/*
* $Id: ClipboardPoller.java,v 1.1 2005/05/25 19:56:30 ahmed Exp $
*
* 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.
*/
package jaligner.ui.clipboard;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* Checks the system clipboard to notifies a listener with current contents.
*
* @author Ahmed Moustafa (ahmed@users.sf.net)
*/
public class ClipboardPoller extends Thread {
/**
* Sleeping interval
*/
private static final int SLEEPING_TIME_IN_MILLISECONDS = 1500;
/**
* Clipboard listener {@link ClipboardListener}
*/
private ClipboardListener listener = null;
/**
* Running flag
*/
private boolean running = false;
/**
* Logger
*/
private Logger logger = null;
/**
* Constructor
* @param listener
*/
public ClipboardPoller(ClipboardListener listener) {
logger = Logger.getLogger(this.getClass().getName());
this.listener = listener;
}
/**
* Runs the thread
*/
public void run() {
logger.info("Started");
while (running) {
String contents = ClipboardHandlerFactory.getClipboardHandler().getContents();
listener.clipboardCheck(contents);
try {
Thread.sleep(SLEEPING_TIME_IN_MILLISECONDS);
} catch (Exception e){
logger.log(Level.SEVERE, "Failed sleeping: " + e.getMessage(), e);
running = false;
}
}
logger.info("Stopped");
}
/**
* Starts the thread
*/
public void start() {
logger.info("Starting...");
if (!running) {
if (listener != null) {
running = true;
} else {
logger.warning("No listener");
}
} else {
logger.warning("Already started");
}
super.start();
}
}