simple.flow.lambda.Application.java Source code

Introduction

Here is the source code for simple.flow.lambda.Application.java

Source

package simple.flow.lambda;

/*
 * 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.ConfigurableApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.integration.annotation.IntegrationComponentScan;
import org.springframework.integration.annotation.MessagingGateway;
import org.springframework.integration.dsl.IntegrationFlow;
import org.springframework.integration.dsl.support.GenericHandler;
import org.springframework.messaging.Message;

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

    public static void main(String[] args) throws Exception {
        ConfigurableApplicationContext ctx = SpringApplication.run(Application.class, args);
        System.out.println(ctx.getBean(FooService.class).foo("foo"));

    }

    @MessagingGateway(defaultRequestChannel = "flow.input")
    public static interface FooService {

        String foo(String request);
    }

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