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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.operationselector.jmsuserprop.runtime;
import java.util.List;
import javax.jms.JMSException;
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.operationselector.OperationSelectorJMSUserProp;
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.RuntimeComponentService;
import org.apache.tuscany.sca.runtime.RuntimeEndpoint;
/**
* Interceptor for user property based operation selection
*
* <operationSelector.jmsUser propertName="MyHeaderProperty"/>
*
*/
public class OperationSelectorJMSUserPropServiceInterceptor extends InterceptorAsyncImpl {
private Invoker next;
private RuntimeEndpoint endpoint;
private JMSBinding jmsBinding;
private OperationSelectorJMSUserProp operationSelector;
private RuntimeComponentService service;
private List<Operation> serviceOperations;
public OperationSelectorJMSUserPropServiceInterceptor(RuntimeEndpoint endpoint) {
super();
this.jmsBinding = (JMSBinding) endpoint.getBinding();
this.operationSelector = (OperationSelectorJMSUserProp)jmsBinding.getOperationSelector();
this.endpoint = endpoint;
this.service = (RuntimeComponentService) endpoint.getService();
this.serviceOperations = service.getInterfaceContract().getInterface().getOperations();
}
public Message invoke(Message msg) {
return next.invoke(invokeRequest(msg));
}
public Message invokeRequest(Message msg) {
// get the jms context
JMSBindingContext context = msg.getBindingContext();
javax.jms.Message jmsMsg = context.getJmsMsg();
Operation operation = getTargetOperation(jmsMsg);
msg.setOperation(operation);
return msg;
}
protected Operation getTargetOperation(javax.jms.Message jmsMsg) {
String operationName = null;
String opSelectorPropertyName = operationSelector.getPropertyName();
try {
operationName = jmsMsg.getStringProperty(opSelectorPropertyName);
} catch(JMSException e) {
throw new JMSBindingException(e);
}
if (operationName == null){
throw new JMSBindingException("Property " + opSelectorPropertyName + " not found in message header");
}
for (Operation op : serviceOperations) {
if (op.getName().equals(operationName)) {
return op;
}
}
throw new JMSBindingException("Can't find operation " + operationName);
}
public Invoker getNext() {
return next;
}
public void setNext(Invoker next) {
this.next = next;
}
public Message processRequest(Message msg) {
return invokeRequest(msg);
} // end method processRequest
public Message processResponse(Message msg) {
return msg;
} // end method processResponse
}
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