rest.json.Application.java Source code

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Here is the source code for rest.json.Application.java

Source

package rest.json;

/*
 * Copyright 2014 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import java.util.Map;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.DependsOn;
import org.springframework.http.HttpMethod;
import org.springframework.integration.annotation.IntegrationComponentScan;
import org.springframework.integration.annotation.MessagingGateway;
import org.springframework.integration.channel.DirectChannel;
import org.springframework.integration.dsl.IntegrationFlow;
import org.springframework.integration.dsl.IntegrationFlows;
import org.springframework.integration.dsl.support.GenericHandler;
import org.springframework.integration.http.inbound.HttpRequestHandlingMessagingGateway;
import org.springframework.integration.http.inbound.RequestMapping;
import org.springframework.integration.json.JsonToObjectTransformer;
import org.springframework.messaging.Message;
import org.springframework.messaging.MessageChannel;

@Configuration
@ComponentScan
@IntegrationComponentScan
@EnableAutoConfiguration
public class Application {

    public static void main(String[] args) throws Exception {
        SpringApplication.run(Application.class, args);
    }

    @MessagingGateway(defaultRequestChannel = "requestChannel")
    public interface Gateway {
        String sendReceive(String in);
    }

    @Bean
    public HttpRequestHandlingMessagingGateway httpGate() {
        HttpRequestHandlingMessagingGateway gateway = new HttpRequestHandlingMessagingGateway(true);
        RequestMapping mapping = new RequestMapping();
        mapping.setMethods(HttpMethod.POST);
        mapping.setPathPatterns("/foo");
        gateway.setRequestMapping(mapping);
        gateway.setRequestChannel(requestChannel());
        gateway.setRequestPayloadType(String.class);
        return gateway;
    }

    @Bean
    public MessageChannel requestChannel() {
        return new DirectChannel();
    }

    @Bean
    public IntegrationFlow flow() {
        return IntegrationFlows.from("requestChannel").handle(new GenericHandler<Message>() {
            @Override
            public Object handle(Message payload, Map<String, Object> headers) {
                System.out.println(payload.getPayload().getClass() + " " + payload.getPayload());
                return payload;
            }

        }).channel("TestChannel1").transform(new JsonToObjectTransformer(User.class))
                .handle(new GenericHandler<Message>() {
                    @Override
                    public Object handle(Message payload, Map<String, Object> headers) {
                        System.out.println(
                                "XXXXXXXXX" + payload.getPayload() + " " + payload.getPayload().getClass());
                        return payload;
                    }
                }).get();
    }

    @Bean
    public IntegrationFlow testXChannel1() {
        return IntegrationFlows.from("TestChannel1").handle(new GenericHandler<Message>() {
            @Override
            public Object handle(Message payload, Map<String, Object> headers) {
                System.out.println("TestChannel1: " + payload.getPayload() + " " + payload.getPayload().getClass());
                return payload;
            }
        }).channel("TestChannel2").get();
    }

    @Bean
    public IntegrationFlow testXChannel2() {
        return IntegrationFlows.from("TestChannel2").handle(new GenericHandler<Message>() {
            @Override
            public Object handle(Message payload, Map<String, Object> headers) {
                System.out.println("TestChannel2: " + payload.getPayload() + " " + payload.getPayload().getClass());
                return payload;
            }
        }).channel("testXChannel3.input").get();
    }

    @Bean
    public IntegrationFlow testXChannel3() {
        return f -> f.handle(new GenericHandler<Message>() {
            @Override
            public Object handle(Message payload, Map<String, Object> headers) {
                System.out
                        .println("testXChannel3: " + payload.getPayload() + " " + payload.getPayload().getClass());
                return payload;
            }
        });
    }

}