baseserver.java.svn-base

cqME :java framework for TCK test.

/*
 * $Id$
 *
 * Copyright 1996-2007 Sun Microsystems, Inc. All Rights Reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License version
 * 2 only, as published by the Free Software Foundation.
 *
 * 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 version 2 for more details (a copy is
 * included at /legal/license.txt).
 *
 * You should have received a copy of the GNU General Public License
 * version 2 along with this work; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA
 *
 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
 * Clara, CA 95054 or visit www.sun.com if you need additional
 * information or have any questions.
 *
 */

package com.sun.cldc.communication.midp;

import java.io.IOException;
import java.net.MalformedURLException;
import java.net.ServerSocket;
import java.net.URL;
import java.util.ResourceBundle;

public abstract class BaseServer {
    protected boolean done;

    protected int handlerCount = 5;
    protected Thread[] runners;
    protected boolean verbose = true;
    protected ServerSocket socket;
    protected String host;
    protected int port;
    protected int retry;

    protected static final String RETRY_AFTER = "retry.after=";
    protected static final String VERBOSE = "verbose=";

    protected static final String HTTP_PORT = "http.port=";
    protected static final String HTTP_URL = "http.url=";
    protected static final String TEST_URL = "test.url=";

    /**
     *  This method must be called from every extending class.
     */
    public void processArg(String arg) {
        if (arg.startsWith(RETRY_AFTER) && arg.length() > RETRY_AFTER.length()) {
            try {
                retry = Integer.parseInt(arg.substring(RETRY_AFTER.length()));
            } catch (NumberFormatException nfe) {
                throw new IllegalArgumentException(i18n.getString("error.retry")
                                   + arg.substring(RETRY_AFTER.length()));
            }
        } else if (arg.startsWith(VERBOSE) && arg.length() > VERBOSE.length()) {
            verbose = new Boolean(arg.substring(VERBOSE.length())).booleanValue();
        } else if (arg.startsWith(HTTP_URL) && arg.length() > HTTP_URL.length()) {
            try {
                URL url = new URL(arg.substring(HTTP_URL.length()));
                host = url.getHost();
                port = url.getPort();
            } catch (MalformedURLException e) {
                throw new IllegalArgumentException(i18n.getString("error.url")
                                    + arg.substring(HTTP_URL.length()));
            }
        } else if (arg.startsWith(HTTP_PORT) && arg.length() > HTTP_PORT.length()) {
            try {
                port = Integer.parseInt(arg.substring(HTTP_PORT.length()));
            } catch (NumberFormatException nfe) {
                throw new IllegalArgumentException(i18n.getString("error.port")
                                       + arg.substring(HTTP_PORT.length()));
            }
        } else {
            throw new IllegalArgumentException(i18n.getString("error.argument") + arg);
        }
    }

    public void verboseln(String s) {
        if (verbose) {
            System.out.println(s);
        }
    }

    public void verbosetrace(Throwable t) {
        if (verbose) {
            t.printStackTrace();
        }
    }
    
    public boolean isDone() {
        return done;
    }

    /**
     * Process input arguments and initialize necessary parts of the server
     * @param args the string array of input arguments
     */
    public abstract void init(String[] args);

    /**
     * Starts the server.
     */
    public synchronized void start() {
        if (!done) throw new IllegalThreadStateException(i18n.getString("error.httpState"));
        try {
            socket = new ServerSocket(port, 50);
            socket.setSoTimeout(5000);
        } catch (IOException ioe) {
            throw new RuntimeException(i18n.getString("error.socket") + port);
        }
 
        done = false;
        for (int i = 0; i < handlerCount; i++) {
            ((BaseHttpServer)runners[i]).setSocket(socket);
            runners[i].start();
        }
    }

    public synchronized void stop() {
        if (done) return;
        done = true;

        // wait for 5 sec to let the handlers exit gracefully
        long current = System.currentTimeMillis();
        for (int i = 0; i < handlerCount; i++) {
            if (runners[i].isAlive()) {
                try {
                    runners[i].join(5000);
                } catch (InterruptedException x) {}
                if (System.currentTimeMillis() >= current + 5000)
                    break;   // timeout
            }
        }

        // it didn't do it - try to force it
        for (int i = 0; i < handlerCount; i++) {
            if (runners[i].isAlive()) {
                runners[i].interrupt();
            }
        }

        try {socket.close();} catch (IOException x) {}
    }

    private static final ResourceBundle i18n = 
        ResourceBundle.getBundle("com.sun.cldc.communication.midp.i18n");

}