/hudson-core/src/main/java/hudson/triggers/SafeTimerTask.java
http://github.com/hudson/hudson · Java · 65 lines · 21 code · 7 blank · 37 comment · 0 complexity · d5adf5ac0cf31d525340ff364afbfd57 MD5 · raw file
- /*
- * The MIT License
- *
- * Copyright (c) 2004-2009, Sun Microsystems, Inc., Kohsuke Kawaguchi
- *
- * 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.
- */
- package hudson.triggers;
- import org.acegisecurity.context.SecurityContextHolder;
- import java.util.Timer;
- import java.util.TimerTask;
- import java.util.logging.Logger;
- import java.util.logging.Level;
- import hudson.security.ACL;
- /**
- * {@link Timer} wrapper so that a fatal error in {@link TimerTask}
- * won't terminate the timer.
- *
- * <p>
- * {@link Trigger#timer} is a shared timer instance that can be used inside Hudson to
- * schedule a recurring work.
- *
- * @author Kohsuke Kawaguchi
- * @since 1.124
- * @see Trigger#timer
- */
- public abstract class SafeTimerTask extends TimerTask {
- public final void run() {
- // background activity gets system credential,
- // just like executors get it.
- SecurityContextHolder.getContext().setAuthentication(ACL.SYSTEM);
- try {
- doRun();
- } catch(Throwable t) {
- LOGGER.log(Level.SEVERE, "Timer task "+this+" failed",t);
- } finally {
- SecurityContextHolder.clearContext();
- }
- }
- protected abstract void doRun() throws Exception;
- private static final Logger LOGGER = Logger.getLogger(SafeTimerTask.class.getName());
- }