171 lines
4.7 KiB
Java
171 lines
4.7 KiB
Java
/*
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Copyright (C) 2005 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package javax.sound.sampled;
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import java.io.IOException;
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import java.io.NotSerializableException;
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import java.io.ObjectInputStream;
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import java.io.ObjectOutputStream;
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import java.util.EventObject;
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/**
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* This class holds information about a state change of a Line.
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* @specnote This class is not really serializable, and attempts to
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* serialize it will throw {@link NotSerializableException}.
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* @since 1.3
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*/
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public class LineEvent extends EventObject
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{
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// We define this even though this class can't be serialized, in
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// order to placate the compiler.
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private static final long serialVersionUID = -1274246333383880410L;
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/**
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* This class represents the kinds of state changes that can occur
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* to a Line. The standard states are availabe as static instances.
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* @since 1.3
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*/
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public static class Type
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{
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/** An event of this type is posted when a Line closes. */
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public static final Type CLOSE = new Type("close");
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/** An event of this type is posted when a Line opens. */
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public static final Type OPEN = new Type("open");
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/** An event of this type is posted when a Line starts. */
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public static final Type START = new Type("start");
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/** An event of this type is posted when a Line stops. */
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public static final Type STOP = new Type("stop");
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private String name;
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/**
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* Create a new type with the indicated name.
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* @param name the name
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*/
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protected Type(String name)
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{
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this.name = name;
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}
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public final boolean equals(Object o)
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{
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return super.equals(o);
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}
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public final int hashCode()
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{
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return super.hashCode();
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}
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/**
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* Return the name of this Type.
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*/
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public String toString()
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{
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return name;
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}
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}
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private Type type;
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private long framePosition;
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private Line line;
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/**
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* Create a new LineEvent with the indicated line, type, and frame position.
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* @param line the line
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* @param type the type of the event
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* @param pos the frame position
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*/
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public LineEvent(Line line, Type type, long pos)
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{
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super(line);
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this.line = line;
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this.type = type;
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this.framePosition = pos;
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}
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/**
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* Return the frame position associated with this event.
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*/
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public final long getFramePosition()
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{
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return framePosition;
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}
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/**
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* Return the Line associated with this event.
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*/
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public final Line getLine()
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{
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return line;
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}
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/**
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* Return the Type associated with this event.
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*/
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public final Type getType()
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{
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return type;
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}
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/**
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* Return a description of this event.
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*/
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public String toString()
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{
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return ("type=" + type + "; framePosition=" + framePosition
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+ "line=" + line);
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}
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private void readObject(ObjectInputStream ois)
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throws IOException
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{
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throw new NotSerializableException("LineEvent is not serializable");
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}
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private void writeObject(ObjectOutputStream oos)
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throws IOException
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{
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throw new NotSerializableException("LineEvent is not serializable");
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}
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}
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