Examples of org.jboss.soa.esb.message.Body

org.jboss.soa.esb.message.Body
The message body holds arbitrary information which represents the payload as far as clients and services are concerned. A body may contain: (i) a byte array for arbitrary data. How that array is interpreted by the service is implementation specific and outside the scope of the ESB to enforce. (ii) a list of Objects of arbitrary types. How these objects are serialized to/from the message body when it is transmitted is up to the specific Object type. The plan is to add support for various TYPES of Object and the message implementation will use external adapters to externalize/internalize the Objects. Currently we only support Serializable objects. Given that there are attachments, properties, byte arrays and named objects, you may be wondering where should you put your payload? The answer is fairly straightforward: As a service developer, you define the contract that clients use in order to interact with your service. As part of that contract, you will specific both functional and non-functional aspects of the service, e.g., that it is an airline reservation service (functional) and that it is transactional (non-functional). You'll also define the operations (messages) that the service can understand. As part of the message definition, you stipulate the format (e.g., Java Serialized message versus XML) and the content (e.g., transaction context, seat number, customer name etc.) When defining the content, you can specify where in the Message your service will expect to find the payload. That can be in the form of attachments, specific named objects (even the default named object if you so wish), or the byte array. It is entirely up to the service developer to determine. The only restrictions are that objects and attachments must be globally uniquely named, or one service (or Action) may inadvertently pick up a partial payload meant for another if the same Message Body is forwarded across multiple hops. As a service users, you obtain the contract definition about the service (e.g., through UDDI or out-of-band communication) and this will define where in the message the payload must go. Information placed in other locations will likely be ignored and result in incorrect operation of the service. Note, in order to maintain loose coupling, services should not expose any backend implementation choices. As such you should try to avoid sending Java Serialized instances within the Body where possible because it does limit your future choices on service implementation to Java and potentially specific versions of Java.

        return message;
    }


    public Message playWithMessage(Message message) throws Exception {
        Header msgHeader = message.getHeader();
        Body msgBody = message.getBody();
        Call theCall = msgHeader.getCall();
        EPR theEpr = theCall.getFrom();
        String contents = (String) msgBody.get();
        StringBuffer sb = new StringBuffer();
        sb.append("BEFORE\n");
        sb.append(contents);
        sb.append("\nAFTER");
        msgBody.add(sb.toString());
        return message;
    }

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        logFooter();
        return message;
    }


    public Message playWithMessage(Message message) throws Exception {
        Body msgBody = message.getBody();
        String contents = (String) msgBody.get();


        // Reset the message body contents with the response...
        msgBody.add(("Hello From ESB MyAction: " + contents));


        throw new ActionProcessingException("Break!!!!");


        //return message;
    }

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      return message;           
  }
  
   public Message playWithMessage(Message message) throws Exception {
//     Header msgHeader = message.getHeader();
     Body msgBody = message.getBody();
//     Call theCall = msgHeader.getCall();
//     EPR theEpr = theCall.getFrom();
     String contents = new String((byte[])msgBody.get());
     StringBuffer sb = new StringBuffer();
     sb.append("\nBEFORE\n");
     sb.append(contents);
     sb.append("\nAFTER\n");
     msgBody.add(sb.toString());
     return message;
   }

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      logFooter();
      return message;           
  }
  
   public Message playWithMessage(Message message) throws Exception {
     Body msgBody = message.getBody();
     String results = new String();
     String contents = new String((String)msgBody.get());
     try {
         InitialContext ctx = new InitialContext();
               
         HelloWorld client = (HelloWorld) ctx.lookup("HelloWorldBean/remote");
         results = client.sayHello(contents);
         System.out.println("Invoked EJB3: " + results);
     } catch (Exception e) {
     e.printStackTrace();
         System.out.println(e);
     }
     msgBody.add(results);
     return message;
   }

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      configTree = config;
   }


   public Message insertOrder(Message message) throws Exception
   {
      Body msgBody = message.getBody();
      XStream xstream = new XStream(new DomDriver());
      xstream.alias("order", Order.class);
      Order order = (Order) xstream.fromXML((String) msgBody.get());


      PetStoreFacade petStore = (PetStoreFacade) getBeanFactory()
            .getBean("petStore");
      petStore.insertOrder(order);

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      return message;           
  }
  
   public Message playWithMessage(Message message) throws Exception {
//     Header msgHeader = message.getHeader();
     Body msgBody = message.getBody();
//     Call theCall = msgHeader.getCall();
//     EPR theEpr = theCall.getFrom();
     String contents = msgBody.get().toString();
     StringBuffer sb = new StringBuffer();
     sb.append("\nBEFORE**\n");
     sb.append(contents);
     sb.append("\nAFTER**\n");
     msgBody.add(sb.toString());
     return message;
   }

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            throw new ObjectMappingException(expression + " should start with [<location>.]<name>") ;
        }
        String location = path[0];
        String name     = path[1];
        if ("body".equalsIgnoreCase(location)) {
            Body body   = message.getBody();
            try {
                object =
                    BODY_CONTENT.equals(name)
                    ? payloadProxy.getPayload(message)
                    : body.get(name);
            } catch (MessageDeliverException e) {
                throw new ObjectMappingException("Unable to get payload '" + name + "' from message.", e);
            }
        } else if ("properties".equalsIgnoreCase(location)) {
            object = message.getProperties().getProperty(name);

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            throw new ObjectMappingException("Only 'header' and 'body' can contain hierarchical names: " + expression) ;
        }
        String location = path[0];
        String name     = path[1];
        if ("body".equalsIgnoreCase(location)) {
            Body body   = message.getBody();
            if (path.length == 2) {
                if (BODY_CONTENT.equals(name)) {
                    try {
                        payloadProxy.setPayload(message, object);
                    } catch (MessageDeliverException e) {
                        throw new ObjectMappingException("Unable to set payload on message.", e) ;
                    }
                } else {
                    body.add(name, object);
                }
            } else {
                final Object bodyObject ;
                if (BODY_CONTENT.equals(name)) {
                    try {
                        bodyObject = payloadProxy.getPayload(message) ;
                    } catch (final MessageDeliverException mde) {
                        throw new ObjectMappingException("Unable to get payload from message.", mde) ;
                    }
                } else {
                    bodyObject = body.get(name) ;
                }
                
                if (bodyObject == null) {
                    throw new ObjectMappingException("Unable to set property on named object: " + name + ", object does not exist in message") ;
                }

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                {
                    final FaultMessageException fme = (FaultMessageException) ex ;
                    final Message faultMessage = fme.getReturnedMessage() ;
                    if (faultMessage != null)
                    {
                        final Body body = faultMessage.getBody() ;
                        final QName faultCode = (QName)body.get(Fault.DETAIL_CODE_CONTENT) ;
                        final String faultDescription = (String)body.get(Fault.DETAIL_DESCRIPTION_CONTENT) ;
                        final String faultDetail = (String)body.get(Fault.DETAIL_DETAIL_CONTENT) ;


                        if (faultCode != null)
                        {
                            faultMsg = SOAP_MESSAGE_FACTORY.createMessage() ;
                            final SOAPFault fault = faultMsg.getSOAPBody().addFault(faultCode, faultDescription) ;

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     * @deprecated use BEFORE_ACTION and CURRENT_ACTION instead.
     */
    
    public static void copyCurrentToPrevious(Message message)
    {
      Body body = message.getBody();
      body.remove(PRE_ACTION_DATA);
      Object obj = body.get(POST_ACTION_DATA);
      if (null != obj)
        body.add(PRE_ACTION_DATA,obj);
    }

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