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Diffstat (limited to 'sca-java-2.x/tags/2.0.1-RC1/modules/binding-jms-runtime/src/main/java/org/apache/tuscany/sca/binding/jms/wire/CallbackDestinationInterceptor.java')
| -rw-r--r-- | sca-java-2.x/tags/2.0.1-RC1/modules/binding-jms-runtime/src/main/java/org/apache/tuscany/sca/binding/jms/wire/CallbackDestinationInterceptor.java | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/binding-jms-runtime/src/main/java/org/apache/tuscany/sca/binding/jms/wire/CallbackDestinationInterceptor.java b/sca-java-2.x/tags/2.0.1-RC1/modules/binding-jms-runtime/src/main/java/org/apache/tuscany/sca/binding/jms/wire/CallbackDestinationInterceptor.java new file mode 100644 index 0000000000..8eaa414ae3 --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/binding-jms-runtime/src/main/java/org/apache/tuscany/sca/binding/jms/wire/CallbackDestinationInterceptor.java @@ -0,0 +1,130 @@ +/* + * 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.wire; + +import javax.jms.Destination; +import javax.jms.JMSException; +import javax.jms.Queue; +import javax.jms.Topic; + +import org.apache.tuscany.sca.binding.jms.JMSBinding; +import org.apache.tuscany.sca.binding.jms.JMSBindingConstants; +import org.apache.tuscany.sca.binding.jms.JMSBindingException; +import org.apache.tuscany.sca.binding.jms.context.JMSBindingContext; +import org.apache.tuscany.sca.core.invocation.CallbackHandler; +import org.apache.tuscany.sca.core.invocation.Constants; +import org.apache.tuscany.sca.core.invocation.InterceptorAsyncImpl; +import org.apache.tuscany.sca.invocation.Invoker; +import org.apache.tuscany.sca.invocation.Message; +import org.apache.tuscany.sca.runtime.RuntimeComponentService; +import org.apache.tuscany.sca.runtime.RuntimeEndpoint; + +import org.apache.tuscany.sca.assembly.Binding; + +/** + * JMS Binding Interceptor class that deals with a callback destination address on the service side + * + */ +public class CallbackDestinationInterceptor extends InterceptorAsyncImpl { + private Invoker next; + private RuntimeComponentService service; + private RuntimeEndpoint endpoint; + + public CallbackDestinationInterceptor(RuntimeEndpoint endpoint) { + super(); + this.service = (RuntimeComponentService) endpoint.getService(); + this.endpoint = endpoint; + } + + public Invoker getNext() { + return next; + } + + public void setNext(Invoker next) { + this.next = next; + } + + public Message invoke(Message msg) { + return next.invoke(invokeRequest(msg)); + } + + /** + * Handle an invocation request messaage + * @param msg the message + * @return the updated message + */ + public Message invokeRequest(Message msg) { + try { + // get the jms context + JMSBindingContext context = msg.getBindingContext(); + javax.jms.Message jmsMsg = context.getJmsMsg(); + + // Extract the Callback destination name header, if present + String callbackdestName = jmsMsg.getStringProperty(JMSBindingConstants.CALLBACK_Q_PROPERTY); + + if (callbackdestName != null) { + // If present, strip any leading "jms:jndi:" string + if (!callbackdestName.startsWith("jms:jndi:")) { + throw new JMSBindingException("message property " + JMSBindingConstants.CALLBACK_Q_PROPERTY + " does not start with 'jms:jndi:' found: " + callbackdestName); + } else { + callbackdestName = "jms:queue:" + callbackdestName.substring(9); + } + } else { + // If there is no Callback destination name header present, but the service is a callback, use the JMS ReplyTo header + // as per the spec this will override anything specified by the user in SCDL + if (service.getInterfaceContract().getCallbackInterface() != null) { + if ( ( jmsMsg.getJMSReplyTo() != null ) && msg.getOperation().isNonBlocking() ) { + Destination replyTo = jmsMsg.getJMSReplyTo(); + if (replyTo != null) { + if (replyTo instanceof Queue){ + callbackdestName = "jms:queue:" + ((Queue) replyTo).getQueueName(); + } else { + callbackdestName = "jms:topic:" + ((Topic) replyTo).getTopicName(); + } + } + } // end if + } // end if + } // end if + + // Place the Callback destination name into the Callback EPRs for the service endpoint + if (callbackdestName != null) { + msg.getHeaders().put(Constants.CALLBACK, new CallbackHandler(callbackdestName)); + } // end if + +// Callback ID not used at present +// String callbackID = jmsMsg.getStringProperty(JMSBindingConstants.CALLBACK_ID_PROPERTY); +// if (callbackID != null) { +// parameters.setCallbackID(callbackID); +// } + + } catch (JMSException e) { + throw new JMSBindingException(e); + } // end try + + return msg; + } // end method invokeRequest + + public Message processRequest(Message msg) { + return invokeRequest(msg); + } // end method processRequest + + public Message processResponse(Message msg) { + return msg; + } // end method processResponse +} // end class
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