sample.SampleService.java Source code

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Here is the source code for sample.SampleService.java

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/*
 * Copyright 2015 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 sample;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.context.embedded.EmbeddedServletContainerInitializedEvent;
import org.springframework.context.ApplicationListener;
import org.springframework.integration.annotation.MessageEndpoint;
import org.springframework.integration.annotation.ServiceActivator;
import org.springframework.messaging.Message;
import org.springframework.web.client.RestTemplate;

/**
 * @author Dave Syer
 *
 */
@MessageEndpoint
public class SampleService implements ApplicationListener<EmbeddedServletContainerInitializedEvent> {
    private static final Log log = LogFactory.getLog(SampleService.class);

    @Autowired
    private RestTemplate restTemplate;
    private int port;

    @ServiceActivator(inputChannel = "messages")
    public void log(Message<?> message) {
        log.info("Received: " + message);
        this.restTemplate.getForObject("http://localhost:" + this.port + "/foo", String.class);
    }

    @Override
    public void onApplicationEvent(EmbeddedServletContainerInitializedEvent event) {
        this.port = event.getEmbeddedServletContainer().getPort();
    }
}