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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.DOMErrorLike');
goog.provide('goog.fs.Error');
goog.provide('goog.fs.Error.ErrorCode');
goog.require('goog.asserts');
goog.require('goog.debug.Error');
goog.require('goog.object');
goog.require('goog.string');
/** @record */
goog.fs.DOMErrorLike = function() {};
/** @type {string|undefined} */
goog.fs.DOMErrorLike.prototype.name;
/** @type {goog.fs.Error.ErrorCode|undefined} */
goog.fs.DOMErrorLike.prototype.code;
/**
* 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 {!DOMError|!goog.fs.DOMErrorLike} error
* @param {string} action The action being undertaken when the error was raised.
* @constructor
* @extends {goog.debug.Error}
* @final
*/
goog.fs.Error = function(error, action) {
/** @type {string} */
this.name;
/**
* @type {goog.fs.Error.ErrorCode}
* @deprecated Use the 'name' or 'message' field instead.
*/
this.code;
if (goog.isDef(error.name)) {
this.name = error.name;
// TODO(user): Remove warning suppression after JSCompiler stops
// firing a spurious warning here.
/** @suppress {deprecated} */
this.code = goog.fs.Error.getCodeFromName_(error.name);
} else {
this.code = goog.asserts.assertNumber(error.code);
this.name = goog.fs.Error.getNameFromCode_(error.code);
}
goog.fs.Error.base(
this, 'constructor', goog.string.subs('%s %s', this.name, action));
};
goog.inherits(goog.fs.Error, goog.debug.Error);
/**
* Names of errors that may be thrown by the File API, the File System API, or
* the File Writer API.
*
* @see http://dev.w3.org/2006/webapi/FileAPI/#ErrorAndException
* @see http://www.w3.org/TR/file-system-api/#definitions
* @see http://dev.w3.org/2009/dap/file-system/file-writer.html#definitions
* @enum {string}
*/
goog.fs.Error.ErrorName = {
ABORT: 'AbortError',
ENCODING: 'EncodingError',
INVALID_MODIFICATION: 'InvalidModificationError',
INVALID_STATE: 'InvalidStateError',
NOT_FOUND: 'NotFoundError',
NOT_READABLE: 'NotReadableError',
NO_MODIFICATION_ALLOWED: 'NoModificationAllowedError',
PATH_EXISTS: 'PathExistsError',
QUOTA_EXCEEDED: 'QuotaExceededError',
SECURITY: 'SecurityError',
SYNTAX: 'SyntaxError',
TYPE_MISMATCH: 'TypeMismatchError'
};
/**
* Error codes for file errors.
* @see http://www.w3.org/TR/file-system-api/#idl-def-FileException
*
* @enum {number}
* @deprecated Use the 'name' or 'message' attribute instead.
*/
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 {goog.fs.Error.ErrorCode|undefined} code
* @return {string} name
* @private
*/
goog.fs.Error.getNameFromCode_ = function(code) {
var name = goog.object.findKey(
goog.fs.Error.NameToCodeMap_, function(c) { return code == c; });
if (!goog.isDef(name)) {
throw new Error('Invalid code: ' + code);
}
return name;
};
/**
* Returns the code that corresponds to the given name.
* @param {string} name
* @return {goog.fs.Error.ErrorCode} code
* @private
*/
goog.fs.Error.getCodeFromName_ = function(name) {
return goog.fs.Error.NameToCodeMap_[name];
};
/**
* Mapping from error names to values from the ErrorCode enum.
* @see http://www.w3.org/TR/file-system-api/#definitions.
* @private {!Object<string, goog.fs.Error.ErrorCode>}
*/
goog.fs.Error.NameToCodeMap_ = goog.object.create(
goog.fs.Error.ErrorName.ABORT, goog.fs.Error.ErrorCode.ABORT,
goog.fs.Error.ErrorName.ENCODING, goog.fs.Error.ErrorCode.ENCODING,
goog.fs.Error.ErrorName.INVALID_MODIFICATION,
goog.fs.Error.ErrorCode.INVALID_MODIFICATION,
goog.fs.Error.ErrorName.INVALID_STATE,
goog.fs.Error.ErrorCode.INVALID_STATE,
goog.fs.Error.ErrorName.NOT_FOUND, goog.fs.Error.ErrorCode.NOT_FOUND,
goog.fs.Error.ErrorName.NOT_READABLE, goog.fs.Error.ErrorCode.NOT_READABLE,
goog.fs.Error.ErrorName.NO_MODIFICATION_ALLOWED,
goog.fs.Error.ErrorCode.NO_MODIFICATION_ALLOWED,
goog.fs.Error.ErrorName.PATH_EXISTS, goog.fs.Error.ErrorCode.PATH_EXISTS,
goog.fs.Error.ErrorName.QUOTA_EXCEEDED,
goog.fs.Error.ErrorCode.QUOTA_EXCEEDED,
goog.fs.Error.ErrorName.SECURITY, goog.fs.Error.ErrorCode.SECURITY,
goog.fs.Error.ErrorName.SYNTAX, goog.fs.Error.ErrorCode.SYNTAX,
goog.fs.Error.ErrorName.TYPE_MISMATCH,
goog.fs.Error.ErrorCode.TYPE_MISMATCH);
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