String rootElementName) { try { StringWriter writer = new StringWriter(); save(dataObject, rootElementURI, rootElementName, writer, getXmlMarshaller(null)); return writer.toString(); } catch (XMLMarshalException e) { throw SDOException.xmlMarshalExceptionOccurred(e, rootElementURI, rootElementName); } } /** * Saves the DataObject as an XML document with the specified root element. * Same as * save(createDocument(dataObject, rootElementURI, rootElementName), * outputStream, null); * * @param dataObject specifies DataObject to be saved * @param rootElementURI the Target Namespace URI of the root XML element * @param rootElementName the Name of the root XML element * @param outputStream specifies the OutputStream to write to. * @throws IOException for stream exceptions. * @throws IllegalArgumentException if the dataObject tree * is not closed or has no container. */ @Override public void save(DataObject dataObject, String rootElementURI, String rootElementName, OutputStream outputStream) throws XMLMarshalException, IOException { XMLMarshaller xmlMarshaller = getXmlMarshaller(null); OutputStreamWriter writer = new OutputStreamWriter(outputStream, xmlMarshaller.getEncoding()); save(dataObject, rootElementURI, rootElementName, writer, xmlMarshaller); } @Override public void serialize(XMLDocument xmlDocument, OutputStream outputStream, Object options) throws IOException { XMLMarshaller xmlMarshaller = getXmlMarshaller(); XMLAttachmentMarshaller attachmentMarshaller = xmlMarshaller.getAttachmentMarshaller(); //temporarily null out the attachment marshaller as it should not be used during serialization xmlMarshaller.setAttachmentMarshaller(null); OutputStreamWriter writer = new OutputStreamWriter(outputStream, xmlMarshaller.getEncoding()); save(xmlDocument, writer, xmlMarshaller); xmlMarshaller.setAttachmentMarshaller(attachmentMarshaller); } /** * Serializes an XMLDocument as an XML document into the outputStream. * If the DataObject's Type was defined by an XSD, the serialization * will follow the XSD. * Otherwise the serialization will follow the format as if an XSD * were generated as defined by the SDO specification. * The OutputStream will be flushed after writing. * Does not perform validation to ensure compliance with an XSD. * @param xmlDocument specifies XMLDocument to be saved * @param outputStream specifies the OutputStream to write to. * @param options implementation-specific options. * @throws IOException for stream exceptions. * @throws IllegalArgumentException if the dataObject tree * is not closed or has no container. */ @Override public void save(XMLDocument xmlDocument, OutputStream outputStream, Object options) throws IOException { if (xmlDocument == null) { throw new IllegalArgumentException(SDOException.cannotPerformOperationWithNullInputParameter("save", "xmlDocument")); } XMLMarshaller xmlMarshaller = getXmlMarshaller(options); String encoding = xmlMarshaller.getEncoding(); if(xmlDocument.getEncoding() != null) { encoding = xmlDocument.getEncoding(); } OutputStreamWriter writer = new OutputStreamWriter(outputStream, encoding); save(xmlDocument, writer, xmlMarshaller); } /** * Serializes an XMLDocument as an XML document into the outputWriter. * If the DataObject's Type was defined by an XSD, the serialization * will follow the XSD. * Otherwise the serialization will follow the format as if an XSD * were generated as defined by the SDO specification. * The OutputStream will be flushed after writing. * Does not perform validation to ensure compliance with an XSD. * @param xmlDocument specifies XMLDocument to be saved * @param outputWriter specifies the Writer to write to. * @param options implementation-specific options. * @throws IOException for stream exceptions. * @throws IllegalArgumentException if the dataObject tree * is not closed or has no container. */ @Override public void save(XMLDocument xmlDocument, Writer outputWriter, Object options) throws IOException { save(xmlDocument, outputWriter, getXmlMarshaller(options)); } private void save(XMLDocument xmlDocument, Writer outputWriter, XMLMarshaller anXMLMarshaller) throws IOException { if (xmlDocument == null) { throw new IllegalArgumentException(SDOException.cannotPerformOperationWithNullInputParameter("save", "xmlDocument")); } // Ask the SDOXMLDocument if we should include the XML declaration in the resulting XML anXMLMarshaller.setFragment(!xmlDocument.isXMLDeclaration()); anXMLMarshaller.setEncoding(xmlDocument.getEncoding()); anXMLMarshaller.setSchemaLocation(xmlDocument.getSchemaLocation()); anXMLMarshaller.setNoNamespaceSchemaLocation(xmlDocument.getNoNamespaceSchemaLocation()); WriterRecord writerRecord; if(anXMLMarshaller.isFormattedOutput()) { writerRecord = new FormattedWriterRecord(); } else { writerRecord = new WriterRecord(); } writerRecord.setWriter(outputWriter); writerRecord.setMarshaller(anXMLMarshaller); SDOMarshalListener listener = ((SDOMarshalListener)anXMLMarshaller.getMarshalListener()); listener.setMarshalledObject(xmlDocument.getRootObject()); listener.setMarshalledObjectRootQName(new QName(xmlDocument.getRootElementURI(), xmlDocument.getRootElementName())); listener.setRootMarshalRecord(writerRecord); try{ anXMLMarshaller.marshal(xmlDocument, writerRecord); writerRecord.flush(); }catch(XMLMarshalException xme){ if(xme.getErrorCode() == XMLMarshalException.DESCRIPTOR_NOT_FOUND_IN_PROJECT){ if(aHelperContext != ((SDOType)xmlDocument.getRootObject().getType()).getHelperContext()){ throw SDOException.dataObjectNotFromHelperContext(); } } } finally{ listener.setMarshalledObject(null); listener.setMarshalledObjectRootQName(null); listener.setRootMarshalRecord(null); } outputWriter.flush(); } @Override public void save(XMLDocument xmlDocument, Result result, Object options) throws IOException { if (xmlDocument == null) { throw new IllegalArgumentException(SDOException.cannotPerformOperationWithNullInputParameter("save", "xmlDocument")); } if (result instanceof StreamResult) { StreamResult streamResult = (StreamResult)result; Writer writer = streamResult.getWriter(); if (null == writer) { save(xmlDocument, streamResult.getOutputStream(), options); } else { save(xmlDocument, writer, options); } } else { // get XMLMarshaller once - as we may create a new instance if this helper isDirty=true XMLMarshaller anXMLMarshaller = getXmlMarshaller(options); // Ask the SDOXMLDocument if we should include the XML declaration in the resulting XML anXMLMarshaller.setFragment(!xmlDocument.isXMLDeclaration()); anXMLMarshaller.setEncoding(xmlDocument.getEncoding()); anXMLMarshaller.setSchemaLocation(xmlDocument.getSchemaLocation()); anXMLMarshaller.setNoNamespaceSchemaLocation(xmlDocument.getNoNamespaceSchemaLocation()); SDOMarshalListener listener = ((SDOMarshalListener)anXMLMarshaller.getMarshalListener()); listener.setMarshalledObject(xmlDocument.getRootObject()); listener.setMarshalledObjectRootQName(new QName(xmlDocument.getRootElementURI(), xmlDocument.getRootElementName())); if(result instanceof SAXResult) { ContentHandlerRecord marshalRecord = new ContentHandlerRecord(); marshalRecord.setContentHandler(((SAXResult)result).getHandler()); marshalRecord.setMarshaller(anXMLMarshaller); listener.setRootMarshalRecord(marshalRecord); anXMLMarshaller.marshal(xmlDocument, marshalRecord); marshalRecord.flush(); } else if(result instanceof DOMResult) { NodeRecord marshalRecord = new NodeRecord(); marshalRecord.setDOM(((DOMResult)result).getNode()); marshalRecord.setMarshaller(anXMLMarshaller); listener.setRootMarshalRecord(marshalRecord); anXMLMarshaller.marshal(xmlDocument, marshalRecord); marshalRecord.flush(); } else { StringWriter writer = new StringWriter(); this.save(xmlDocument, writer, options); String xml = writer.toString(); StreamSource source = new StreamSource(new java.io.StringReader(xml)); anXMLMarshaller.getTransformer().transform(source, result); } listener.setMarshalledObject(null); listener.setMarshalledObjectRootQName(null); listener.setRootMarshalRecord(null); } } /** * Creates an XMLDocument with the specified XML rootElement for the DataObject. * @param dataObject specifies DataObject to be saved * @param rootElementURI the Target Namespace URI of the root XML element * @param rootElementName the Name of the root XML element * @return XMLDocument a new XMLDocument set with the specified parameters. */ @Override public XMLDocument createDocument(DataObject dataObject, String rootElementURI, String rootElementName) { SDOXMLDocument document = new SDOXMLDocument(); document.setRootObject(dataObject); document.setRootElementURI(rootElementURI); if (rootElementName != null) { document.setRootElementName(rootElementName); } Property globalProp = getHelperContext().getXSDHelper().getGlobalProperty(rootElementURI, rootElementName, true); if (null != globalProp) { document.setSchemaType(((SDOType) globalProp.getType()).getXsdType()); } document.setEncoding(SDOXMLDocument.DEFAULT_XML_ENCODING); document.setXMLVersion(SDOXMLDocument.DEFAULT_XML_VERSION); return document; } /** * INTERNAL: * Saves the DataObject as an XML document with the specified root element. * Same as * save(createDocument(dataObject, rootElementURI, rootElementName), * writer, null); * * @param rootObject specifies DataObject to be saved * @param rootElementURI the Target Namespace URI of the root XML element * @param rootElementName the Name of the root XML element * @param writer specifies the Writer to write to. * @throws IllegalArgumentException if the dataObject tree * is not closed or has no container. */ private void save(DataObject rootObject, String rootElementURI, String rootElementName, Writer writer, XMLMarshaller anXMLMarshaller) throws XMLMarshalException { SDOXMLDocument xmlDocument = (SDOXMLDocument)createDocument(rootObject, rootElementURI, rootElementName); // Ask the SDOXMLDocument if we should include the XML declaration in the resulting XML anXMLMarshaller.setFragment(!xmlDocument.isXMLDeclaration()); WriterRecord writerRecord; if(anXMLMarshaller.isFormattedOutput()) { writerRecord = new FormattedWriterRecord(); } else { writerRecord = new WriterRecord(); } writerRecord.setWriter(writer); writerRecord.setMarshaller(anXMLMarshaller); SDOMarshalListener listener = ((SDOMarshalListener)anXMLMarshaller.getMarshalListener()); listener.setMarshalledObject(rootObject); listener.setMarshalledObjectRootQName(new QName(rootElementURI, rootElementName)); listener.setRootMarshalRecord(writerRecord); try{ anXMLMarshaller.marshal(xmlDocument, writerRecord); writerRecord.flush(); }catch(XMLMarshalException xme){ if(xme.getErrorCode() == XMLMarshalException.DESCRIPTOR_NOT_FOUND_IN_PROJECT){ if(aHelperContext != ((SDOType)rootObject.getType()).getHelperContext()){ throw SDOException.dataObjectNotFromHelperContext(); } } }finally{ listener.setMarshalledObject(null); listener.setMarshalledObjectRootQName(null); listener.setRootMarshalRecord(null); } try { writer.flush(); } catch(IOException ex) { throw XMLMarshalException.marshalException(ex); } } @Override public void setLoader(SDOClassLoader loader) { this.loader = loader; getXmlConversionManager().setLoader(this.loader); } @Override public SDOClassLoader getLoader() { return loader; } @Override public void setXmlContext(XMLContext xmlContext) { this.xmlContext = xmlContext; } @Override public synchronized XMLContext getXmlContext() { if (xmlContext == null) { xmlContext = new XMLContext(getTopLinkProject()); XMLConversionManager xmlConversionManager = getXmlConversionManager(); xmlConversionManager.setLoader(this.loader); xmlConversionManager.setTimeZone(TimeZone.getTimeZone("GMT")); xmlConversionManager.setTimeZoneQualified(true); } return xmlContext; } @Override public void initializeDescriptor(XMLDescriptor descriptor){ AbstractSession theSession = (AbstractSession)getXmlContext().getSession(); //do initialization for new descriptor; descriptor.preInitialize(theSession); descriptor.initialize(theSession); descriptor.postInitialize(theSession); descriptor.getObjectBuilder().initializePrimaryKey(theSession); getXmlContext().storeXMLDescriptorByQName(descriptor); } @Override public void addDescriptors(List types) { for (int i = 0; i < types.size(); i++) { SDOType nextType = (SDOType)types.get(i); if (!nextType.isDataType() && nextType.isFinalized()){ XMLDescriptor nextDescriptor = nextType.getXmlDescriptor(); getTopLinkProject().addDescriptor(nextDescriptor); } } for (int i = 0; i < types.size(); i++) { SDOType nextType = (SDOType)types.get(i); if (!nextType.isDataType() && nextType.isFinalized()){ XMLDescriptor nextDescriptor = nextType.getXmlDescriptor(); initializeDescriptor(nextDescriptor); } } } @Override public void setTopLinkProject(Project toplinkProject) { this.topLinkProject = toplinkProject; this.xmlContext = null; this.xmlMarshallerMap.clear(); this.xmlUnmarshallerMap.clear(); } @Override public Project getTopLinkProject() { if (topLinkProject == null) { topLinkProject = new Project(); XMLLogin xmlLogin = new XMLLogin(); xmlLogin.setEqualNamespaceResolvers(false); topLinkProject.setDatasourceLogin(xmlLogin); // 200606_changeSummary NamespaceResolver nr = new NamespaceResolver(); SDOTypeHelper sdoTypeHelper = (SDOTypeHelper) aHelperContext.getTypeHelper(); String sdoPrefix = sdoTypeHelper.getPrefix(SDOConstants.SDO_URL); nr.put(sdoPrefix, SDOConstants.SDO_URL); SDOType changeSummaryType = (SDOType) sdoTypeHelper.getType(SDOConstants.SDO_URL, SDOConstants.CHANGESUMMARY); changeSummaryType.getXmlDescriptor().setNamespaceResolver(nr); topLinkProject.addDescriptor(changeSummaryType.getXmlDescriptor()); SDOType openSequencedType = (SDOType) aHelperContext.getTypeHelper().getType(SDOConstants.ORACLE_SDO_URL, "OpenSequencedType"); topLinkProject.addDescriptor(openSequencedType.getXmlDescriptor()); SDOTypeType typeType = (SDOTypeType)aHelperContext.getTypeHelper().getType(SDOConstants.SDO_URL, SDOConstants.TYPE); typeType.getXmlDescriptor().setNamespaceResolver(nr); if(!typeType.isInitialized()) { typeType.initializeMappings(); } topLinkProject.addDescriptor(typeType.getXmlDescriptor()); SDOPropertyType propertyType = (SDOPropertyType)aHelperContext.getTypeHelper().getType(SDOConstants.SDO_URL, SDOConstants.PROPERTY); if(!propertyType.isInitialized()) { propertyType.initializeMappings(); } topLinkProject.addDescriptor(propertyType.getXmlDescriptor()); ((SDOTypeHelper)aHelperContext.getTypeHelper()).addWrappersToProject(topLinkProject); } return topLinkProject; } @Override public void setXmlMarshaller(XMLMarshaller xmlMarshaller) { this.xmlMarshallerMap.put(Thread.currentThread(), xmlMarshaller); } @Override public XMLMarshaller getXmlMarshaller() { XMLMarshaller marshaller = xmlMarshallerMap.get(Thread.currentThread()); if (marshaller == null) { marshaller = getXmlContext().createMarshaller(); marshaller.setMarshalListener(new SDOMarshalListener(marshaller, (SDOTypeHelper) aHelperContext.getTypeHelper())); xmlMarshallerMap.put(Thread.currentThread(), marshaller); } XMLContext context = getXmlContext(); if (marshaller.getXMLContext() != context) { marshaller.setXMLContext(context); } return marshaller; } private XMLMarshaller getXmlMarshaller(Object options) { XMLMarshaller xmlMarshaller = getXmlMarshaller().clone(); if(null == options) { return xmlMarshaller; } try { DataObject optionsDO = (DataObject) options; if(optionsDO.isSet(SDOConstants.ATTACHMENT_MARSHALLER_OPTION)) { xmlMarshaller.setAttachmentMarshaller((XMLAttachmentMarshaller)optionsDO.get(SDOConstants.ATTACHMENT_MARSHALLER_OPTION)); } xmlMarshaller.setMarshalListener(new SDOMarshalListener(xmlMarshaller, (SDOTypeHelper) aHelperContext.getTypeHelper())); return xmlMarshaller; } catch(ClassCastException ccException) { throw SDOException.optionsMustBeADataObject(ccException, SDOConstants.ORACLE_SDO_URL ,SDOConstants.XMLHELPER_LOAD_OPTIONS); } } @Override public void setXmlUnmarshaller(XMLUnmarshaller xmlUnmarshaller) { this.xmlUnmarshallerMap.put(Thread.currentThread(), xmlUnmarshaller); } @Override public XMLUnmarshaller getXmlUnmarshaller() { XMLUnmarshaller unmarshaller = xmlUnmarshallerMap.get(Thread.currentThread()); if (null == unmarshaller) { unmarshaller = getXmlContext().createUnmarshaller(); unmarshaller.getProperties().put(SDOConstants.SDO_HELPER_CONTEXT, aHelperContext); unmarshaller.setUnmappedContentHandlerClass(SDOUnmappedContentHandler.class); unmarshaller.setUnmarshalListener(new SDOUnmarshalListener(aHelperContext)); unmarshaller.setResultAlwaysXMLRoot(true); xmlUnmarshallerMap.put(Thread.currentThread(), unmarshaller); } XMLContext context = getXmlContext(); if (unmarshaller.getXMLContext() != context) { unmarshaller.setXMLContext(context); } return unmarshaller; } private XMLUnmarshaller getXmlUnmarshaller(Object options) { XMLUnmarshaller xmlUnmarshaller = getXmlUnmarshaller().clone(); if(null == options) { return xmlUnmarshaller; } try { DataObject optionsDO = (DataObject) options; if(optionsDO.isSet(SDOConstants.ATTACHMENT_UNMARSHALLER_OPTION)) { xmlUnmarshaller.setAttachmentUnmarshaller((XMLAttachmentUnmarshaller)optionsDO.get(SDOConstants.ATTACHMENT_UNMARSHALLER_OPTION)); } return xmlUnmarshaller; } catch(ClassCastException ccException) { throw SDOException.optionsMustBeADataObject(ccException, SDOConstants.ORACLE_SDO_URL ,SDOConstants.XMLHELPER_LOAD_OPTIONS); } } @Override public void reset() { setTopLinkProject(null); setXmlContext(null); this.xmlMarshallerMap.clear(); this.xmlUnmarshallerMap.clear(); setLoader(new SDOClassLoader(getClass().getClassLoader(), aHelperContext)); } @Override public HelperContext getHelperContext() { return aHelperContext; } @Override public void setHelperContext(HelperContext helperContext) { aHelperContext = helperContext; } private void handleXMLMarshalException(XMLMarshalException xmlException) throws IOException { if(xmlException.getErrorCode() == XMLMarshalException.NO_DESCRIPTOR_WITH_MATCHING_ROOT_ELEMENT || xmlException.getErrorCode() == XMLMarshalException.DESCRIPTOR_NOT_FOUND_IN_PROJECT){ throw SDOException.globalPropertyNotFound(); } else if (xmlException.getCause() instanceof IOException) { throw (IOException) xmlException.getCause(); } else{ throw xmlException; } } @Override public XMLConversionManager getXmlConversionManager() { return (XMLConversionManager) getXmlContext().getSession().getDatasourceLogin().getDatasourcePlatform().getConversionManager(); } }




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