/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.apache.skywalking.apm.testcase.guava.eventbus.service;

import com.google.common.eventbus.Subscribe;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.AsyncContext;
import org.apache.skywalking.apm.testcase.guava.eventbus.controller.CaseController;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Service;

@Service
public class SubscriberService {

    private final Logger logger = LoggerFactory.getLogger(SubscriberService.class);

    @Subscribe
    public void consumer(TestEvent event) {
        logger.info("Consume event content: {}", event.getContent());
        final AsyncContext asyncContext = event.getAsyncContext();
        if (asyncContext != null) {
            try {
                final PrintWriter writer = asyncContext.getResponse().getWriter();
                writer.write(CaseController.SUCCESS);
                writer.flush();
            } catch (IOException e) {
                e.printStackTrace();
            } finally {
                asyncContext.complete();
            }
        }
    }
}
