Examples of org.jboss.soa.esb.message.mapping.ObjectMapper

Package org.jboss.soa.esb.message.mapping

Examples of org.jboss.soa.esb.message.mapping.ObjectMapper

org.jboss.soa.esb.message.mapping.ObjectMapper
Extracts objects from an ESB message and puts them into a Map, which can be used for later processsing, based on expressions. This class is used internally within the jBPM and Rules integrations. It may be useful elsewhere. Likewise, it can be used to take a list of Objects and place them into a Message based on the same type of expressions. It is based on the notion of an ESB Message Object Path (MOP). The path should follow the syntax: location.objectname.... location : one of [body, property, attachment] objectname: name of the object. Since attachments can be named or numbered, this can be a number too and will be converted to an integer value. If a stringified number is used elsewhere to name an object then it will not be interpreted as an integer, i.e., it will remain as a string. The objectname can be hierarchical if required, but should be quoted in that case, e.g., 'foo.bar.a.b.c'. : optionally you traverse a bean graph by specifying bean names. examples : properties.Order, gets the property object named "Order" attachment.1, gets the first attachment Object attachment.FirstAttachment, gets the attachment named 'FirstAttachment' body.foo, gets the named Object foo body.1 gets the named Object 1 body.'foo.bar.a.b.c' looks for the Object named foo.bar.a.b.c in the body @author kurt.stam@jboss.com

        order.setUnitPrice(new BigDecimal("20.0"));
    message.getBody().add("Order", order);
        //extract the order from the message, so the drl can process it
        List<String> messagePathList = new ArrayList<String>();
        messagePathList.add("body.Order");
        ObjectMapper mapper = new ObjectMapper();
        List<Object> objectList = mapper.createObjectList(message, messagePathList);
        //Now send to the rules engine
    JBossRulesRouter jbossRulesRouter = new JBossRulesRouter();
    ConfigTree configTree = new CBRConfigTreeBuilder( true ).ruleFile( "JBossESBPricingRoutingRules.drl").build();
    jbossRulesRouter.setConfigTree( configTree );
        try {

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        order.setUnitPrice(new BigDecimal("20.0"));
        message.getBody().add("Order", order);
//      extract the order from the message, so the drl can process it
        List<String> messagePathList = new ArrayList<String>();
        messagePathList.add("body.Order");
        ObjectMapper mapper = new ObjectMapper();
        List<Object> objectList = mapper.createObjectList(message, messagePathList);
        //Now send to the rules engine
        JBossRulesRouter jbossRulesRouter = new JBossRulesRouter();
    ConfigTree configTree = new CBRConfigTreeBuilder( true ).ruleFile( "JBossESBPricingRoutingRules.drl").build();
    jbossRulesRouter.setConfigTree( configTree );
        try {

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      ArrayList<String> messagePathList = new ArrayList<String>();
        messagePathList.add("body.Order");
        messagePathList.add("body.Counter");


        // process message
        List<Object> objectList = new ObjectMapper().createObjectList(message, messagePathList);
    RuleInfo ruleInfo = new RuleInfoBuilder("JBossESBPricingRulesStateful.drl").reload(true).globals(globals).defaultFacts(objectList).build();
    StatefulRuleInfoImpl statefulRuleInfo = new StatefulRuleInfoImpl(ruleInfo, false, true);
    message = ruleService.executeStatefulRules( statefulRuleInfo, message );
        assertEquals( 20.0, order.getDiscount(), 0 );
        assertEquals( "20%" ,message.getBody().get("DiscountObject"));


        //  process message again with a counter instance
        objectList = new ObjectMapper().createObjectList(message, messagePathList);
    ruleInfo = new RuleInfoBuilder("JBossESBPricingRulesStateful.drl").reload(true).globals(globals).defaultFacts(objectList).build();
    statefulRuleInfo = new StatefulRuleInfoImpl(ruleInfo, false, true);
    message = ruleService.continueStatefulRulesExecution( statefulRuleInfo, message );


        Counter counter = (Counter) message.getBody().get("Counter");

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        long timestamp = System.currentTimeMillis();
        message.getProperties().setProperty(Environment.MESSAGE_ENTRY_TIME, timestamp);


        final RuleInfoBuilder builder = new RuleInfoBuilder("PricingRulesStatefulEntryPoint.drl");
    builder.global("message", message);
    final ObjectMapper objectMapper = new ObjectMapper();
    builder.defaultFact(objectMapper.getObjectFromMessage(message, "body.Counter"));
    builder.defaultFact(message);


    // OrderEntryPoint that matches the entry-point name in PricingRulesStatfulEntryPoint.drl.
    builder.fact("OrderEntryPoint", objectMapper.getObjectFromMessage(message, "body.Order"));
        // process message
    StatefulRuleInfo statefulInfo = new StatefulRuleInfoImpl(builder.build(), false, true);
        message = ruleService.executeStatefulRules(statefulInfo, message);


        assertEquals( 20.0, order.getDiscount(), 0 );

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        messagePathList.add("body.Order");
        messagePathList.add("body.Counter");


        final RuleInfoBuilder builder = new RuleInfoBuilder("PricingRulesStatefulEntryPoint.drl");
        builder.global("message", message);
        final ObjectMapper objectMapper = new ObjectMapper();
    builder.defaultFact(objectMapper.getObjectFromMessage(message, "body.Counter"));


        // Non Existing entry-point name.
        builder.fact("Bajja", objectMapper.getObjectFromMessage(message, "body.Order"));
        // process message
    StatefulRuleInfo statefulInfo = new StatefulRuleInfoImpl(builder.build(), true, false);
        ruleService.executeStatefulRules(statefulInfo, message);
    }

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        AssertArgument.isNotNull(message, "message");
        try
        {
            final Map<String, List<Object>> newEntryPointMap = new HashMap<String, List<Object>>();
            
            ObjectMapper objectMapper = new ObjectMapper();
            for (Entry<String, List<String>> entry : entryPointMap.entrySet())
            {
                final String entryPointName = entry.getKey();
                final List<Object> extractedObjects = new ArrayList<Object>();
                for (String objectName : entry.getValue())
                {
                    Object objectFromMessage = objectMapper.getObjectFromMessage(message, objectName);
                    extractedObjects.add(objectFromMessage);
                }
                newEntryPointMap.put(entryPointName, extractedObjects);
            }
            return newEntryPointMap;

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      perform(request,_start);
    }
    
    private void perform(Message esbMessage, boolean start)
    {
            ObjectMapper objectMapper = new ObjectMapper();
            final NewProcessInstanceCommand command ;
            if (start) {
                final String transition = MessageHelper.getStringValue(esbMessage, Constants.TRANSITION_NAME);
                command = new AsyncStartProcessInstanceCommand(transition);
            } else {
                command = new NewProcessInstanceCommand(); 
            }
      Long processDefId = MessageHelper.getLongValue(esbMessage,Constants.PROCESS_DEFINITION_ID);
            if (null!=processDefId) {
                command.setProcessId(processDefId);
            } else {
               String processName  = MessageHelper.getStringValue(esbMessage,Constants.PROCESS_DEFINITION_NAME);
               if (null!=processName) {
                   command.setProcessName(processName);
               } else {
                   throw new JbpmException("At least one of "+Constants.PROCESS_DEFINITION_NAME
            +" or "+Constants.PROCESS_DEFINITION_ID+" must have a valid value");
               }
            }
            String keyPath = MessageHelper.getStringValue(esbMessage, Constants.KEYPATH);
            if (keyPath!=null) {
                try {
                    String key = String.valueOf(objectMapper.getObjectFromMessage(esbMessage, keyPath));
                    command.setKey(key);
                } catch (ObjectMappingException e) {
                    logger.error("Could not locate key " + e.getMessage(), e);
                }
            }

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                Map processVariables = (Map) result;
                List<Mapping> variableMappings = GetProcessVariablesFacade.getMappings(message);


                for (Mapping mapping : variableMappings) {
                    Object value = processVariables.get(mapping.getBpm());
                    ObjectMapper mapper = new ObjectMapper();


                    try {
                        if(value != null) {
                            mapper.setObjectOnMessage(message, mapping.getEsb(), value);
                        } else {
                            mapper.setObjectOnMessage(message, mapping.getEsb(), mapping.getDefaultValue());
                        }
                    } catch (ObjectMappingException e) {
                        throw new JbpmException("Failed to apply jBPM->ESB mapping for process instance ID '" + processInstanceId + "' (root token ID '" + processInstance.getRootToken().getId() + "'). Mapping: " + mapping);
                    }
                }

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        //if that fails then try to get it from the ExecutionContext
        if (object==null) {
            object = MVEL.getProperty(mapping.getBpm(), executionContext);
        }
        if (null != object) {
            ObjectMapper mapper = new ObjectMapper();
            mapper.setObjectOnMessage(message, mapping.getEsb(), object);
        } else {
            log.warn("The object " + mapping.getBpm() + " is null and cannot not be set on the message");
        }
    }

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        _config = config;
        checkMyParms();
        _registry = RegistryFactory.getRegistry();
        _cbr = ContentBasedRouterFactory.getRouter(_cbrClass);
        _cbr.setConfigTree(config);
        _mapper = new ObjectMapper(config);
        try {
            dlQueueInvoker = new ServiceInvoker(ServiceInvoker.INTERNAL_SERVICE_CATEGORY, ServiceInvoker.DEAD_LETTER_SERVICE_NAME);
        } catch (MessageDeliverException e) {
            throw new MessageRouterException(e);
        }

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