--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/ch/ethz/ssh2/sftp/AttribBits.java	Fri Jul 18 11:21:46 2014 -0700
@@ -0,0 +1,133 @@
+/*
+ * Copyright (c) 2006-2011 Christian Plattner. All rights reserved.
+ * Please refer to the LICENSE.txt for licensing details.
+ */
+package ch.ethz.ssh2.sftp;
+
+/**
+ * SFTP Attribute Bits for the "attrib-bits" and "attrib-bits-valid" fields
+ * of the SFTP ATTR data type.
+ * <p/>
+ * Yes, these are the "attrib-bits", even though they have "_FLAGS_" in
+ * their name. Don't ask - I did not invent it.
+ * <p/>
+ * "<i>These fields, taken together, reflect various attributes of the file
+ * or directory, on the server. Bits not set in 'attrib-bits-valid' MUST be
+ * ignored in the 'attrib-bits' field.  This allows both the server and the
+ * client to communicate only the bits it knows about without inadvertently
+ * twiddling bits they don't understand.</i>"
+ *
+ * @author Christian Plattner
+ * @version 2.50, 03/15/10
+ */
+public final class AttribBits {
+
+    private AttribBits() {
+    }
+
+    /**
+     * Advisory, read-only bit. This bit is not part of the access
+     * control information on the file, but is rather an advisory field
+     * indicating that the file should not be written.
+     */
+    public static final int SSH_FILEXFER_ATTR_FLAGS_READONLY = 0x00000001;
+
+    /**
+     * The file is part of the operating system.
+     */
+    public static final int SSH_FILEXFER_ATTR_FLAGS_SYSTEM = 0x00000002;
+
+    /**
+     * File SHOULD NOT be shown to user unless specifically requested.
+     * For example, most UNIX systems SHOULD set this bit if the filename
+     * begins with a 'period'. This bit may be read-only (see section 5.4 of
+     * the SFTP standard draft). Most UNIX systems will not allow this to be
+     * changed.
+     */
+    public static final int SSH_FILEXFER_ATTR_FLAGS_HIDDEN = 0x00000004;
+
+    /**
+     * This attribute applies only to directories. This attribute is
+     * always read-only, and cannot be modified. This attribute means
+     * that files and directory names in this directory should be compared
+     * without regard to case.
+     * <p/>
+     * It is recommended that where possible, the server's filesystem be
+     * allowed to do comparisons. For example, if a client wished to prompt
+     * a user before overwriting a file, it should not compare the new name
+     * with the previously retrieved list of names in the directory. Rather,
+     * it should first try to create the new file by specifying
+     * SSH_FXF_CREATE_NEW flag. Then, if this fails and returns
+     * SSH_FX_FILE_ALREADY_EXISTS, it should prompt the user and then retry
+     * the create specifying SSH_FXF_CREATE_TRUNCATE.
+     * <p/>
+     * Unless otherwise specified, filenames are assumed to be case sensitive.
+     */
+    public static final int SSH_FILEXFER_ATTR_FLAGS_CASE_INSENSITIVE = 0x00000008;
+
+    /**
+     * The file should be included in backup / archive operations.
+     */
+    public static final int SSH_FILEXFER_ATTR_FLAGS_ARCHIVE = 0x00000010;
+
+    /**
+     * The file is stored on disk using file-system level transparent
+     * encryption. This flag does not affect the file data on the wire
+     * (for either READ or WRITE requests.)
+     */
+    public static final int SSH_FILEXFER_ATTR_FLAGS_ENCRYPTED = 0x00000020;
+
+    /**
+     * The file is stored on disk using file-system level transparent
+     * compression. This flag does not affect the file data on the wire.
+     */
+    public static final int SSH_FILEXFER_ATTR_FLAGS_COMPRESSED = 0x00000040;
+
+    /**
+     * The file is a sparse file; this means that file blocks that have
+     * not been explicitly written are not stored on disk. For example, if
+     * a client writes a buffer at 10 M from the beginning of the file,
+     * the blocks between the previous EOF marker and the 10 M offset would
+     * not consume physical disk space.
+     * <p/>
+     * Some servers may store all files as sparse files, in which case
+     * this bit will be unconditionally set. Other servers may not have
+     * a mechanism for determining if the file is sparse, and so the file
+     * MAY be stored sparse even if this flag is not set.
+     */
+    public static final int SSH_FILEXFER_ATTR_FLAGS_SPARSE = 0x00000080;
+
+    /**
+     * Opening the file without either the SSH_FXF_ACCESS_APPEND_DATA or
+     * the SSH_FXF_ACCESS_APPEND_DATA_ATOMIC flag (see section 8.1.1.3
+     * of the SFTP standard draft) MUST result in an
+     * SSH_FX_INVALID_PARAMETER error.
+     */
+    public static final int SSH_FILEXFER_ATTR_FLAGS_APPEND_ONLY = 0x00000100;
+
+    /**
+     * The file cannot be deleted or renamed, no hard link can be created
+     * to this file, and no data can be written to the file.
+     * <p/>
+     * This bit implies a stronger level of protection than
+     * SSH_FILEXFER_ATTR_FLAGS_READONLY, the file permission mask or ACLs.
+     * Typically even the superuser cannot write to immutable files, and
+     * only the superuser can set or remove the bit.
+     */
+    public static final int SSH_FILEXFER_ATTR_FLAGS_IMMUTABLE = 0x00000200;
+
+    /**
+     * When the file is modified, the changes are written synchronously
+     * to the disk.
+     */
+    public static final int SSH_FILEXFER_ATTR_FLAGS_SYNC = 0x00000400;
+
+    /**
+     * The server MAY include this bit in a directory listing or realpath
+     * response. It indicates there was a failure in the translation to UTF-8.
+     * If this flag is included, the server SHOULD also include the
+     * UNTRANSLATED_NAME attribute.
+     */
+    public static final int SSH_FILEXFER_ATTR_FLAGS_TRANSLATION_ERR = 0x00000800;
+
+}