--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/solaris/classes/sun/nio/fs/GnomeFileTypeDetector.java Sun Feb 15 12:25:54 2009 +0000
@@ -0,0 +1,101 @@
+/*
+ * Copyright 2008-2009 Sun Microsystems, Inc. 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. Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+package sun.nio.fs;
+
+import java.nio.file.FileRef;
+import java.io.IOException;
+import java.security.AccessController;
+import java.security.PrivilegedAction;
+
+/**
+ * File type detector that uses the GNOME I/O library or the deprecated
+ * GNOME VFS to guess the MIME type of a file.
+ */
+
+public class GnomeFileTypeDetector
+ extends AbstractFileTypeDetector
+{
+ private static final String GNOME_VFS_MIME_TYPE_UNKNOWN =
+ "application/octet-stream";
+
+ // true if GIO available
+ private final boolean gioAvailable;
+
+ // true if GNOME VFS available and GIO is not available
+ private final boolean gnomeVfsAvailable;
+
+ public GnomeFileTypeDetector() {
+ gioAvailable = initializeGio();
+ if (gioAvailable) {
+ gnomeVfsAvailable = false;
+ } else {
+ gnomeVfsAvailable = initializeGnomeVfs();
+ }
+ }
+
+ @Override
+ public String implProbeContentType(FileRef obj) throws IOException {
+ if (!gioAvailable && !gnomeVfsAvailable)
+ return null;
+ if (!(obj instanceof UnixPath))
+ return null;
+
+ UnixPath path = (UnixPath)obj;
+ NativeBuffer buffer = NativeBuffers.asNativeBuffer(path.getByteArrayForSysCalls());
+ try {
+ if (gioAvailable) {
+ byte[] type = probeUsingGio(buffer.address());
+ return (type == null) ? null : new String(type);
+ } else {
+ byte[] type = probeUsingGnomeVfs(buffer.address());
+ if (type == null)
+ return null;
+ String s = new String(type);
+ return s.equals(GNOME_VFS_MIME_TYPE_UNKNOWN) ? null : s;
+ }
+
+ } finally {
+ buffer.release();
+ }
+
+ }
+
+ // GIO
+ private static native boolean initializeGio();
+ private static native byte[] probeUsingGio(long pathAddress);
+
+ // GNOME VFS
+ private static native boolean initializeGnomeVfs();
+ private static native byte[] probeUsingGnomeVfs(long pathAddress);
+
+ static {
+ AccessController.doPrivileged(new PrivilegedAction<Void>() {
+ public Void run() {
+ System.loadLibrary("nio");
+ return null;
+ }});
+ }
+}