source: release-kits/wirk3/bin/launch4j/src/net/sf/launch4j/Log.java@ 15023

/*
    Launch4j (http://launch4j.sourceforge.net/)
    Cross-platform Java application wrapper for creating Windows native executables.

    Copyright (C) 2004, 2006 Grzegorz Kowal

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 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, write to the Free Software
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
*/

/*
 * Created on May 12, 2005
 */
package net.sf.launch4j;

import javax.swing.JTextArea;
import javax.swing.SwingUtilities;

/**
 * @author Copyright (C) 2005 Grzegorz Kowal
 */
public abstract class Log {
    private static final Log _consoleLog = new ConsoleLog();
    private static final Log _antLog = new AntLog();

    public abstract void clear();
    public abstract void append(String line);

    public static Log getConsoleLog() {
        return _consoleLog;
    }
    
    public static Log getAntLog() {
        return _antLog;
    }

    public static Log getSwingLog(JTextArea textArea) {
        return new SwingLog(textArea);
    }
}

class ConsoleLog extends Log {
    public void clear() {
        System.out.println("\n");
    }

    public void append(String line) {
        System.out.println("launch4j: " + line);
    }
}

class AntLog extends Log {
    public void clear() {
        System.out.println("\n");
    }

    public void append(String line) {
        System.out.println(line);
    }
}

class SwingLog extends Log {
    private final JTextArea _textArea;

    public SwingLog(JTextArea textArea) {
        _textArea = textArea;
    }

    public void clear() {
        SwingUtilities.invokeLater(new Runnable() {
            public void run() {
                _textArea.setText("");
        }});
    }

    public void append(final String line) {
        SwingUtilities.invokeLater(new Runnable() {
            public void run() {
                _textArea.append(line + "\n");
        }});
    }
}