/*******************************************************************************
* Copyright (c) 1998, 2009 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.internal.oxm.record;
import java.io.IOException;
import org.xml.sax.ContentHandler;
import org.xml.sax.DTDHandler;
import org.xml.sax.EntityResolver;
import org.xml.sax.ErrorHandler;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
import org.xml.sax.SAXNotRecognizedException;
import org.xml.sax.SAXNotSupportedException;
import org.eclipse.persistence.internal.oxm.record.namespaces.StackUnmarshalNamespaceResolver;
import org.eclipse.persistence.internal.sessions.AbstractSession;
import org.eclipse.persistence.oxm.mappings.XMLMapping;
/**
* INTERNAL:
* <p><b>Purpose:</b>Provide a wrapper for an org.xml.sax.XMLReader instance and define some extra
* event methods that can be used by TopLink during the unmarshal process. These events are no ops
* in this class, but may be overridden in subclasses.
* <p><b>Responsibilities</b><ul>
* <li>Wrap an instance of org.xml.sax.XMLReader and provide all the required API</li>
* <li>Provide empty implementations of some callback methods that can be overridden in subclasses</li>
*
* @see org.eclipse.persistence.internal.oxm.record.DOMReader
* @author mmacivor
* @since release specific (what release of product did this appear in)
*/
public class XMLReader implements org.xml.sax.XMLReader {
private org.xml.sax.XMLReader reader;
public XMLReader(org.xml.sax.XMLReader internalReader) {
this.reader = internalReader;
}
public XMLReader() {}
public boolean getFeature (String name) throws SAXNotRecognizedException, SAXNotSupportedException {
return reader.getFeature(name);
}
public void setFeature (String name, boolean value) throws SAXNotRecognizedException, SAXNotSupportedException {
reader.setFeature(name, value);
}
public Object getProperty (String name) throws SAXNotRecognizedException, SAXNotSupportedException {
return reader.getProperty(name);
}
public void setProperty (String name, Object value) throws SAXNotRecognizedException, SAXNotSupportedException {
reader.setProperty(name, value);
}
public void setEntityResolver (EntityResolver resolver) {
reader.setEntityResolver(resolver);
}
public EntityResolver getEntityResolver () {
return reader.getEntityResolver();
}
public void setDTDHandler (DTDHandler handler) {
reader.setDTDHandler(handler);
}
public DTDHandler getDTDHandler () {
return reader.getDTDHandler();
}
public void setContentHandler (ContentHandler handler) {
reader.setContentHandler(handler);
}
public ContentHandler getContentHandler () {
return reader.getContentHandler();
}
public void setErrorHandler (ErrorHandler handler) {
reader.setErrorHandler(handler);
}
public ErrorHandler getErrorHandler () {
return reader.getErrorHandler();
}
public void parse(InputSource input) throws IOException, SAXException {
reader.parse(input);
}
public void parse(InputSource input, SAXUnmarshallerHandler saxUnmarshallerHandler) throws IOException, SAXException {
saxUnmarshallerHandler.setUnmarshalNamespaceResolver(new StackUnmarshalNamespaceResolver());
reader.parse(input);
}
public void parse (String systemId) throws IOException, SAXException {
reader.parse(systemId);
}
public void newObjectEvent(Object object, Object parent, XMLMapping selfRecordMapping) {
//no op in this class.
}
public Object getCurrentObject(AbstractSession session, XMLMapping selfRecordMapping) {
return null;
}
}