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/**
*
* Copyright 2006 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.tuscany.binding.jms;
import java.lang.reflect.Constructor;
import java.lang.reflect.InvocationTargetException;
import javax.jms.Destination;
import javax.naming.NamingException;
import org.apache.tuscany.spi.component.CompositeComponent;
import org.apache.tuscany.spi.component.ServiceBinding;
import org.apache.tuscany.spi.deployer.DeploymentContext;
import org.apache.tuscany.spi.extension.BindingBuilderExtension;
import org.apache.tuscany.spi.model.BoundReferenceDefinition;
import org.apache.tuscany.spi.model.BoundServiceDefinition;
import org.apache.tuscany.spi.model.ServiceContract;
import org.apache.axiom.om.OMElement;
import org.apache.tuscany.idl.wsdl.WSDLServiceContract;
/**
* Builds a Service or Reference for JMS binding.
*
* @version $Rev: 449970 $ $Date: 2006-09-26 06:05:35 -0400 (Tue, 26 Sep 2006) $
*/
public class JMSBindingBuilder extends BindingBuilderExtension<JMSBindingDefinition> {
private static final String DEFAULT_JMS_RESOURCE_FACTORY =
"org.apache.tuscany.binding.jms.SimpleJMSResourceFactory";
private static final String OM_DATA_BINDING = OMElement.class.getName();
protected Class<JMSBindingDefinition> getBindingType() {
return JMSBindingDefinition.class;
}
public ServiceBinding build(CompositeComponent parent,
BoundServiceDefinition serviceDefinition,
JMSBindingDefinition jmsBinding,
DeploymentContext deploymentContext) {
Class<?> interfaze = serviceDefinition.getServiceContract().getInterfaceClass();
ServiceContract serviceContract = serviceDefinition.getServiceContract();
jmsBinding.setXMLFormat(serviceContract instanceof WSDLServiceContract);
JMSResourceFactory jmsResourceFactory = getJMSResourceFactory(jmsBinding);
if (serviceContract instanceof WSDLServiceContract) {
serviceContract.setDataBinding(OM_DATA_BINDING);
}
OperationAndDataBinding requestODB =
getRequestOperationAndDatabinding(jmsBinding, deploymentContext.getClassLoader());
OperationAndDataBinding responseODB =
getRequestOperationAndDatabinding(jmsBinding, deploymentContext.getClassLoader());
return new JMSServiceBinding(serviceDefinition.getName(), parent, jmsBinding, jmsResourceFactory,
serviceContract, requestODB, responseODB, interfaze);
}
public JMSReferenceBinding build(CompositeComponent parent,
BoundReferenceDefinition referenceDefinition,
JMSBindingDefinition jmsBinding,
DeploymentContext deploymentContext) {
String name = referenceDefinition.getName();
ServiceContract serviceContract;
try {
serviceContract = (ServiceContract) referenceDefinition.getServiceContract().clone();
} catch (CloneNotSupportedException e) {
throw new JMSBindingException("Couldn't clone the Service Contract", e);
}
serviceContract.setDataBinding(OM_DATA_BINDING);
JMSResourceFactory jmsResourceFactory = getJMSResourceFactory(jmsBinding);
Destination requestDest;
Destination replyDest = null;
try {
requestDest = jmsResourceFactory.lookupDestination(jmsBinding.getDestinationName());
if (jmsBinding.getResponseDestinationName() != null) {
replyDest = jmsResourceFactory.lookupDestination(jmsBinding.getResponseDestinationName());
}
} catch (NamingException e) {
throw new JMSBindingException(e);
}
OperationAndDataBinding requestODB =
getRequestOperationAndDatabinding(jmsBinding, deploymentContext.getClassLoader());
OperationAndDataBinding responseODB =
getRequestOperationAndDatabinding(jmsBinding, deploymentContext.getClassLoader());
return new JMSReferenceBinding(name, parent, jmsBinding, jmsResourceFactory, serviceContract, requestODB, responseODB,
requestDest, replyDest);
}
private JMSResourceFactory getJMSResourceFactory(JMSBindingDefinition jmsBinding) {
String className = jmsBinding.getJmsResourceFactoryName();
if (className != null && !className.equals("")) {
try {
Class factoryClass = Class.forName(className != null ? className : DEFAULT_JMS_RESOURCE_FACTORY);
Constructor constructor = factoryClass.getDeclaredConstructor(new Class[]{JMSBindingDefinition.class});
return (JMSResourceFactory) constructor.newInstance(jmsBinding);
} catch (ClassNotFoundException e) {
throw new JMSBindingException("Error loading the JMSResourceFactory", e);
} catch (SecurityException e) {
throw new JMSBindingException("Error loading the JMSResourceFactory", e);
} catch (NoSuchMethodException e) {
throw new JMSBindingException("Error loading the JMSResourceFactory", e);
} catch (IllegalArgumentException e) {
throw new JMSBindingException("Error loading the JMSResourceFactory", e);
} catch (InstantiationException e) {
throw new JMSBindingException("Error loading the JMSResourceFactory", e);
} catch (IllegalAccessException e) {
throw new JMSBindingException("Error loading the JMSResourceFactory", e);
} catch (InvocationTargetException e) {
throw new JMSBindingException("Error loading the JMSResourceFactory", e);
}
} else {
return new SimpleJMSResourceFactory(jmsBinding);
}
}
protected OperationAndDataBinding getRequestOperationAndDatabinding(JMSBindingDefinition jmsBinding,
ClassLoader cl) {
String className = jmsBinding.getRequestOperationAndDatabindingName();
OperationAndDataBinding operationAndDataBinding = instantiateClass(jmsBinding, cl, className);
return operationAndDataBinding;
}
protected OperationAndDataBinding getResponseOperationAndDatabinding(JMSBindingDefinition jmsBinding,
ClassLoader cl) {
String className = jmsBinding.getResponseOperationAndDatabindingName();
OperationAndDataBinding operationAndDataBinding = instantiateClass(jmsBinding, cl, className);
return operationAndDataBinding;
}
protected OperationAndDataBinding instantiateClass(JMSBindingDefinition jmsBinding, ClassLoader cl,
String className) {
OperationAndDataBinding operationAndDataBinding;
if (cl == null) {
cl = this.getClass().getClassLoader();
}
try {
Class clazz;
try {
clazz = cl.loadClass(className);
} catch (ClassNotFoundException e) {
clazz = this.getClass().getClassLoader().loadClass(className);
}
Constructor constructor = clazz.getDeclaredConstructor(new Class[]{JMSBindingDefinition.class});
operationAndDataBinding = (OperationAndDataBinding) constructor.newInstance(jmsBinding);
} catch (Throwable e) {
throw new JMSBindingException("Exception instantiating OperationAndDataBinding class", e);
}
return operationAndDataBinding;
}
}
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