feat(jdk8): move files to new folder to avoid resources compiled.
This commit is contained in:
281
jdkSrc/jdk8/javax/sound/sampled/LineEvent.java
Normal file
281
jdkSrc/jdk8/javax/sound/sampled/LineEvent.java
Normal file
@@ -0,0 +1,281 @@
|
||||
/*
|
||||
* Copyright (c) 1999, 2003, Oracle and/or its affiliates. All rights reserved.
|
||||
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
||||
*
|
||||
* This code is free software; you can redistribute it and/or modify it
|
||||
* under the terms of the GNU General Public License version 2 only, as
|
||||
* published by the Free Software Foundation. Oracle designates this
|
||||
* particular file as subject to the "Classpath" exception as provided
|
||||
* by Oracle in the LICENSE file that accompanied this code.
|
||||
*
|
||||
* This code is distributed in the hope that it will be useful, but WITHOUT
|
||||
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||||
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
||||
* version 2 for more details (a copy is included in the LICENSE file that
|
||||
* accompanied this code).
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License version
|
||||
* 2 along with this work; if not, write to the Free Software Foundation,
|
||||
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
|
||||
*
|
||||
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
|
||||
* or visit www.oracle.com if you need additional information or have any
|
||||
* questions.
|
||||
*/
|
||||
|
||||
package javax.sound.sampled;
|
||||
|
||||
/**
|
||||
* The <code>LineEvent</code> class encapsulates information that a line
|
||||
* sends its listeners whenever the line opens, closes, starts, or stops.
|
||||
* Each of these four state changes is represented by a corresponding
|
||||
* type of event. A listener receives the event as a parameter to its
|
||||
* {@link LineListener#update update} method. By querying the event,
|
||||
* the listener can learn the type of event, the line responsible for
|
||||
* the event, and how much data the line had processed when the event occurred.
|
||||
*
|
||||
* <p>Although this class implements Serializable, attempts to
|
||||
* serialize a <code>LineEvent</code> object will fail.
|
||||
*
|
||||
* @author Kara Kytle
|
||||
*
|
||||
* @see Line
|
||||
* @see LineListener#update
|
||||
* @since 1.3
|
||||
*
|
||||
* @serial exclude
|
||||
*/
|
||||
public class LineEvent extends java.util.EventObject {
|
||||
|
||||
// INSTANCE VARIABLES
|
||||
|
||||
/**
|
||||
* The kind of line event (<code>OPEN</code>, <code>CLOSE</code>,
|
||||
* <code>START</code>, or <code>STOP</code>).
|
||||
* @see #getType
|
||||
* @serial
|
||||
*/
|
||||
private final Type type;
|
||||
|
||||
/**
|
||||
* The media position when the event occurred, expressed in sample frames.
|
||||
* Note that this field is only relevant to certain events generated by
|
||||
* data lines, such as <code>START</code> and <code>STOP</code>. For
|
||||
* events generated by lines that do not count sample frames, and for any
|
||||
* other events for which this value is not known, the position value
|
||||
* should be {@link AudioSystem#NOT_SPECIFIED}.
|
||||
* @serial
|
||||
* @see #getFramePosition
|
||||
*/
|
||||
private final long position;
|
||||
|
||||
|
||||
/**
|
||||
* Constructs a new event of the specified type, originating from the specified line.
|
||||
* @param line the source of this event
|
||||
* @param type the event type (<code>OPEN</code>, <code>CLOSE</code>, <code>START</code>, or <code>STOP</code>)
|
||||
* @param position the number of sample frames that the line had already processed when the event occurred,
|
||||
* or {@link AudioSystem#NOT_SPECIFIED}
|
||||
*
|
||||
* @throws IllegalArgumentException if <code>line</code> is
|
||||
* <code>null</code>.
|
||||
*/
|
||||
public LineEvent(Line line, Type type, long position) {
|
||||
|
||||
super(line);
|
||||
this.type = type;
|
||||
this.position = position;
|
||||
}
|
||||
|
||||
/**
|
||||
* Obtains the audio line that is the source of this event.
|
||||
* @return the line responsible for this event
|
||||
*/
|
||||
public final Line getLine() {
|
||||
|
||||
return (Line)getSource();
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Obtains the event's type.
|
||||
* @return this event's type ({@link Type#OPEN}, {@link Type#CLOSE},
|
||||
* {@link Type#START}, or {@link Type#STOP})
|
||||
*/
|
||||
public final Type getType() {
|
||||
|
||||
return type;
|
||||
}
|
||||
|
||||
/**
|
||||
* Obtains the position in the line's audio data when the event occurred, expressed in sample frames.
|
||||
* For example, if a source line had already played back 14 sample frames at the time it was
|
||||
* paused, the pause event would report the line's position as 14. The next frame to be processed
|
||||
* would be frame number 14 using zero-based numbering, or 15 using one-based numbering.
|
||||
* <p>
|
||||
* Note that this field is relevant only to certain events generated by
|
||||
* data lines, such as <code>START</code> and <code>STOP</code>. For
|
||||
* events generated by lines that do not count sample frames, and for any
|
||||
* other events for which this value is not known, the position value
|
||||
* should be {@link AudioSystem#NOT_SPECIFIED}.
|
||||
*
|
||||
* @return the line's position as a sample frame number
|
||||
*/
|
||||
/*
|
||||
* $$kk: 04.20.99: note to myself: should make sure our implementation is consistent with this.
|
||||
* which is a reasonable definition....
|
||||
*/
|
||||
public final long getFramePosition() {
|
||||
|
||||
return position;
|
||||
}
|
||||
|
||||
/**
|
||||
* Obtains a string representation of the event. The contents of the string may vary
|
||||
* between implementations of Java Sound.
|
||||
* @return a string describing the event.
|
||||
*/
|
||||
public String toString() {
|
||||
String sType = "";
|
||||
if (type != null) sType = type.toString()+" ";
|
||||
String sLine;
|
||||
if (getLine() == null) {
|
||||
sLine = "null";
|
||||
} else {
|
||||
sLine = getLine().toString();
|
||||
}
|
||||
return new String(sType + "event from line " + sLine);
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* The LineEvent.Type inner class identifies what kind of event occurred on a line.
|
||||
* Static instances are provided for the common types (OPEN, CLOSE, START, and STOP).
|
||||
*
|
||||
* @see LineEvent#getType()
|
||||
*/
|
||||
public static class Type {
|
||||
|
||||
|
||||
/**
|
||||
* Type name.
|
||||
*/
|
||||
// $$kk: 03.25.99: why can't this be final??
|
||||
private /*final*/ String name;
|
||||
|
||||
/**
|
||||
* Constructs a new event type.
|
||||
* @param name name of the type
|
||||
*/
|
||||
protected Type(String name) {
|
||||
this.name = name;
|
||||
}
|
||||
|
||||
|
||||
//$$fb 2002-11-26: fix for 4695001: SPEC: description of equals() method contains typo
|
||||
/**
|
||||
* Indicates whether the specified object is equal to this event type,
|
||||
* returning <code>true</code> if the objects are identical.
|
||||
* @param obj the reference object with which to compare
|
||||
* @return <code>true</code> if this event type is the same as
|
||||
* <code>obj</code>; <code>false</code> otherwise
|
||||
*/
|
||||
public final boolean equals(Object obj) {
|
||||
return super.equals(obj);
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Finalizes the hashcode method.
|
||||
*/
|
||||
public final int hashCode() {
|
||||
return super.hashCode();
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Returns the type name as the string representation.
|
||||
*/
|
||||
public String toString() {
|
||||
return name;
|
||||
}
|
||||
|
||||
|
||||
// LINE EVENT TYPE DEFINES
|
||||
|
||||
/**
|
||||
* A type of event that is sent when a line opens, reserving system
|
||||
* resources for itself.
|
||||
* @see #CLOSE
|
||||
* @see Line#open
|
||||
*/
|
||||
public static final Type OPEN = new Type("Open");
|
||||
|
||||
|
||||
/**
|
||||
* A type of event that is sent when a line closes, freeing the system
|
||||
* resources it had obtained when it was opened.
|
||||
* @see #OPEN
|
||||
* @see Line#close
|
||||
*/
|
||||
public static final Type CLOSE = new Type("Close");
|
||||
|
||||
|
||||
/**
|
||||
* A type of event that is sent when a line begins to engage in active
|
||||
* input or output of audio data in response to a
|
||||
* {@link DataLine#start start} request.
|
||||
* @see #STOP
|
||||
* @see DataLine#start
|
||||
*/
|
||||
public static final Type START = new Type("Start");
|
||||
|
||||
|
||||
/**
|
||||
* A type of event that is sent when a line ceases active input or output
|
||||
* of audio data in response to a {@link DataLine#stop stop} request,
|
||||
* or because the end of media has been reached.
|
||||
* @see #START
|
||||
* @see DataLine#stop
|
||||
*/
|
||||
public static final Type STOP = new Type("Stop");
|
||||
|
||||
|
||||
/**
|
||||
* A type of event that is sent when a line ceases to engage in active
|
||||
* input or output of audio data because the end of media has been reached.
|
||||
*/
|
||||
/*
|
||||
* ISSUE: we may want to get rid of this. Is JavaSound
|
||||
* responsible for reporting this??
|
||||
*
|
||||
* [If it's decided to keep this API, the docs will need to be updated to include mention
|
||||
* of EOM events elsewhere.]
|
||||
*/
|
||||
//public static final Type EOM = new Type("EOM");
|
||||
|
||||
|
||||
/**
|
||||
* A type of event that is sent when a line begins to engage in active
|
||||
* input or output of audio data. Examples of when this happens are
|
||||
* when a source line begins or resumes writing data to its mixer, and
|
||||
* when a target line begins or resumes reading data from its mixer.
|
||||
* @see #STOP
|
||||
* @see SourceDataLine#write
|
||||
* @see TargetDataLine#read
|
||||
* @see DataLine#start
|
||||
*/
|
||||
//public static final Type ACTIVE = new Type("ACTIVE");
|
||||
|
||||
|
||||
/**
|
||||
* A type of event that is sent when a line ceases active input or output
|
||||
* of audio data.
|
||||
* @see #START
|
||||
* @see DataLine#stop
|
||||
*/
|
||||
//public static final Type INACTIVE = new Type("INACTIVE");
|
||||
|
||||
} // class Type
|
||||
|
||||
} // class LineEvent
|
Reference in New Issue
Block a user