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/**
*
* Copyright 2005 The Apache Software Foundation or its licensors, as applicable.
*
* 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.axis.handler;
import java.lang.reflect.Method;
import java.net.MalformedURLException;
import java.net.URL;
import java.rmi.RemoteException;
import java.util.Map;
import java.util.Set;
import javax.xml.namespace.QName;
import javax.xml.rpc.Call;
import javax.xml.rpc.Service;
import javax.xml.rpc.ServiceException;
import javax.xml.rpc.ServiceFactory;
import org.apache.tuscany.binding.axis.assembly.WebServiceBinding;
import org.apache.tuscany.core.config.JavaIntrospectionHelper;
import org.apache.tuscany.core.invocation.MethodHashMap;
import org.apache.tuscany.model.assembly.ExternalService;
import org.osoa.sca.ServiceRuntimeException;
import org.osoa.sca.ServiceUnavailableException;
/**
* A mock client for a transport binding
*
* @version $Rev$ $Date$
*/
public class ExternalWebServiceClient {
private WebServicePortMetaData wsPortMetaData;
private Service jaxrpcService;
private Map<Method, Call> jaxrpcCalls=new MethodHashMap();
/**
* Constructs a new ExternalWebServiceClient.
* @param externalService
* @param wsBinding
*/
public ExternalWebServiceClient(ExternalService externalService, WebServiceBinding wsBinding) {
// Create a port metadata info object to hold the port information
wsPortMetaData = new WebServicePortMetaData(wsBinding.getWSDLDefinition(), wsBinding.getWSDLPort(), wsBinding.getURI(), false);
// Create a JAX-RPC service
QName wsdlServiceName = wsPortMetaData.getService().getQName();
try {
URL url=new URL(wsBinding.getWSDLDefinition().getDocumentBaseURI());
jaxrpcService = ServiceFactory.newInstance().createService(url, wsdlServiceName);
} catch (ServiceException e) {
throw new ServiceUnavailableException(e);
} catch (MalformedURLException e) {
throw new ServiceUnavailableException(e);
}
// Create JAX-RPC calls for all the methods on the service contract
Set<Method> methods=JavaIntrospectionHelper.getAllUniqueMethods(externalService.getConfiguredService().getService().getServiceContract().getInterface());
for (Method method : methods) {
Call call=createCall(method);
jaxrpcCalls.put(method, call);
}
}
/**
* Create a JAX-RPC call for the given method.
* @param method
* @return
*/
private Call createCall(Method method) {
// Create a JAX RPC call object
QName portName = wsPortMetaData.getPortName();
Call call;
try {
call = (Call) jaxrpcService.createCall(portName, method.getName());
} catch (ServiceException e) {
throw new IllegalArgumentException(e);
}
// Set the target endpoint address
String endpoint = wsPortMetaData.getEndpoint();
if (endpoint != null) {
String originalEndpoint = call.getTargetEndpointAddress();
if (!endpoint.equals(originalEndpoint))
call.setTargetEndpointAddress(endpoint);
}
return call;
}
/**
* Invoke an operation on the external Web service.
* @param method
* @param args
* @return
*/
public Object invoke(Method method, Object[] args) {
Call call=jaxrpcCalls.get(method);
try {
return call.invoke(args);
} catch (RemoteException e) {
throw new ServiceRuntimeException(e);
}
}
}
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