/*
* Simbad - Robot Simulator
* Copyright (C) 2004 Louis Hugues
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
-----------------------------------------------------------------------------
* $Author: sioulseuguh $
* $Date: 2005/01/08 16:51:30 $
* $Revision: 1.3 $
* $Source: /cvsroot/simbad/src/simbad/gui/Console.java,v $
*/
package org.myrobotlab.mapper.gui;
import java.awt.Font;
import java.io.IOException;
import java.io.PipedInputStream;
import java.io.PipedOutputStream;
import java.io.PrintStream;
import javax.swing.JInternalFrame;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.ScrollPaneConstants;
/**
* <p>
* Redirects all System.out.print in a window
* <p>
*/
public class Console extends JInternalFrame implements Runnable {
private static final long serialVersionUID = 1L;
Thread thread;
PipedOutputStream out;
PipedInputStream in;
JTextArea jtextArea;
JScrollPane jscrollPane;
static int MAXLENGHT = 10 * 1024;
public Console(int sizex, int sizey) {
super("System.out");
initialize();
setSize(sizex, sizey);
}
private void initialize() {
// redirige la System.out sur un pipe
try {
out = new PipedOutputStream();
in = new PipedInputStream(out);
} catch (IOException e) {
System.err.println(" IO Exception");
}
System.setOut(new PrintStream(out));
jtextArea = new JTextArea(30, 30);
jtextArea.setEditable(false);
jtextArea.setAutoscrolls(true);
jtextArea.setFont(new Font("Courier", Font.PLAIN, 10));
jscrollPane = new JScrollPane(jtextArea);
jscrollPane.setHorizontalScrollBarPolicy(ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER);
setContentPane(jscrollPane);
thread = new Thread(this);
thread.start();
setResizable(true);
}
@Override
public void run() {
while (true) {
try {
Thread.sleep(100);
if (in.available() > 0) {
byte buf[] = new byte[in.available()];
in.read(buf, 0, buf.length);
// blocking should be ?
String text = jtextArea.getText();
text += new String(buf);
int l = text.length();
if (l > MAXLENGHT)
text = text.substring(l - MAXLENGHT, l - 1);
jtextArea.setText(text);
jtextArea.setCaretPosition(jtextArea.getDocument().getLength());
}
} catch (IOException e) {
System.err.println("Console IO Exception");
} catch (InterruptedException e) {
}
}
}
}