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/**
* Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* -Redistribution of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* -Redistribution in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* Neither the name of Sun Microsystems, Inc. or the names of contributors may
* be used to endorse or promote products derived from this software without
* specific prior written permission.
*
* This software is provided "AS IS," without a warranty of any kind.
* ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING
* ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR
* NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN MIDROSYSTEMS, INC. ("SUN") AND ITS
* LICENSORS SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A
* RESULT OF USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES.
* IN NO EVENT WILL SUN OR ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT
* OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR
* PUNITIVE DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
* ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF SUN HAS
* BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
*
* You acknowledge that this software is not designed or intended for use in the
* design, construction, operation or maintenance of any nuclear facility.
*/
package net.java.games.joal;
/**
* This class provides factory methods for generating AL and ALC objects. The
* class must be initialized before use, and should be deinitialized when OpenAL
* functionality is no longer needed to free up native resources.
*
* @author Athomas Goldberg
*/
public class ALFactory {
static {
System.loadLibrary("joal");
}
private static boolean isInitialized = false;
private static ALImpl al;
private static ALC alc;
/**
* Initialize the OpenAL environment
*
* @return true is OpenAL was able to initialize, false if OpenAL was not
* able to intialize
*/
public static boolean initialize() throws OpenALException {
String osProperty = System.getProperty("os.name");
if (osProperty.startsWith("Win")) {
isInitialized = init(new String[] { "OpenAL32.dll" });
} else if (osProperty.startsWith("Linux")) {
try {
// use the system wide lib
isInitialized = init(new String[] { "libopenal.so" });
} catch (OpenALException e) {
// fallback to bytonic's libopenal.so
String sep = System.getProperty("file.separator");
String openalPath = System.getProperty("user.home") + sep + ".jake2";
isInitialized = init(new String[] { openalPath + sep
+ "libopenal.so" });
}
} else {
isInitialized = init(new String[] { "/Library/Frameworks/OpenAL.framework/Versions/Current/OpenAL" });
}
return isInitialized;
}
private static native boolean init(String[] oalPaths)
throws OpenALException;
/**
* Deinitialize the OpenAL environment
*
* @return true if OpenAL was able to be deinitialized, false if OpenAL uas
* unable to be deinitialized
*/
public static native boolean deinitialize();
/**
* Get the default AL object. This object is used to access most of the
* OpenAL functionality.
*
* @return the AL object
*/
public static AL getAL() throws OpenALException {
if (!isInitialized) {
initialize();
}
if (isInitialized && al == null) {
al = new ALImpl();
}
return al;
}
/**
* Get the default ALC object. This object is used to access most of the
* OpenAL context functionality.
*
* @return the ALC object
*/
public static ALC getALC() throws OpenALException {
if (!isInitialized) {
initialize();
}
if (isInitialized && alc == null) {
alc = new ALCImpl();
}
return alc;
}
}
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