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// Copyright 2011 The Closure Library Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS-IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
/**
* @fileoverview A wrapper for the HTML5 FileError object.
*
*/
goog.provide('goog.fs.Error');
goog.provide('goog.fs.Error.ErrorCode');
goog.require('goog.debug.Error');
goog.require('goog.string');
/**
* A filesystem error. Since the filesystem API is asynchronous, stack traces
* are less useful for identifying where errors come from, so this includes a
* large amount of metadata in the message.
*
* @param {number} code The error code for the error.
* @param {string} action The action being undertaken when the error was raised.
* @constructor
* @extends {goog.debug.Error}
*/
goog.fs.Error = function(code, action) {
goog.base(this, goog.string.subs('Error %s: %s', action,
goog.fs.Error.getDebugMessage(code)));
this.code = /** @type {goog.fs.Error.ErrorCode} */ (code);
};
goog.inherits(goog.fs.Error, goog.debug.Error);
/**
* Error codes for file errors.
* @see http://www.w3.org/TR/file-system-api/#idl-def-FileException
*
* @enum {number}
*/
goog.fs.Error.ErrorCode = {
NOT_FOUND: 1,
SECURITY: 2,
ABORT: 3,
NOT_READABLE: 4,
ENCODING: 5,
NO_MODIFICATION_ALLOWED: 6,
INVALID_STATE: 7,
SYNTAX: 8,
INVALID_MODIFICATION: 9,
QUOTA_EXCEEDED: 10,
TYPE_MISMATCH: 11,
PATH_EXISTS: 12
};
/**
* @param {number} errorCode The error code for the error.
* @return {string} A debug message for the given error code. These messages are
* for debugging only and are not localized.
*/
goog.fs.Error.getDebugMessage = function(errorCode) {
switch (errorCode) {
case goog.fs.Error.ErrorCode.NOT_FOUND:
return 'File or directory not found';
case goog.fs.Error.ErrorCode.SECURITY:
return 'Insecure or disallowed operation';
case goog.fs.Error.ErrorCode.ABORT:
return 'Operation aborted';
case goog.fs.Error.ErrorCode.NOT_READABLE:
return 'File or directory not readable';
case goog.fs.Error.ErrorCode.ENCODING:
return 'Invalid encoding';
case goog.fs.Error.ErrorCode.NO_MODIFICATION_ALLOWED:
return 'Cannot modify file or directory';
case goog.fs.Error.ErrorCode.INVALID_STATE:
return 'Invalid state';
case goog.fs.Error.ErrorCode.SYNTAX:
return 'Invalid line-ending specifier';
case goog.fs.Error.ErrorCode.INVALID_MODIFICATION:
return 'Invalid modification';
case goog.fs.Error.ErrorCode.QUOTA_EXCEEDED:
return 'Quota exceeded';
case goog.fs.Error.ErrorCode.TYPE_MISMATCH:
return 'Invalid filetype';
case goog.fs.Error.ErrorCode.PATH_EXISTS:
return 'File or directory already exists at specified path';
default:
return 'Unrecognized error';
}
};
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