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Auto GL profile selection; New GLReflection (refactoring of common re…
…lfections); Fixes git-svn-id: file:///usr/local/projects/SUN/JOGL/git-svn/svn-server-sync/jogl/branches/JOGL_2_SANDBOX@1684 232f8b59-042b-4e1e-8c03-345bb8c30851
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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 | ||
* 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. | ||
*/ | ||
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package com.sun.opengl.impl; | ||
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import java.lang.reflect.*; | ||
import javax.media.opengl.*; | ||
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public final class GLReflection { | ||
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public static final Constructor getConstructor(String clazzName, Class[] cstrArgTypes) { | ||
Class factoryClass = null; | ||
Constructor factory = null; | ||
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try { | ||
factoryClass = Class.forName(clazzName); | ||
if (factoryClass == null) { | ||
throw new GLException(clazzName + " not available"); | ||
} | ||
try { | ||
factory = factoryClass.getDeclaredConstructor( cstrArgTypes ); | ||
} catch(NoSuchMethodException nsme) { | ||
throw new GLException("Constructor: '" + clazzName + "("+cstrArgTypes+")' not found"); | ||
} | ||
return factory; | ||
} catch (Exception e) { | ||
throw new GLException(e); | ||
} | ||
} | ||
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public static final Constructor getConstructor(String clazzName) { | ||
return getConstructor(clazzName, new Class[0]); | ||
} | ||
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public static final Object createInstance(String clazzName, Class[] cstrArgTypes, Object[] cstrArgs) { | ||
Constructor factory = null; | ||
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try { | ||
factory = getConstructor(clazzName, cstrArgTypes); | ||
return factory.newInstance( cstrArgs ) ; | ||
} catch (Exception e) { | ||
throw new GLException(e); | ||
} | ||
} | ||
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public static final Object createInstance(String clazzName, Object[] cstrArgs) { | ||
Class[] cstrArgTypes = new Class[cstrArgs.length]; | ||
for(int i=0; i<cstrArgs.length; i++) { | ||
cstrArgTypes[i] = cstrArgs[i].getClass(); | ||
} | ||
return createInstance(clazzName, cstrArgTypes, cstrArgs); | ||
} | ||
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public static final Object createInstance(String clazzName) { | ||
return createInstance(clazzName, new Class[0], null); | ||
} | ||
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public static final boolean instanceOf(Object obj, String clazzName) { | ||
Class clazz = obj.getClass(); | ||
do { | ||
if(clazz.getName().equals(clazzName)) { | ||
return true; | ||
} | ||
clazz = clazz.getSuperclass(); | ||
} while (clazz!=null); | ||
return false; | ||
} | ||
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public static final boolean implementationOf(Object obj, String faceName) { | ||
Class[] clazzes = obj.getClass().getInterfaces(); | ||
for(int i=clazzes.length-1; i>=0; i--) { | ||
Class face = clazzes[i]; | ||
if(face.getName().equals(faceName)) { | ||
return true; | ||
} | ||
} | ||
return false; | ||
} | ||
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} | ||
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