org.apache.xmlrpc.jaxb.JaxbSerializer Maven / Gradle / Ivy
/*
* Copyright 1999,2005 The Apache Software Foundation.
*
* Licensed 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.xmlrpc.jaxb;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBException;
import org.apache.xmlrpc.serializer.ExtSerializer;
import org.xml.sax.Attributes;
import org.xml.sax.ContentHandler;
import org.xml.sax.Locator;
import org.xml.sax.SAXException;
/** A serializer for JAXB objects.
*/
public class JaxbSerializer extends ExtSerializer {
private final JAXBContext context;
/** The tag name for serializing JAXB objects.
*/
public static final String JAXB_TAG = "jaxb";
/** Creates a new instance with the given context.
* @param pContext The context being used for creating marshallers.
*/
public JaxbSerializer(JAXBContext pContext) {
context = pContext;
}
protected String getTagName() { return JAXB_TAG; }
protected void serialize(final ContentHandler pHandler, Object pObject) throws SAXException {
/* We must ensure, that startDocument() and endDocument() events
* are suppressed. So we replace the content handler with the following:
*/
ContentHandler h = new ContentHandler() {
public void endDocument() throws SAXException {}
public void startDocument() throws SAXException {}
public void characters(char[] pChars, int pOffset, int pLength) throws SAXException {
pHandler.characters(pChars, pOffset, pLength);
}
public void ignorableWhitespace(char[] pChars, int pOffset, int pLength) throws SAXException {
pHandler.ignorableWhitespace(pChars, pOffset, pLength);
}
public void endPrefixMapping(String pPrefix) throws SAXException {
pHandler.endPrefixMapping(pPrefix);
}
public void skippedEntity(String pName) throws SAXException {
pHandler.endPrefixMapping(pName);
}
public void setDocumentLocator(Locator pLocator) {
pHandler.setDocumentLocator(pLocator);
}
public void processingInstruction(String pTarget, String pData) throws SAXException {
pHandler.processingInstruction(pTarget, pData);
}
public void startPrefixMapping(String pPrefix, String pURI) throws SAXException {
pHandler.startPrefixMapping(pPrefix, pURI);
}
public void endElement(String pURI, String pLocalName, String pQName) throws SAXException {
pHandler.endElement(pURI, pLocalName, pQName);
}
public void startElement(String pURI, String pLocalName, String pQName, Attributes pAttrs) throws SAXException {
pHandler.startElement(pURI, pLocalName, pQName, pAttrs);
}
};
try {
context.createMarshaller().marshal(pObject, h);
} catch (JAXBException e) {
Throwable t = e.getLinkedException();
if (t != null && t instanceof SAXException) {
throw (SAXException) t;
} else {
throw new SAXException(e);
}
}
}
}