/** * Copyright (c) 2003-2005 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 MICROSYSTEMS, 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 com.jogamp.openal; import com.jogamp.common.os.Platform; import com.jogamp.openal.AL; import com.jogamp.openal.ALC; import com.jogamp.openal.ALExt; import jogamp.openal.*; /** * This class provides factory methods for generating AL and ALC objects. * * @author Athomas Goldberg * @author Kenneth Russell */ public class ALFactory { public static final boolean DEBUG = Debug.debug("Factory"); private static boolean initialized = false; private static AL al; private static ALC alc; private static ALExt alext; private ALFactory() {} private static synchronized void initialize() throws ALException { try { if (!initialized) { Platform.initSingleton(); if(null == ALImpl.getALProcAddressTable()) { throw new ALException("AL not initialized (ProcAddressTable null)"); } initialized = true; if(DEBUG) { System.err.println("AL initialized"); } } } catch (UnsatisfiedLinkError e) { throw new ALException(e); } } /** * 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 ALException { initialize(); if (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 ALException{ initialize(); if (alc == null) { alc = new ALCImpl(); } return alc; } /** * Get the default ALExt object. This object is used to access most of the * OpenAL extension functionality. * * @return the ALExt object */ public static ALExt getALExt() throws ALException{ initialize(); if (alext == null) { alext = new ALExtImpl(); } return alext; } }