BladeAsyncListener.java example

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blade-master
/**
 * Copyright (c) 2015, biezhi 王爵 (biezhi.me@gmail.com)
 * <p>
 * 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
 * <p>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p>
 * 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 com.blade.mvc.dispatch;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import javax.servlet.AsyncEvent;
import javax.servlet.AsyncListener;
import java.io.IOException;

/**
 * Asynchronous Listener
 *
 * @author <a href="mailto:biezhi.me@gmail.com" target="_blank">biezhi</a>
 * @since 1.7.1-alpha
 */
public class BladeAsyncListener implements AsyncListener {

    private static final Logger LOGGER = LoggerFactory.getLogger(BladeAsyncListener.class);

    @Override
    public void onComplete(AsyncEvent event) throws IOException {
    }

    @Override
    public void onTimeout(AsyncEvent event) throws IOException {
        LOGGER.warn("asyn request timeout: {}", event.getAsyncContext().getTimeout());
    }

    @Override
    public void onError(AsyncEvent event) throws IOException {
        LOGGER.warn("asyn request error", event.getThrowable());
    }

    @Override
    public void onStartAsync(AsyncEvent event) throws IOException {
    }
}