/*
* 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.common.jvm;
import java.io.IOException;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.net.URI;
import java.net.URISyntaxException;
import java.security.AccessController;
import java.security.PrivilegedAction;
import java.util.Arrays;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import com.jogamp.common.os.NativeLibrary;
import com.jogamp.common.util.JarUtil;
import com.jogamp.common.util.PropertyAccess;
import com.jogamp.common.util.cache.TempJarCache;
import jogamp.common.Debug;
import jogamp.common.os.PlatformPropsImpl;
public class JNILibLoaderBase {
public static final boolean DEBUG = Debug.debug("JNILibLoader");
public interface LoaderAction {
/**
* Loads the library specified by libname.<br>
* The implementation should ignore, if the library has been loaded already.<br>
* @param libname the library to load
* @param ignoreError if true, errors during loading the library should be ignored
* @param cl optional ClassLoader, used to locate the library
* @return true if library loaded successful
*/
boolean loadLibrary(String libname, boolean ignoreError, ClassLoader cl);
/**
* Loads the library specified by libname.<br>
* Optionally preloads the libraries specified by preload.<br>
* The implementation should ignore, if any library has been loaded already.<br>
* @param libname the library to load
* @param preload the libraries to load before loading the main library if not null
* @param preloadIgnoreError if true, errors during loading the preload-libraries should be ignored
* @param cl optional ClassLoader, used to locate the library
*/
void loadLibrary(String libname, String[] preload, boolean preloadIgnoreError, ClassLoader cl);
}
private static class DefaultAction implements LoaderAction {
public boolean loadLibrary(String libname, boolean ignoreError, ClassLoader cl) {
boolean res = true;
if(!isLoaded(libname)) {
try {
loadLibraryInternal(libname, cl);
addLoaded(libname);
if(DEBUG) {
System.err.println("JNILibLoaderBase: loaded "+libname);
}
} catch (UnsatisfiedLinkError e) {
res = false;
if(DEBUG) {
e.printStackTrace();
}
if (!ignoreError && e.getMessage().indexOf("already loaded") < 0) {
throw e;
}
}
}
return res;
}
public void loadLibrary(String libname, String[] preload, boolean preloadIgnoreError, ClassLoader cl) {
if(!isLoaded(libname)) {
if (null!=preload) {
for (int i=0; i<preload.length; i++) {
loadLibrary(preload[i], preloadIgnoreError, cl);
}
}
loadLibrary(libname, false, cl);
}
}
}
private static final HashSet<String> loaded = new HashSet<String>();
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("JNILibLoaderBase: 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;
}
/* pp */ static final boolean addNativeJarLibsImpl(Class<?> classFromJavaJar, URI classJarURI, String nativeJarBasename, StringBuilder msg)
throws IOException, SecurityException, URISyntaxException
{
msg.setLength(0); // reset
msg.append("addNativeJarLibsImpl(classFromJavaJar ").append(classFromJavaJar).append(", classJarURI ").append(classJarURI).append(", nativeJarBaseName ").append(nativeJarBasename).append("): ");
boolean ok = false;
if(TempJarCache.isInitialized()) {
final String nativeJarName = nativeJarBasename+"-natives-"+PlatformPropsImpl.os_and_arch+".jar";
msg.append(nativeJarName);
final URI jarUriRoot = JarUtil.getURIDirname( JarUtil.getJarSubURI( classJarURI ) );
msg.append(" + ").append(jarUriRoot);
final URI nativeJarURI = JarUtil.getJarFileURI(jarUriRoot, nativeJarName);
msg.append(" -> ").append(nativeJarURI);
if(DEBUG) {
System.err.println(msg.toString());
}
TempJarCache.addNativeLibs(classFromJavaJar, nativeJarURI);
ok = true;
}
return ok;
}
/**
* Loads and adds a JAR file's native library to the TempJarCache.<br>
* The native library JAR file's URI is derived as follows:
* <ul>
* <li> [1] <code>GLProfile.class</code> -> </li>
* <li> [2] <code>http://lala/</code> -> </li>
* <li> [4] <code>http://lala/'nativeJarBaseName'-'os.and.arch'.jar</code> </li>
* </ul>
* Where:
* <ul>
* <li> [1] is the <code>classFromJavaJar</code></li>
* <li> [2] is it's <i>URI path</i></li>
* <li> [4] is the derived native JAR filename</li>
* </ul>
*
* @param classFromJavaJar GLProfile
* @param nativeJarBasename jogl-all
* @return true if the native JAR file loaded successful or were loaded already, false in case of an error
*/
public static final boolean addNativeJarLibs(Class<?> classFromJavaJar, String nativeJarBasename) {
if(TempJarCache.isInitialized()) {
final StringBuilder msg = new StringBuilder();
try {
final URI classJarURI = JarUtil.getJarURI(classFromJavaJar.getName(), classFromJavaJar.getClassLoader());
return addNativeJarLibsImpl(classFromJavaJar, classJarURI, nativeJarBasename, msg);
} catch (Exception e0) {
// IllegalArgumentException, IOException
System.err.println("Catched "+e0.getClass().getSimpleName()+": "+e0.getMessage()+", while "+msg.toString());
if(DEBUG) {
e0.printStackTrace();
}
}
} else if(DEBUG) {
System.err.println("JNILibLoaderBase: addNativeJarLibs1: disabled due to uninitialized TempJarCache");
}
return false;
}
/**
* Loads and adds a JAR file's native library to the TempJarCache.<br>
* The native library JAR file's URI is derived as follows:
* <ul>
* <li> [1] <code>GLProfile.class</code> -> </li>
* <li> [2] <code>http://lala/gluegen-rt.jar</code> -> </li>
* <li> [3] <code>http://lala/gluegen-rt</code> -> </li>
* <li> [4] <code>http://lala/gluegen-rt-natives-'os.and.arch'.jar</code> </li>
* </ul>
* Where:
* <ul>
* <li> [1] is one of <code>classesFromJavaJars</code></li>
* <li> [2] is it's complete URI</li>
* <li> [3] is it's <i>base URI</i></li>
* <li> [4] is the derived native JAR filename</li>
* </ul>
*
* Examples:<br>
* <br>
* JOCL:
* <pre>
// only: jocl.jar -> jocl-natives-'os.and.arch'.jar
addNativeJarLibs(new Class<?>[] { JOCLJNILibLoader.class }, null, null );
* </pre>
*
* Newt Only:
* <pre>
// either: [jogl-all.jar, jogl-all-noawt.jar, jogl-all-mobile.jar] -> jogl-all-natives-<os.and.arch>.jar
// or: nativewindow-core.jar -> nativewindow-natives-<os.and.arch>.jar,
// newt-core.jar -> newt-natives-<os.and.arch>.jar
JNILibLoaderBase.addNativeJarLibs(new Class<?>[] { NWJNILibLoader.class, NEWTJNILibLoader.class }, "-all", new String[] { "-noawt", "-mobile", "-core" } );
* </pre>
*
* JOGL:
* <pre>
final ClassLoader cl = GLProfile.class.getClassLoader();
// either: [jogl-all.jar, jogl-all-noawt.jar, jogl-all-mobile.jar] -> jogl-all-natives-<os.and.arch>.jar
// or: nativewindow-core.jar -> nativewindow-natives-<os.and.arch>.jar,
// jogl-core.jar -> jogl-natives-<os.and.arch>.jar,
// (newt-core.jar -> newt-natives-<os.and.arch>.jar)? (if available)
final String newtFactoryClassName = "com.jogamp.newt.NewtFactory";
final Class<?>[] classesFromJavaJars = new Class<?>[] { NWJNILibLoader.class, GLProfile.class, null };
if( ReflectionUtil.isClassAvailable(newtFactoryClassName, cl) ) {
classesFromJavaJars[2] = ReflectionUtil.getClass(newtFactoryClassName, false, cl);
}
JNILibLoaderBase.addNativeJarLibs(classesFromJavaJars, "-all", new String[] { "-noawt", "-mobile", "-core" } );
* </pre>
*
* @param classesFromJavaJars For each given Class, load the native library JAR.
* @param singleJarMarker Optional string marker like "-all" to identify the single 'all-in-one' JAR file
* after which processing of the class array shall stop.
* @param stripBasenameSuffixes Optional substrings to be stripped of the <i>base URI</i>
*
* @return true if either the 'all-in-one' native JAR or all native JARs loaded successful or were loaded already,
* false in case of an error
*/
public static boolean addNativeJarLibs(Class<?>[] classesFromJavaJars, String singleJarMarker, String[] stripBasenameSuffixes) {
if(DEBUG) {
System.err.println("JNILibLoaderBase: addNativeJarLibs0(classesFromJavaJars "+Arrays.asList(classesFromJavaJars)+", singleJarMarker "+singleJarMarker+", stripBasenameSuffixes "+(null!=stripBasenameSuffixes?Arrays.asList(stripBasenameSuffixes):"none"));
}
boolean ok = false;
if(TempJarCache.isInitialized()) {
final StringBuilder msg = new StringBuilder();
int count = 0;
try {
boolean done = false;
ok = true;
for(int i=0; !done && ok && i<classesFromJavaJars.length && null!=classesFromJavaJars[i]; i++) {
final ClassLoader cl = classesFromJavaJars[i].getClassLoader();
final URI classJarURI = JarUtil.getJarURI(classesFromJavaJars[i].getName(), cl);
final String jarName = JarUtil.getJarBasename(classJarURI);
ok = null != jarName;
if(ok) {
final String jarBasename = jarName.substring(0, jarName.indexOf(".jar")); // ".jar" already validated w/ JarUtil.getJarBasename(..)
final String nativeJarBasename = stripName(jarBasename, stripBasenameSuffixes);
done = null != singleJarMarker && jarBasename.indexOf(singleJarMarker) >= 0; // done if single-jar ('all' variant)
ok = JNILibLoaderBase.addNativeJarLibsImpl(classesFromJavaJars[i], classJarURI, nativeJarBasename, msg);
if(ok) { count++; }
if(DEBUG && done) {
System.err.println("JNILibLoaderBase: addNativeJarLibs0: end after all-in-one JAR: "+jarBasename);
}
}
}
} catch (Exception e0) {
// IllegalArgumentException, IOException
System.err.println("Catched "+e0.getClass().getSimpleName()+": "+e0.getMessage()+", while "+msg.toString());
if(DEBUG) {
e0.printStackTrace();
}
ok = false;
}
if(DEBUG) {
System.err.println("JNILibLoaderBase: addNativeJarLibs0(..) done, count "+count+", ok "+ok);
}
} else if(DEBUG) {
System.err.println("JNILibLoaderBase: addNativeJarLibs0: disabled due to uninitialized TempJarCache");
}
return ok;
}
private static final String stripName(String name, String[] suffixes) {
if(null != suffixes) {
for(int i=0; i<suffixes.length && null != suffixes[i]; i++) {
int idx = name.indexOf(suffixes[i]);
if(0 < idx) {
return name.substring(0, idx);
}
}
}
return name;
}
/**
* Loads the library specified by libname, using the {@link LoaderAction} set by {@link #setLoadingAction(LoaderAction)}.<br>
* The implementation should ignore, if the library has been loaded already.<br>
* @param libname the library to load
* @param ignoreError if true, errors during loading the library should be ignored
* @param cl optional ClassLoader, used to locate the library
* @return true if library loaded successful
*/
protected static synchronized boolean loadLibrary(String libname, boolean ignoreError, ClassLoader cl) {
if (loaderAction != null) {
return loaderAction.loadLibrary(libname, ignoreError, cl);
}
return false;
}
/**
* Loads the library specified by libname, using the {@link LoaderAction} set by {@link #setLoadingAction(LoaderAction)}.<br>
* Optionally preloads the libraries specified by preload.<br>
* The implementation should ignore, if any library has been loaded already.<br>
* @param libname the library to load
* @param preload the libraries to load before loading the main library if not null
* @param preloadIgnoreError if true, errors during loading the preload-libraries should be ignored
* @param cl optional ClassLoader, used to locate the library
*/
protected static synchronized void loadLibrary(String libname, String[] preload, boolean preloadIgnoreError, ClassLoader cl) {
if (loaderAction != null) {
loaderAction.loadLibrary(libname, preload, preloadIgnoreError, cl);
}
}
// private static final Class<?> customLauncherClass; // FIXME: remove
private static final Method customLoadLibraryMethod;
static {
final String sunAppletLauncherProperty = "sun.jnlp.applet.launcher";
final String sunAppletLauncherClassName = "org.jdesktop.applet.util.JNLPAppletLauncher";
final Method loadLibraryMethod = AccessController.doPrivileged(new PrivilegedAction<Method>() {
public Method run() {
// FIXME: remove
final boolean usingJNLPAppletLauncher = Debug.getBooleanProperty(sunAppletLauncherProperty, true);
Class<?> launcherClass = null;
Method loadLibraryMethod = null;
if (usingJNLPAppletLauncher) {
try {
launcherClass = Class.forName(sunAppletLauncherClassName);
} catch (ClassNotFoundException cnfe) {
// oops .. look like JNLPAppletLauncher doesn't exist, despite property
// this may happen if a previous applet was using JNLPAppletLauncher in the same JVM
System.err.println("JNILibLoaderBase: <"+sunAppletLauncherClassName+"> not found, despite enabled property <"+sunAppletLauncherProperty+">, JNLPAppletLauncher was probably used before");
System.setProperty(sunAppletLauncherProperty, Boolean.FALSE.toString());
} catch (LinkageError le) {
throw le;
}
if(null != launcherClass) {
try {
loadLibraryMethod = launcherClass.getDeclaredMethod("loadLibrary", new Class[] { String.class });
} catch (NoSuchMethodException ex) {
if(DEBUG) {
ex.printStackTrace();
}
launcherClass = null;
}
}
}
if(null==launcherClass) {
String launcherClassName = PropertyAccess.getProperty("jnlp.launcher.class", false, null);
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;
}
}
}
return loadLibraryMethod;
} } );
customLoadLibraryMethod = loadLibraryMethod;
}
private static void loadLibraryInternal(String libraryName, ClassLoader cl) {
// Note: special-casing JAWT which is built in to the JDK
int mode = 0; // 1 - custom, 2 - System.load( TempJarCache ), 3 - System.loadLibrary( name ), 4 - System.load( enumLibNames )
if (null!=customLoadLibraryMethod && !libraryName.equals("jawt")) {
// FIXME: remove
if(DEBUG) {
System.err.println("JNILibLoaderBase: customLoad("+libraryName+") - mode 1");
}
try {
customLoadLibraryMethod.invoke(null, new Object[] { libraryName });
mode = 1;
} 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.err.println("sun.boot.library.path=" + Debug.getProperty("sun.boot.library.path", false));
final String libraryPath = NativeLibrary.findLibrary(libraryName, cl); // implicit TempJarCache usage if used/initialized
if(DEBUG) {
System.err.println("JNILibLoaderBase: loadLibraryInternal("+libraryName+"), TempJarCache: "+libraryPath);
}
if(null != libraryPath) {
if(DEBUG) {
System.err.println("JNILibLoaderBase: System.load("+libraryPath+") - mode 2");
}
System.load(libraryPath);
mode = 2;
} else {
if(DEBUG) {
System.err.println("JNILibLoaderBase: System.loadLibrary("+libraryName+") - mode 3");
}
try {
System.loadLibrary(libraryName);
mode = 3;
} catch (UnsatisfiedLinkError ex1) {
if(DEBUG) {
System.err.println("ERROR (retry w/ enumLibPath) - "+ex1.getMessage());
}
List<String> possiblePaths = NativeLibrary.enumerateLibraryPaths(libraryName, libraryName, libraryName, true, cl);
// Iterate down these and see which one if any we can actually find.
for (Iterator<String> iter = possiblePaths.iterator(); 0 == mode && iter.hasNext(); ) {
String path = iter.next();
if (DEBUG) {
System.err.println("JNILibLoaderBase: System.load("+path+") - mode 4");
}
try {
System.load(path);
mode = 4;
} catch (UnsatisfiedLinkError ex2) {
if(DEBUG) {
System.err.println("n/a - "+ex2.getMessage());
}
if(!iter.hasNext()) {
throw ex2;
}
}
}
}
}
}
if(DEBUG) {
System.err.println("JNILibLoaderBase: loadLibraryInternal("+libraryName+"): OK - mode "+mode);
}
}
}