/* | |
* Copyright 2004,2006 The Apache Software Foundation. | |
* | |
* 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.axis2.description; | |
import org.apache.axiom.om.OMElement; | |
import org.apache.axis2.AxisFault; | |
import org.apache.axis2.addressing.EndpointReference; | |
import org.apache.axis2.client.OperationClient; | |
import org.apache.axis2.client.Options; | |
import org.apache.axis2.client.async.Callback; | |
import org.apache.axis2.context.ConfigurationContext; | |
import org.apache.axis2.context.MessageContext; | |
import org.apache.axis2.context.OperationContext; | |
import org.apache.axis2.context.ServiceContext; | |
import org.apache.axis2.engine.AxisEngine; | |
import org.apache.axis2.i18n.Messages; | |
import org.apache.axis2.util.UUIDGenerator; | |
import org.apache.axis2.util.TargetResolver; | |
import org.apache.axis2.wsdl.WSDLConstants; | |
import javax.xml.namespace.QName; | |
import java.util.ArrayList; | |
import java.util.HashMap; | |
import java.util.Iterator; | |
import java.util.Map; | |
public class OutOnlyAxisOperation extends AxisOperation { | |
private AxisMessage inFaultMessage; | |
// just to keep the inflow , there won't be any usage | |
private ArrayList inPhases; | |
private AxisMessage outFaultMessage; | |
private AxisMessage outMessage; | |
public OutOnlyAxisOperation() { | |
super(); | |
createMessage(); | |
setMessageExchangePattern(WSDL20_2004Constants.MEP_URI_OUT_ONLY); | |
} | |
public OutOnlyAxisOperation(QName name) { | |
super(name); | |
createMessage(); | |
setMessageExchangePattern(WSDL20_2004Constants.MEP_URI_OUT_ONLY); | |
} | |
public void addMessage(AxisMessage message, String label) { | |
if (WSDLConstants.MESSAGE_LABEL_OUT_VALUE.equals(label)) { | |
outMessage = message; | |
} else { | |
throw new UnsupportedOperationException("Not yet implemented"); | |
} | |
} | |
public void addMessageContext(MessageContext msgContext, | |
OperationContext opContext) throws AxisFault { | |
if (!opContext.isComplete()) { | |
opContext.getMessageContexts().put(MESSAGE_LABEL_OUT_VALUE, | |
msgContext); | |
opContext.setComplete(true); | |
} else { | |
throw new AxisFault(Messages.getMessage("mepcompleted")); | |
} | |
} | |
public void addFaultMessageContext(MessageContext msgContext, OperationContext opContext) throws AxisFault { | |
HashMap mep = opContext.getMessageContexts(); | |
MessageContext faultMessageCtxt = (MessageContext) mep.get(MESSAGE_LABEL_FAULT_VALUE); | |
if (faultMessageCtxt != null) { | |
throw new AxisFault(Messages.getMessage("mepcompleted")); | |
} else { | |
mep.put(MESSAGE_LABEL_FAULT_VALUE, msgContext); | |
opContext.setComplete(true); | |
opContext.cleanup(); | |
} | |
} | |
private void createMessage() { | |
outMessage = new AxisMessage(); | |
outMessage.setDirection(WSDLConstants.WSDL_MESSAGE_DIRECTION_OUT); | |
inFaultMessage = new AxisMessage(); | |
outFaultMessage = new AxisMessage(); | |
inPhases = new ArrayList(); | |
} | |
public AxisMessage getMessage(String label) { | |
if (WSDLConstants.MESSAGE_LABEL_OUT_VALUE.equals(label)) { | |
return outMessage; | |
} else { | |
throw new UnsupportedOperationException("Not yet implemented"); | |
} | |
} | |
public ArrayList getPhasesInFaultFlow() { | |
return inFaultMessage.getMessageFlow(); | |
} | |
public ArrayList getPhasesOutFaultFlow() { | |
return outFaultMessage.getMessageFlow(); | |
} | |
public ArrayList getPhasesOutFlow() { | |
return outMessage.getMessageFlow(); | |
} | |
public ArrayList getRemainingPhasesInFlow() { | |
return inPhases; | |
} | |
public void setPhasesInFaultFlow(ArrayList list) { | |
inFaultMessage.setMessageFlow(list); | |
} | |
public void setPhasesOutFaultFlow(ArrayList list) { | |
outFaultMessage.setMessageFlow(list); | |
} | |
public void setPhasesOutFlow(ArrayList list) { | |
outMessage.setMessageFlow(list); | |
} | |
public void setRemainingPhasesInFlow(ArrayList list) { | |
inPhases = list; | |
} | |
/** | |
* Returns a MEP client for an Out-only operation. This client can be used to | |
* interact with a server which is offering an In-only operation. To use the | |
* client, you must call addMessageContext() with a message context and then | |
* call execute() to execute the client. Note that the execute method's | |
* block parameter is ignored by this client and also the setMessageReceiver | |
* method cannot be used. | |
* | |
* @param sc The service context for this client to live within. Cannot be | |
* null. | |
* @param options Options to use as defaults for this client. If any options are | |
* set specifically on the client then those override options | |
* here. | |
*/ | |
public OperationClient createClient(ServiceContext sc, Options options) { | |
return new OutOnlyAxisOperationClient(this, sc, options); | |
} | |
} | |
/** | |
* MEP client for moi. | |
*/ | |
class OutOnlyAxisOperationClient implements OperationClient { | |
OutOnlyAxisOperation axisOp; | |
ServiceContext sc; | |
Options options; | |
MessageContext mc; | |
OperationContext oc; | |
/* | |
* indicates whether the MEP execution has completed (and hence ready for | |
* resetting) | |
*/ | |
boolean completed; | |
OutOnlyAxisOperationClient(OutOnlyAxisOperation axisOp, ServiceContext sc, | |
Options options) { | |
this.axisOp = axisOp; | |
this.sc = sc; | |
this.options = options; | |
this.completed = false; | |
oc = new OperationContext(axisOp, sc); | |
} | |
/** | |
* Sets the options that should be used for this particular client. This | |
* resets the entire set of options to use the new options - so you'd lose | |
* any option cascading that may have been set up. | |
* | |
* @param options the options | |
*/ | |
public void setOptions(Options options) { | |
this.options = options; | |
} | |
/** | |
* Returns the options used by this client. If you want to set a single | |
* option, then the right way is to do getOptions() and set specific | |
* options. | |
* | |
* @return Returns the options, which will never be null. | |
*/ | |
public Options getOptions() { | |
return options; | |
} | |
/** | |
* Adds a message context to the client for processing. This method must not | |
* process the message - it only records it in the MEP client. Processing | |
* only occurs when execute() is called. | |
* | |
* @param mc the message context | |
* @throws AxisFault if this is called inappropriately. | |
*/ | |
public void addMessageContext(MessageContext mc) throws AxisFault { | |
if (this.mc != null) { | |
throw new AxisFault(Messages.getMessage("cannotaddmsgctx")); | |
} | |
this.mc = mc; | |
if (mc.getMessageID() == null) { | |
setMessageID(mc); | |
} | |
mc.setServiceContext(sc); | |
axisOp.registerOperationContext(mc, oc); | |
this.completed = false; | |
} | |
/** | |
* Returns a message from the client - will return null if the requested | |
* message is not available. | |
* | |
* @param messageLabel the message label of the desired message context | |
* @return Returns the desired message context or null if its not available. | |
* @throws AxisFault if the message label is invalid | |
*/ | |
public MessageContext getMessageContext(String messageLabel) | |
throws AxisFault { | |
if (messageLabel.equals(WSDLConstants.MESSAGE_LABEL_OUT_VALUE)) { | |
return mc; | |
} | |
throw new AxisFault(Messages.getMessage("unknownMsgLabel", messageLabel)); | |
} | |
/** | |
* Sets the message receiver to be executed when a message comes into the MEP | |
* and the MEP is executed. This is the way the MEP client provides | |
* notification that a message has been received by it. Exactly when its | |
* executed and under what conditions is a function of the specific MEP | |
* client. | |
*/ | |
public void setCallback(Callback callback) { | |
throw new UnsupportedOperationException( | |
"This feature is not supported by this MEP"); | |
} | |
/** | |
* Create a message ID for the given message context if needed. If user gives an option with | |
* MessageID then just copy that into MessageContext , and with that there can be multiple | |
* message with same MessageID unless user call setOption for each invocation. | |
* <p/> | |
* If user want to give message ID then the better way is to set the message ID in the option and | |
* call setOption for each invocation then the right thing will happen. | |
* <p/> | |
* If user does not give a message ID then the new one will be created and set that into Message | |
* Context. | |
* | |
* @param mc the message context whose id is to be set | |
*/ | |
private void setMessageID(MessageContext mc) { | |
// now its the time to put the parameters set by the user in to the | |
// correct places and to the | |
// if there is no message id still, set a new one. | |
String messageId = options.getMessageId(); | |
if (messageId == null || "".equals(messageId)) { | |
messageId = UUIDGenerator.getUUID(); | |
} | |
mc.setMessageID(messageId); | |
} | |
private void addReferenceParameters(MessageContext msgctx) { | |
EndpointReference to = msgctx.getTo(); | |
if (options.isManageSession()) { | |
EndpointReference tepr = sc.getTargetEPR(); | |
if (tepr != null) { | |
Map map = tepr.getAllReferenceParameters(); | |
Iterator valuse = map.values().iterator(); | |
while (valuse.hasNext()) { | |
Object refparaelement = valuse.next(); | |
if (refparaelement instanceof OMElement) { | |
to.addReferenceParameter((OMElement) refparaelement); | |
} | |
} | |
} | |
} | |
} | |
/** | |
* Executes the MEP. What this does depends on the specific MEP client. The | |
* basic idea is to have the MEP client execute and do something with the | |
* messages that have been added to it so far. For example, if its an Out-In | |
* MEP, then if the Out message has been set, then executing the client asks | |
* it to send the message and get the In message, possibly using a different | |
* thread. | |
* | |
* @param block Indicates whether execution should block or return ASAP. What | |
* block means is of course a function of the specific MEP | |
* client. IGNORED BY THIS MEP CLIENT. | |
* @throws AxisFault if something goes wrong during the execution of the MEP. | |
*/ | |
public void execute(boolean block) throws AxisFault { | |
if (completed) { | |
throw new AxisFault(Messages.getMessage("mepiscomplted")); | |
} | |
ConfigurationContext cc = sc.getConfigurationContext(); | |
// set options on the message context | |
if (mc.getSoapAction() == null || "".equals(mc.getSoapAction())) { | |
mc.setSoapAction(options.getAction()); | |
} | |
mc.setOptions(options); | |
mc.setAxisMessage(axisOp.getMessage(WSDLConstants.MESSAGE_LABEL_OUT_VALUE)); | |
// do Target Resolution | |
TargetResolver targetResolver = cc.getAxisConfiguration().getTargetResolverChain(); | |
if(targetResolver != null){ | |
targetResolver.resolveTarget(mc); | |
} | |
// setting message ID if it null | |
// if the transport to use for sending is not specified, try to find it | |
// from the URL | |
TransportOutDescription senderTransport = options.getTransportOut(); | |
if (senderTransport == null) { | |
EndpointReference toEPR = (options.getTo() != null) ? options | |
.getTo() : mc.getTo(); | |
senderTransport = ClientUtils.inferOutTransport(cc | |
.getAxisConfiguration(), toEPR, mc); | |
} | |
mc.setTransportOut(senderTransport); | |
// create the operation context for myself | |
OperationContext oc = new OperationContext(axisOp, sc); | |
oc.addMessageContext(mc); | |
addReferenceParameters(mc); | |
// ship it out | |
AxisEngine engine = new AxisEngine(cc); | |
if (!block) { | |
mc.setProperty(MessageContext.TRANSPORT_NON_BLOCKING, Boolean.TRUE); | |
} | |
engine.send(mc); | |
// all done | |
completed = true; | |
} | |
/** | |
* Resets the MEP client to a clean status after the MEP has completed. This | |
* is how you can reuse a MEP client. NOTE: this does not reset the options; | |
* only the internal state so the client can be used again. | |
* | |
* @throws AxisFault if reset is called before the MEP client has completed an | |
* interaction. | |
*/ | |
public void reset() throws AxisFault { | |
if (!completed) { | |
throw new AxisFault(Messages.getMessage("cannotreset")); | |
} | |
mc = null; | |
completed = false; | |
} | |
public void complete(MessageContext msgCtxt) throws AxisFault { | |
TransportOutDescription trsout = msgCtxt.getTransportOut(); | |
if (trsout != null) { | |
trsout.getSender().cleanup(msgCtxt); | |
} | |
} | |
public OperationContext getOperationContext() { | |
return oc; | |
} | |
} |