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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.axis2.builder;
import java.lang.reflect.Method;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.wsdl.Definition;
import javax.xml.namespace.QName;
import org.apache.axiom.om.OMAbstractFactory;
import org.apache.axiom.soap.SOAPFactory;
import org.apache.axis2.AxisFault;
import org.apache.axis2.addressing.EndpointReference;
import org.apache.axis2.client.Options;
import org.apache.axis2.client.ServiceClient;
import org.apache.axis2.context.ConfigurationContext;
import org.apache.axis2.context.MessageContextConstants;
import org.apache.axis2.description.AxisService;
import org.apache.tuscany.binding.axis2.assembly.WebServiceBinding;
import org.apache.tuscany.binding.axis2.config.WSExternalServiceContextFactory;
import org.apache.tuscany.binding.axis2.externalservice.Axis2OperationInvoker;
import org.apache.tuscany.binding.axis2.externalservice.Axis2ServiceInvoker;
import org.apache.tuscany.binding.axis2.util.SDODataBinding;
import org.apache.tuscany.binding.axis2.util.TuscanyAxisConfigurator;
import org.apache.tuscany.binding.axis2.util.WebServiceOperationMetaData;
import org.apache.tuscany.binding.axis2.util.WebServicePortMetaData;
import org.apache.tuscany.core.builder.BuilderConfigException;
import org.apache.tuscany.core.extension.ExternalServiceBuilderSupport;
import org.apache.tuscany.core.extension.ExternalServiceContextFactory;
import org.apache.tuscany.core.injection.SingletonObjectFactory;
import org.apache.tuscany.model.assembly.ExternalService;
import org.osoa.sca.annotations.Scope;
import commonj.sdo.helper.TypeHelper;
/**
* Creates a <code>ContextFactory</code> for an external service configured with the {@link WebServiceBinding}
*/
@Scope("MODULE")
public class ExternalWebServiceBuilder extends ExternalServiceBuilderSupport<WebServiceBinding> {
/*
* (non-Javadoc)
*
* @see org.apache.tuscany.core.extension.ExternalServiceBuilderSupport#createExternalServiceContextFactory(org.apache.tuscany.model.assembly.ExternalService)
*/
@Override
protected ExternalServiceContextFactory createExternalServiceContextFactory(ExternalService externalService) {
WebServiceBinding wsBinding = (WebServiceBinding) externalService.getBindings().get(0);
Definition wsdlDefinition = wsBinding.getWSDLDefinition();
WebServicePortMetaData wsPortMetaData = new WebServicePortMetaData(wsdlDefinition, wsBinding.getWSDLPort(), wsBinding.getURI(), false);
ServiceClient serviceClient = createServiceClient(externalService.getName(), wsdlDefinition, wsPortMetaData);
TypeHelper typeHelper = wsBinding.getTypeHelper();
ClassLoader cl = wsBinding.getResourceLoader().getClassLoader();
Class serviceInterface = externalService.getConfiguredService().getPort().getServiceContract().getInterface();
Map<String, Axis2OperationInvoker> invokers = createOperationInvokers(serviceInterface, typeHelper, cl, wsPortMetaData);
Axis2ServiceInvoker axis2Client = new Axis2ServiceInvoker(serviceClient, invokers);
return new WSExternalServiceContextFactory(externalService.getName(), new SingletonObjectFactory<Axis2ServiceInvoker>(axis2Client));
}
/**
* Create an Axis2 ServiceClient configured for the externalService
*/
protected ServiceClient createServiceClient(String externalServiceName, Definition wsdlDefinition, WebServicePortMetaData wsPortMetaData) {
TuscanyAxisConfigurator tuscanyAxisConfigurator = new TuscanyAxisConfigurator(null, null);
ConfigurationContext configurationContext = tuscanyAxisConfigurator.getConfigurationContext();
QName serviceQName = wsPortMetaData.getServiceName();
String portName = wsPortMetaData.getPortName().getLocalPart();
ServiceClient serviceClient;
try {
AxisService axisService = AxisService.createClientSideAxisService(wsdlDefinition, serviceQName, portName, new Options());
serviceClient = new ServiceClient(configurationContext, axisService);
} catch (AxisFault e) {
BuilderConfigException bce = new BuilderConfigException("AxisFault creating external service", e);
bce.addContextName(externalServiceName);
throw bce;
}
return serviceClient;
}
/**
* Create and configure an Axis2OperationInvoker for each operation in the externalService
*/
protected Map<String, Axis2OperationInvoker> createOperationInvokers(Class sc, TypeHelper typeHelper, ClassLoader cl, WebServicePortMetaData wsPortMetaData) {
SOAPFactory soapFactory = OMAbstractFactory.getSOAP11Factory();
String portTypeNS = wsPortMetaData.getPortTypeName().getNamespaceURI();
Map<String, Axis2OperationInvoker> invokers = new HashMap<String, Axis2OperationInvoker>();
for (Method m : sc.getMethods()) {
String methodName = m.getName();
WebServiceOperationMetaData operationMetaData = wsPortMetaData.getOperationMetaData(methodName);
boolean isWrapped = operationMetaData.isDocLitWrapped();
List<?> sig = operationMetaData.getOperationSignature();
SDODataBinding dataBinding = new SDODataBinding(cl, typeHelper, sig.size() > 0 ? (QName) sig.get(0) : null, isWrapped);
Options options = new Options();
options.setTo(new EndpointReference(wsPortMetaData.getEndpoint()));
options.setProperty(MessageContextConstants.CHUNKED, Boolean.FALSE);
String wsdlOperationName = operationMetaData.getBindingOperation().getOperation().getName();
String soapAction = wsPortMetaData.getOperationMetaData(wsdlOperationName).getSOAPAction();
if (soapAction != null && soapAction.length() > 1) {
options.setAction(soapAction);
}
QName wsdlOperationQName = new QName(portTypeNS, wsdlOperationName);
Axis2OperationInvoker invoker = new Axis2OperationInvoker(wsdlOperationQName, options, dataBinding, soapFactory);
invokers.put(methodName, invoker);
}
return invokers;
}
}
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