org.apache.camel.builder.ValueBuilder Java Examples

private Processor divideByValueOf(ValueBuilder valueBuilder) {
	return new Processor() {
		@Override
		public void process(Exchange exchange) throws Exception {
			Message in = exchange.getIn();
			BigDecimal sum = new BigDecimal(
					checkNotNull(in.getBody(Number.class), "Body of %s is null", in).toString());
			BigDecimal divisor = new BigDecimal(checkNotNull(valueBuilder.evaluate(exchange, Integer.class),
					"No %s set in exchange %s", valueBuilder, exchange).toString());
			in.setBody(sum.divide(divisor, HALF_UP));
		}

		@Override
		public String toString() {
			return "Processor divideByValueOf by " + valueBuilder;
		}

	};
}
 

@Override
public void configure() throws Exception {

    final URL wsdlURL = this.getClass().getClassLoader().getResource("wsdl/SoapAPI.wsdl");

    // CXF Endpoint
    final String SOAP_ENDPOINT = "cxf:" + ENDPOINT + "?wsdlURL=" + wsdlURL.toString()
        + "&serviceName={http://opentosca.org/appinvoker/}AppInvokerSoapWebServiceService&portName="
        + PORT.toString() + "&dataFormat=PAYLOAD&loggingFeatureEnabled=true";

    final ValueBuilder APP_BUS_ENDPOINT =
        new ValueBuilder(method(ApplicationBusServiceHandler.class, "getApplicationBusRoutingEndpoint"));
    final Predicate APP_BUS_ENDPOINT_EXISTS = PredicateBuilder.isNotNull(APP_BUS_ENDPOINT);

    final ClassLoader cl = org.opentosca.bus.application.api.soaphttp.model.ObjectFactory.class.getClassLoader();
    final JAXBContext jc = JAXBContext.newInstance("org.opentosca.bus.application.api.soaphttp.model", cl);
    final JaxbDataFormat jaxb = new JaxbDataFormat(jc);

    final Processor requestProcessor = new RequestProcessor();
    final Processor responseProcessor = new ResponseProcessor();

    from(SOAP_ENDPOINT).unmarshal(jaxb).process(requestProcessor).choice().when(APP_BUS_ENDPOINT_EXISTS)
        //FIXME this recipientList should be replaced with a directly injected service reference
        .recipientList(APP_BUS_ENDPOINT).to("direct:handleResponse").endChoice().otherwise()
        .to("direct:handleException");

    // handle exception if Application Bus is not running or wasn't bound
    from("direct:handleException")
        .throwException(new ApplicationBusInternalException("It seems like the Application Bus is not running."))
        .to("direct:handleResponse");

    // handle response
    from("direct:handleResponse").process(responseProcessor).marshal(jaxb);
}
 

protected static ValueBuilder body() {
    return Builder.body();
}
 

@Override
public void configure() throws Exception {

    final ValueBuilder APP_BUS_ENDPOINT =
        new ValueBuilder(this.method(ApplicationBusServiceHandler.class, "getApplicationBusRoutingEndpoint"));
    final Predicate APP_BUS_ENDPOINT_EXISTS = PredicateBuilder.isNotNull(APP_BUS_ENDPOINT);

    final InvocationRequestProcessor invocationRequestProcessor = new InvocationRequestProcessor();
    final InvocationResponseProcessor invocationResponseProcessor = new InvocationResponseProcessor();
    final IsFinishedRequestProcessor isFinishedRequestProcessor = new IsFinishedRequestProcessor();
    final IsFinishedResponseProcessor isFinishedResponseProcessor = new IsFinishedResponseProcessor();
    final GetResultRequestProcessor getResultRequestProcessor = new GetResultRequestProcessor();
    final GetResultResponseProcessor getResultResponseProcessor = new GetResultResponseProcessor();
    final ExceptionProcessor exceptionProcessor = new ExceptionProcessor();

    // handle exceptions

    this.onException(Exception.class).handled(true).setBody(property(Exchange.EXCEPTION_CAUGHT))
        .process(exceptionProcessor);

    // INVOKE ROUTES
    // invoke route (for ServiceInstance)
    this.from("restlet:" + Route.BASE_ENDPOINT + Route.INVOKE_ENDPOINT_SI + "?restletMethod=post")
        .to("direct:invoke");

    // invoke route (for NodeInstance)
    this.from("restlet:" + Route.BASE_ENDPOINT + Route.INVOKE_ENDPOINT_NI + "?restletMethod=post")
        .to("direct:invoke");

    // invoke route
    this.from("direct:invoke").process(invocationRequestProcessor).to(Route.TO_APP_BUS_ENDPOINT).choice()
        .when(property(Exchange.EXCEPTION_CAUGHT).isNull()).process(invocationResponseProcessor).removeHeaders("*")
        .otherwise().process(exceptionProcessor);

    // IS FINISHED ROUTES
    // isFinished route (for ServiceInstance)
    this.from("restlet:" + Route.BASE_ENDPOINT + Route.POLL_ENDPOINT_SI + "?restletMethod=get")
        .to("direct:isFinished");

    // isFinished route (for NodeInstance)
    this.from("restlet:" + Route.BASE_ENDPOINT + Route.POLL_ENDPOINT_NI + "?restletMethod=get")
        .to("direct:isFinished");

    // isFinished route
    this.from("direct:isFinished").process(isFinishedRequestProcessor).to(Route.TO_APP_BUS_ENDPOINT)
        .process(isFinishedResponseProcessor).removeHeaders("*");

    // GET RESULT ROUTES
    // getResult route (for ServiceInstance)
    this.from("restlet:" + Route.BASE_ENDPOINT + Route.GET_RESULT_ENDPOINT_SI + "?restletMethod=get")
        .to("direct:getResult");

    // getResult route (for NodeInstance)
    this.from("restlet:" + Route.BASE_ENDPOINT + Route.GET_RESULT_ENDPOINT_NI + "?restletMethod=get")
        .to("direct:getResult");

    // getResult route
    this.from("direct:getResult").process(getResultRequestProcessor).to(Route.TO_APP_BUS_ENDPOINT)
        .process(getResultResponseProcessor).removeHeaders("*");

    // applicationBus route, throws exception if Application Bus is not
    // running or wasn't binded
    this.from(Route.TO_APP_BUS_ENDPOINT).choice().when(APP_BUS_ENDPOINT_EXISTS).recipientList(APP_BUS_ENDPOINT)
        .endChoice().otherwise().to("direct:handleException");

    // handle exception if Application Bus is not running or wasn't binded
    this.from("direct:handleException")
        .throwException(new ApplicationBusInternalException("The Application Bus is not running."));
}
 

@Override
public void configure() throws Exception {

    final ValueBuilder APP_BUS_ENDPOINT = new ValueBuilder(method(ApplicationBusServiceHandler.class, "getApplicationBusRoutingEndpoint"));
    final Predicate APP_BUS_ENDPOINT_EXISTS = PredicateBuilder.isNotNull(APP_BUS_ENDPOINT);

    final InvocationRequestProcessor invocationRequestProcessor = new InvocationRequestProcessor();
    final InvocationResponseProcessor invocationResponseProcessor = new InvocationResponseProcessor();
    final IsFinishedRequestProcessor isFinishedRequestProcessor = new IsFinishedRequestProcessor();
    final IsFinishedResponseProcessor isFinishedResponseProcessor = new IsFinishedResponseProcessor();
    final GetResultRequestProcessor getResultRequestProcessor = new GetResultRequestProcessor();
    final GetResultResponseProcessor getResultResponseProcessor = new GetResultResponseProcessor();
    final ExceptionProcessor exceptionProcessor = new ExceptionProcessor();

    // handle exceptions

    onException(Exception.class).handled(true).setBody(property(Exchange.EXCEPTION_CAUGHT))
        .process(exceptionProcessor);

    // invoke route
    from("restlet:" + Route.BASE_ENDPOINT + Route.INVOKE_ENDPOINT + "?restletMethod=post")
        .process(invocationRequestProcessor).to(Route.TO_APP_BUS_ENDPOINT).choice()
        .when(property(Exchange.EXCEPTION_CAUGHT).isNull()).process(invocationResponseProcessor).removeHeaders("*")
        .otherwise().process(exceptionProcessor);

    // isFinished route
    from("restlet:" + Route.BASE_ENDPOINT + Route.POLL_ENDPOINT + "?restletMethod=get")
        .process(isFinishedRequestProcessor).to(Route.TO_APP_BUS_ENDPOINT).process(isFinishedResponseProcessor)
        .removeHeaders("*");

    // getResult route
    from("restlet:" + Route.BASE_ENDPOINT + Route.GET_RESULT_ENDPOINT + "?restletMethod=get")
        .process(getResultRequestProcessor).to(Route.TO_APP_BUS_ENDPOINT).process(getResultResponseProcessor)
        .removeHeaders("*");

    // applicationBus route, throws exception if Application Bus is not
    // running or wasn't binded
    from(Route.TO_APP_BUS_ENDPOINT).choice().when(APP_BUS_ENDPOINT_EXISTS).recipientList(APP_BUS_ENDPOINT)
        .endChoice().otherwise().to("direct:handleException");

    // handle exception if Application Bus is not running or wasn't binded
    from("direct:handleException")
        .throwException(new ApplicationBusInternalException("The Application Bus is not running."));
}