| /* |
| * Copyright (c) 2008, 2009, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| #include "jni.h" |
| #include "jni_util.h" |
| #include "jvm.h" |
| #include "jlong.h" |
| |
| #include <stdlib.h> |
| #include <dlfcn.h> |
| #include <link.h> |
| |
| #ifdef __solaris__ |
| #include <strings.h> |
| #endif |
| |
| #ifdef __linux__ |
| #include <string.h> |
| #endif |
| |
| /* Definitions for GIO */ |
| |
| #define G_FILE_ATTRIBUTE_STANDARD_CONTENT_TYPE "standard::content-type" |
| |
| typedef void* gpointer; |
| typedef struct _GFile GFile; |
| typedef struct _GFileInfo GFileInfo; |
| typedef struct _GCancellable GCancellable; |
| typedef struct _GError GError; |
| |
| typedef enum { |
| G_FILE_QUERY_INFO_NONE = 0 |
| } GFileQueryInfoFlags; |
| |
| typedef void (*g_type_init_func)(void); |
| typedef void (*g_object_unref_func)(gpointer object); |
| typedef GFile* (*g_file_new_for_path_func)(const char* path); |
| typedef GFileInfo* (*g_file_query_info_func)(GFile *file, |
| const char *attributes, GFileQueryInfoFlags flags, |
| GCancellable *cancellable, GError **error); |
| typedef char* (*g_file_info_get_content_type_func)(GFileInfo *info); |
| |
| static g_type_init_func g_type_init; |
| static g_object_unref_func g_object_unref; |
| static g_file_new_for_path_func g_file_new_for_path; |
| static g_file_query_info_func g_file_query_info; |
| static g_file_info_get_content_type_func g_file_info_get_content_type; |
| |
| |
| /* Definitions for GNOME VFS */ |
| |
| typedef int gboolean; |
| |
| typedef gboolean (*gnome_vfs_init_function)(void); |
| typedef const char* (*gnome_vfs_mime_type_from_name_function) |
| (const char* filename); |
| |
| static gnome_vfs_init_function gnome_vfs_init; |
| static gnome_vfs_mime_type_from_name_function gnome_vfs_mime_type_from_name; |
| |
| |
| #include "sun_nio_fs_GnomeFileTypeDetector.h" |
| |
| |
| JNIEXPORT jboolean JNICALL |
| Java_sun_nio_fs_GnomeFileTypeDetector_initializeGio |
| (JNIEnv* env, jclass this) |
| { |
| void* gio_handle; |
| |
| gio_handle = dlopen("libgio-2.0.so", RTLD_LAZY); |
| if (gio_handle == NULL) { |
| gio_handle = dlopen("libgio-2.0.so.0", RTLD_LAZY); |
| if (gio_handle == NULL) { |
| return JNI_FALSE; |
| } |
| } |
| |
| g_type_init = (g_type_init_func)dlsym(gio_handle, "g_type_init"); |
| (*g_type_init)(); |
| |
| g_object_unref = (g_object_unref_func)dlsym(gio_handle, "g_object_unref"); |
| |
| g_file_new_for_path = |
| (g_file_new_for_path_func)dlsym(gio_handle, "g_file_new_for_path"); |
| |
| g_file_query_info = |
| (g_file_query_info_func)dlsym(gio_handle, "g_file_query_info"); |
| |
| g_file_info_get_content_type = (g_file_info_get_content_type_func) |
| dlsym(gio_handle, "g_file_info_get_content_type"); |
| |
| |
| if (g_type_init == NULL || |
| g_object_unref == NULL || |
| g_file_new_for_path == NULL || |
| g_file_query_info == NULL || |
| g_file_info_get_content_type == NULL) |
| { |
| dlclose(gio_handle); |
| return JNI_FALSE; |
| } |
| |
| (*g_type_init)(); |
| return JNI_TRUE; |
| } |
| |
| JNIEXPORT jbyteArray JNICALL |
| Java_sun_nio_fs_GnomeFileTypeDetector_probeUsingGio |
| (JNIEnv* env, jclass this, jlong pathAddress) |
| { |
| char* path = (char*)jlong_to_ptr(pathAddress); |
| GFile* gfile; |
| GFileInfo* gfileinfo; |
| jbyteArray result = NULL; |
| |
| gfile = (*g_file_new_for_path)(path); |
| gfileinfo = (*g_file_query_info)(gfile, G_FILE_ATTRIBUTE_STANDARD_CONTENT_TYPE, |
| G_FILE_QUERY_INFO_NONE, NULL, NULL); |
| if (gfileinfo != NULL) { |
| const char* mime = (*g_file_info_get_content_type)(gfileinfo); |
| if (mime != NULL) { |
| jsize len = strlen(mime); |
| result = (*env)->NewByteArray(env, len); |
| if (result != NULL) { |
| (*env)->SetByteArrayRegion(env, result, 0, len, (jbyte*)mime); |
| } |
| } |
| (*g_object_unref)(gfileinfo); |
| } |
| (*g_object_unref)(gfile); |
| |
| return result; |
| } |
| |
| JNIEXPORT jboolean JNICALL |
| Java_sun_nio_fs_GnomeFileTypeDetector_initializeGnomeVfs |
| (JNIEnv* env, jclass this) |
| { |
| void* vfs_handle; |
| |
| vfs_handle = dlopen("libgnomevfs-2.so", RTLD_LAZY); |
| if (vfs_handle == NULL) { |
| vfs_handle = dlopen("libgnomevfs-2.so.0", RTLD_LAZY); |
| } |
| if (vfs_handle == NULL) { |
| return JNI_FALSE; |
| } |
| |
| gnome_vfs_init = (gnome_vfs_init_function)dlsym(vfs_handle, "gnome_vfs_init"); |
| gnome_vfs_mime_type_from_name = (gnome_vfs_mime_type_from_name_function) |
| dlsym(vfs_handle, "gnome_vfs_mime_type_from_name"); |
| |
| if (gnome_vfs_init == NULL || |
| gnome_vfs_mime_type_from_name == NULL) |
| { |
| dlclose(vfs_handle); |
| return JNI_FALSE; |
| } |
| |
| (*gnome_vfs_init)(); |
| return JNI_TRUE; |
| } |
| |
| JNIEXPORT jbyteArray JNICALL |
| Java_sun_nio_fs_GnomeFileTypeDetector_probeUsingGnomeVfs |
| (JNIEnv* env, jclass this, jlong pathAddress) |
| { |
| char* path = (char*)jlong_to_ptr(pathAddress); |
| const char* mime = (*gnome_vfs_mime_type_from_name)(path); |
| |
| if (mime == NULL) { |
| return NULL; |
| } else { |
| jbyteArray result; |
| jsize len = strlen(mime); |
| result = (*env)->NewByteArray(env, len); |
| if (result != NULL) { |
| (*env)->SetByteArrayRegion(env, result, 0, len, (jbyte*)mime); |
| } |
| return result; |
| } |
| } |