Edit C:\Program Files\Java\jdk1.7.0_45\java\io\WinNTFileSystem.java

/*
 * Copyright (c) 2001, 2006, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 */

/*
 */

package java.io;

/**
 * Unicode-aware FileSystem for Windows NT/2000.
 *
 * @author Konstantin Kladko
 * @since 1.4
 */
class WinNTFileSystem extends Win32FileSystem {

protected native String canonicalize0(String path)
                                                throws IOException;
    protected native String canonicalizeWithPrefix0(String canonicalPrefix,
                                                    String pathWithCanonicalPrefix)
                                                throws IOException;

/* -- Attribute accessors -- */

public native int getBooleanAttributes(File f);
    public native boolean checkAccess(File f, int access);
    public native long getLastModifiedTime(File f);
    public native long getLength(File f);
    public native boolean setPermission(File f, int access, boolean enable, boolean owneronly);

public long getSpace(File f, int t) {
        if (f.exists()) {
            return getSpace0(f, t);
        }
        return 0;
    }

private native long getSpace0(File f, int t);

/* -- File operations -- */

public native boolean createFileExclusively(String path)
                                               throws IOException;
    protected native boolean delete0(File f);
    public native String[] list(File f);
    public native boolean createDirectory(File f);
    protected native boolean rename0(File f1, File f2);
    public native boolean setLastModifiedTime(File f, long time);
    public native boolean setReadOnly(File f);
    protected native String getDriveDirectory(int drive);
    private static native void initIDs();

static {
            initIDs();
    }
}

Ms-Dos/Windows Unix Write backup

jsp File Browser version 1.2 by www.vonloesch.de