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Struts example source code file (FlatFile.js)
The Struts FlatFile.js source code/* Copyright (c) 2004-2006, The Dojo Foundation All Rights Reserved. Licensed under the Academic Free License version 2.1 or above OR the modified BSD license. For more information on Dojo licensing, see: http://dojotoolkit.org/community/licensing.shtml */ dojo.provide("dojo.data.old.provider.FlatFile"); dojo.require("dojo.data.old.provider.Base"); dojo.require("dojo.data.old.Item"); dojo.require("dojo.data.old.Attribute"); dojo.require("dojo.data.old.ResultSet"); dojo.require("dojo.data.old.format.Json"); dojo.require("dojo.data.old.format.Csv"); dojo.require("dojo.lang.assert"); dojo.data.old.provider.FlatFile = function (keywordParameters) { dojo.lang.assertType(keywordParameters, "pureobject", {optional:true}); dojo.data.old.provider.Base.call(this); this._arrayOfItems = []; this._resultSet = null; this._dictionaryOfAttributes = {}; if (keywordParameters) { var jsonObjects = keywordParameters["jsonObjects"]; var jsonString = keywordParameters["jsonString"]; var fileUrl = keywordParameters["url"]; if (jsonObjects) { dojo.data.old.format.Json.loadDataProviderFromArrayOfJsonData(this, jsonObjects); } if (jsonString) { dojo.data.old.format.Json.loadDataProviderFromFileContents(this, jsonString); } if (fileUrl) { var arrayOfParts = fileUrl.split("."); var lastPart = arrayOfParts[(arrayOfParts.length - 1)]; var formatParser = null; if (lastPart == "json") { formatParser = dojo.data.old.format.Json; } if (lastPart == "csv") { formatParser = dojo.data.old.format.Csv; } if (formatParser) { var fileContents = dojo.hostenv.getText(fileUrl); formatParser.loadDataProviderFromFileContents(this, fileContents); } else { dojo.lang.assert(false, "new dojo.data.old.provider.FlatFile({url: }) was passed a file without a .csv or .json suffix"); } } } }; dojo.inherits(dojo.data.old.provider.FlatFile, dojo.data.old.provider.Base); dojo.data.old.provider.FlatFile.prototype.getProviderCapabilities = function (keyword) { dojo.lang.assertType(keyword, String, {optional:true}); if (!this._ourCapabilities) { this._ourCapabilities = {transactions:false, undo:false, login:false, versioning:false, anonymousRead:true, anonymousWrite:false, permissions:false, queries:false, strongTyping:false, datatypes:[String, Date, Number]}; } if (keyword) { return this._ourCapabilities[keyword]; } else { return this._ourCapabilities; } }; dojo.data.old.provider.FlatFile.prototype.registerAttribute = function (attributeId) { var registeredAttribute = this.getAttribute(attributeId); if (!registeredAttribute) { var newAttribute = new dojo.data.old.Attribute(this, attributeId); this._dictionaryOfAttributes[attributeId] = newAttribute; registeredAttribute = newAttribute; } return registeredAttribute; }; dojo.data.old.provider.FlatFile.prototype.getAttribute = function (attributeId) { var attribute = (this._dictionaryOfAttributes[attributeId] || null); return attribute; }; dojo.data.old.provider.FlatFile.prototype.getAttributes = function () { var arrayOfAttributes = []; for (var key in this._dictionaryOfAttributes) { var attribute = this._dictionaryOfAttributes[key]; arrayOfAttributes.push(attribute); } return arrayOfAttributes; }; dojo.data.old.provider.FlatFile.prototype.fetchArray = function (query) { return this._arrayOfItems; }; dojo.data.old.provider.FlatFile.prototype.fetchResultSet = function (query) { if (!this._resultSet) { this._resultSet = new dojo.data.old.ResultSet(this, this.fetchArray(query)); } return this._resultSet; }; dojo.data.old.provider.FlatFile.prototype._newItem = function () { var item = new dojo.data.old.Item(this); this._arrayOfItems.push(item); return item; }; dojo.data.old.provider.FlatFile.prototype._newAttribute = function (attributeId) { dojo.lang.assertType(attributeId, String); dojo.lang.assert(this.getAttribute(attributeId) === null); var attribute = new dojo.data.old.Attribute(this, attributeId); this._dictionaryOfAttributes[attributeId] = attribute; return attribute; }; dojo.data.old.provider.Base.prototype._getResultSets = function () { return [this._resultSet]; }; Other Struts examples (source code examples)Here is a short list of links related to this Struts FlatFile.js source code file: |
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