-/*
- * Copyright (C) 2015 - EfficiOS Inc., Alexandre Montplaisir <alexmonthy@efficios.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to
- * deal in the Software without restriction, including without limitation the
- * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
- * sell copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
- * IN THE SOFTWARE.
- */
-
-import java.io.IOException;
-import java.util.logging.Level;
-
-import org.lttng.ust.agent.ILttngHandler;
-import org.lttng.ust.agent.filter.FilterChangeNotifier;
-import org.lttng.ust.agent.filter.IFilterChangeListener;
-import org.lttng.ust.agent.jul.LttngLogHandler;
-import org.lttng.ust.agent.session.EventRule;
-import org.lttng.ust.agent.session.LogLevelSelector;
-
-/**
- * Example usage of a {@link IFilterChangeListener}.
- *
- * This listener will simply print to stdout the notifications it receives. To
- * try it, run the program, then issue "lttng enable-event" and
- * "lttng disable-event" commands for the JUL domain.
- *
- * @author Alexandre Montplaisir
- */
-public class FilerChangeListenerExample {
-
- private static class ExampleFilterChangeListener implements IFilterChangeListener {
-
- @Override
- public void eventRuleAdded(EventRule rule) {
- System.out.println();
- System.out.println("New event rule enabled:");
- System.out.println("Event name: " + rule.getEventName());
- System.out.println(printLogLevel(rule.getLogLevelSelector()));
- System.out.println("Filter string: " + rule.getFilterString());
- }
-
- @Override
- public void eventRuleRemoved(EventRule rule) {
- System.out.println();
- System.out.println("Event rule disabled:");
- System.out.println("Event name: " + rule.getEventName());
- System.out.println(printLogLevel(rule.getLogLevelSelector()));
- System.out.println("Filter string: " + rule.getFilterString());
- }
-
- /**
- * Convenience method to print integer log level values into their JUL
- * equivalent.
- */
- private static String printLogLevel(LogLevelSelector lls) {
- String llname = Level.parse(String.valueOf(lls.getLogLevel())).getName();
- return "Log level: " + llname + ", filter type: " + lls.getLogLevelType().toString();
- }
- }
-
- /**
- * Run the program.
- *
- * @param args
- * Command-line arguments (not used)
- * @throws IOException
- */
- public static void main(String args[]) throws IOException {
- /* We need at least one log handler to activate the LTTng agent */
- ILttngHandler handler = new LttngLogHandler();
-
- /* Create a listener and register it to the manager */
- IFilterChangeListener listener = new ExampleFilterChangeListener();
- FilterChangeNotifier.getInstance().registerListener(listener);
-
- System.out.println("Press Enter to finish.");
- System.in.read();
-
- /* Unregister the listener */
- FilterChangeNotifier.getInstance().unregisterListener(listener);
-
- /* Cleanup the log handler we created */
- handler.close();
- }
-}
\ No newline at end of file