org.apache.activemq.test.WebServerComponentTest.java Source code

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Here is the source code for org.apache.activemq.test.WebServerComponentTest.java

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/**
 * 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.activemq.test;

import io.netty.bootstrap.Bootstrap;
import io.netty.channel.Channel;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.SimpleChannelInboundHandler;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.nio.NioSocketChannel;
import io.netty.handler.codec.http.DefaultFullHttpRequest;
import io.netty.handler.codec.http.HttpClientCodec;
import io.netty.handler.codec.http.HttpContent;
import io.netty.handler.codec.http.HttpHeaders;
import io.netty.handler.codec.http.HttpMethod;
import io.netty.handler.codec.http.HttpObject;
import io.netty.handler.codec.http.HttpRequest;
import io.netty.handler.codec.http.HttpVersion;
import io.netty.util.CharsetUtil;
import org.apache.activemq.component.WebServerComponent;
import org.apache.activemq.dto.WebServerDTO;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;

import java.net.URI;
import java.net.URISyntaxException;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;

public class WebServerComponentTest extends Assert {
    static final String URL = System.getProperty("url", "http://localhost:8161/WebServerComponentTest.txt");
    private Bootstrap bootstrap;
    private EventLoopGroup group;

    @Before
    public void setupNetty() throws URISyntaxException {
        // Configure the client.
        group = new NioEventLoopGroup();
        bootstrap = new Bootstrap();
    }

    @Test
    public void simpleServer() throws Exception {
        WebServerDTO webServerDTO = new WebServerDTO();
        webServerDTO.bind = "http://localhost:8161";
        webServerDTO.path = "webapps";
        WebServerComponent webServerComponent = new WebServerComponent();
        webServerComponent.configure(webServerDTO, "./src/test/resources/");
        webServerComponent.start();
        // Make the connection attempt.
        CountDownLatch latch = new CountDownLatch(1);
        final ClientHandler clientHandler = new ClientHandler(latch);
        bootstrap.group(group).channel(NioSocketChannel.class).handler(new ChannelInitializer() {
            @Override
            protected void initChannel(Channel ch) throws Exception {
                ch.pipeline().addLast(new HttpClientCodec());
                ch.pipeline().addLast(clientHandler);
            }
        });
        Channel ch = bootstrap.connect("localhost", 8161).sync().channel();

        URI uri = new URI(URL);
        // Prepare the HTTP request.
        HttpRequest request = new DefaultFullHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.GET, uri.getRawPath());
        request.headers().set(HttpHeaders.Names.HOST, "localhost");

        // Send the HTTP request.
        ch.writeAndFlush(request);
        assertTrue(latch.await(5, TimeUnit.SECONDS));
        assertEquals(clientHandler.body, "12345");
        // Wait for the server to close the connection.
        ch.close();
        webServerComponent.stop();
    }

    class ClientHandler extends SimpleChannelInboundHandler<HttpObject> {
        private CountDownLatch latch;
        private String body;

        public ClientHandler(CountDownLatch latch) {
            this.latch = latch;
        }

        @Override
        public void channelRead0(ChannelHandlerContext ctx, HttpObject msg) {
            if (msg instanceof HttpContent) {
                HttpContent content = (HttpContent) msg;
                body = content.content().toString(CharsetUtil.UTF_8);
                latch.countDown();
            }
        }

        public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) {
            cause.printStackTrace();
            ctx.close();
        }
    }
}