Examples of org.apache.axis2.engine.MessageReceiver

org.apache.axis2.engine.MessageReceiver
An instance of MessageReceiver can be setup to receive messages. The application logic has no impact on the Axis Engine iself. It is upto the application logic to do whatever it needs. For e.g. the MessageReceiver can handle a message, send a response back and/or send other messages.

                // client. Should / would be ignored by any transport other than
                // nhttp. For example, JMS would not send a reply message for one-way
                // operations.
                MessageContext outMsgCtx =
                    (MessageContext) context.getAttribute(OUTGOING_MESSAGE_CONTEXT);
                MessageReceiver mr = outMsgCtx.getAxisOperation().getMessageReceiver();


                try {
                    MessageContext responseMsgCtx = outMsgCtx.getOperationContext().
                        getMessageContext(WSDL2Constants.MESSAGE_LABEL_IN);
                    if (responseMsgCtx == null) {
                        // to support Sandesha.. however, this means that we received a 202 accepted
                        // for an out-only , for which we do not need a dummy message anyway
                        return;
                    }
                    responseMsgCtx.setServerSide(true);
                    responseMsgCtx.setDoingREST(outMsgCtx.isDoingREST());
                    responseMsgCtx.setProperty(MessageContext.TRANSPORT_IN,
                        outMsgCtx.getProperty(MessageContext.TRANSPORT_IN));
                    responseMsgCtx.setTransportIn(outMsgCtx.getTransportIn());
                    responseMsgCtx.setTransportOut(outMsgCtx.getTransportOut());


                    responseMsgCtx.setAxisMessage(outMsgCtx.getAxisOperation().
                        getMessage(WSDLConstants.MESSAGE_LABEL_IN_VALUE));
                    responseMsgCtx.setOperationContext(outMsgCtx.getOperationContext());
                    responseMsgCtx.setConfigurationContext(outMsgCtx.getConfigurationContext());
                    responseMsgCtx.setTo(null);


                    responseMsgCtx.setEnvelope(
                        ((SOAPFactory)outMsgCtx.getEnvelope().getOMFactory()).getDefaultEnvelope());
                    responseMsgCtx.setProperty(AddressingConstants.DISABLE_ADDRESSING_FOR_OUT_MESSAGES, Boolean.TRUE);
                    responseMsgCtx.setProperty(NhttpConstants.SC_ACCEPTED, Boolean.TRUE);
                    mr.receive(responseMsgCtx);


                } catch (org.apache.axis2.AxisFault af) {
                    log.error("Unable to report back 202 Accepted state to the message receiver", af);
                }

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                if (request.getAttachment() != null &&
                    request.getAttachment() instanceof Axis2HttpRequest) {


                    Axis2HttpRequest axis2Request = (Axis2HttpRequest) request.getAttachment();
                    MessageContext mc = axis2Request.getMsgContext();
                    MessageReceiver mr = mc.getAxisOperation().getMessageReceiver();


                    try {
                        // this fault is NOT caused by the endpoint while processing. so we have to
                        // inform that this is a sending error (e.g. endpoint failure) and handle it
                        // differently at the message receiver.
                      AxisFault axisFault;
                      if (isTimeout) {
                        // In case of a timeout there is no exception
                        axisFault = new AxisFault("The connection timed out");
                      } else {
                        Exception exception = request.getException();
                        axisFault = new AxisFault(exception.toString(), exception);
                      }
                      
                      if (mr == null) {
                        // FIXME: the message receiver is null if the MEP is out-only
                        log.error(axisFault.getMessage());
                      } else {
                        MessageContext nioFaultMessageContext =
                          MessageContextBuilder.createFaultMessageContext(mc, axisFault);
                          nioFaultMessageContext.setProperty(NhttpConstants.SENDING_FAULT, Boolean.TRUE);
                          mr.receive(nioFaultMessageContext);
                      }
                    } catch (AxisFault af) {
                        log.error("Unable to report back failure to the message receiver", af);
                    }
                }

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    }
  }


  private MessageReceiver loadDefaultMessageReceiver(String mepURL,
      AxisService service) {
    MessageReceiver messageReceiver;
    if (mepURL == null) {
      mepURL = WSDL2Constants.MEP_URI_IN_OUT;
    }
    if (service != null) {
      messageReceiver = service.getMessageReceiver(mepURL);

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    try {
      HashMap messageReciverMap = new HashMap();
      Class inOnlyMessageReceiver = Loader
          .loadClass("org.apache.axis2.rpc.receivers.RPCInOnlyMessageReceiver");
      MessageReceiver messageReceiver = (MessageReceiver) inOnlyMessageReceiver
          .newInstance();
      messageReciverMap.put(WSDL2Constants.MEP_URI_IN_ONLY,
          messageReceiver);
      Class inoutMessageReceiver = Loader
          .loadClass("org.apache.axis2.rpc.receivers.RPCMessageReceiver");
      MessageReceiver inOutmessageReceiver = (MessageReceiver) inoutMessageReceiver
          .newInstance();
      messageReciverMap.put(WSDL2Constants.MEP_URI_IN_OUT,
          inOutmessageReceiver);
      messageReciverMap.put(WSDL2Constants.MEP_URI_ROBUST_IN_ONLY,
          inOutmessageReceiver);

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    for (int i = 0; i < method.length; i++) {
      JMethod jmethod = method[i];
      AxisOperation operation = axisService.getOperation(new QName(
          jmethod.getSimpleName()));
      String mep = operation.getMessageExchangePattern();
      MessageReceiver mr;
      if (messageReceiverClassMap != null) {


        if (messageReceiverClassMap.get(mep) != null) {
          Object obj = messageReceiverClassMap.get(mep);
          if (obj instanceof MessageReceiver) {

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    }


    HashMap messageReciverMap = new HashMap();
    Class inOnlyMessageReceiver = Loader
        .loadClass("org.apache.axis2.rpc.receivers.RPCInOnlyMessageReceiver");
    MessageReceiver messageReceiver = (MessageReceiver) inOnlyMessageReceiver
        .newInstance();
    messageReciverMap.put(WSDL2Constants.MEP_URI_IN_ONLY, messageReceiver);
    Class inoutMessageReceiver = Loader
        .loadClass("org.apache.axis2.rpc.receivers.RPCMessageReceiver");
    MessageReceiver inOutmessageReceiver = (MessageReceiver) inoutMessageReceiver
        .newInstance();
    messageReciverMap.put(WSDL2Constants.MEP_URI_IN_OUT,
        inOutmessageReceiver);
    AxisService service = new AxisService();
    schemaGenerator.setAxisService(service);

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            // loading the message receivers
            OMElement receiverElement =
                    operation.getFirstChildWithName(new QName(TAG_MESSAGE_RECEIVER));


            if (receiverElement != null) {
                MessageReceiver messageReceiver =
                        loadMessageReceiver(module.getModuleClassLoader(), receiverElement);
                op_descrip.setMessageReceiver(messageReceiver);
            } else {
                // setting default message receiver
                MessageReceiver msgReceiver = loadDefaultMessageReceiver(mepURL, null);
                op_descrip.setMessageReceiver(msgReceiver);
            }
            // Process Module Refs
            Iterator modules = operation.getChildrenWithName(new QName(TAG_MODULE));
            processOperationModuleRefs(modules, op_descrip);

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                    AxisOperation axisOperation = (AxisOperation) operations.next();
                    if (axisOperation.getMessageReceiver() == null) {
                        try {
                            Class jaxwsMR = Loader.loadClass(
                                    "org.apache.axis2.jaxws.server.JAXWSMessageReceiver");
                            MessageReceiver jaxwsMRInstance =
                                    (MessageReceiver) jaxwsMR.newInstance();
                            axisOperation.setMessageReceiver(jaxwsMRInstance);
                        } catch (Exception e) {
                            log.debug("Error occurde while loading JAXWSMessageReceiver for "
                                    + className );

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                   IllegalAccessException,
                   AxisFault {
        HashMap messageReciverMap = new HashMap();
        Class inOnlyMessageReceiver = Loader.loadClass(
                "org.apache.axis2.rpc.receivers.RPCInOnlyMessageReceiver");
        MessageReceiver messageReceiver =
                (MessageReceiver) inOnlyMessageReceiver.newInstance();
        messageReciverMap.put(WSDL2Constants.MEP_URI_IN_ONLY,
                              messageReceiver);
        Class inoutMessageReceiver = Loader.loadClass(
                "org.apache.axis2.rpc.receivers.RPCMessageReceiver");
        MessageReceiver inOutmessageReceiver =
                (MessageReceiver) inoutMessageReceiver.newInstance();
        messageReciverMap.put(WSDL2Constants.MEP_URI_IN_OUT,
                              inOutmessageReceiver);
        messageReciverMap.put(WSDL2Constants.MEP_URI_ROBUST_IN_ONLY,
                              inOutmessageReceiver);

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                    if (WSDLConstants.WSDL20_2006Constants.MEP_URI_IN_ONLY.equals(MEP)
                        || WSDLConstants.WSDL20_2004_Constants.MEP_URI_IN_ONLY.equals(MEP)
                        || WSDL2Constants.MEP_URI_IN_ONLY.equals(MEP)) {
                        Class inOnlyMessageReceiver = Loader.loadClass(
                                "org.apache.axis2.rpc.receivers.RPCInOnlyMessageReceiver");
                        MessageReceiver messageReceiver =
                                (MessageReceiver) inOnlyMessageReceiver.newInstance();
                        operation.setMessageReceiver(messageReceiver);
                    } else {
                        Class inoutMessageReceiver = Loader.loadClass(
                                "org.apache.axis2.rpc.receivers.RPCMessageReceiver");
                        MessageReceiver inOutmessageReceiver =
                                (MessageReceiver) inoutMessageReceiver.newInstance();
                        operation.setMessageReceiver(inOutmessageReceiver);
                    }
                } catch (ClassNotFoundException e) {
                    log.error(e.getMessage(), e);

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