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Diffstat (limited to 'branches/sca-java-2.0-M4/modules/binding-jms-runtime/src/main/java/org/apache/tuscany/sca/binding/jms/wireformat/jmsobject/runtime/WireFormatJMSObjectReferenceInterceptor.java')
-rw-r--r-- | branches/sca-java-2.0-M4/modules/binding-jms-runtime/src/main/java/org/apache/tuscany/sca/binding/jms/wireformat/jmsobject/runtime/WireFormatJMSObjectReferenceInterceptor.java | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/branches/sca-java-2.0-M4/modules/binding-jms-runtime/src/main/java/org/apache/tuscany/sca/binding/jms/wireformat/jmsobject/runtime/WireFormatJMSObjectReferenceInterceptor.java b/branches/sca-java-2.0-M4/modules/binding-jms-runtime/src/main/java/org/apache/tuscany/sca/binding/jms/wireformat/jmsobject/runtime/WireFormatJMSObjectReferenceInterceptor.java new file mode 100644 index 0000000000..e82a1d8ffe --- /dev/null +++ b/branches/sca-java-2.0-M4/modules/binding-jms-runtime/src/main/java/org/apache/tuscany/sca/binding/jms/wireformat/jmsobject/runtime/WireFormatJMSObjectReferenceInterceptor.java @@ -0,0 +1,141 @@ +/* + * 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.lang.reflect.InvocationTargetException; +import java.util.HashMap; + +import javax.jms.JMSException; +import javax.jms.Session; + +import org.apache.tuscany.sca.binding.jms.JMSBinding; +import org.apache.tuscany.sca.binding.jms.JMSBindingException; +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.invocation.Interceptor; +import org.apache.tuscany.sca.invocation.Invoker; +import org.apache.tuscany.sca.invocation.Message; +import org.apache.tuscany.sca.runtime.RuntimeWire; + +/** + * + * @version $Rev$ $Date$ + */ +public class WireFormatJMSObjectReferenceInterceptor implements Interceptor { + + private Invoker next; + private RuntimeWire runtimeWire; + private JMSResourceFactory jmsResourceFactory; + private JMSBinding jmsBinding; + private JMSMessageProcessor requestMessageProcessor; + private JMSMessageProcessor responseMessageProcessor; + + private HashMap<String, String> singleArgMap; + + public WireFormatJMSObjectReferenceInterceptor(JMSBinding jmsBinding, JMSResourceFactory jmsResourceFactory, RuntimeWire runtimeWire, HashMap<String, String> hashMap) { + super(); + this.jmsBinding = jmsBinding; + this.runtimeWire = runtimeWire; + this.jmsResourceFactory = jmsResourceFactory; + this.requestMessageProcessor = JMSMessageProcessorUtil.getRequestMessageProcessor(jmsBinding); + this.responseMessageProcessor = JMSMessageProcessorUtil.getResponseMessageProcessor(jmsBinding); + this.singleArgMap = hashMap; + } + + public Message invoke(Message msg) { + if (jmsBinding.getRequestWireFormat() instanceof WireFormatJMSObject){ + msg = invokeRequest(msg); + } + + msg = getNext().invoke(msg); + + if (jmsBinding.getResponseWireFormat() instanceof WireFormatJMSObject){ + msg = invokeResponse(msg); + } + + return msg; + } + + public Message invokeRequest(Message msg) { + try { + // get the jms context + JMSBindingContext context = msg.getBindingContext(); + Session session = context.getJmsSession(); + + javax.jms.Message requestMsg; + + // Tuscany automatically wraps operation arguments in an array before we + // get to this point so here we need to decide how they are going to appear + // on the wire. + // + // If the operation has a single parameter and the user has set @wrapSingle=false + // then + // send the single parameter out onto the wire unwrapped + // else + // send out the message as is + // + if (singleArgMap.get(msg.getOperation().getName()) == null) { + requestMsg = requestMessageProcessor.insertPayloadIntoJMSMessage(session, msg.getBody()); + } else { + // we know that wrapSinle is set to false here as the provider only + // populates singleArgMap if it is set false + requestMsg = ((ObjectMessageProcessor) requestMessageProcessor).createJMSMessageForSingleParamOperation(session, msg.getBody(), false); + } + + msg.setBody(requestMsg); + + requestMsg.setJMSReplyTo(context.getReplyToDestination()); + + return msg; + } catch (JMSException e) { + throw new JMSBindingException(e); + } + } + + public Message invokeResponse(Message msg) { + if (msg.getBody() != null){ + Object response = responseMessageProcessor.extractPayloadFromJMSMessage((javax.jms.Message)msg.getBody()); + + if (response instanceof InvocationTargetException) { + msg.setFaultBody(((InvocationTargetException) response).getCause()); + } else { + if (response != null){ + msg.setBody(response); + } else { + msg.setBody(null); + } + } + } + + return msg; + } + + public Invoker getNext() { + return next; + } + + public void setNext(Invoker next) { + this.next = next; + } +} |