--- a/jdk/src/java.base/linux/classes/sun/nio/fs/MagicFileTypeDetector.java Tue Jul 26 14:45:11 2016 -0700
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,79 +0,0 @@
-/*
- * Copyright (c) 2012, 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.
- */
-
-package sun.nio.fs;
-
-import java.io.IOException;
-import java.nio.file.Path;
-import java.security.AccessController;
-import java.security.PrivilegedAction;
-
-/**
- * File type detector that uses the libmagic to guess the MIME type of a file.
- */
-
-class MagicFileTypeDetector extends AbstractFileTypeDetector {
-
- private static final String UNKNOWN_MIME_TYPE = "application/octet-stream";
-
- // true if libmagic is available and successfully loaded
- private final boolean libmagicAvailable;
-
- public MagicFileTypeDetector() {
- libmagicAvailable = initialize0();
- }
-
- @Override
- protected String implProbeContentType(Path obj) throws IOException {
- if (!libmagicAvailable || !(obj instanceof UnixPath))
- return null;
-
- UnixPath path = (UnixPath) obj;
- path.checkRead();
-
- NativeBuffer buffer = NativeBuffers.asNativeBuffer(path.getByteArrayForSysCalls());
- try {
- byte[] type = probe0(buffer.address());
- String mimeType = (type == null) ? null : new String(type);
- return UNKNOWN_MIME_TYPE.equals(mimeType) ? null : mimeType;
- } finally {
- buffer.release();
- }
- }
-
- private static native boolean initialize0();
-
- private static native byte[] probe0(long pathAddress);
-
- static {
- AccessController.doPrivileged(new PrivilegedAction<>() {
- @Override
- public Void run() {
- System.loadLibrary("nio");
- return null;
- }
- });
- }
-}