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// Copyright 2013 The Closure Library Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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//      http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS-IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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/**
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 * @fileoverview Concrete implementation of the goog.fs.FileSystem interface
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 *     using an HTML FileSystem object.
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 */
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goog.provide('goog.fs.FileSystemImpl');
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goog.require('goog.fs.DirectoryEntryImpl');
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goog.require('goog.fs.FileSystem');
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/**
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 * A local filesystem.
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 *
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 * This shouldn't be instantiated directly. Instead, it should be accessed via
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 * {@link goog.fs.getTemporary} or {@link goog.fs.getPersistent}.
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 *
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 * @param {!FileSystem} fs The underlying FileSystem object.
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 * @constructor
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 * @implements {goog.fs.FileSystem}
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 * @final
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 */
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goog.fs.FileSystemImpl = function(fs) {
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  /**
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   * The underlying FileSystem object.
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   *
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   * @type {!FileSystem}
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   * @private
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   */
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  this.fs_ = fs;
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};
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/** @override */
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goog.fs.FileSystemImpl.prototype.getName = function() {
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  return this.fs_.name;
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};
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/** @override */
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goog.fs.FileSystemImpl.prototype.getRoot = function() {
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  return new goog.fs.DirectoryEntryImpl(this, this.fs_.root);
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};
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/**
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 * @return {!FileSystem} The underlying FileSystem object.
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 */
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goog.fs.FileSystemImpl.prototype.getBrowserFileSystem = function() {
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  return this.fs_;
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};
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