org.mule.transport.http.functional.MockHttpServer.java Source code

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Here is the source code for org.mule.transport.http.functional.MockHttpServer.java

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/*
 * Copyright (c) MuleSoft, Inc.  All rights reserved.  http://www.mulesoft.com
 * The software in this package is published under the terms of the CPAL v1.0
 * license, a copy of which has been included with this distribution in the
 * LICENSE.txt file.
 */

package org.mule.transport.http.functional;

import org.mule.transport.http.HttpRequest;
import org.mule.transport.http.RequestLine;

import java.io.InputStream;
import java.io.OutputStream;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;

import org.apache.commons.httpclient.HttpParser;

public abstract class MockHttpServer extends Object implements Runnable {

    private static final long MOCK_HTTP_SERVER_TIMEOUT = 10000;

    public static final String HTTP_STATUS_LINE_OK = "HTTP/1.1 200 OK\n";

    private final int listenPort;
    private final CountDownLatch startupLatch = new CountDownLatch(1);
    private final CountDownLatch shutdownLatch = new CountDownLatch(1);

    public MockHttpServer(int listenPort) {
        this.listenPort = listenPort;
    }

    protected abstract void processRequests(InputStream in, OutputStream out) throws Exception;

    public void run() {
        try {
            ServerSocket serverSocket = new ServerSocket(listenPort);
            startupLatch.countDown();

            Socket clientSocket = serverSocket.accept();

            InputStream in = clientSocket.getInputStream();
            OutputStream out = clientSocket.getOutputStream();

            processRequests(in, out);

            in.close();
            out.close();
            clientSocket.close();
            serverSocket.close();

            shutdownLatch.countDown();
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }

    protected HttpRequest parseRequest(InputStream in, String encoding) {
        try {
            String line = HttpParser.readLine(in, encoding);
            RequestLine requestLine = RequestLine.parseLine(line);

            return new HttpRequest(requestLine, HttpParser.parseHeaders(in, encoding), in, encoding);

        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }

    public boolean waitUntilServerStarted() throws Exception {
        return startupLatch.await(MOCK_HTTP_SERVER_TIMEOUT, TimeUnit.MILLISECONDS);
    }

    public boolean waitUntilServerStopped() throws Exception {
        return shutdownLatch.await(MOCK_HTTP_SERVER_TIMEOUT, TimeUnit.MILLISECONDS);
    }
}