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// Copyright 2008 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 Helper class to load a list of URIs in bulk. All URIs
* must be a successfully loaded in order for the entire load to be considered
* a success.
*
*/
goog.provide('goog.net.BulkLoaderHelper');
goog.require('goog.Disposable');
goog.require('goog.debug.Logger');
/**
* Helper class used to load multiple URIs.
* @param {Array.<string|goog.Uri>} uris The URIs to load.
* @constructor
* @extends {goog.Disposable}
*/
goog.net.BulkLoaderHelper = function(uris) {
goog.Disposable.call(this);
/**
* The URIs to load.
* @type {Array.<string|goog.Uri>}
* @private
*/
this.uris_ = uris;
/**
* The response from the XHR's.
* @type {Array.<string>}
* @private
*/
this.responseTexts_ = [];
};
goog.inherits(goog.net.BulkLoaderHelper, goog.Disposable);
/**
* A logger.
* @type {goog.debug.Logger}
* @private
*/
goog.net.BulkLoaderHelper.prototype.logger_ =
goog.debug.Logger.getLogger('goog.net.BulkLoaderHelper');
/**
* Gets the URI by id.
* @param {number} id The id.
* @return {string|goog.Uri} The URI specified by the id.
*/
goog.net.BulkLoaderHelper.prototype.getUri = function(id) {
return this.uris_[id];
};
/**
* Gets the URIs.
* @return {Array.<string|goog.Uri>} The URIs.
*/
goog.net.BulkLoaderHelper.prototype.getUris = function() {
return this.uris_;
};
/**
* Gets the response texts.
* @return {Array.<string>} The response texts.
*/
goog.net.BulkLoaderHelper.prototype.getResponseTexts = function() {
return this.responseTexts_;
};
/**
* Sets the response text by id.
* @param {number} id The id.
* @param {string} responseText The response texts.
*/
goog.net.BulkLoaderHelper.prototype.setResponseText = function(
id, responseText) {
this.responseTexts_[id] = responseText;
};
/**
* Determines if the load of the URIs is complete.
* @return {boolean} TRUE iff the load is complete.
*/
goog.net.BulkLoaderHelper.prototype.isLoadComplete = function() {
var responseTexts = this.responseTexts_;
if (responseTexts.length == this.uris_.length) {
for (var i = 0; i < responseTexts.length; i++) {
if (!goog.isDefAndNotNull(responseTexts[i])) {
return false;
}
}
return true;
}
return false;
};
/** @override */
goog.net.BulkLoaderHelper.prototype.disposeInternal = function() {
goog.net.BulkLoaderHelper.superClass_.disposeInternal.call(this);
this.uris_ = null;
this.responseTexts_ = null;
};
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