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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.ws.axis2;
import java.util.List;
import javax.wsdl.Binding;
import javax.wsdl.BindingOperation;
import javax.wsdl.Definition;
import javax.wsdl.Port;
import javax.wsdl.Service;
import javax.wsdl.extensions.soap.SOAPAddress;
import javax.wsdl.extensions.soap.SOAPOperation;
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.description.AxisService;
import org.apache.axis2.transport.http.HTTPConstants;
import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.MultiThreadedHttpConnectionManager;
import org.apache.tuscany.sca.assembly.AbstractContract;
import org.apache.tuscany.sca.binding.ws.WebServiceBinding;
import org.apache.tuscany.sca.host.http.ServletHost;
import org.apache.tuscany.sca.interfacedef.Operation;
import org.apache.tuscany.sca.invocation.Invoker;
import org.apache.tuscany.sca.invocation.MessageFactory;
import org.apache.tuscany.sca.runtime.RuntimeComponent;
public class Axis2ServiceClient {
private WebServiceBinding wsBinding;
private ServiceClient serviceClient;
private WebServiceBinding callbackBinding;
public Axis2ServiceClient(RuntimeComponent component,
AbstractContract contract,
WebServiceBinding wsBinding,
ServletHost servletHost,
MessageFactory messageFactory,
WebServiceBinding callbackBinding) {
this.wsBinding = wsBinding;
this.callbackBinding = callbackBinding;
this.serviceClient = createServiceClient();
}
protected void start() {
}
/**
* Create an Axis2 ServiceClient
*/
protected ServiceClient createServiceClient() {
try {
TuscanyAxisConfigurator tuscanyAxisConfigurator = new TuscanyAxisConfigurator();
ConfigurationContext configContext = tuscanyAxisConfigurator.getConfigurationContext();
Definition wsdlDefinition = wsBinding.getWSDLDefinition().getDefinition();
setServiceAndPort(wsBinding);
QName serviceQName = wsBinding.getServiceName();
String portName = wsBinding.getPortName();
AxisService axisService =
AxisService.createClientSideAxisService(wsdlDefinition, serviceQName, portName, new Options());
return new ServiceClient(configContext, axisService);
} catch (AxisFault e) {
throw new RuntimeException(e); // TODO: better exception
}
}
/**
* Ensure the WSDL definition contains a suitable service and port
*/
protected static void setServiceAndPort(WebServiceBinding wsBinding) {
Definition wsdlDefinition = wsBinding.getWSDLDefinition().getDefinition();
QName serviceQName = wsBinding.getServiceName();
String portName = wsBinding.getPortName();
// If no service is specified in the binding element, allow for WSDL that
// only contains a portType and not a service and port. Synthesize a
// service and port using WSDL4J and add them to the wsdlDefinition to
// keep Axis happy.
//FIXME: it would be better to do this for all WSDLs to explictly control the
// service and port that Axis will use, rather than just hoping the user has
// placed a suitable service and/or port first in the WSDL.
if (serviceQName == null && wsBinding.getBinding() != null) {
QName bindingQName = wsBinding.getBindingName();
Port port = wsdlDefinition.createPort();
portName = "$port$." + bindingQName.getLocalPart();
port.setName(portName);
wsBinding.setPortName(portName);
port.setBinding(wsBinding.getBinding());
Service service = wsdlDefinition.createService();
serviceQName = new QName(bindingQName.getNamespaceURI(),
"$service$." + bindingQName.getLocalPart());
service.setQName(serviceQName);
wsBinding.setServiceName(serviceQName);
service.addPort(port);
wsdlDefinition.addService(service);
}
}
protected void stop() {
// close all connections that we have initiated, so that the jetty server
// can be restarted without seeing ConnectExceptions
HttpClient httpClient =
(HttpClient)serviceClient.getServiceContext().getConfigurationContext()
.getProperty(HTTPConstants.CACHED_HTTP_CLIENT);
if (httpClient != null)
((MultiThreadedHttpConnectionManager)httpClient.getHttpConnectionManager()).shutdown();
}
/**
* Create and configure an Axis2BindingInvoker for each operation
*/
protected Invoker createInvoker(Operation operation) {
Options options = new Options();
EndpointReference epTo = getPortLocationEPR(wsBinding);
if (epTo != null) {
options.setTo(epTo);
}
if (callbackBinding != null) {
options.setFrom(getPortLocationEPR(callbackBinding));
}
options.setProperty(HTTPConstants.CHUNKED, Boolean.FALSE);
String operationName = operation.getName();
String soapAction = getSOAPAction(operationName);
if (soapAction != null && soapAction.length() > 1) {
options.setAction(soapAction);
}
options.setTimeOutInMilliSeconds(30 * 1000); // 30 seconds
SOAPFactory soapFactory = OMAbstractFactory.getSOAP11Factory();
QName wsdlOperationQName = new QName(operationName);
Axis2BindingInvoker invoker;
if (operation.isNonBlocking()) {
invoker = new Axis2OneWayBindingInvoker(serviceClient, wsdlOperationQName, options, soapFactory);
} else {
invoker = new Axis2BindingInvoker(serviceClient, wsdlOperationQName, options, soapFactory);
}
return invoker;
}
protected EndpointReference getPortLocationEPR(WebServiceBinding binding) {
String ep = binding.getURI();
if (ep == null && binding.getPort() != null) {
List<?> wsdlPortExtensions = binding.getPort().getExtensibilityElements();
for (final Object extension : wsdlPortExtensions) {
if (extension instanceof SOAPAddress) {
ep = ((SOAPAddress)extension).getLocationURI();
break;
}
}
}
return ep != null ? new EndpointReference(ep) : null;
}
protected String getSOAPAction(String operationName) {
Binding binding = wsBinding.getBinding();
if (binding != null) {
for (Object o : binding.getBindingOperations()) {
BindingOperation bop = (BindingOperation)o;
if (bop.getName().equalsIgnoreCase(operationName)) {
for (Object o2 : bop.getExtensibilityElements()) {
if (o2 instanceof SOAPOperation) {
return ((SOAPOperation)o2).getSoapActionURI();
}
}
}
}
}
return null;
}
}
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