--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/app/src/main/java/ch/ethz/ssh2/sftp/ErrorCodes.java	Thu Dec 03 11:23:55 2015 -0800
@@ -0,0 +1,134 @@
+/*
+ * Copyright (c) 2006-2011 Christian Plattner. All rights reserved.
+ * Please refer to the LICENSE.txt for licensing details.
+ */
+package ch.ethz.ssh2.sftp;
+
+/**
+ * SFTP Error Codes
+ *
+ * @author Christian Plattner
+ * @version 2.50, 03/15/10
+ */
+public final class ErrorCodes {
+    private ErrorCodes() {
+    }
+
+    public static final int SSH_FX_OK = 0;
+    public static final int SSH_FX_EOF = 1;
+    public static final int SSH_FX_NO_SUCH_FILE = 2;
+    public static final int SSH_FX_PERMISSION_DENIED = 3;
+    public static final int SSH_FX_FAILURE = 4;
+    public static final int SSH_FX_BAD_MESSAGE = 5;
+    public static final int SSH_FX_NO_CONNECTION = 6;
+    public static final int SSH_FX_CONNECTION_LOST = 7;
+    /**
+     * The server MUST respond with SSH_FXP_STATUS(SSH_FX_OP_UNSUPPORTED) if
+     * it receives a packet it does not recognize.
+     */
+    public static final int SSH_FX_OP_UNSUPPORTED = 8;
+    public static final int SSH_FX_INVALID_HANDLE = 9;
+    public static final int SSH_FX_NO_SUCH_PATH = 10;
+    public static final int SSH_FX_FILE_ALREADY_EXISTS = 11;
+    public static final int SSH_FX_WRITE_PROTECT = 12;
+    public static final int SSH_FX_NO_MEDIA = 13;
+    public static final int SSH_FX_NO_SPACE_ON_FILESYSTEM = 14;
+    public static final int SSH_FX_QUOTA_EXCEEDED = 15;
+    public static final int SSH_FX_UNKNOWN_PRINCIPAL = 16;
+    public static final int SSH_FX_LOCK_CONFLICT = 17;
+    public static final int SSH_FX_DIR_NOT_EMPTY = 18;
+    public static final int SSH_FX_NOT_A_DIRECTORY = 19;
+    public static final int SSH_FX_INVALID_FILENAME = 20;
+    public static final int SSH_FX_LINK_LOOP = 21;
+    public static final int SSH_FX_CANNOT_DELETE = 22;
+    public static final int SSH_FX_INVALID_PARAMETER = 23;
+    public static final int SSH_FX_FILE_IS_A_DIRECTORY = 24;
+    public static final int SSH_FX_BYTE_RANGE_LOCK_CONFLICT = 25;
+    public static final int SSH_FX_BYTE_RANGE_LOCK_REFUSED = 26;
+    public static final int SSH_FX_DELETE_PENDING = 27;
+    public static final int SSH_FX_FILE_CORRUPT = 28;
+    public static final int SSH_FX_OWNER_INVALID = 29;
+    public static final int SSH_FX_GROUP_INVALID = 30;
+    public static final int SSH_FX_NO_MATCHING_BYTE_RANGE_LOCK = 31;
+
+    private static final String[][] messages = {
+
+        {"SSH_FX_OK", "Indicates successful completion of the operation."},
+        {
+            "SSH_FX_EOF",
+            "An attempt to read past the end-of-file was made; or, there are no more directory entries to return."
+        },
+        {"SSH_FX_NO_SUCH_FILE", "A reference was made to a file which does not exist."},
+        {"SSH_FX_PERMISSION_DENIED", "The user does not have sufficient permissions to perform the operation."},
+        {"SSH_FX_FAILURE", "An error occurred, but no specific error code exists to describe the failure."},
+        {"SSH_FX_BAD_MESSAGE", "A badly formatted packet or other SFTP protocol incompatibility was detected."},
+        {"SSH_FX_NO_CONNECTION", "There is no connection to the server."},
+        {"SSH_FX_CONNECTION_LOST", "The connection to the server was lost."},
+        {
+            "SSH_FX_OP_UNSUPPORTED",
+            "An attempted operation could not be completed by the server because the server does not support the operation."
+        },
+        {"SSH_FX_INVALID_HANDLE", "The handle value was invalid."},
+        {"SSH_FX_NO_SUCH_PATH", "The file path does not exist or is invalid."},
+        {"SSH_FX_FILE_ALREADY_EXISTS", "The file already exists."},
+        {"SSH_FX_WRITE_PROTECT", "The file is on read-only media, or the media is write protected."},
+        {
+            "SSH_FX_NO_MEDIA",
+            "The requested operation cannot be completed because there is no media available in the drive."
+        },
+        {
+            "SSH_FX_NO_SPACE_ON_FILESYSTEM",
+            "The requested operation cannot be completed because there is insufficient free space on the filesystem."
+        },
+        {
+            "SSH_FX_QUOTA_EXCEEDED",
+            "The operation cannot be completed because it would exceed the user's storage quota."
+        },
+        {
+            "SSH_FX_UNKNOWN_PRINCIPAL",
+            "A principal referenced by the request (either the 'owner', 'group', or 'who' field of an ACL), was unknown. The error specific data contains the problematic names."
+        },
+        {"SSH_FX_LOCK_CONFLICT", "The file could not be opened because it is locked by another process."},
+        {"SSH_FX_DIR_NOT_EMPTY", "The directory is not empty."},
+        {"SSH_FX_NOT_A_DIRECTORY", "The specified file is not a directory."},
+        {"SSH_FX_INVALID_FILENAME", "The filename is not valid."},
+        {
+            "SSH_FX_LINK_LOOP",
+            "Too many symbolic links encountered or, an SSH_FXF_NOFOLLOW open encountered a symbolic link as the final component."
+        },
+        {
+            "SSH_FX_CANNOT_DELETE",
+            "The file cannot be deleted. One possible reason is that the advisory READONLY attribute-bit is set."
+        },
+        {
+            "SSH_FX_INVALID_PARAMETER",
+            "One of the parameters was out of range, or the parameters specified cannot be used together."
+        },
+        {
+            "SSH_FX_FILE_IS_A_DIRECTORY",
+            "The specified file was a directory in a context where a directory cannot be used."
+        },
+        {
+            "SSH_FX_BYTE_RANGE_LOCK_CONFLICT",
+            " A read or write operation failed because another process's mandatory byte-range lock overlaps with the request."
+        },
+        {"SSH_FX_BYTE_RANGE_LOCK_REFUSED", "A request for a byte range lock was refused."},
+        {"SSH_FX_DELETE_PENDING", "An operation was attempted on a file for which a delete operation is pending."},
+        {"SSH_FX_FILE_CORRUPT", "The file is corrupt; an filesystem integrity check should be run."},
+        {"SSH_FX_OWNER_INVALID", "The principal specified can not be assigned as an owner of a file."},
+        {"SSH_FX_GROUP_INVALID", "The principal specified can not be assigned as the primary group of a file."},
+        {
+            "SSH_FX_NO_MATCHING_BYTE_RANGE_LOCK",
+            "The requested operation could not be completed because the	specifed byte range lock has not been granted."
+        },
+
+    };
+
+    public static final String[] getDescription(int errorCode) {
+        if ((errorCode < 0) || (errorCode >= messages.length)) {
+            return null;
+        }
+
+        return messages[errorCode];
+    }
+}