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1974 jgill 1 
/**
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 * AntShield - A project release tool for ant.
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 */
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package com.erggroup.mass.ant;
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/**
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 * AntShieldLock
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 * A locking mechanism to keep frames open until explicitly closed.
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 */
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public class AntShieldLock
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{
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    private boolean locked = false;
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    public AntShieldLock()
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    {
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    }
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    /**
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     * Lock the current thread.
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     */
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    public synchronized void acquire()
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    {
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        if (!locked)
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        {
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            locked = true;
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            try
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            {
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                wait();
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            }
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            catch (InterruptedException e)
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            {
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                locked = false;
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            }
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        }
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    }
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    /**
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     * Release the lock.
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     */
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    public synchronized void release()
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    {
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        if (locked)
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        {
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            locked = false;
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            notifyAll();
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        }
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    }
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}