diff options
author | Sven Gothel <[email protected]> | 2010-04-19 00:59:59 +0200 |
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committer | Sven Gothel <[email protected]> | 2010-04-19 00:59:59 +0200 |
commit | b18ec2c1d33f38d726ed9adbd4471869c08d3090 (patch) | |
tree | 508ad9e846d3899024a12edff4d9b2fa2fe955ef /src/java/com/jogamp/common/util | |
parent | 316e43b5a13012ce5f41a03b8b602105921e872b (diff) |
Moving imported files to proper place
Diffstat (limited to 'src/java/com/jogamp/common/util')
-rw-r--r-- | src/java/com/jogamp/common/util/ReflectionUtil.java | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/src/java/com/jogamp/common/util/ReflectionUtil.java b/src/java/com/jogamp/common/util/ReflectionUtil.java new file mode 100644 index 0000000..9bac947 --- /dev/null +++ b/src/java/com/jogamp/common/util/ReflectionUtil.java @@ -0,0 +1,188 @@ +/* + * 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. + */ + +package com.jogamp.nativewindow.impl; + +import java.lang.reflect.*; +import javax.media.nativewindow.*; + +public final class NWReflection { + + public static final boolean DEBUG = Debug.debug("NWReflection"); + + /** + * Returns true only if the class could be loaded. + */ + public static final boolean isClassAvailable(String clazzName) { + try { + return null != Class.forName(clazzName, false, NWReflection.class.getClassLoader()); + } catch (ClassNotFoundException e) { + return false; + } + } + + /** + * Loads and returns the class or null. + * @see Class#forName(java.lang.String, boolean, java.lang.ClassLoader) + */ + public static final Class getClass(String clazzName, boolean initialize) { + try { + return getClassImpl(clazzName, initialize); + } catch (ClassNotFoundException e) { + return null; + } + } + + private static Class getClassImpl(String clazzName, boolean initialize) throws ClassNotFoundException { + return Class.forName(clazzName, initialize, NWReflection.class.getClassLoader()); + } + + /** + * @throws NativeWindowException if the constructor can not be delivered. + */ + public static final Constructor getConstructor(String clazzName, Class[] cstrArgTypes) { + try { + return getConstructor(getClassImpl(clazzName, true), cstrArgTypes); + } catch (ClassNotFoundException ex) { + throw new NativeWindowException(clazzName + " not available", ex); + } + } + + /** + * @throws NativeWindowException if the constructor can not be delivered. + */ + public static final Constructor getConstructor(Class clazz, Class[] cstrArgTypes) { + try { + return clazz.getDeclaredConstructor(cstrArgTypes); + } catch (NoSuchMethodException ex) { + String args = ""; + for (int i = 0; i < cstrArgTypes.length; i++) { + args += cstrArgTypes[i].getName(); + if(i != cstrArgTypes.length-1) { + args+= ", "; + } + } + throw new NativeWindowException("Constructor: '" + clazz + "(" + args + ")' not found", ex); + } + } + + public static final Constructor getConstructor(String clazzName) { + return getConstructor(clazzName, new Class[0]); + } + + /** + * @throws NativeWindowException if the instance can not be created. + */ + public static final Object createInstance(Class clazz, Class[] cstrArgTypes, Object[] cstrArgs) { + try { + return getConstructor(clazz, cstrArgTypes).newInstance(cstrArgs); + } catch (InstantiationException ex) { + throw new NativeWindowException("can not create instance of class "+clazz, ex); + } catch (InvocationTargetException ex) { + throw new NativeWindowException("can not create instance of class "+clazz, ex); + } catch (IllegalAccessException ex) { + throw new NativeWindowException("can not create instance of class "+clazz, ex); + } + } + + public static final Object createInstance(Class clazz, Object[] cstrArgs) { + Class[] cstrArgTypes = new Class[cstrArgs.length]; + for(int i=0; i<cstrArgs.length; i++) { + cstrArgTypes[i] = cstrArgs[i].getClass(); + } + return createInstance(clazz, cstrArgTypes, cstrArgs); + } + + public static final Object createInstance(String clazzName, Class[] cstrArgTypes, Object[] cstrArgs) { + try { + return createInstance(getClassImpl(clazzName, true), cstrArgTypes, cstrArgs); + } catch (ClassNotFoundException ex) { + throw new NativeWindowException(clazzName + " not available", ex); + } + } + + 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); + } + + public static final Object createInstance(String clazzName) { + return createInstance(clazzName, new Class[0], null); + } + + public static final boolean instanceOf(Object obj, String clazzName) { + return instanceOf(obj.getClass(), clazzName); + } + public static final boolean instanceOf(Class clazz, String clazzName) { + do { + if(clazz.getName().equals(clazzName)) { + return true; + } + clazz = clazz.getSuperclass(); + } while (clazz!=null); + return false; + } + + public static final boolean implementationOf(Object obj, String faceName) { + return implementationOf(obj.getClass(), faceName); + } + public static final boolean implementationOf(Class clazz, String faceName) { + do { + Class[] clazzes = clazz.getInterfaces(); + for(int i=clazzes.length-1; i>=0; i--) { + Class face = clazzes[i]; + if(face.getName().equals(faceName)) { + return true; + } + } + clazz = clazz.getSuperclass(); + } while (clazz!=null); + return false; + } + + public static boolean isAWTComponent(Object target) { + return instanceOf(target, "java.awt.Component"); + } + + public static boolean isAWTComponent(Class clazz) { + return instanceOf(clazz, "java.awt.Component"); + } + +} + |