001 /*
002 *
003 * Licensed to the Apache Software Foundation (ASF) under one
004 * or more contributor license agreements. See the NOTICE file
005 * distributed with this work for additional information
006 * regarding copyright ownership. The ASF licenses this file
007 * to you under the Apache License, Version 2.0 (the
008 * "License"); you may not use this file except in compliance
009 * with the License. You may obtain a copy of the License at
010 *
011 * http://www.apache.org/licenses/LICENSE-2.0
012 *
013 * Unless required by applicable law or agreed to in writing,
014 * software distributed under the License is distributed on an
015 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
016 * KIND, either express or implied. See the License for the
017 * specific language governing permissions and limitations
018 * under the License.
019 *
020 */
021 package org.apache.qpid.management.wsdm.capabilities;
022
023 import java.lang.reflect.Method;
024
025 import javax.xml.namespace.QName;
026
027 import org.apache.muse.core.routing.ReflectionMessageHandler;
028 import org.apache.muse.core.serializer.Serializer;
029 import org.apache.muse.core.serializer.SerializerRegistry;
030 import org.apache.muse.util.xml.XmlUtils;
031 import org.apache.muse.ws.addressing.soap.SoapFault;
032 import org.apache.qpid.management.wsdm.muse.serializer.ByteArraySerializer;
033 import org.w3c.dom.Element;
034
035 /**
036 * JMXConnectionListener_example custom implementation of Muse message handler to properly deal with
037 * byte arrays.
038 *
039 * @author Andrea Gazzarini
040 */
041 public class QManMessageHandler extends ReflectionMessageHandler
042 {
043
044 /**
045 * Builds a new message handler with the given arguments.
046 *
047 * @param actionURI the action URI.
048 * @param requestQName the qname of the incoming request.
049 * @param returnValueName the qname of the result value.
050 */
051 public QManMessageHandler(String actionURI, QName requestQName,
052 QName returnValueName)
053 {
054 super(actionURI, requestQName, returnValueName);
055 }
056
057 /**
058 * Transforms the given xml element in the corresponding
059 * object representation.
060 *
061 * @throws SoapFaul when unmarshal operation fails.
062 */
063 @SuppressWarnings("unchecked")
064 public Object[] fromXML(Element xml) throws SoapFault
065 {
066 Method method = getMethod();
067
068 if (xml == null )
069 {
070 return EMPTY_REQUEST;
071 }
072
073 Class[] parameters = method.getParameterTypes();
074 Object[] objects = new Object[parameters.length];
075
076 Element[] elements = XmlUtils.getAllElements(xml);
077
078 if (parameters.length == 1 && elements.length == 0)
079 {
080 elements = new Element[]{ xml };
081 }
082
083 if (elements.length != parameters.length)
084 {
085 throw new SoapFault("IncorrectParams");
086 }
087
088 SerializerRegistry registry = SerializerRegistry.getInstance();
089
090 for (int i = 0; i < elements.length; ++i)
091 {
092 Class clazz = parameters[i];
093 if (clazz == byte[].class)
094 {
095 objects[i] = new ByteArraySerializer().fromXML(elements[i]);
096 } else
097 {
098 Serializer ser = registry.getSerializer(parameters[i]);
099 objects[i] = ser.fromXML(elements[i]);
100 }
101 }
102 return objects;
103 }
104 }
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