001    /**
002     * Licensed to the Apache Software Foundation (ASF) under one or more
003     * contributor license agreements.  See the NOTICE file distributed with
004     * this work for additional information regarding copyright ownership.
005     * The ASF licenses this file to You under the Apache License, Version 2.0
006     * (the "License"); you may not use this file except in compliance with
007     * the License.  You may obtain a copy of the License at
008     *
009     *      http://www.apache.org/licenses/LICENSE-2.0
010     *
011     * Unless required by applicable law or agreed to in writing, software
012     * distributed under the License is distributed on an "AS IS" BASIS,
013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     * See the License for the specific language governing permissions and
015     * limitations under the License.
016     */
017    package org.apache.camel.component.cxf;
018    
019    import javax.xml.stream.XMLStreamReader;
020    import javax.xml.stream.XMLStreamWriter;
021    
022    import org.w3c.dom.Node;
023    
024    import org.apache.cxf.databinding.DataReader;
025    import org.apache.cxf.databinding.DataWriter;
026    import org.apache.cxf.databinding.source.NodeDataReader;
027    import org.apache.cxf.databinding.source.NodeDataWriter;
028    import org.apache.cxf.databinding.source.XMLStreamDataReader;
029    import org.apache.cxf.databinding.source.XMLStreamDataWriter;
030    import org.apache.cxf.jaxb.JAXBDataBinding;
031    
032    /**
033     * This is a hybrid DataBinding of {@link JAXBDataBinding} and {@link org.apache.cxf.databinding.source.SourceDataBinding}.
034     * Like the SourceDataBinding, this DataBinding de/serializes parameters as DOMSource objects.  And like the JAXBDataBinding, the 
035     * {@link #initialize(org.apache.cxf.service.Service)}
036     * method can initialize the service model's message part schema based on the service class in the message part info.  
037     * Hence, this DataBinding supports DOMSource object de/serialization without requiring users to provide a WSDL.
038     * 
039     * @version @Revision: 789534 $
040     */
041    public class HybridSourceDataBinding extends JAXBDataBinding {
042        private XMLStreamDataReader xsrReader;
043        private XMLStreamDataWriter xswWriter;
044        private NodeDataWriter nodeWriter;
045        private NodeDataReader nodeReader;
046        
047        public HybridSourceDataBinding() {
048            super();
049            this.xsrReader = new XMLStreamDataReader();
050            this.xswWriter = new XMLStreamDataWriter();
051    
052            this.nodeReader = new NodeDataReader();
053            this.nodeWriter = new NodeDataWriter(); 
054        }
055        
056        @SuppressWarnings("unchecked")
057        @Override
058        public <T> DataReader<T> createReader(Class<T> cls) {
059            if (cls == XMLStreamReader.class) {
060                return (DataReader<T>) xsrReader;
061            } else if (cls == Node.class) {
062                return (DataReader<T>) nodeReader;
063            } else {
064                throw new UnsupportedOperationException("The type " + cls.getName() + " is not supported.");
065            }
066        }
067    
068        @Override
069        public Class<?>[] getSupportedReaderFormats() {
070            return new Class[] {XMLStreamReader.class, Node.class};
071        }
072        
073        @SuppressWarnings("unchecked")
074        @Override
075        public <T> DataWriter<T> createWriter(Class<T> cls) {
076            if (cls == XMLStreamWriter.class) {
077                return (DataWriter<T>) xswWriter;
078            } else if (cls == Node.class) {
079                return (DataWriter<T>) nodeWriter;
080            } else {
081                throw new UnsupportedOperationException("The type " + cls.getName() + " is not supported.");
082            }
083        }
084        
085        @Override
086        public Class<?>[] getSupportedWriterFormats() {
087            return new Class[] {XMLStreamWriter.class, Node.class};
088        }
089    }