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/*
* 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.tuscany.sca.binding.jms.wireformat.jmsobject.runtime;
import java.util.HashMap;
import javax.jms.Session;
import org.apache.tuscany.sca.binding.jms.JMSBinding;
import org.apache.tuscany.sca.binding.jms.context.JMSBindingContext;
import org.apache.tuscany.sca.binding.jms.provider.JMSMessageProcessor;
import org.apache.tuscany.sca.binding.jms.provider.JMSMessageProcessorUtil;
import org.apache.tuscany.sca.binding.jms.provider.JMSResourceFactory;
import org.apache.tuscany.sca.binding.jms.provider.ObjectMessageProcessor;
import org.apache.tuscany.sca.binding.jms.wireformat.WireFormatJMSObject;
import org.apache.tuscany.sca.core.ExtensionPointRegistry;
import org.apache.tuscany.sca.core.invocation.InterceptorAsyncImpl;
import org.apache.tuscany.sca.interfacedef.Operation;
import org.apache.tuscany.sca.invocation.Interceptor;
import org.apache.tuscany.sca.invocation.Invoker;
import org.apache.tuscany.sca.invocation.Message;
import org.apache.tuscany.sca.runtime.RuntimeEndpoint;
/**
* Policy handler to handle PolicySet related to Logging with the QName
* {http://tuscany.apache.org/xmlns/sca/1.1/impl/java}LoggingPolicy
*
* @version $Rev$ $Date$
*/
public class WireFormatJMSObjectServiceInterceptor extends InterceptorAsyncImpl {
private Invoker next;
private RuntimeEndpoint endpoint;
private JMSResourceFactory jmsResourceFactory;
private JMSBinding jmsBinding;
private JMSMessageProcessor requestMessageProcessor;
private JMSMessageProcessor responseMessageProcessor;
private HashMap<String,Class<?>> singleArgMap;
private boolean wrapSingle;
public WireFormatJMSObjectServiceInterceptor(ExtensionPointRegistry registry, JMSResourceFactory jmsResourceFactory,
RuntimeEndpoint endpoint, HashMap<String, Class<?>> singleArgMap, boolean wrapSingle) {
super();
this.jmsBinding = (JMSBinding) endpoint.getBinding();
this.endpoint = endpoint;
this.jmsResourceFactory = jmsResourceFactory;
this.requestMessageProcessor = JMSMessageProcessorUtil.getRequestMessageProcessor(registry, jmsBinding);
this.responseMessageProcessor = JMSMessageProcessorUtil.getResponseMessageProcessor(registry, jmsBinding);
this.singleArgMap = singleArgMap;
this.wrapSingle = wrapSingle;
}
public Message invoke(Message msg) {
if (jmsBinding.getRequestWireFormat() instanceof WireFormatJMSObject){
msg = invokeRequest(msg);
}
msg = getNext().invoke(msg);
//if it's oneway return back
Operation operation = msg.getOperation();
if (operation != null && operation.isNonBlocking()) {
return msg;
}
if (jmsBinding.getResponseWireFormat() instanceof WireFormatJMSObject){
msg = invokeResponse(msg);
}
return msg;
}
public Message invokeRequest(Message msg) {
// get the jms context
JMSBindingContext context = msg.getBindingContext();
javax.jms.Message jmsMsg = context.getJmsMsg();
Object requestPayload;
// If the service interface has a single argument then we need
// to check if the object from the wire is expected
// to be unwrapped or not
//
Class<?> argType = this.singleArgMap.get(msg.getOperation().getName());
if (argType == null) {
requestPayload = requestMessageProcessor.extractPayloadFromJMSMessage(jmsMsg);
}else {
requestPayload = ((ObjectMessageProcessor)requestMessageProcessor).extractPayloadFromJMSMessageForSingleParamOperation(jmsMsg, argType, wrapSingle);
}
if (requestPayload != null && requestPayload.getClass().isArray()) {
msg.setBody(requestPayload);
} else if (requestPayload == null) {
msg.setBody(new Object[0]);
} else {
msg.setBody(new Object[] {requestPayload});
}
return msg;
}
public Message invokeResponse(Message msg) {
// get the jms context
JMSBindingContext context = msg.getBindingContext();
// The Binding Context may be null on an asynchronous response - in which case, create a new one
if(context == null) {
context = createBindingContext();
msg.setBindingContext(context);
}
Session session = context.getJmsResponseSession();
javax.jms.Message responseJMSMsg = null;
if (msg.isFault()) {
responseJMSMsg = responseMessageProcessor.createFaultMessage(session, (Throwable)msg.getBody());
} else {
responseJMSMsg = responseMessageProcessor.insertPayloadIntoJMSMessage(session, msg.getBody());
}
msg.setBody(responseJMSMsg);
return msg;
}
public Invoker getNext() {
return next;
}
public void setNext(Invoker next) {
this.next = next;
}
private JMSBindingContext createBindingContext() {
JMSBindingContext context = new JMSBindingContext();
context.setJmsResourceFactory(jmsResourceFactory);
return context;
}
public Message processRequest(Message msg) {
return invokeRequest(msg);
} // end method processRequest
public Message processResponse(Message msg) {
return invokeResponse(msg);
} // end method processResponse
}
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