/*
* 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.
*/
package org.springframework.integration.samples.si4demo.springone.e;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.boot.builder.SpringApplicationBuilder;
import org.springframework.context.ConfigurableApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
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.messaging.MessageChannel;
/**
*
* @author Gary Russell
*
*/
@Configuration
@EnableAutoConfiguration
@IntegrationComponentScan
public class EDSL {
public static void main(String[] args) throws Exception {
ConfigurableApplicationContext ctx =
new SpringApplicationBuilder(EDSL.class)
.web(false)
.run(args);
System.out.println(ctx.getBean(FooService.class).foo("foo"));
ctx.close();
}
@MessagingGateway(defaultRequestChannel="foo")
public static interface FooService {
String foo(String request);
}
@Bean
public MessageChannel foo() {
return new DirectChannel();
}
@Bean
IntegrationFlow flow() {
return IntegrationFlows.from(foo())
.transform("payload + payload")
.handle(String.class, (p, h) -> p.toUpperCase())
.get();
}
}