141 lines
2.9 KiB
Java
141 lines
2.9 KiB
Java
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/*
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* TNotifier.java
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*
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* This file is part of Tritonus: http://www.tritonus.org/
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*/
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/*
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* Copyright (c) 1999 by Matthias Pfisterer
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*
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Library General Public License as published
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* by the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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*/
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/*
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|<--- this code is formatted to fit into 80 columns --->|
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*/
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package org.tritonus.share;
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import java.util.EventObject;
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import java.util.Collection;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Iterator;
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import javax.sound.sampled.LineListener;
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import javax.sound.sampled.LineEvent;
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public class TNotifier
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extends Thread
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{
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public static class NotifyEntry
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{
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private EventObject m_event;
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private List<LineListener> m_listeners;
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public NotifyEntry(EventObject event, Collection<LineListener> listeners)
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{
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m_event = event;
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m_listeners = new ArrayList<LineListener>(listeners);
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}
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public void deliver()
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{
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// TDebug.out("%% TNotifier.NotifyEntry.deliver(): called.");
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Iterator<LineListener> iterator = m_listeners.iterator();
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while (iterator.hasNext())
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{
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LineListener listener = iterator.next();
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listener.update((LineEvent) m_event);
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}
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}
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}
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public static TNotifier notifier = null;
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static
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{
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notifier = new TNotifier();
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notifier.setDaemon(true);
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notifier.start();
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}
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/** The queue of events to deliver.
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* The entries are of class NotifyEntry.
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*/
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private List<NotifyEntry> m_entries;
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public TNotifier()
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{
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super("Tritonus Notifier");
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m_entries = new ArrayList<NotifyEntry>();
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}
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public void addEntry(EventObject event, Collection<LineListener> listeners)
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{
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// TDebug.out("%% TNotifier.addEntry(): called.");
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synchronized (m_entries)
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{
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m_entries.add(new NotifyEntry(event, listeners));
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m_entries.notifyAll();
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}
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// TDebug.out("%% TNotifier.addEntry(): completed.");
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}
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public void run()
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{
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while (true)
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{
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NotifyEntry entry = null;
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synchronized (m_entries)
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{
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while (m_entries.size() == 0)
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{
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try
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{
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m_entries.wait();
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}
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catch (InterruptedException e)
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{
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if (TDebug.TraceAllExceptions)
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{
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TDebug.out(e);
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}
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}
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}
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entry = m_entries.remove(0);
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}
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entry.deliver();
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}
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}
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}
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/*** TNotifier.java ***/
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