/*******************************************************************************
* Copyright (c) 1998, 2008 Oracle. All rights reserved.
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0
* which accompanies this distribution.
* The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
* and the Eclipse Distribution License is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* Contributors:
* Oracle - initial API and implementation from Oracle TopLink
******************************************************************************/
package org.eclipse.persistence.jaxb;
import java.util.Iterator;
import javax.xml.bind.Binder;
import javax.xml.bind.Marshaller;
import javax.xml.bind.SchemaOutputResolver;
import javax.xml.bind.Unmarshaller;
import javax.xml.bind.Validator;
import javax.xml.namespace.QName;
import java.util.HashMap;
import org.eclipse.persistence.oxm.XMLContext;
import org.eclipse.persistence.internal.sessions.AbstractSession;
import org.eclipse.persistence.jaxb.compiler.Generator;
import org.eclipse.persistence.jaxb.compiler.MarshalCallback;
import org.eclipse.persistence.jaxb.compiler.UnmarshalCallback;
/**
* INTERNAL:
* <p><b>Purpose:</b>Provide a TopLink implementation of the JAXBContext interface.
* <p><b>Responsibilities:</b><ul>
* <li>Create Marshaller instances</li>
* <li>Create Unmarshaller instances</li>
* <li>Create Binder instances</li>
* <li>Create Introspector instances</li>
* <li>Create Validator instances</li>
* <li>Generate Schema Files</li>
* <ul>
* <p>This is the TopLink JAXB 2.0 implementation of javax.xml.bind.JAXBContext. This class
* is created by the JAXBContextFactory and is used to create Marshallers, Unmarshallers, Validators,
* Binders and Introspectors. A JAXBContext can also be used to create Schema Files.
*
* @see javax.xml.bind.JAXBContext
* @see org.eclipse.persistence.jaxb.JAXBMarshaller
* @see org.eclipse.persistence.jaxb.JAXBUnmarshaller
* @see org.eclipse.persistence.jaxb.JAXBBinder
* @see org.eclipse.persistence.jaxb.JAXBIntrospector
*
* @author mmacivor
* @since Oracle TopLink 11.1.1.0.0
*/
public class JAXBContext extends javax.xml.bind.JAXBContext {
private XMLContext xmlContext;
private org.eclipse.persistence.jaxb.compiler.Generator generator;
private HashMap<Class, QName> generatedClassesToQName;
public JAXBContext(XMLContext context) {
super();
xmlContext = context;
}
public JAXBContext(XMLContext context, Generator generator) {
super();
this.xmlContext = context;
this.generator = generator;
this.generatedClassesToQName = generator.getMappingsGenerator().getGeneratedClassesToQName();
}
public XMLContext getXMLContext() {
return this.xmlContext;
}
public void generateSchema(SchemaOutputResolver outputResolver) {
if(generator == null) {
return;
}
generator.generateSchemaFiles(outputResolver, null);
}
public Marshaller createMarshaller() {
// create a JAXBIntrospector and set it on the marshaller
JAXBMarshaller marshaller = new JAXBMarshaller(xmlContext.createMarshaller(), new JAXBIntrospector(xmlContext));
if (generator != null && generator.hasMarshalCallbacks()) {
// initialize each callback in the map
for (Iterator callIt = generator.getMarshalCallbacks().keySet().iterator(); callIt.hasNext(); ) {
MarshalCallback cb = (MarshalCallback) generator.getMarshalCallbacks().get(callIt.next());
// TODO: what classloader do we want to use here?
cb.initialize(generator.getClass().getClassLoader());
}
marshaller.setMarshalCallbacks(generator.getMarshalCallbacks());
}
return marshaller;
}
public Unmarshaller createUnmarshaller() {
JAXBUnmarshaller unmarshaller = new JAXBUnmarshaller(xmlContext.createUnmarshaller());
if (generator != null && generator.hasUnmarshalCallbacks()) {
// initialize each callback in the map
for (Iterator callIt = generator.getUnmarshalCallbacks().keySet().iterator(); callIt.hasNext(); ) {
UnmarshalCallback cb = (UnmarshalCallback) generator.getUnmarshalCallbacks().get(callIt.next());
// TODO: what classloader do we want to use here?
cb.initialize(generator.getClass().getClassLoader());
}
unmarshaller.setUnmarshalCallbacks(generator.getUnmarshalCallbacks());
}
unmarshaller.setGeneratedClassesToQName(this.generatedClassesToQName);
return unmarshaller;
}
public Validator createValidator() {
return new JAXBValidator(xmlContext.createValidator());
}
public Binder createBinder() {
return new JAXBBinder(this.xmlContext);
}
public JAXBIntrospector createJAXBIntrospector() {
return new JAXBIntrospector(xmlContext);
}
public void setGeneratedClassesToQName(HashMap<Class, QName> classesToQName) {
this.generatedClassesToQName = classesToQName;
}
/**
* ADVANCED:
* Adjust the OXM metadata to take into accound ORM mapping metadata,
*/
public void applyORMMetadata(AbstractSession ormSession) {
this.xmlContext.applyORMMetadata(ormSession);
}
}