/*
 * 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 class 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;
	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];
	}
}
