/**
* 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.openejb.jee.sun;
import java.io.ByteArrayOutputStream;
import java.io.InputStream;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import javax.xml.bind.JAXBException;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.Marshaller;
import javax.xml.bind.Unmarshaller;
import javax.xml.bind.ValidationEventHandler;
import javax.xml.bind.ValidationEvent;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.parsers.SAXParserFactory;
import javax.xml.parsers.SAXParser;
import javax.xml.transform.sax.SAXSource;
import org.xml.sax.SAXException;
import org.xml.sax.InputSource;
import org.xml.sax.XMLReader;
import org.xml.sax.helpers.XMLFilterImpl;
/**
* @version $Rev: 607077 $ $Date: 2007-12-27 06:55:23 -0800 (Thu, 27 Dec 2007) $
*/
public class JaxbSun {
public static <T>String marshal(Class<T> type, Object object) throws JAXBException {
JAXBContext ctx2 = JAXBContext.newInstance(type);
Marshaller marshaller = ctx2.createMarshaller();
marshaller.setProperty("jaxb.formatted.output", true);
ByteArrayOutputStream baos = new ByteArrayOutputStream();
marshaller.marshal(object, baos);
return new String(baos.toByteArray());
}
public static <T>Object unmarshal(Class<T> type, InputStream in) throws ParserConfigurationException, SAXException, JAXBException {
return JaxbSun.unmarshal(type, in, true);
}
public static <T>Object unmarshal(Class<T> type, InputStream in, final boolean logErrors) throws ParserConfigurationException, SAXException, JAXBException {
// create a parser with validation disabled
SAXParserFactory factory = SAXParserFactory.newInstance();
factory.setNamespaceAware(true);
factory.setValidating(false);
SAXParser parser = factory.newSAXParser();
// Get the JAXB context -- this should be cached
JAXBContext ctx = JAXBContext.newInstance(type);
// get the unmarshaller
Unmarshaller unmarshaller = ctx.createUnmarshaller();
// log errors?
unmarshaller.setEventHandler(new ValidationEventHandler(){
public boolean handleEvent(ValidationEvent validationEvent) {
if (logErrors) {
System.out.println(validationEvent);
}
return false;
}
});
// add our XMLFilter which disables dtd downloading
NamespaceFilter xmlFilter = new NamespaceFilter(parser.getXMLReader());
xmlFilter.setContentHandler(unmarshaller.getUnmarshallerHandler());
// Wrap the input stream with our filter
SAXSource source = new SAXSource(xmlFilter, new InputSource(in));
// unmarshal the document
return unmarshaller.unmarshal(source);
}
// todo Inject the proper namespace
public static class NamespaceFilter extends XMLFilterImpl {
private static final InputSource EMPTY_INPUT_SOURCE = new InputSource(new ByteArrayInputStream(new byte[0]));
public NamespaceFilter(XMLReader xmlReader) {
super(xmlReader);
}
public InputSource resolveEntity(String publicId, String systemId) throws SAXException, IOException {
return EMPTY_INPUT_SOURCE;
}
}
}