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-rw-r--r--src/java/com/jogamp/common/jvm/JNILibLoaderBase.java210
-rw-r--r--src/java/com/jogamp/common/jvm/JVMUtil.java72
-rw-r--r--src/java/com/jogamp/common/util/ReflectionUtil.java188
3 files changed, 470 insertions, 0 deletions
diff --git a/src/java/com/jogamp/common/jvm/JNILibLoaderBase.java b/src/java/com/jogamp/common/jvm/JNILibLoaderBase.java
new file mode 100644
index 0000000..c4f1d7e
--- /dev/null
+++ b/src/java/com/jogamp/common/jvm/JNILibLoaderBase.java
@@ -0,0 +1,210 @@
+/*
+ * 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.
+ *
+ * Sun gratefully acknowledges that this software was originally authored
+ * and developed by Kenneth Bradley Russell and Christopher John Kline.
+ */
+
+package com.jogamp.nativewindow.impl;
+
+// FIXME: refactor Java SE dependencies
+//import java.awt.Toolkit;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.security.AccessController;
+import java.security.PrivilegedAction;
+import java.util.HashSet;
+
+public class NativeLibLoaderBase {
+ public static final boolean DEBUG = Debug.debug("NativeLibLoader");
+
+ public interface LoaderAction {
+ /**
+ * Loads the library specified by libname. Optionally preloads the libraries specified by
+ * preload. The implementation should ignore, if the preload-libraries have already been
+ * loaded.
+ * @param libname the library to load
+ * @param preload the libraries to load before loading the main library if not null
+ * @param preloadIgnoreError true, if errors during loading the preload-libraries should be ignored
+ */
+ void loadLibrary(String libname, String[] preload,
+ boolean preloadIgnoreError);
+ }
+
+ private static class DefaultAction implements LoaderAction {
+ public void loadLibrary(String libname, String[] preload, boolean preloadIgnoreError) {
+ if (null!=preload) {
+ for (int i=0; i<preload.length; i++) {
+ if(!isLoaded(preload[i])) {
+ try {
+ loadLibraryInternal(preload[i]);
+ addLoaded(preload[i]);
+ if(DEBUG) {
+ System.err.println("NativeLibLoaderBase preloaded "+preload[i]);
+ }
+ } catch (UnsatisfiedLinkError e) {
+ if(DEBUG) {
+ e.printStackTrace();
+ }
+ if (!preloadIgnoreError && e.getMessage().indexOf("already loaded") < 0) {
+ throw e;
+ }
+ }
+ }
+ }
+ }
+ loadLibraryInternal(libname);
+ addLoaded(libname);
+ if(DEBUG) {
+ System.err.println("NativeLibLoaderBase loaded "+libname);
+ }
+ }
+ }
+
+ private static final HashSet loaded = new HashSet();
+ private static LoaderAction loaderAction = new DefaultAction();
+
+ public static boolean isLoaded(String libName) {
+ return loaded.contains(libName);
+ }
+
+ public static void addLoaded(String libName) {
+ loaded.add(libName);
+ if(DEBUG) {
+ System.err.println("NativeLibLoaderBase Loaded Native Library: "+libName);
+ }
+ }
+
+ public static void disableLoading() {
+ setLoadingAction(null);
+ }
+
+ public static void enableLoading() {
+ setLoadingAction(new DefaultAction());
+ }
+
+ public static synchronized void setLoadingAction(LoaderAction action) {
+ loaderAction = action;
+ }
+
+ protected static synchronized void loadLibrary(String libname, String[] preload,
+ boolean preloadIgnoreError) {
+ if (loaderAction != null && !isLoaded(libname))
+ {
+ loaderAction.loadLibrary(libname, preload, preloadIgnoreError);
+ }
+ }
+
+ public static void loadNativeWindow(final String ossuffix) {
+ AccessController.doPrivileged(new PrivilegedAction() {
+ public Object run() {
+ loadLibrary("nativewindow_"+ossuffix, null, false);
+ return null;
+ }
+ });
+ }
+
+
+ private static final Class customLauncherClass;
+ private static final Method customLoadLibraryMethod;
+
+ // FIXME centralize logging
+ static {
+ Class launcherClass = null;
+ Method loadLibraryMethod = null;
+
+ if ( Debug.getBooleanProperty("sun.jnlp.applet.launcher", false) ) {
+ try {
+ launcherClass = Class.forName("org.jdesktop.applet.util.JNLPAppletLauncher");
+ loadLibraryMethod = launcherClass.getDeclaredMethod("loadLibrary", new Class[] { String.class });
+ } catch (ClassNotFoundException ex) {
+ if(DEBUG) {
+ ex.printStackTrace();
+ }
+ } catch (NoSuchMethodException ex) {
+ if(DEBUG) {
+ ex.printStackTrace();
+ }
+ launcherClass = null;
+ }
+ }
+
+ if(null==launcherClass) {
+ String launcherClassName = Debug.getProperty("jnlp.launcher.class", false);
+ if(null!=launcherClassName) {
+ try {
+ launcherClass = Class.forName(launcherClassName);
+ loadLibraryMethod = launcherClass.getDeclaredMethod("loadLibrary", new Class[] { String.class });
+ } catch (ClassNotFoundException ex) {
+ if(DEBUG) {
+ ex.printStackTrace();
+ }
+ } catch (NoSuchMethodException ex) {
+ if(DEBUG) {
+ ex.printStackTrace();
+ }
+ launcherClass = null;
+ }
+ }
+ }
+
+ customLauncherClass = launcherClass;
+ customLoadLibraryMethod = loadLibraryMethod;
+ }
+
+ private static void loadLibraryInternal(String libraryName) {
+ // Note: special-casing JAWT which is built in to the JDK
+ if (null!=customLoadLibraryMethod && !libraryName.equals("jawt")) {
+ try {
+ customLoadLibraryMethod.invoke(null, new Object[] { libraryName });
+ } catch (Exception e) {
+ Throwable t = e;
+ if (t instanceof InvocationTargetException) {
+ t = ((InvocationTargetException) t).getTargetException();
+ }
+ if (t instanceof Error)
+ throw (Error) t;
+ if (t instanceof RuntimeException) {
+ throw (RuntimeException) t;
+ }
+ // Throw UnsatisfiedLinkError for best compatibility with System.loadLibrary()
+ throw (UnsatisfiedLinkError)new UnsatisfiedLinkError("can not load library "+libraryName).initCause(e);
+ }
+ } else {
+ // System.out.println("sun.boot.library.path=" + Debug.getProperty("sun.boot.library.path", false));
+ System.loadLibrary(libraryName);
+ }
+ }
+}
diff --git a/src/java/com/jogamp/common/jvm/JVMUtil.java b/src/java/com/jogamp/common/jvm/JVMUtil.java
new file mode 100644
index 0000000..df703aa
--- /dev/null
+++ b/src/java/com/jogamp/common/jvm/JVMUtil.java
@@ -0,0 +1,72 @@
+/*
+ * Copyright (c) 2008 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.
+ */
+
+package com.jogamp.nativewindow.impl.jvm;
+
+import java.nio.ByteBuffer;
+import com.jogamp.nativewindow.impl.*;
+
+/**
+ * Currently this tool works around the Hotspot race condition bugs:
+ <PRE>
+ 4395095 JNI access to java.nio DirectBuffer constructor/accessor
+ 6852404 Race condition in JNI Direct Buffer access and creation routines
+ </PRE>
+ *
+ * Make sure to initialize this class as soon as possible,
+ * before doing any multithreading work.
+ *
+ */
+public class JVMUtil {
+ private static final boolean DEBUG = Debug.debug("JVMUtil");
+
+ static {
+ NativeLibLoaderBase.loadNativeWindow("jvm");
+
+ ByteBuffer buffer = InternalBufferUtil.newByteBuffer(64);
+ if( ! initialize(buffer) ) {
+ throw new RuntimeException("Failed to initialize the JVMUtil "+Thread.currentThread().getName());
+ }
+ if(DEBUG) {
+ Exception e = new Exception("JVMUtil.initSingleton() .. initialized "+Thread.currentThread().getName());
+ e.printStackTrace();
+ }
+ }
+
+ public static void initSingleton() {
+ }
+
+ private JVMUtil() {}
+
+ private static native boolean initialize(java.nio.ByteBuffer buffer);
+}
+
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");
+ }
+
+}
+
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-15 03:37:21 +0000