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Diffstat (limited to 'sca-java-1.x/tags/1.6.1-TUSCANY-3909/binding-ws-axis2/src/main/java/org/apache/tuscany/sca/binding/ws/axis2/Axis2BindingInvoker.java')
| -rw-r--r-- | sca-java-1.x/tags/1.6.1-TUSCANY-3909/binding-ws-axis2/src/main/java/org/apache/tuscany/sca/binding/ws/axis2/Axis2BindingInvoker.java | 300 |
1 files changed, 300 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/1.6.1-TUSCANY-3909/binding-ws-axis2/src/main/java/org/apache/tuscany/sca/binding/ws/axis2/Axis2BindingInvoker.java b/sca-java-1.x/tags/1.6.1-TUSCANY-3909/binding-ws-axis2/src/main/java/org/apache/tuscany/sca/binding/ws/axis2/Axis2BindingInvoker.java new file mode 100644 index 0000000000..4087bd80a5 --- /dev/null +++ b/sca-java-1.x/tags/1.6.1-TUSCANY-3909/binding-ws-axis2/src/main/java/org/apache/tuscany/sca/binding/ws/axis2/Axis2BindingInvoker.java @@ -0,0 +1,300 @@ +/* + * 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.security.AccessController; +import java.security.PrivilegedActionException; +import java.security.PrivilegedExceptionAction; +import java.util.ArrayList; +import java.util.List; + +import javax.xml.namespace.QName; + +import org.apache.axiom.om.OMElement; +import org.apache.axiom.soap.SOAPBody; +import org.apache.axiom.soap.SOAPEnvelope; +import org.apache.axiom.soap.SOAPFactory; +import org.apache.axiom.soap.SOAPHeader; +import org.apache.axis2.AxisFault; +import org.apache.axis2.addressing.AddressingConstants; +import org.apache.axis2.addressing.EndpointReference; +import org.apache.axis2.addressing.EndpointReferenceHelper; +import org.apache.axis2.client.OperationClient; +import org.apache.axis2.client.Options; +import org.apache.axis2.context.MessageContext; +import org.apache.axis2.transport.http.HTTPConstants; +import org.apache.axis2.wsdl.WSDLConstants; +import org.apache.tuscany.sca.assembly.xml.Constants; +import org.apache.tuscany.sca.binding.ws.WebServiceBinding; +import org.apache.tuscany.sca.binding.ws.axis2.policy.authentication.token.Axis2TokenAuthenticationPolicy; +import org.apache.tuscany.sca.binding.ws.axis2.policy.configurator.Axis2BindingBasicAuthenticationConfigurator; +import org.apache.tuscany.sca.binding.ws.axis2.policy.configurator.Axis2BindingHeaderConfigurator; +import org.apache.tuscany.sca.binding.ws.axis2.policy.header.Axis2HeaderPolicy; +import org.apache.tuscany.sca.interfacedef.util.FaultException; +import org.apache.tuscany.sca.invocation.DataExchangeSemantics; +import org.apache.tuscany.sca.invocation.Invoker; +import org.apache.tuscany.sca.invocation.Message; +import org.apache.tuscany.sca.policy.PolicySet; +import org.apache.tuscany.sca.policy.PolicySetAttachPoint; +import org.apache.tuscany.sca.policy.authentication.basic.BasicAuthenticationPolicy; +import org.apache.tuscany.sca.policy.util.PolicyHandler; +import org.apache.tuscany.sca.runtime.ReferenceParameters; + +/** + * Axis2BindingInvoker uses an Axis2 OperationClient to invoke a remote web service + * + * @version $Rev$ $Date$ + */ +public class Axis2BindingInvoker implements Invoker, DataExchangeSemantics { + + public static final QName QNAME_WSA_FROM = + new QName(AddressingConstants.Final.WSA_NAMESPACE, AddressingConstants.WSA_FROM, + AddressingConstants.WSA_DEFAULT_PREFIX); + public static final String TUSCANY_PREFIX = "tuscany"; + public static final QName CALLBACK_ID_REFPARM_QN = + new QName(Constants.SCA10_TUSCANY_NS, "CallbackID", TUSCANY_PREFIX); + public static final QName CONVERSATION_ID_REFPARM_QN = + new QName(Constants.SCA10_TUSCANY_NS, "ConversationID", TUSCANY_PREFIX); + public static long GLOBAL_AXIS_TIMEOUT = 240000L; + + + private Axis2ServiceClient serviceClient; + private QName wsdlOperationName; + private Options options; + private SOAPFactory soapFactory; + private List<PolicyHandler> policyHandlerList = null; + private WebServiceBinding wsBinding; + + private BasicAuthenticationPolicy basicAuthenticationPolicy = null; + private Axis2TokenAuthenticationPolicy axis2TokenAuthenticationPolicy = null; + private List<Axis2HeaderPolicy> axis2HeaderPolicies = new ArrayList<Axis2HeaderPolicy>(); + + public Axis2BindingInvoker(Axis2ServiceClient serviceClient, + QName wsdlOperationName, + Options options, + SOAPFactory soapFactory, + List<PolicyHandler> policyHandlerList, + WebServiceBinding wsBinding) { + this.serviceClient = serviceClient; + this.wsdlOperationName = wsdlOperationName; + this.options = options; + this.soapFactory = soapFactory; + this.policyHandlerList = policyHandlerList; + this.wsBinding = wsBinding; + + // find out which policies are active + if (wsBinding instanceof PolicySetAttachPoint) { + List<PolicySet> policySets = ((PolicySetAttachPoint)wsBinding).getPolicySets(); + for (PolicySet ps : policySets) { + for (Object p : ps.getPolicies()) { + if (BasicAuthenticationPolicy.class.isInstance(p)) { + basicAuthenticationPolicy = (BasicAuthenticationPolicy)p; + } else if (Axis2TokenAuthenticationPolicy.class.isInstance(p)) { + axis2TokenAuthenticationPolicy = (Axis2TokenAuthenticationPolicy)p; + } else if (Axis2HeaderPolicy.class.isInstance(p)) { + axis2HeaderPolicies.add((Axis2HeaderPolicy)p); + }else { + // etc. check for other types of policy being present + } + } + } + } + } + + private static final QName EXCEPTION = new QName("", "Exception"); + + public Message invoke(Message msg) { + try { + Object resp = invokeTarget(msg); + + msg.setBody(resp); + } catch (AxisFault e) { + if (e.getDetail() != null ) { + FaultException f = new FaultException(e.getMessage(), e.getDetail(), e); + f.setFaultName(e.getDetail().getQName()); + msg.setFaultBody(f); + } else { + msg.setFaultBody(e); + } + } catch (Throwable e) { + msg.setFaultBody(e); + } + + return msg; + } + + protected Object invokeTarget(Message msg) throws AxisFault { + final OperationClient operationClient = createOperationClient(msg); + + // ensure connections are tracked so that they can be closed by the reference binding + MessageContext requestMC = operationClient.getMessageContext(WSDLConstants.MESSAGE_LABEL_OUT_VALUE); + requestMC.getOptions().setProperty(HTTPConstants.REUSE_HTTP_CLIENT, Boolean.TRUE); + requestMC.getOptions().setTimeOutInMilliSeconds(GLOBAL_AXIS_TIMEOUT); + + for ( PolicyHandler policyHandler : policyHandlerList ) { + policyHandler.beforeInvoke(msg, requestMC, operationClient); + } + + // set policy specified headers + for (Axis2HeaderPolicy policy : axis2HeaderPolicies){ + Axis2BindingHeaderConfigurator.setHeader(requestMC, msg, policy.getHeaderName()); + } + + if (basicAuthenticationPolicy != null) { + Axis2BindingBasicAuthenticationConfigurator.setOperationOptions(operationClient, msg, basicAuthenticationPolicy); + } + + if (axis2TokenAuthenticationPolicy != null) { + Axis2BindingHeaderConfigurator.setHeader(requestMC, msg, axis2TokenAuthenticationPolicy.getTokenName()); + } + + // Allow privileged access to read properties. Requires PropertiesPermission read in + // security policy. + try { + AccessController.doPrivileged(new PrivilegedExceptionAction<Object>() { + public Object run() throws AxisFault { + operationClient.execute(true); + return null; + } + }); + } catch (PrivilegedActionException e) { + operationClient.complete(requestMC); + throw (AxisFault)e.getException(); + } + + MessageContext responseMC = operationClient.getMessageContext(WSDLConstants.MESSAGE_LABEL_IN_VALUE); + + for ( PolicyHandler policyHandler : policyHandlerList ) { + policyHandler.afterInvoke(msg, responseMC, operationClient); + } + + OMElement response = responseMC.getEnvelope().getBody().getFirstElement(); + + // FIXME: [rfeng] We have to pay performance penalty to build the complete OM as the operationClient.complete() will + // release the underlying HTTP connection. + // Force the response to be populated, see https://issues.apache.org/jira/browse/TUSCANY-1541 + if (response != null) { + response.build(); + } + + operationClient.complete(requestMC); + + return response; + } + + @SuppressWarnings("deprecation") + protected OperationClient createOperationClient(Message msg) throws AxisFault { + SOAPEnvelope env = soapFactory.getDefaultEnvelope(); + Object[] args = (Object[])msg.getBody(); + if (args != null && args.length > 0) { + SOAPBody body = env.getBody(); + for (Object bc : args) { + if (bc instanceof OMElement) { + body.addChild((OMElement)bc); + } else { + throw new IllegalArgumentException( + "Can't handle mixed payloads between OMElements and other types."); + } + } + } + final MessageContext requestMC = new MessageContext(); + requestMC.setEnvelope(env); + + // Axis2 operationClients can not be shared so create a new one for each request + final OperationClient operationClient = serviceClient.getServiceClient().createClient(wsdlOperationName); + operationClient.setOptions(options); + + ReferenceParameters parameters = msg.getFrom().getReferenceParameters(); + + // set callback endpoint and callback ID for WS-Addressing header + EndpointReference fromEPR = null; + org.apache.tuscany.sca.runtime.EndpointReference callbackEPR = parameters.getCallbackReference(); + if (callbackEPR != null) { + fromEPR = new EndpointReference(callbackEPR.getBinding().getURI()); + } + Object callbackID = parameters.getCallbackID(); + if (callbackID != null) { + if (fromEPR == null) { + fromEPR = new EndpointReference(AddressingConstants.Final.WSA_ANONYMOUS_URL); + } + //FIXME: serialize callback ID to XML in case it is not a string + fromEPR.addReferenceParameter(CALLBACK_ID_REFPARM_QN, callbackID.toString()); + } + + // set conversation ID for WS-Addressing header + Object conversationId = parameters.getConversationID(); + if (conversationId != null) { + if (fromEPR == null) { + fromEPR = new EndpointReference(AddressingConstants.Final.WSA_ANONYMOUS_URL); + } + //FIXME: serialize conversation ID to XML in case it is not a string + fromEPR.addReferenceParameter(CONVERSATION_ID_REFPARM_QN, conversationId.toString()); + } + + // add WS-Addressing header + //FIXME: is there any way to use the Axis2 addressing support for this? + if (fromEPR != null) { + SOAPEnvelope sev = requestMC.getEnvelope(); + SOAPHeader sh = sev.getHeader(); + OMElement epr = + EndpointReferenceHelper.toOM(sev.getOMFactory(), + fromEPR, + QNAME_WSA_FROM, + AddressingConstants.Final.WSA_NAMESPACE); + sh.addChild(epr); + requestMC.setFrom(fromEPR); + } + + // Set any message headers required by policy + // Get the header from the tuscany message + // If its not already an OM convert it to OM + // add it to the envelope header + + // if target endpoint was not specified when this invoker was created, + // use dynamically specified target endpoint passed in on this call + if (options.getTo() == null) { + org.apache.tuscany.sca.runtime.EndpointReference ep = msg.getTo(); + if (ep != null) { + requestMC.setTo(new EndpointReference(ep.getURI())); + } else { + throw new RuntimeException("Unable to determine destination endpoint"); + } + } else { + requestMC.setTo(new EndpointReference(options.getTo().getAddress())); + } + + // Allow privileged access to read properties. Requires PropertiesPermission read in + // security policy. + try { + AccessController.doPrivileged(new PrivilegedExceptionAction<Object>() { + public Object run() throws AxisFault { + operationClient.addMessageContext(requestMC); + return null; + } + }); + } catch (PrivilegedActionException e) { + throw (AxisFault)e.getException(); + } + return operationClient; + } + + public boolean allowsPassByReference() { + return true; + } +} |