RepubsubIO.js
资源名称:oa.rar [点击查看]
上传用户:kimgenplus
上传日期:2016-06-05
资源大小:20877k
文件大小:10k
源码类别:
OA系统
开发平台:
Java
- /*
- 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.require("dojo.event.*");
- dojo.require("dojo.io.BrowserIO");
- dojo.provide("dojo.io.RepubsubIO");
- dojo.io.repubsubTranport = new function () {
- var rps = dojo.io.repubsub;
- this.canHandle = function (kwArgs) {
- if ((kwArgs["mimetype"] == "text/javascript") && (kwArgs["method"] == "repubsub")) {
- return true;
- }
- return false;
- };
- this.bind = function (kwArgs) {
- if (!rps.isInitialized) {
- rps.init();
- }
- if (!rps.topics[kwArgs.url]) {
- kwArgs.rpsLoad = function (evt) {
- kwArgs.load("load", evt);
- };
- rps.subscribe(kwArgs.url, kwArgs, "rpsLoad");
- }
- if (kwArgs["content"]) {
- var cEvt = dojo.io.repubsubEvent.initFromProperties(kwArgs.content);
- rps.publish(kwArgs.url, cEvt);
- }
- };
- dojo.io.transports.addTransport("repubsubTranport");
- };
- dojo.io.repubsub = new function () {
- this.initDoc = "init.html";
- this.isInitialized = false;
- this.subscriptionBacklog = [];
- this.debug = true;
- this.rcvNodeName = null;
- this.sndNodeName = null;
- this.rcvNode = null;
- this.sndNode = null;
- this.canRcv = false;
- this.canSnd = false;
- this.canLog = false;
- this.sndTimer = null;
- this.windowRef = window;
- this.backlog = [];
- this.tunnelInitCount = 0;
- this.tunnelFrameKey = "tunnel_frame";
- this.serverBaseURL = location.protocol + "//" + location.host + location.pathname;
- this.logBacklog = [];
- this.getRandStr = function () {
- return Math.random().toString().substring(2, 10);
- };
- this.userid = "guest";
- this.tunnelID = this.getRandStr();
- this.attachPathList = [];
- this.topics = [];
- this.parseGetStr = function () {
- var baseUrl = document.location.toString();
- var params = baseUrl.split("?", 2);
- if (params.length > 1) {
- var paramStr = params[1];
- var pairs = paramStr.split("&");
- var opts = [];
- for (var x in pairs) {
- var sp = pairs[x].split("=");
- try {
- opts[sp[0]] = eval(sp[1]);
- }
- catch (e) {
- opts[sp[0]] = sp[1];
- }
- }
- return opts;
- } else {
- return [];
- }
- };
- var getOpts = this.parseGetStr();
- for (var x in getOpts) {
- this[x] = getOpts[x];
- }
- if (!this["tunnelURI"]) {
- this.tunnelURI = ["/who/", escape(this.userid), "/s/", this.getRandStr(), "/kn_journal"].join("");
- }
- if (window["repubsubOpts"] || window["rpsOpts"]) {
- var optObj = window["repubsubOpts"] || window["rpsOpts"];
- for (var x in optObj) {
- this[x] = optObj[x];
- }
- }
- this.tunnelCloseCallback = function () {
- dojo.io.setIFrameSrc(this.rcvNode, this.initDoc + "?callback=repubsub.rcvNodeReady&domain=" + document.domain);
- };
- this.receiveEventFromTunnel = function (evt, srcWindow) {
- if (!evt["elements"]) {
- this.log("bailing! event received without elements!", "error");
- return;
- }
- var e = {};
- for (var i = 0; i < evt.elements.length; i++) {
- var ee = evt.elements[i];
- e[ee.name || ee.nameU] = (ee.value || ee.valueU);
- this.log("[event]: " + (ee.name || ee.nameU) + ": " + e[ee.name || ee.nameU]);
- }
- this.dispatch(e);
- };
- this.widenDomain = function (domainStr) {
- var cd = domainStr || document.domain;
- if (cd.indexOf(".") == -1) {
- return;
- }
- var dps = cd.split(".");
- if (dps.length <= 2) {
- return;
- }
- dps = dps.slice(dps.length - 2);
- document.domain = dps.join(".");
- };
- this.parseCookie = function () {
- var cs = document.cookie;
- var keypairs = cs.split(";");
- for (var x = 0; x < keypairs.length; x++) {
- keypairs[x] = keypairs[x].split("=");
- if (x != keypairs.length - 1) {
- cs += ";";
- }
- }
- return keypairs;
- };
- this.setCookie = function (keypairs, clobber) {
- if ((clobber) && (clobber == true)) {
- document.cookie = "";
- }
- var cs = "";
- for (var x = 0; x < keypairs.length; x++) {
- cs += keypairs[x][0] + "=" + keypairs[x][1];
- if (x != keypairs.length - 1) {
- cs += ";";
- }
- }
- document.cookie = cs;
- };
- this.log = function (str, lvl) {
- if (!this.debug) {
- return;
- }
- while (this.logBacklog.length > 0) {
- if (!this.canLog) {
- break;
- }
- var blo = this.logBacklog.shift();
- this.writeLog("[" + blo[0] + "]: " + blo[1], blo[2]);
- }
- this.writeLog(str, lvl);
- };
- this.writeLog = function (str, lvl) {
- dojo.debug(((new Date()).toLocaleTimeString()) + ": " + str);
- };
- this.init = function () {
- this.widenDomain();
- this.openTunnel();
- this.isInitialized = true;
- while (this.subscriptionBacklog.length) {
- this.subscribe.apply(this, this.subscriptionBacklog.shift());
- }
- };
- this.clobber = function () {
- if (this.rcvNode) {
- this.setCookie([[this.tunnelFrameKey, "closed"], ["path", "/"]], false);
- }
- };
- this.openTunnel = function () {
- this.rcvNodeName = "rcvIFrame_" + this.getRandStr();
- this.setCookie([[this.tunnelFrameKey, this.rcvNodeName], ["path", "/"]], false);
- this.rcvNode = dojo.io.createIFrame(this.rcvNodeName);
- dojo.io.setIFrameSrc(this.rcvNode, this.initDoc + "?callback=repubsub.rcvNodeReady&domain=" + document.domain);
- this.sndNodeName = "sndIFrame_" + this.getRandStr();
- this.sndNode = dojo.io.createIFrame(this.sndNodeName);
- dojo.io.setIFrameSrc(this.sndNode, this.initDoc + "?callback=repubsub.sndNodeReady&domain=" + document.domain);
- };
- this.rcvNodeReady = function () {
- var statusURI = [this.tunnelURI, "/kn_status/", this.getRandStr(), "_", String(this.tunnelInitCount++)].join("");
- this.log("rcvNodeReady");
- var initURIArr = [this.serverBaseURL, "/kn?kn_from=", escape(this.tunnelURI), "&kn_id=", escape(this.tunnelID), "&kn_status_from=", escape(statusURI)];
- dojo.io.setIFrameSrc(this.rcvNode, initURIArr.join(""));
- this.subscribe(statusURI, this, "statusListener", true);
- this.log(initURIArr.join(""));
- };
- this.sndNodeReady = function () {
- this.canSnd = true;
- this.log("sndNodeReady");
- this.log(this.backlog.length);
- if (this.backlog.length > 0) {
- this.dequeueEvent();
- }
- };
- this.statusListener = function (evt) {
- this.log("status listener called");
- this.log(evt.status, "info");
- };
- this.dispatch = function (evt) {
- if (evt["to"] || evt["kn_routed_from"]) {
- var rf = evt["to"] || evt["kn_routed_from"];
- var topic = rf.split(this.serverBaseURL, 2)[1];
- if (!topic) {
- topic = rf;
- }
- this.log("[topic] " + topic);
- if (topic.length > 3) {
- if (topic.slice(0, 3) == "/kn") {
- topic = topic.slice(3);
- }
- }
- if (this.attachPathList[topic]) {
- this.attachPathList[topic](evt);
- }
- }
- };
- this.subscribe = function (topic, toObj, toFunc, dontTellServer) {
- if (!this.isInitialized) {
- this.subscriptionBacklog.push([topic, toObj, toFunc, dontTellServer]);
- return;
- }
- if (!this.attachPathList[topic]) {
- this.attachPathList[topic] = function () {
- return true;
- };
- this.log("subscribing to: " + topic);
- this.topics.push(topic);
- }
- var revt = new dojo.io.repubsubEvent(this.tunnelURI, topic, "route");
- var rstr = [this.serverBaseURL + "/kn", revt.toGetString()].join("");
- dojo.event.kwConnect({once:true, srcObj:this.attachPathList, srcFunc:topic, adviceObj:toObj, adviceFunc:toFunc});
- if (!this.rcvNode) {
- }
- if (dontTellServer) {
- return;
- }
- this.log("sending subscription to: " + topic);
- this.sendTopicSubToServer(topic, rstr);
- };
- this.sendTopicSubToServer = function (topic, str) {
- if (!this.attachPathList[topic]["subscriptions"]) {
- this.enqueueEventStr(str);
- this.attachPathList[topic].subscriptions = 0;
- }
- this.attachPathList[topic].subscriptions++;
- };
- this.unSubscribe = function (topic, toObj, toFunc) {
- dojo.event.kwDisconnect({srcObj:this.attachPathList, srcFunc:topic, adviceObj:toObj, adviceFunc:toFunc});
- };
- this.publish = function (topic, event) {
- var evt = dojo.io.repubsubEvent.initFromProperties(event);
- evt.to = topic;
- var evtURLParts = [];
- evtURLParts.push(this.serverBaseURL + "/kn");
- evtURLParts.push(evt.toGetString());
- this.enqueueEventStr(evtURLParts.join(""));
- };
- this.enqueueEventStr = function (evtStr) {
- this.log("enqueueEventStr");
- this.backlog.push(evtStr);
- this.dequeueEvent();
- };
- this.dequeueEvent = function (force) {
- this.log("dequeueEvent");
- if (this.backlog.length <= 0) {
- return;
- }
- if ((this.canSnd) || (force)) {
- dojo.io.setIFrameSrc(this.sndNode, this.backlog.shift() + "&callback=repubsub.sndNodeReady");
- this.canSnd = false;
- } else {
- this.log("sndNode not available yet!", "debug");
- }
- };
- };
- dojo.io.repubsubEvent = function (to, from, method, id, routeURI, payload, dispname, uid) {
- this.to = to;
- this.from = from;
- this.method = method || "route";
- this.id = id || repubsub.getRandStr();
- this.uri = routeURI;
- this.displayname = dispname || repubsub.displayname;
- this.userid = uid || repubsub.userid;
- this.payload = payload || "";
- this.flushChars = 4096;
- this.initFromProperties = function (evt) {
- if (evt.constructor = dojo.io.repubsubEvent) {
- for (var x in evt) {
- this[x] = evt[x];
- }
- } else {
- for (var x in evt) {
- if (typeof this.forwardPropertiesMap[x] == "string") {
- this[this.forwardPropertiesMap[x]] = evt[x];
- } else {
- this[x] = evt[x];
- }
- }
- }
- };
- this.toGetString = function (noQmark) {
- var qs = [((noQmark) ? "" : "?")];
- for (var x = 0; x < this.properties.length; x++) {
- var tp = this.properties[x];
- if (this[tp[0]]) {
- qs.push(tp[1] + "=" + encodeURIComponent(String(this[tp[0]])));
- }
- }
- return qs.join("&");
- };
- };
- dojo.io.repubsubEvent.prototype.properties = [["from", "kn_from"], ["to", "kn_to"], ["method", "do_method"], ["id", "kn_id"], ["uri", "kn_uri"], ["displayname", "kn_displayname"], ["userid", "kn_userid"], ["payload", "kn_payload"], ["flushChars", "kn_response_flush"], ["responseFormat", "kn_response_format"]];
- dojo.io.repubsubEvent.prototype.forwardPropertiesMap = {};
- dojo.io.repubsubEvent.prototype.reversePropertiesMap = {};
- for (var x = 0; x < dojo.io.repubsubEvent.prototype.properties.length; x++) {
- var tp = dojo.io.repubsubEvent.prototype.properties[x];
- dojo.io.repubsubEvent.prototype.reversePropertiesMap[tp[0]] = tp[1];
- dojo.io.repubsubEvent.prototype.forwardPropertiesMap[tp[1]] = tp[0];
- }
- dojo.io.repubsubEvent.initFromProperties = function (evt) {
- var eventObj = new dojo.io.repubsubEvent();
- eventObj.initFromProperties(evt);
- return eventObj;
- };