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lightning-sunbird  0.9+nobinonly
JavaXPCOMMethods.java
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00001 /* ***** BEGIN LICENSE BLOCK *****
00002  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
00003  *
00004  * The contents of this file are subject to the Mozilla Public License Version
00005  * 1.1 (the "License"); you may not use this file except in compliance with
00006  * the License. You may obtain a copy of the License at
00007  * http://www.mozilla.org/MPL/
00008  *
00009  * Software distributed under the License is distributed on an "AS IS" basis,
00010  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
00011  * for the specific language governing rights and limitations under the
00012  * License.
00013  *
00014  * The Original Code is Java XPCOM Bindings.
00015  *
00016  * The Initial Developer of the Original Code is IBM Corporation.
00017  * Portions created by the Initial Developer are Copyright (C) 2006
00018  * IBM Corporation. All Rights Reserved.
00019  *
00020  * Contributor(s):
00021  *   Javier Pedemonte (jhpedemonte@gmail.com)
00022  *
00023  * Alternatively, the contents of this file may be used under the terms of
00024  * either the GNU General Public License Version 2 or later (the "GPL"), or
00025  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
00026  * in which case the provisions of the GPL or the LGPL are applicable instead
00027  * of those above. If you wish to allow use of your version of this file only
00028  * under the terms of either the GPL or the LGPL, and not to allow others to
00029  * use your version of this file under the terms of the MPL, indicate your
00030  * decision by deleting the provisions above and replace them with the notice
00031  * and other provisions required by the GPL or the LGPL. If you do not delete
00032  * the provisions above, a recipient may use your version of this file under
00033  * the terms of any one of the MPL, the GPL or the LGPL.
00034  *
00035  * ***** END LICENSE BLOCK ***** */
00036 
00037 package org.mozilla.xpcom.internal;
00038 
00039 import java.io.File;
00040 
00041 import org.mozilla.xpcom.IJavaXPCOMUtils;
00042 
00043 
00044 public class JavaXPCOMMethods implements IJavaXPCOMUtils {
00045 
00046   public static void registerJavaXPCOMMethods(File aLibXULDirectory) {
00047     // load JNI library
00048     String path = "";
00049     if (aLibXULDirectory != null) {
00050       path = aLibXULDirectory + File.separator;
00051     }
00052 
00053     String osName = System.getProperty("os.name").toLowerCase();
00054     if (osName.startsWith("os/2")) {
00055       System.load(path + System.mapLibraryName("jxpcmglu"));
00056     } else {
00057       System.load(path + System.mapLibraryName("javaxpcomglue"));
00058     }
00059 
00060     registerJavaXPCOMMethodsNative(aLibXULDirectory);
00061   }
00062 
00063   public static native void
00064       registerJavaXPCOMMethodsNative(File aLibXULDirectory);
00065 
00077   public static Class findClassInLoader(Object aObject, String aClassName) {
00078     try {
00079       if (aObject == null) {
00080         return Class.forName(aClassName);
00081       } else {
00082         return Class.forName(aClassName, true,
00083             aObject.getClass().getClassLoader());
00084       }
00085     } catch (ClassNotFoundException e) {
00086       return null;
00087     }
00088   }
00089 
00090   public native long wrapJavaObject(Object aJavaObject, String aIID);
00091 
00092   public native Object wrapXPCOMObject(long aXPCOMObject, String aIID);
00093 
00094 }
00095