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Struts example source code file (XhrIframeProxy.js)
The Struts XhrIframeProxy.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.io.XhrIframeProxy"); dojo.require("dojo.experimental"); dojo.experimental("dojo.io.XhrIframeProxy"); dojo.require("dojo.io.IframeIO"); dojo.require("dojo.dom"); dojo.require("dojo.uri.Uri"); dojo.io.XhrIframeProxy = {xipClientUrl:djConfig["xipClientUrl"] || dojo.uri.moduleUri("dojo.io", "xip_client.html"), _state:{}, _stateIdCounter:0, needFrameRecursion:function () { return (true == dojo.render.html.ie70); }, send:function (facade) { var stateId = "XhrIframeProxy" + (this._stateIdCounter++); facade._stateId = stateId; var frameUrl = this.xipClientUrl + "#0:init:id=" + stateId + "&server=" + encodeURIComponent(facade._ifpServerUrl) + "&fr=false"; if (this.needFrameRecursion()) { var fullClientUrl = window.location.href; if ((this.xipClientUrl + "").charAt(0) == "/") { var endIndex = fullClientUrl.indexOf("://"); endIndex = fullClientUrl.indexOf("/", endIndex + 1); fullClientUrl = fullClientUrl.substring(0, endIndex); } else { fullClientUrl = fullClientUrl.substring(0, fullClientUrl.lastIndexOf("/") + 1); } fullClientUrl += this.xipClientUrl; var serverUrl = facade._ifpServerUrl + (facade._ifpServerUrl.indexOf("?") == -1 ? "?" : "&") + "dojo.fr=1"; frameUrl = serverUrl + "#0:init:id=" + stateId + "&client=" + encodeURIComponent(fullClientUrl) + "&fr=" + this.needFrameRecursion(); } this._state[stateId] = {facade:facade, stateId:stateId, clientFrame:dojo.io.createIFrame(stateId, "", frameUrl)}; return stateId; }, receive:function (stateId, urlEncodedData) { var response = {}; var nvPairs = urlEncodedData.split("&"); for (var i = 0; i < nvPairs.length; i++) { if (nvPairs[i]) { var nameValue = nvPairs[i].split("="); response[decodeURIComponent(nameValue[0])] = decodeURIComponent(nameValue[1]); } } var state = this._state[stateId]; var facade = state.facade; facade._setResponseHeaders(response.responseHeaders); if (response.status == 0 || response.status) { facade.status = parseInt(response.status, 10); } if (response.statusText) { facade.statusText = response.statusText; } if (response.responseText) { facade.responseText = response.responseText; var contentType = facade.getResponseHeader("Content-Type"); if (contentType && (contentType == "application/xml" || contentType == "text/xml")) { facade.responseXML = dojo.dom.createDocumentFromText(response.responseText, contentType); } } facade.readyState = 4; this.destroyState(stateId); }, clientFrameLoaded:function (stateId) { var state = this._state[stateId]; var facade = state.facade; if (this.needFrameRecursion()) { var clientWindow = window.open("", state.stateId + "_clientEndPoint"); } else { var clientWindow = state.clientFrame.contentWindow; } var reqHeaders = []; for (var param in facade._requestHeaders) { reqHeaders.push(param + ": " + facade._requestHeaders[param]); } var requestData = {uri:facade._uri}; if (reqHeaders.length > 0) { requestData.requestHeaders = reqHeaders.join("\r\n"); } if (facade._method) { requestData.method = facade._method; } if (facade._bodyData) { requestData.data = facade._bodyData; } clientWindow.send(dojo.io.argsFromMap(requestData, "utf8")); }, destroyState:function (stateId) { var state = this._state[stateId]; if (state) { delete this._state[stateId]; var parentNode = state.clientFrame.parentNode; parentNode.removeChild(state.clientFrame); state.clientFrame = null; state = null; } }, createFacade:function () { if (arguments && arguments[0] && arguments[0]["iframeProxyUrl"]) { return new dojo.io.XhrIframeFacade(arguments[0]["iframeProxyUrl"]); } else { return dojo.io.XhrIframeProxy.oldGetXmlhttpObject.apply(dojo.hostenv, arguments); } }}; dojo.io.XhrIframeProxy.oldGetXmlhttpObject = dojo.hostenv.getXmlhttpObject; dojo.hostenv.getXmlhttpObject = dojo.io.XhrIframeProxy.createFacade; dojo.io.XhrIframeFacade = function (ifpServerUrl) { this._requestHeaders = {}; this._allResponseHeaders = null; this._responseHeaders = {}; this._method = null; this._uri = null; this._bodyData = null; this.responseText = null; this.responseXML = null; this.status = null; this.statusText = null; this.readyState = 0; this._ifpServerUrl = ifpServerUrl; this._stateId = null; }; dojo.lang.extend(dojo.io.XhrIframeFacade, {open:function (method, uri) { this._method = method; this._uri = uri; this.readyState = 1; }, setRequestHeader:function (header, value) { this._requestHeaders[header] = value; }, send:function (stringData) { this._bodyData = stringData; this._stateId = dojo.io.XhrIframeProxy.send(this); this.readyState = 2; }, abort:function () { dojo.io.XhrIframeProxy.destroyState(this._stateId); }, getAllResponseHeaders:function () { return this._allResponseHeaders; }, getResponseHeader:function (header) { return this._responseHeaders[header]; }, _setResponseHeaders:function (allHeaders) { if (allHeaders) { this._allResponseHeaders = allHeaders; allHeaders = allHeaders.replace(/\r/g, ""); var nvPairs = allHeaders.split("\n"); for (var i = 0; i < nvPairs.length; i++) { if (nvPairs[i]) { var nameValue = nvPairs[i].split(": "); this._responseHeaders[nameValue[0]] = nameValue[1]; } } } }}); Other Struts examples (source code examples)Here is a short list of links related to this Struts XhrIframeProxy.js source code file: |
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