/**
* 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.cxf.jaxrs.provider.xmlbeans;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.Reader;
import java.lang.annotation.Annotation;
import java.lang.reflect.Type;
import java.net.HttpURLConnection;
import java.util.HashMap;
import java.util.Map;
import javax.ws.rs.Consumes;
import javax.ws.rs.Produces;
import javax.ws.rs.WebApplicationException;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.MultivaluedMap;
import javax.ws.rs.ext.Provider;
import javax.xml.stream.XMLOutputFactory;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import javax.xml.stream.XMLStreamWriter;
import org.apache.xmlbeans.XmlObject;
import org.codehaus.jettison.mapped.MappedXMLInputFactory;
import org.codehaus.jettison.mapped.MappedXMLOutputFactory;
/**
* JSON provider for XMLBeans data objects.
*/
@Produces("application/json")
@Consumes("application/json")
@Provider
public class XMLBeansJSONProvider extends XMLBeansElementProvider {
/** {@inheritDoc} */
@Override
public XmlObject readFrom(Class<XmlObject> type, Type genericType,
Annotation[] annotations, MediaType m,
MultivaluedMap<String, String> headers, InputStream is)
throws IOException {
XmlObject result = null;
try {
Map<String, String> nstojns = new HashMap<String, String>();
MappedXMLInputFactory factory = new MappedXMLInputFactory(nstojns);
XMLStreamReader xsr = factory.createXMLStreamReader(is);
Reader r = (Reader)xsr;
result = parseXmlBean(type, r);
xsr.close();
result = null;
} catch (XMLStreamException e) {
throw new WebApplicationException(HttpURLConnection.HTTP_INTERNAL_ERROR);
}
return result;
}
/** {@inheritDoc} */
@Override
public void writeTo(XmlObject obj, Class<?> cls, Type genericType, Annotation[] annotations,
MediaType m, MultivaluedMap<String, Object> headers, OutputStream os) {
try {
// Set up the JSON StAX implementation
Map<String, String> nstojns = new HashMap<String, String>();
XMLOutputFactory factory = new MappedXMLOutputFactory(nstojns);
XMLStreamWriter xsw = factory.createXMLStreamWriter(os);
xsw.writeStartDocument();
if (obj != null) {
XmlObject xObj = obj;
XMLBeanStreamSerializer ser = new XMLBeanStreamSerializer();
ser.serialize(xObj, xsw);
}
xsw.flush();
xsw.close();
} catch (XMLStreamException e) {
throw new WebApplicationException(HttpURLConnection.HTTP_INTERNAL_ERROR);
} catch (IOException ioe) {
throw new WebApplicationException(HttpURLConnection.HTTP_INTERNAL_ERROR);
}
}
}