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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.transport;
import java.security.AccessController;
import java.security.PrivilegedActionException;
import java.security.PrivilegedExceptionAction;
import org.apache.axiom.om.OMElement;
import org.apache.axis2.AxisFault;
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.tuscany.sca.binding.ws.axis2.context.WSAxis2BindingContext;
import org.apache.tuscany.sca.interfacedef.util.FaultException;
import org.apache.tuscany.sca.invocation.Interceptor;
import org.apache.tuscany.sca.invocation.Invoker;
import org.apache.tuscany.sca.invocation.Message;
/**
* Use an Axis2 OperationClient to invoke a remote web service
*
* @version $Rev$ $Date$
*/
public class TransportReferenceInterceptor implements Interceptor {
private Invoker next;
public TransportReferenceInterceptor() {
}
public Message invoke(Message msg) {
try {
Object resp = null;
if (msg.getOperation().isNonBlocking()) {
resp = invokeTargetOneWay(msg);
} else {
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 {
WSAxis2BindingContext bindingContext = msg.getBindingContext();
final OperationClient operationClient = bindingContext.getAxisOperationClient();
// ensure connections are tracked so that they can be closed by the reference binding
MessageContext requestMC = operationClient.getMessageContext("Out");
requestMC.getOptions().setProperty(HTTPConstants.REUSE_HTTP_CLIENT, Boolean.TRUE);
requestMC.getOptions().setTimeOutInMilliSeconds(240000L);
// 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("In");
bindingContext.setAxisInMessageContext(responseMC);
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;
}
protected Object invokeTargetOneWay(Message msg) throws AxisFault {
WSAxis2BindingContext bindingContext = msg.getBindingContext();
OperationClient operationClient = bindingContext.getAxisOperationClient();
// ensure connections are tracked so that they can be closed by the reference binding
MessageContext requestMC = operationClient.getMessageContext("Out");
//requestMC.getOptions().setProperty(HTTPConstants.REUSE_HTTP_CLIENT, Boolean.TRUE);
Options opt = requestMC.getOptions();
opt.setProperty(HTTPConstants.REUSE_HTTP_CLIENT, Boolean.TRUE);
opt.setUseSeparateListener(true);
opt.setProperty(HTTPConstants.AUTO_RELEASE_CONNECTION,Boolean.TRUE);
operationClient.execute(false);
// REVIEW it seems ok to return null
return null;
}
public Invoker getNext() {
return next;
}
public void setNext(Invoker next) {
this.next = next;
}
}
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