WebGoat/ webgoat/ThreadWatcher.java

91 lines
2.3 KiB
Java

package org.owasp.webgoat.util;
import java.util.BitSet;
/**
* Copyright (c) 2002 Free Software Foundation developed under the custody of
* the Open Web Application Security Project (http://www.owasp.org) This
* software package org.owasp.webgoat.is published by OWASP under the GPL. You should read and
* accept the LICENSE before you use, modify and/or redistribute this software.
*
*@author jwilliams@aspectsecurity.com
*@created November 6, 2002
*/
public class ThreadWatcher implements Runnable
{
// time to live in milliseconds
private BitSet myInterrupted;
private Process myProcess;
private int myTimeout;
/**
* Constructor for the ThreadWatcher object
*
*@param p Description of the Parameter
*@param interrupted Description of the Parameter
*@param timeout Description of the Parameter
*/
public ThreadWatcher(Process p, BitSet interrupted, int timeout)
{
myProcess = p;
// thread used by whoever constructed this watcher
myTimeout = timeout;
myInterrupted = interrupted;
}
/*
* Interrupt the thread by marking the interrupted bit and killing the process
*/
/**
* Description of the Method
*/
public void interrupt()
{
myInterrupted.set(0);
// set interrupted bit (bit 0 of the bitset) to 1
myProcess.destroy();
/*
* try
* {
* myProcess.getInputStream().close();
* }
* catch( IOException e1 )
* {
* / do nothing -- input streams are probably already closed
* }
* try
* {
* myProcess.getErrorStream().close();
* }
* catch( IOException e2 )
* {
* / do nothing -- input streams are probably already closed
* }
* myThread.interrupt();
*/
}
/**
* Main processing method for the ThreadWatcher object
*/
public void run()
{
try
{
Thread.sleep(myTimeout);
}
catch (InterruptedException e)
{
// do nothing -- if watcher is interrupted, so is thread
}
interrupt();
}
}