Examples with BeanProcessor org.apache.camel.component.bean.BeanProcessor used on opensource projects

Example 1 with BeanProcessor

use of org.apache.camel.component.bean.BeanProcessor in project camel by apache.

the class XmlServiceExporterBean method create.

@Override
public T create(CreationalContext<T> creationalContext) {
    try {
        CamelContext context = isNotEmpty(exporter.getCamelContextId()) ? getReferenceByName(manager, exporter.getCamelContextId(), CamelContext.class).get() : getReference(manager, CamelContext.class, this.context);
        Bean<?> bean = manager.resolve(manager.getBeans(exporter.getServiceRef()));
        if (bean == null) {
            throw new UnsatisfiedResolutionException("No bean with name [" + exporter.getServiceRef() + "] is deployed!");
        }
        @SuppressWarnings("unchecked") T service = (T) manager.getReference(bean, type, manager.createCreationalContext(bean));
        Endpoint endpoint = getMandatoryEndpoint(context, exporter.getUri());
        try {
            // need to start endpoint before we create consumer
            startService(endpoint);
            Consumer consumer = endpoint.createConsumer(new BeanProcessor(service, context));
            // add and start consumer
            context.addService(consumer, true, true);
        } catch (Exception cause) {
            throw new FailedToCreateConsumerException(endpoint, cause);
        }
        return service;
    } catch (Exception cause) {
        throw new CreationException("Error while creating instance for " + this, cause);
    }
}

Example 2 with BeanProcessor

use of org.apache.camel.component.bean.BeanProcessor in project camel by apache.

the class DefaultManagementObjectStrategy method getManagedObjectForProcessor.

@SuppressWarnings({ "deprecation", "unchecked" })
public Object getManagedObjectForProcessor(CamelContext context, Processor processor, ProcessorDefinition<?> definition, Route route) {
    ManagedProcessor answer = null;
    if (definition instanceof RecipientListDefinition) {
        // special for RecipientListDefinition, as the processor is wrapped in a pipeline as last
        Pipeline pipeline = (Pipeline) processor;
        Iterator<Processor> it = pipeline.getProcessors().iterator();
        while (it.hasNext()) {
            processor = it.next();
        }
    } else if (definition instanceof ThreadsDefinition) {
        // special for ThreadsDefinition, as the processor is wrapped in a pipeline as first
        Pipeline pipeline = (Pipeline) processor;
        Iterator<Processor> it = pipeline.getProcessors().iterator();
        processor = it.next();
    }
    // unwrap delegates as we want the real target processor
    Processor target = processor;
    while (target != null) {
        // skip error handlers
        if (target instanceof ErrorHandler) {
            return false;
        }
        if (target instanceof ConvertBodyProcessor) {
            answer = new ManagedConvertBody(context, (ConvertBodyProcessor) target, definition);
        } else if (target instanceof ChoiceProcessor) {
            answer = new ManagedChoice(context, (ChoiceProcessor) target, definition);
        } else if (target instanceof Delayer) {
            answer = new ManagedDelayer(context, (Delayer) target, definition);
        } else if (target instanceof Throttler) {
            answer = new ManagedThrottler(context, (Throttler) target, definition);
        } else if (target instanceof DynamicRouter) {
            answer = new ManagedDynamicRouter(context, (DynamicRouter) target, (org.apache.camel.model.DynamicRouterDefinition) definition);
        } else if (target instanceof RoutingSlip) {
            answer = new ManagedRoutingSlip(context, (RoutingSlip) target, (org.apache.camel.model.RoutingSlipDefinition) definition);
        } else if (target instanceof FilterProcessor) {
            answer = new ManagedFilter(context, (FilterProcessor) target, (ExpressionNode) definition);
        } else if (target instanceof LogProcessor) {
            answer = new ManagedLog(context, (LogProcessor) target, definition);
        } else if (target instanceof LoopProcessor) {
            answer = new ManagedLoop(context, (LoopProcessor) target, (org.apache.camel.model.LoopDefinition) definition);
        } else if (target instanceof MarshalProcessor) {
            answer = new ManagedMarshal(context, (MarshalProcessor) target, (org.apache.camel.model.MarshalDefinition) definition);
        } else if (target instanceof UnmarshalProcessor) {
            answer = new ManagedUnmarshal(context, (UnmarshalProcessor) target, (org.apache.camel.model.UnmarshalDefinition) definition);
        } else if (target instanceof CircuitBreakerLoadBalancer) {
            answer = new ManagedCircuitBreakerLoadBalancer(context, (CircuitBreakerLoadBalancer) target, (org.apache.camel.model.LoadBalanceDefinition) definition);
        } else if (target instanceof FailOverLoadBalancer) {
            answer = new ManagedFailoverLoadBalancer(context, (FailOverLoadBalancer) target, (org.apache.camel.model.LoadBalanceDefinition) definition);
        } else if (target instanceof RandomLoadBalancer) {
            answer = new ManagedRandomLoadBalancer(context, (RandomLoadBalancer) target, (org.apache.camel.model.LoadBalanceDefinition) definition);
        } else if (target instanceof RoundRobinLoadBalancer) {
            answer = new ManagedRoundRobinLoadBalancer(context, (RoundRobinLoadBalancer) target, (org.apache.camel.model.LoadBalanceDefinition) definition);
        } else if (target instanceof StickyLoadBalancer) {
            answer = new ManagedStickyLoadBalancer(context, (StickyLoadBalancer) target, (org.apache.camel.model.LoadBalanceDefinition) definition);
        } else if (target instanceof TopicLoadBalancer) {
            answer = new ManagedTopicLoadBalancer(context, (TopicLoadBalancer) target, (org.apache.camel.model.LoadBalanceDefinition) definition);
        } else if (target instanceof WeightedLoadBalancer) {
            answer = new ManagedWeightedLoadBalancer(context, (WeightedLoadBalancer) target, (org.apache.camel.model.LoadBalanceDefinition) definition);
        } else if (target instanceof RecipientList) {
            answer = new ManagedRecipientList(context, (RecipientList) target, (RecipientListDefinition) definition);
        } else if (target instanceof Splitter) {
            answer = new ManagedSplitter(context, (Splitter) target, (org.apache.camel.model.SplitDefinition) definition);
        } else if (target instanceof MulticastProcessor) {
            answer = new ManagedMulticast(context, (MulticastProcessor) target, definition);
        } else if (target instanceof SamplingThrottler) {
            answer = new ManagedSamplingThrottler(context, (SamplingThrottler) target, definition);
        } else if (target instanceof Resequencer) {
            answer = new ManagedResequencer(context, (Resequencer) target, definition);
        } else if (target instanceof RollbackProcessor) {
            answer = new ManagedRollback(context, (RollbackProcessor) target, definition);
        } else if (target instanceof StreamResequencer) {
            answer = new ManagedResequencer(context, (StreamResequencer) target, definition);
        } else if (target instanceof SetBodyProcessor) {
            answer = new ManagedSetBody(context, (SetBodyProcessor) target, (org.apache.camel.model.SetBodyDefinition) definition);
        } else if (target instanceof RemoveHeaderProcessor) {
            answer = new ManagedRemoveHeader(context, (RemoveHeaderProcessor) target, definition);
        } else if (target instanceof RemoveHeadersProcessor) {
            answer = new ManagedRemoveHeaders(context, (RemoveHeadersProcessor) target, definition);
        } else if (target instanceof SetHeaderProcessor) {
            answer = new ManagedSetHeader(context, (SetHeaderProcessor) target, (org.apache.camel.model.SetHeaderDefinition) definition);
        } else if (target instanceof RemovePropertyProcessor) {
            answer = new ManagedRemoveProperty(context, (RemovePropertyProcessor) target, definition);
        } else if (target instanceof RemovePropertiesProcessor) {
            answer = new ManagedRemoveProperties(context, (RemovePropertiesProcessor) target, definition);
        } else if (target instanceof SetPropertyProcessor) {
            answer = new ManagedSetProperty(context, (SetPropertyProcessor) target, (org.apache.camel.model.SetPropertyDefinition) definition);
        } else if (target instanceof ExchangePatternProcessor) {
            answer = new ManagedSetExchangePattern(context, (ExchangePatternProcessor) target, definition);
        } else if (target instanceof ScriptProcessor) {
            answer = new ManagedScript(context, (ScriptProcessor) target, (org.apache.camel.model.ScriptDefinition) definition);
        } else if (target instanceof StopProcessor) {
            answer = new ManagedStop(context, (StopProcessor) target, definition);
        } else if (target instanceof ThreadsProcessor) {
            answer = new ManagedThreads(context, (ThreadsProcessor) target, definition);
        } else if (target instanceof ThrowExceptionProcessor) {
            answer = new ManagedThrowException(context, (ThrowExceptionProcessor) target, definition);
        } else if (target instanceof TransformProcessor) {
            answer = new ManagedTransformer(context, (TransformProcessor) target, (org.apache.camel.model.TransformDefinition) definition);
        } else if (target instanceof PredicateValidatingProcessor) {
            answer = new ManagedValidate(context, (PredicateValidatingProcessor) target, (org.apache.camel.model.ValidateDefinition) definition);
        } else if (target instanceof WireTapProcessor) {
            answer = new ManagedWireTapProcessor(context, (WireTapProcessor) target, definition);
        } else if (target instanceof SendDynamicProcessor) {
            answer = new ManagedSendDynamicProcessor(context, (SendDynamicProcessor) target, definition);
        } else if (target instanceof SendProcessor) {
            SendProcessor sp = (SendProcessor) target;
            // special for sending to throughput logger
            if (sp.getDestination() instanceof LogEndpoint) {
                LogEndpoint le = (LogEndpoint) sp.getDestination();
                if (le.getLogger() instanceof ThroughputLogger) {
                    ThroughputLogger tl = (ThroughputLogger) le.getLogger();
                    answer = new ManagedThroughputLogger(context, tl, definition);
                }
            }
            // regular send processor
            if (answer == null) {
                answer = new ManagedSendProcessor(context, (SendProcessor) target, definition);
            }
        } else if (target instanceof BeanProcessor) {
            answer = new ManagedBeanProcessor(context, (BeanProcessor) target, definition);
        } else if (target instanceof IdempotentConsumer) {
            answer = new ManagedIdempotentConsumer(context, (IdempotentConsumer) target, (org.apache.camel.model.IdempotentConsumerDefinition) definition);
        } else if (target instanceof AggregateProcessor) {
            answer = new ManagedAggregateProcessor(context, (AggregateProcessor) target, (org.apache.camel.model.AggregateDefinition) definition);
        } else if (target instanceof Enricher) {
            answer = new ManagedEnricher(context, (Enricher) target, (org.apache.camel.model.EnrichDefinition) definition);
        } else if (target instanceof PollEnricher) {
            answer = new ManagedPollEnricher(context, (PollEnricher) target, (org.apache.camel.model.PollEnrichDefinition) definition);
        } else if (target instanceof org.apache.camel.spi.ManagementAware) {
            return ((org.apache.camel.spi.ManagementAware<Processor>) target).getManagedObject(processor);
        }
        // special for custom load balancer
        if (definition instanceof LoadBalanceDefinition) {
            LoadBalanceDefinition lb = (LoadBalanceDefinition) definition;
            if (lb.getLoadBalancerType() instanceof CustomLoadBalancerDefinition) {
                answer = new ManagedCustomLoadBalancer(context, (LoadBalancer) target, (LoadBalanceDefinition) definition);
            }
        }
        if (answer != null) {
            // break out as we found an answer
            break;
        }
        // no answer yet, so unwrap any delegates and try again
        if (target instanceof DelegateProcessor) {
            target = ((DelegateProcessor) target).getProcessor();
        } else {
            // no delegate so we dont have any target to try next
            break;
        }
    }
    if (answer == null && definition instanceof ProcessDefinition) {
        answer = new ManagedProcess(context, target, (ProcessDefinition) definition);
    } else if (answer == null) {
        // fallback to a generic processor
        answer = new ManagedProcessor(context, target, definition);
    }
    answer.setRoute(route);
    answer.init(context.getManagementStrategy());
    return answer;
}

Example 3 with BeanProcessor

use of org.apache.camel.component.bean.BeanProcessor in project camel by apache.

the class BeanInfoTest method testBeanProcessor.

public void testBeanProcessor() throws Exception {
    BeanProcessor processor = new BeanProcessor(bean, info);
    processor.process(exchange);
    assertEquals("Hello James!", exchange.getIn().getBody());
}

Example 4 with BeanProcessor

use of org.apache.camel.component.bean.BeanProcessor in project camel by apache.

the class CamelServiceExporter method afterPropertiesSet.

public void afterPropertiesSet() throws Exception {
    // lets bind the URI to a pojo
    notNull(uri, "uri");
    // Always resolve the camel context by using the camelContextID
    if (ObjectHelper.isNotEmpty(camelContextId)) {
        camelContext = CamelContextResolverHelper.getCamelContextWithId(applicationContext, camelContextId);
    }
    notNull(camelContext, "camelContext");
    if (serviceRef != null && getService() == null && applicationContext != null) {
        setService(applicationContext.getBean(serviceRef));
    }
    Endpoint endpoint = CamelContextHelper.getMandatoryEndpoint(camelContext, uri);
    notNull(getService(), "service");
    Object proxy = getProxyForService();
    try {
        // need to start endpoint before we create consumer
        ServiceHelper.startService(endpoint);
        consumer = endpoint.createConsumer(new BeanProcessor(proxy, camelContext));
        // add and start consumer
        camelContext.addService(consumer, true, true);
    } catch (Exception e) {
        throw new FailedToCreateConsumerException(endpoint, e);
    }
}

Example 5 with BeanProcessor

use of org.apache.camel.component.bean.BeanProcessor in project camel by apache.

the class BeanDefinition method createProcessor.

@Override
public Processor createProcessor(RouteContext routeContext) throws Exception {
    BeanProcessor answer;
    Class<?> clazz = bean != null ? bean.getClass() : null;
    BeanHolder beanHolder;
    if (ObjectHelper.isNotEmpty(ref)) {
        // lets cache by default
        if (isCacheBean()) {
            // cache the registry lookup which avoids repeat lookup in the registry
            beanHolder = new RegistryBean(routeContext.getCamelContext(), ref).createCacheHolder();
            // bean holder will check if the bean exists
            bean = beanHolder.getBean();
        } else {
            // we do not cache so we invoke on-demand
            beanHolder = new RegistryBean(routeContext.getCamelContext(), ref);
        }
        answer = new BeanProcessor(beanHolder);
    } else {
        if (bean == null) {
            if (beanType == null && beanClass == null) {
                throw new IllegalArgumentException("bean, ref or beanType must be provided");
            }
            // the clazz is either from beanType or beanClass
            if (beanType != null) {
                try {
                    clazz = routeContext.getCamelContext().getClassResolver().resolveMandatoryClass(beanType);
                } catch (ClassNotFoundException e) {
                    throw ObjectHelper.wrapRuntimeCamelException(e);
                }
            } else {
                clazz = beanClass;
            }
            // create a bean if there is a default public no-arg constructor
            if (isCacheBean() && ObjectHelper.hasDefaultPublicNoArgConstructor(clazz)) {
                bean = CamelContextHelper.newInstance(routeContext.getCamelContext(), clazz);
                ObjectHelper.notNull(bean, "bean", this);
            }
        }
        // to a bean name but the String is being invoke instead
        if (bean instanceof String) {
            throw new IllegalArgumentException("The bean instance is a java.lang.String type: " + bean + ". We suppose you want to refer to a bean instance by its id instead. Please use ref.");
        }
        // the holder should either be bean or type based
        if (bean != null) {
            beanHolder = new ConstantBeanHolder(bean, routeContext.getCamelContext());
        } else {
            if (isCacheBean() && ObjectHelper.hasDefaultPublicNoArgConstructor(clazz)) {
                // we can only cache if we can create an instance of the bean, and for that we need a public constructor
                beanHolder = new ConstantTypeBeanHolder(clazz, routeContext.getCamelContext()).createCacheHolder();
            } else {
                if (ObjectHelper.hasDefaultPublicNoArgConstructor(clazz)) {
                    beanHolder = new ConstantTypeBeanHolder(clazz, routeContext.getCamelContext());
                } else {
                    // this is only for invoking static methods on the bean
                    beanHolder = new ConstantStaticTypeBeanHolder(clazz, routeContext.getCamelContext());
                }
            }
        }
        answer = new BeanProcessor(beanHolder);
    }
    // check for multiParameterArray setting
    if (multiParameterArray != null) {
        answer.setMultiParameterArray(multiParameterArray);
    }
    // check for method exists
    if (method != null) {
        answer.setMethod(method);
        // which we only want to do if we cache the bean
        if (isCacheBean()) {
            BeanInfo beanInfo = beanHolder.getBeanInfo();
            if (bean != null) {
                // there is a bean instance, so check for any methods
                if (!beanInfo.hasMethod(method)) {
                    throw ObjectHelper.wrapRuntimeCamelException(new MethodNotFoundException(null, bean, method));
                }
            } else if (clazz != null) {
                // there is no bean instance, so check for static methods only
                if (!beanInfo.hasStaticMethod(method)) {
                    throw ObjectHelper.wrapRuntimeCamelException(new MethodNotFoundException(null, clazz, method, true));
                }
            }
        }
    }
    return answer;
}