/*
* Copyright (c) xlightweb.org, 2006 - 2009. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Please refer to the LGPL license at: http://www.gnu.org/copyleft/lesser.txt
* The latest copy of this software may be found on http://www.xlightweb.org/
*/
package org.xlightweb;
import java.io.IOException;
import java.util.Date;
import java.util.Timer;
import java.util.TimerTask;
import org.xlightweb.server.HttpServer;
import org.xsocket.connection.IServer;
/**
*
* @author grro@xlightweb.org
*/
public final class TimerExample {
public static void main(String... args) throws IOException {
Context rootCtx = new Context("");
rootCtx.addHandler("/service/*", new TimerHandler());
String basePath = TimerExample.class.getResource("").getFile();
rootCtx.addHandler("/*", new FileServiceRequestHandler(basePath, true));
IServer server = new HttpServer(9091, rootCtx);
server.run();
}
private static final class TimerHandler implements IHttpRequestHandler {
private final Timer timer = new Timer("timer", true);
public void onRequest(IHttpExchange exchange) throws IOException {
// handle the time request
if (exchange.getRequest().getRequestURI().endsWith("/time")) {
// write the message header by retrieving the body handle
final BodyDataSink outChannel = exchange.send(new HttpResponseHeader(200, "text/html"));
// timer task definition
TimerTask timerTask = new TimerTask() {
public void run() {
try {
String script = "<script>\r\n" +
" parent.printTime(\"" + new Date().toString() + "\");\r\n" +
"</script>";
outChannel.write(script);
} catch (IOException ioe) {
cancel();
try {
outChannel.close();
} catch (IOException ignore) { }
}
}
};
// start the timer task
timer.schedule(timerTask, 0, 1000);
}
}
}
}