1 /*
   2  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 #include <jni.h>
  27 #include <dlfcn.h>
  28 
  29 typedef int gboolean;
  30 
  31 typedef gboolean (GNOME_URL_SHOW_TYPE)(const char *, void **);
  32 typedef gboolean (GNOME_VFS_INIT_TYPE)(void);
  33 
  34 GNOME_URL_SHOW_TYPE *gnome_url_show;
  35 GNOME_VFS_INIT_TYPE *gnome_vfs_init;
  36 
  37 int init(){
  38     void *vfs_handle;
  39     void *gnome_handle;
  40     const char *errmsg;
  41 
  42     vfs_handle = dlopen("libgnomevfs-2.so.0", RTLD_LAZY);
  43     if (vfs_handle == NULL) {
  44 #ifdef INTERNAL_BUILD
  45         fprintf(stderr, "can not load libgnomevfs-2.so\n");
  46 #endif
  47         return 0;
  48     }
  49     dlerror(); /* Clear errors */
  50     gnome_vfs_init = (GNOME_VFS_INIT_TYPE*)dlsym(vfs_handle, "gnome_vfs_init");
  51     if ((errmsg = dlerror()) != NULL) {
  52 #ifdef INTERNAL_BUILD
  53         fprintf(stderr, "can not find symble gnome_vfs_init\n");
  54 #endif
  55         return 0;
  56     }
  57     // call gonme_vfs_init()
  58     (*gnome_vfs_init)();
  59 
  60     gnome_handle = dlopen("libgnome-2.so.0", RTLD_LAZY);
  61     if (gnome_handle == NULL) {
  62 #ifdef INTERNAL_BUILD
  63         fprintf(stderr, "can not load libgnome-2.so\n");
  64 #endif
  65         return 0;
  66     }
  67     dlerror(); /* Clear errors */
  68     gnome_url_show = (GNOME_URL_SHOW_TYPE*)dlsym(gnome_handle, "gnome_url_show");
  69     if ((errmsg = dlerror()) != NULL) {
  70 #ifdef INTERNAL_BUILD
  71         fprintf(stderr, "can not find symble gnome_url_show\n");
  72 #endif
  73         return 0;
  74     }
  75 
  76     return 1;
  77 }
  78 
  79 /*
  80  * Class:     sun_awt_X11_XDesktopPeer
  81  * Method:    init
  82  * Signature: ()Z
  83  */
  84 JNIEXPORT jboolean JNICALL Java_sun_awt_X11_XDesktopPeer_init
  85   (JNIEnv *env, jclass cls)
  86 {
  87     int init_ok = init();
  88     return init_ok ? JNI_TRUE : JNI_FALSE;
  89 }
  90 
  91 /*
  92  * Class:     sun_awt_X11_XDesktopPeer
  93  * Method:    gnome_url_show
  94  * Signature: (Ljava/lang/[B;)Z
  95  */
  96 JNIEXPORT jboolean JNICALL Java_sun_awt_X11_XDesktopPeer_gnome_1url_1show
  97   (JNIEnv *env, jobject obj, jbyteArray url_j)
  98 {
  99     gboolean success;
 100     const char* url_c;
 101 
 102     if (gnome_url_show == NULL) {
 103         return JNI_FALSE;
 104     }
 105 
 106     url_c = (char*)(*env)->GetByteArrayElements(env, url_j, NULL);
 107     // call gnome_url_show(const char* , GError**)
 108     success = (*gnome_url_show)(url_c, NULL);
 109     (*env)->ReleaseByteArrayElements(env, url_j, (signed char*)url_c, 0);
 110 
 111     return success ? JNI_TRUE : JNI_FALSE;
 112 }
--- EOF ---