/* | |
* Copyright 2004,2005 The Apache Software Foundation. | |
* | |
* Licensed 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.axis2.rpc.receivers; | |
import org.apache.axiom.om.OMElement; | |
import org.apache.axiom.om.OMNamespace; | |
import org.apache.axiom.soap.SOAPEnvelope; | |
import org.apache.axiom.soap.SOAPFactory; | |
import org.apache.axis2.AxisFault; | |
import org.apache.axis2.context.MessageContext; | |
import org.apache.axis2.description.AxisMessage; | |
import org.apache.axis2.description.AxisOperation; | |
import org.apache.axis2.description.AxisService; | |
import org.apache.axis2.receivers.AbstractInOutAsyncMessageReceiver; | |
import org.apache.axis2.wsdl.WSDLConstants; | |
import org.apache.commons.logging.Log; | |
import org.apache.commons.logging.LogFactory; | |
import javax.xml.namespace.QName; | |
import java.lang.reflect.InvocationTargetException; | |
import java.lang.reflect.Method; | |
public class RPCInOutAsyncMessageReceiver extends AbstractInOutAsyncMessageReceiver { | |
private Method method; | |
private static Log log = LogFactory.getLog(RPCInOnlyMessageReceiver.class); | |
/** | |
* reflect and get the Java method | |
* - for each i'th param in the java method | |
* - get the first child's i'th child | |
* -if the elem has an xsi:type attr then find the deserializer for it | |
* - if not found, | |
* lookup deser for th i'th param (java type) | |
* - error if not found | |
* - deserialize & save in an object array | |
* - end for | |
* <p/> | |
* - invoke method and get the return value | |
* <p/> | |
* - look up serializer for return value based on the value and type | |
* <p/> | |
* - create response msg and add return value as grand child of <soap:body> | |
* | |
* @param inMessage | |
* @param outMessage | |
* @throws AxisFault | |
*/ | |
public void invokeBusinessLogic(MessageContext inMessage, MessageContext outMessage) throws AxisFault { | |
try { | |
// get the implementation class for the Web Service | |
Object obj = getTheImplementationObject(inMessage); | |
Class ImplClass = obj.getClass(); | |
AxisOperation op = inMessage.getOperationContext().getAxisOperation(); | |
AxisService service = inMessage.getAxisService(); | |
OMElement methodElement = inMessage.getEnvelope().getBody() | |
.getFirstElement(); | |
AxisMessage inaxisMessage = op.getMessage(WSDLConstants.MESSAGE_LABEL_IN_VALUE); | |
String messageNameSpace; | |
QName elementQName; | |
String methodName = op.getName().getLocalPart(); | |
Method[] methods = ImplClass.getMethods(); | |
for (int i = 0; i < methods.length; i++) { | |
if (methods[i].getName().equals(methodName)) { | |
this.method = methods[i]; | |
break; | |
} | |
} | |
Object resObject = null; | |
if (inaxisMessage != null) { | |
if (inaxisMessage.getElementQName() == null) { | |
// method accept empty SOAPbody | |
resObject = method.invoke(obj, new Object[0]); | |
} else { | |
elementQName = inaxisMessage.getElementQName(); | |
messageNameSpace = elementQName.getNamespaceURI(); | |
OMNamespace namespace = methodElement.getNamespace(); | |
if (messageNameSpace != null) { | |
if (namespace == null || !messageNameSpace.equals(namespace.getNamespaceURI())) { | |
throw new AxisFault("namespace mismatch require " + | |
messageNameSpace + | |
" found " + methodElement.getNamespace().getNamespaceURI()); | |
} | |
} else if (namespace != null) { | |
throw new AxisFault("namespace mismatch. Axis Oepration expects non-namespace " + | |
"qualified element. But received a namespace qualified element"); | |
} | |
Object[] objectArray = RPCUtil.processRequest(methodElement, | |
method, inMessage.getAxisService().getObjectSupplier()); | |
resObject = method.invoke(obj, objectArray); | |
} | |
} | |
SOAPFactory fac = getSOAPFactory(inMessage); | |
// Handling the response | |
OMNamespace ns = fac.createOMNamespace(service.getSchematargetNamespace(), | |
service.getSchematargetNamespacePrefix()); | |
SOAPEnvelope envelope = fac.getDefaultEnvelope(); | |
OMElement bodyContent = null; | |
RPCUtil.processResponse(resObject, service, | |
method, envelope, fac, ns, bodyContent, outMessage); | |
} catch (InvocationTargetException e) { | |
String msg = null; | |
Throwable cause = e.getCause(); | |
if (cause != null) { | |
msg = cause.getMessage(); | |
} | |
if (msg == null) { | |
msg = "Exception occurred while trying to invoke service method " + | |
method.getName(); | |
} | |
log.error(msg, e); | |
if (cause instanceof AxisFault) { | |
throw (AxisFault) cause; | |
} | |
throw new AxisFault(msg); | |
} catch (Exception e) { | |
String msg = "Exception occurred while trying to invoke service method " + | |
method.getName(); | |
log.error(msg, e); | |
throw new AxisFault(msg, e); | |
} | |
} | |
} |