jdk/src/java.base/linux/classes/sun/nio/fs/MagicFileTypeDetector.java
changeset 39934 9c84ee88dd3a
parent 39933 c0dd0f198453
parent 39922 e613affb88d1
child 39935 6016bd47edc9
--- a/jdk/src/java.base/linux/classes/sun/nio/fs/MagicFileTypeDetector.java	Thu Jul 28 09:29:36 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;
-            }
-        });
-    }
-}