mylogging.java

The WLAN Traffic Visualizer is a platform independent Java program providing accurate measurement of

package main;

//Copyright (C) 2008 Harald Unander, Wang Wenjuan
//
//    This file is part of WlanTV.
//
//    WlanTV 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 3 of the License, or
//    (at your option) any later version.
//
//    WlanTV 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 WlanTV.  If not, see <http://www.gnu.org/licenses/>.

import java.awt.Color;
import java.awt.Dimension;
import java.util.LinkedHashSet;
import java.util.Set;

import javax.swing.BoxLayout;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;

@SuppressWarnings("serial")
public class MyLogging extends JPanel {
	JTextArea ta;
	JScrollPane sa;
	String nl = "";
	Set<String> msgSet = new LinkedHashSet<String>();

	public MyLogging()
	{
		ta = new JTextArea();
		//		ta.setFont(getFont().deriveFont(Font.ITALIC));
		ta.setForeground(Color.RED);
		sa = new JScrollPane(ta);
		add(sa);
		sa.setPreferredSize(new Dimension(0,50));
		setVisible(true);
		setLayout(new BoxLayout(this,BoxLayout.X_AXIS));
	}

	public void addWarning(Object object, String msg) {
		String line;
		if (object != null)
			line = object.getClass().getCanonicalName()+" : "+msg;
		else
			line = msg;
		if (!msgSet.contains(line)) {
			msgSet.add(line);
			ta.setText("");
			nl = "";
			for (String s : msgSet)
			{
				ta.append(nl+s);
				ta.setCaretPosition(ta.getDocument().getLength());
				nl = "\n";
			}
		}
	}

	public void clear() {
		ta.setText("");
	}
}