1 /* 2 * Copyright (c) 2005, 2011, 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 (gnome_vfs_init == NULL){ 52 #ifdef INTERNAL_BUILD 53 fprintf(stderr, "dlsym( gnome_vfs_init) returned NULL\n"); 54 #endif 55 return 0; 56 } 57 if ((errmsg = dlerror()) != NULL) { 58 #ifdef INTERNAL_BUILD 59 fprintf(stderr, "can not find symbol gnome_vfs_init %s \n", errmsg); 60 #endif 61 return 0; 62 } 63 // call gonme_vfs_init() 64 (*gnome_vfs_init)(); 65 66 gnome_handle = dlopen("libgnome-2.so.0", RTLD_LAZY); 67 if (gnome_handle == NULL) { 68 #ifdef INTERNAL_BUILD 69 fprintf(stderr, "can not load libgnome-2.so\n"); 70 #endif 71 return 0; 72 } 73 dlerror(); /* Clear errors */ 74 gnome_url_show = (GNOME_URL_SHOW_TYPE*)dlsym(gnome_handle, "gnome_url_show"); 75 if ((errmsg = dlerror()) != NULL) { 76 #ifdef INTERNAL_BUILD 77 fprintf(stderr, "can not find symble gnome_url_show\n"); 78 #endif 79 return 0; 80 } 81 82 return 1; 83 } 84 85 /* 86 * Class: sun_awt_X11_XDesktopPeer 87 * Method: init 88 * Signature: ()Z 89 */ 90 JNIEXPORT jboolean JNICALL Java_sun_awt_X11_XDesktopPeer_init 91 (JNIEnv *env, jclass cls) 92 { 93 int init_ok = init(); 94 return init_ok ? JNI_TRUE : JNI_FALSE; 95 } 96 97 /* 98 * Class: sun_awt_X11_XDesktopPeer 99 * Method: gnome_url_show 100 * Signature: (Ljava/lang/[B;)Z 101 */ 102 JNIEXPORT jboolean JNICALL Java_sun_awt_X11_XDesktopPeer_gnome_1url_1show 103 (JNIEnv *env, jobject obj, jbyteArray url_j) 104 { 105 gboolean success; 106 const char* url_c; 107 108 if (gnome_url_show == NULL) { 109 return JNI_FALSE; 110 } 111 112 url_c = (char*)(*env)->GetByteArrayElements(env, url_j, NULL); 113 // call gnome_url_show(const char* , GError**) 114 success = (*gnome_url_show)(url_c, NULL); 115 (*env)->ReleaseByteArrayElements(env, url_j, (signed char*)url_c, 0); 116 117 return success ? JNI_TRUE : JNI_FALSE; 118 }