/**
* 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.wls;
import org.xml.sax.SAXException;
import org.xml.sax.InputSource;
import org.xml.sax.XMLReader;
import org.xml.sax.Attributes;
import org.xml.sax.helpers.XMLFilterImpl;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBException;
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 java.util.Set;
import java.util.Map;
import java.util.HashMap;
import java.util.TreeSet;
import java.io.ByteArrayOutputStream;
import java.io.OutputStream;
import java.io.InputStream;
import java.io.ByteArrayInputStream;
import java.io.IOException;
/**
* @version $Rev: 607077 $ $Date: 2007-12-27 06:55:23 -0800 (Thu, 27 Dec 2007) $
*/
public class JaxbWls {
public static final ThreadLocal<Set<String>> currentPublicId = new ThreadLocal<Set<String>>();
private static Map<Class<?>, JAXBContext> jaxbContexts = new HashMap<Class<?>,JAXBContext>();
public static <T>String marshal(Class<T> type, Object object) throws JAXBException {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
JaxbWls.marshal(type, object, baos);
return new String(baos.toByteArray());
}
public static <T>void marshal(Class<T> type, Object object, OutputStream out) throws JAXBException {
JAXBContext ctx2 = JaxbWls.getContext(type);
Marshaller marshaller = ctx2.createMarshaller();
marshaller.setProperty("jaxb.formatted.output", true);
marshaller.marshal(object, out);
}
private static <T>JAXBContext getContext(Class<T> type) throws JAXBException {
JAXBContext jaxbContext = JaxbWls.jaxbContexts.get(type);
if (jaxbContext == null) {
jaxbContext = JAXBContext.newInstance(type);
JaxbWls.jaxbContexts.put(type, jaxbContext);
}
return jaxbContext;
}
public static <T>Object unmarshal(Class<T> type, InputStream in) throws ParserConfigurationException, SAXException, JAXBException {
InputSource inputSource = new InputSource(in);
SAXParserFactory factory = SAXParserFactory.newInstance();
factory.setNamespaceAware(true);
factory.setValidating(false);
SAXParser parser = factory.newSAXParser();
JAXBContext ctx = JaxbWls.getContext(type);
Unmarshaller unmarshaller = ctx.createUnmarshaller();
unmarshaller.setEventHandler(new ValidationEventHandler(){
public boolean handleEvent(ValidationEvent validationEvent) {
System.out.println(validationEvent);
return false;
}
});
JaxbWls.NamespaceFilter xmlFilter = new JaxbWls.NamespaceFilter(parser.getXMLReader());
xmlFilter.setContentHandler(unmarshaller.getUnmarshallerHandler());
SAXSource source = new SAXSource(xmlFilter, inputSource);
JaxbWls.currentPublicId.set(new TreeSet<String>());
try {
return unmarshaller.unmarshal(source);
} finally {
JaxbWls.currentPublicId.set(null);
}
}
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 {
Set<String> publicIds = JaxbWls.currentPublicId.get();
if (publicIds != null) {
publicIds.add(publicId);
}
return JaxbWls.NamespaceFilter.EMPTY_INPUT_SOURCE;
}
public void startElement(String uri, String localName, String qname, Attributes atts) throws SAXException {
super.startElement("http://www.bea.com/ns/weblogic/90", localName, qname, atts);
}
}
}