com.twinsoft.convertigo.eclipse.learnproxy.http.HttpProxy.java Source code

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Here is the source code for com.twinsoft.convertigo.eclipse.learnproxy.http.HttpProxy.java

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/*
 * Copyright (c) 2001-2011 Convertigo SA.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Affero General Public License
 * as published by the Free Software Foundation; either version 3
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, see<http://www.gnu.org/licenses/>.
 *
 * $URL$
 * $Author$
 * $Revision$
 * $Date$
 */

package com.twinsoft.convertigo.eclipse.learnproxy.http;

import java.io.IOException;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

//import org.apache.commons.logging.Log;
//import org.apache.commons.logging.LogFactory;

import com.twinsoft.convertigo.eclipse.ConvertigoPlugin;
import com.twinsoft.convertigo.eclipse.learnproxy.http.gui.HttpProxyEvent;
import com.twinsoft.convertigo.eclipse.learnproxy.http.gui.HttpProxyEventListener;
import com.twinsoft.convertigo.eclipse.learnproxy.util.ConfigManager;

/**
 * The actual proxy server listening for incoming
 * requests. Any request will be passed to tightly 
 * coupled HttpProxyWorker objects.
 * 
 * <br><br><i>HTTPS-tunneling is not yet supported. For a 
 * specification of this see: 
 * http://www.ietf.org/rfc/rfc2817.txt</i>
 * 
 */
public class HttpProxy implements Runnable {

    //private static final Log logger = LogFactory.getLog(HttpProxy.class);

    private int proxyPort = 8800;
    private int timeout = 0;
    private boolean isStopped = false;
    private List<HttpProxyEventListener> listeners = Collections
            .synchronizedList(new ArrayList<HttpProxyEventListener>(2));
    private ConfigManager configManager = null;

    /*static {
        Properties props = System.getProperties();
        Enumeration enumeration = props.keys();
        while (enumeration.hasMoreElements()) {
       String key = (String)enumeration.nextElement();
       //logger.debug(key + " -> " + props.getProperty(key));
        }
    }*/
    public HttpProxy() {
    }

    public HttpProxy(String propsFileName) {
        configManager = new ConfigManager(propsFileName);
        if (configManager.hasLoaded)
            proxyPort = configManager.getIntProperty("proxyPort");
    }

    public void run() {
        ServerSocket serverSocket = null;
        try {
            serverSocket = new ServerSocket(proxyPort);
            serverSocket.setSoTimeout(timeout);
            // logger.info("Proxy started at " + proxyPort);
            while (!isStopped) {
                try {
                    Socket sock = serverSocket.accept();
                    HttpProxyWorker worker = new HttpProxyWorker(this, sock);
                    Thread t = new Thread(worker);
                    t.start();
                } catch (IOException e) {
                    ConvertigoPlugin.logException(e, "Unexpected exception");
                }
            }
        } catch (IOException e) {
            ConvertigoPlugin.logException(e, "Unexpected exception");
        }
    }

    /**
     * Sets an individual request/response pair created by 
     * its worker. This method is purposefully package private 
     * since it should be used only in conjunction with its worker.
     */
    synchronized void setWorkerResult(String method, String responseCode, String path, long starttime,
            byte[] request, byte[] response, long duration) {
        // now notifiy gui...
        if (listeners != null && listeners.size() > 0) {
            // generate event...
            HttpProxyEvent event = new HttpProxyEvent(new String(request), new String(response), path, responseCode,
                    duration, starttime, method, response.length);
            for (int i = 0; i < listeners.size(); i++) {
                listeners.get(i).modelChanged(event);
            }
        }
    }

    void setCurrentAction(String text) {
        // now notifiy gui...
        if (listeners != null && listeners.size() > 0) {
            for (int i = 0; i < listeners.size(); i++) {
                listeners.get(i).operationChanged(text);
            }
        }
    }

    /**
     * Adds ans HttpProxyEventListener to this HttpProxy.
     */
    public void addProxyEventListener(HttpProxyEventListener listener) {
        if (listener != null && listeners != null) {
            this.listeners.add(listener);
        }
    }

    /**
     * Removes ans HttpProxyEventListener to this HttpProxy.
     */
    public void removeProxyEventListener(HttpProxyEventListener listener) {
        if (listener != null && listeners != null) {
            this.listeners.remove(listener);
        }
    }
}