/*
 * JBoss, Home of Professional Open Source.
 * Copyright 2018 Red Hat, Inc., and individual contributors
 * as indicated by the @author tags.
 * 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 io.undertow.servlet.test.async;

import java.io.IOException;
import java.util.concurrent.LinkedBlockingDeque;

import javax.servlet.AsyncContext;
import javax.servlet.AsyncEvent;
import javax.servlet.AsyncListener;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * @author Stuart Douglas
 */
public class AsyncErrorListenerServlet extends HttpServlet {

    static final LinkedBlockingDeque<String> EVENTS = new LinkedBlockingDeque<>();


    @Override
    protected void doGet(final HttpServletRequest req, final HttpServletResponse resp) throws ServletException, IOException {
        AsyncContext ac = req.startAsync();
        ac.addListener(new AsyncListener() {
            @Override
            public void onComplete(AsyncEvent event) throws IOException {
                EVENTS.add("COMPLETED");
            }

            @Override
            public void onTimeout(AsyncEvent event) throws IOException {

            }

            @Override
            public void onError(AsyncEvent event) throws IOException {
                EVENTS.add("ERROR");
            }

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

            }
        });
        throw new RuntimeException("FAILED");
    }

    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        doGet(req, resp);
    }
}
