X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=js%2Fpz2.js;h=8ae13790f77e414a38e31016eac75941648622af;hb=73d850607f4b24e591405c59b2accd475d73c054;hp=cf34cb7b1309efd1c446b7b98dc0344b8abe5012;hpb=8d29cb8ae99bba2962a76f38ed37921ab830d6dd;p=pazpar2-moved-to-github.git diff --git a/js/pz2.js b/js/pz2.js index cf34cb7..8ae1379 100644 --- a/js/pz2.js +++ b/js/pz2.js @@ -1,5 +1,5 @@ /* -** $Id: pz2.js,v 1.63 2007-10-30 13:41:05 jakub Exp $ + * $Id$ ** pz2.js - pazpar2's javascript client library. */ @@ -29,7 +29,7 @@ var pz2 = function ( paramArray ) // at least one callback required if ( !paramArray ) - throw new Error("Pz2.js: Array with parameters has to be suplied."); + throw new Error("Pz2.js: Array with parameters has to be supplied."); //supported pazpar2's protocol version this.suppProtoVer = '1'; @@ -48,8 +48,10 @@ var pz2 = function ( paramArray ) } this.errorHandler = paramArray.errorhandler || null; + this.showResponseType = paramArray.showResponseType || "xml"; // function callbacks + this.initCallback = paramArray.oninit || null; this.statCallback = paramArray.onstat || null; this.showCallback = paramArray.onshow || null; this.termlistCallback = paramArray.onterm || null; @@ -67,15 +69,19 @@ var pz2 = function ( paramArray ) this.keepAlive = paramArray.keepAlive; this.sessionID = null; + this.serviceId = paramArray.serviceId || null; this.initStatusOK = false; this.pingStatusOK = false; this.searchStatusOK = false; + this.mergekey = paramArray.mergekey || null; + this.rank = paramArray.rank || null; // for sorting this.currentSort = "relevance"; // where are we? this.currentStart = 0; + // currentNum can be overwritten in show this.currentNum = 20; // last full record retrieved @@ -84,7 +90,11 @@ var pz2 = function ( paramArray ) // current query this.currQuery = null; + //current raw record offset + this.currRecOffset = null; + //timers + this.pingTimer = null; this.statTime = paramArray.stattime || 1000; this.statTimer = null; this.termTime = paramArray.termtime || 1000; @@ -94,6 +104,8 @@ var pz2 = function ( paramArray ) this.showFastCount = 4; this.bytargetTime = paramArray.bytargettime || 1000; this.bytargetTimer = null; + this.recordTime = paramArray.recordtime || 500; + this.recordTimer = null; // counters for each command and applied delay this.dumpFactor = 500; @@ -101,6 +113,7 @@ var pz2 = function ( paramArray ) this.termCounter = 0; this.statCounter = 0; this.bytargetCounter = 0; + this.recordCounter = 0; // active clients, updated by stat and show // might be an issue since bytarget will poll accordingly @@ -113,8 +126,10 @@ var pz2 = function ( paramArray ) } // else, auto init session or wait for a user init? if (this.useSessions && paramArray.autoInit !== false) { - this.init(); + this.init(this.sessionID, this.serviceId); } + // Version parameter + this.version = paramArray.version || null; }; pz2.prototype = @@ -149,6 +164,7 @@ pz2.prototype = this.sessionID = null; this.initStatusOK = false; this.pingStatusOK = false; + clearTimeout(this.pingTimer); } this.searchStatusOK = false; this.stop(); @@ -157,12 +173,12 @@ pz2.prototype = this.resetCallback(); }, - init: function ( sessionId ) + init: function (sessionId, serviceId) { this.reset(); // session id as a param - if ( sessionId != undefined && this.useSessions ) { + if (sessionId && this.useSessions ) { this.initStatusOK = true; this.sessionID = sessionId; this.ping(); @@ -170,8 +186,10 @@ pz2.prototype = } else if (this.useSessions) { var context = this; var request = new pzHttpRequest(this.pz2String, this.errorHandler); - request.get( - { "command": "init" }, + var opts = {'command' : 'init'}; + if (serviceId) opts.service = serviceId; + request.safeGet( + opts, function(data) { if ( data.getElementsByTagName("status")[0] .childNodes[0].nodeValue == "OK" ) { @@ -185,12 +203,18 @@ pz2.prototype = context.sessionID = data.getElementsByTagName("session")[0] .childNodes[0].nodeValue; - setTimeout( - function () { - context.ping(); - }, - context.keepAlive - ); + if (data.getElementsByTagName("keepAlive").length > 0) { + context.keepAlive = data.getElementsByTagName("keepAlive")[0].childNodes[0].nodeValue; + } + context.pingTimer = + setTimeout( + function () { + context.ping(); + }, + context.keepAlive + ); + if ( context.initCallback ) + context.initCallback(); } else context.throwError('Init failed. Malformed WS resonse.', @@ -211,19 +235,23 @@ pz2.prototype = 'Pz2.js: Ping not allowed (proxy mode) or session not initialized.' ); var context = this; + + clearTimeout(context.pingTimer); + var request = new pzHttpRequest(this.pz2String, this.errorHandler); - request.get( - { "command": "ping", "session": this.sessionID }, + request.safeGet( + { "command": "ping", "session": this.sessionID, "windowid" : window.name }, function(data) { if ( data.getElementsByTagName("status")[0] .childNodes[0].nodeValue == "OK" ) { context.pingStatusOK = true; - setTimeout( - function () { - context.ping(); - }, - context.keepAlive - ); + context.pingTimer = + setTimeout( + function () { + context.ping(); + }, + context.keepAlive + ); } else context.throwError('Ping failed. Malformed WS resonse.', @@ -231,7 +259,7 @@ pz2.prototype = } ); }, - search: function (query, num, sort, filter, showfrom) + search: function (query, num, sort, filter, showfrom, addParamsArr) { clearTimeout(this.statTimer); clearTimeout(this.showTimer); @@ -242,6 +270,7 @@ pz2.prototype = this.termCounter = 0; this.bytargetCounter = 0; this.statCounter = 0; + this.activeClients = 1; // no proxy mode if( !this.initStatusOK ) @@ -258,17 +287,31 @@ pz2.prototype = var start = 0; var searchParams = { - "command": "search", - "query": this.currQuery, - "session": this.sessionID + "command": "search", + "query": this.currQuery, + "session": this.sessionID, + "windowid" : window.name }; - if (filter !== undefined) - searchParams["filter"] = filter; + if( sort !== undefined ) { + this.currentSort = sort; + searchParams["sort"] = sort; + } + if (filter !== undefined) searchParams["filter"] = filter; + if (this.mergekey) searchParams["mergekey"] = this.mergekey; + if (this.rank) searchParams["rank"] = this.rank; + + // copy additional parmeters, do not overwrite + if (addParamsArr != undefined) { + for (var prop in addParamsArr) { + if (!searchParams.hasOwnProperty(prop)) + searchParams[prop] = addParamsArr[prop]; + } + } var context = this; var request = new pzHttpRequest(this.pz2String, this.errorHandler); - request.get( + request.safeGet( searchParams, function(data) { if ( data.getElementsByTagName("status")[0] @@ -276,11 +319,11 @@ pz2.prototype = context.searchStatusOK = true; //piggyback search context.show(start, num, sort); - if ( context.statCallback ) + if (context.statCallback) context.stat(); - if ( context.termlistCallback ) + if (context.termlistCallback) context.termlist(); - if ( context.bytargetCallback ) + if (context.bytargetCallback) context.bytarget(); } else @@ -299,45 +342,17 @@ pz2.prototype = var context = this; var request = new pzHttpRequest(this.pz2String, this.errorHandler); - request.get( - { "command": "stat", "session": this.sessionID }, + request.safeGet( + { "command": "stat", "session": this.sessionID, "windowid" : window.name }, function(data) { if ( data.getElementsByTagName("stat") ) { var activeClients = Number( data.getElementsByTagName("activeclients")[0] .childNodes[0].nodeValue ); context.activeClients = activeClients; - var stat = { - "activeclients": activeClients, - "hits": - Number( data.getElementsByTagName("hits")[0] - .childNodes[0].nodeValue ), - "records": - Number( data.getElementsByTagName("records")[0] - .childNodes[0].nodeValue ), - "clients": - Number( data.getElementsByTagName("clients")[0] - .childNodes[0].nodeValue ), - "initializing": - Number( data.getElementsByTagName("initializing")[0] - .childNodes[0].nodeValue ), - "searching": - Number( data.getElementsByTagName("searching")[0] - .childNodes[0].nodeValue ), - "presenting": - Number( data.getElementsByTagName("presenting")[0] - .childNodes[0].nodeValue ), - "idle": - Number( data.getElementsByTagName("idle")[0] - .childNodes[0].nodeValue ), - "failed": - Number( data.getElementsByTagName("failed")[0] - .childNodes[0].nodeValue ), - "error": - Number( data.getElementsByTagName("error")[0] - .childNodes[0].nodeValue ) - }; - + + var stat = Element_parseChildNodes(data.documentElement); + context.statCounter++; var delay = context.statTime + context.statCounter * context.dumpFactor; @@ -358,7 +373,7 @@ pz2.prototype = } ); }, - show: function(start, num, sort) + show: function(start, num, sort, query_state) { if( !this.searchStatusOK && this.useSessions ) throw new Error( @@ -377,196 +392,168 @@ pz2.prototype = var context = this; var request = new pzHttpRequest(this.pz2String, this.errorHandler); - request.get( - { - "command": "show", - "session": this.sessionID, - "start": this.currentStart, - "num": this.currentNum, - "sort": this.currentSort, - "block": 1 - }, - function(data) { - if ( data.getElementsByTagName("status")[0] - .childNodes[0].nodeValue == "OK" ) { - // first parse the status data send along with records - // this is strictly bound to the format - var activeClients = - Number( data.getElementsByTagName("activeclients")[0] - .childNodes[0].nodeValue ); - context.activeClients = activeClients; - var show = { - "activeclients": activeClients, - "merged": - Number( data.getElementsByTagName("merged")[0] - .childNodes[0].nodeValue ), - "total": - Number( data.getElementsByTagName("total")[0] - .childNodes[0].nodeValue ), - "start": - Number( data.getElementsByTagName("start")[0] - .childNodes[0].nodeValue ), - "num": - Number( data.getElementsByTagName("num")[0] - .childNodes[0].nodeValue ), - "hits": [] - }; - // parse all the first-level nodes for all tags - var hits = data.getElementsByTagName("hit"); - var hit = new Array(); - for (i = 0; i < hits.length; i++) { - show.hits[i] = new Array(); - show.hits[i]['location'] = new Array(); - var locCount = 0; - for ( j = 0; j < hits[i].childNodes.length; j++) { - if ( hits[i].childNodes[j].nodeType - == Node.ELEMENT_NODE ) { - if (hits[i].childNodes[j].nodeName - == 'location') { - var locNode = hits[i].childNodes[j]; - var id = locNode.getAttribute('id'); - show.hits[i]['location'][locCount] = { - "id": locNode.getAttribute("id"), - "name": locNode.getAttribute("name") - }; - locCount++; - } - else { - var nodeName = - hits[i].childNodes[j].nodeName; - var nodeText = 'ERROR' - if ( hits[i].childNodes[j].firstChild ) - nodeText = - hits[i].childNodes[j] - .firstChild.nodeValue; - show.hits[i][nodeName] = nodeText; - } - } - } - } - context.showCounter++; - var delay = context.showTime; - if (context.showCounter > context.showFastCount) - delay += context.showCounter * context.dumpFactor; - if ( activeClients > 0 ) - context.showTimer = setTimeout( - function () { - context.show(); - }, - delay); + var requestParameters = + { + "command": "show", + "session": this.sessionID, + "start": this.currentStart, + "num": this.currentNum, + "sort": this.currentSort, + "block": 1, + "type": this.showResponseType, + "windowid" : window.name + }; + if (query_state) + requestParameters["query-state"] = query_state; + if (this.version && this.version > 0) + requestParameters["version"] = this.version; + request.safeGet( + requestParameters, + function(data, type) { + var show = null; + var activeClients = 0; + if (type === "json") { + show = {}; + activeClients = Number(data.activeclients[0]); + show.activeclients = activeClients; + show.merged = Number(data.merged[0]); + show.total = Number(data.total[0]); + show.start = Number(data.start[0]); + show.num = Number(data.num[0]); + show.hits = data.hit; + } else if (data.getElementsByTagName("status")[0] + .childNodes[0].nodeValue == "OK") { + // first parse the status data send along with records + // this is strictly bound to the format + activeClients = + Number(data.getElementsByTagName("activeclients")[0] + .childNodes[0].nodeValue); + show = { + "activeclients": activeClients, + "merged": + Number( data.getElementsByTagName("merged")[0] + .childNodes[0].nodeValue ), + "total": + Number( data.getElementsByTagName("total")[0] + .childNodes[0].nodeValue ), + "start": + Number( data.getElementsByTagName("start")[0] + .childNodes[0].nodeValue ), + "num": + Number( data.getElementsByTagName("num")[0] + .childNodes[0].nodeValue ), + "hits": [] + }; + // parse all the first-level nodes for all tags + var hits = data.getElementsByTagName("hit"); + for (i = 0; i < hits.length; i++) + show.hits[i] = Element_parseChildNodes(hits[i]); + } else { + context.throwError('Show failed. Malformed WS resonse.', + 114); + }; + + var approxNode = data.getElementsByTagName("approximation"); + if (approxNode && approxNode[0] && approxNode[0].childNodes[0] && approxNode[0].childNodes[0].nodeValue) + show['approximation'] = + Number( approxNode[0].childNodes[0].nodeValue); + - context.showCallback(show); - } - else - context.throwError('Show failed. Malformed WS resonse.', - 114); - } + data.getElementsByTagName("") + context.activeClients = activeClients; + context.showCounter++; + var delay = context.showTime; + if (context.showCounter > context.showFastCount) + delay += context.showCounter * context.dumpFactor; + if ( activeClients > 0 ) + context.showTimer = setTimeout( + function () { + context.show(); + }, + delay); + context.showCallback(show); + } ); }, - record: function(id, offset, params) + record: function(id, offset, syntax, handler) { // we may call record with no previous search if in proxy mode - if( !this.searchStatusOK && this.useSessions) + if(!this.searchStatusOK && this.useSessions) throw new Error( 'Pz2.js: record command has to be preceded with a search command.' - ); - if ( params == undefined ) - params = {}; - - if ( params.callback != undefined ) { - callback = params.callback; - } else { - callback = this.recordCallback; - } + ); - // what is that? - if ( params['handle'] == undefined ) - handle = {}; - else - handle = params['handle']; - if( id !== undefined ) this.currRecID = id; - var context = this; - var request = new pzHttpRequest(this.pz2String, this.errorHandler); - - var recordParams = { "command": "record", - "session": this.sessionID, - "id": this.currRecID }; + var recordParams = { + "command": "record", + "session": this.sessionID, + "id": this.currRecID, + "windowid" : window.name + }; - if (offset !== undefined) { + this.currRecOffset = null; + if (offset != undefined) { recordParams["offset"] = offset; - } - - if (params.syntax != undefined) { - recordParams['syntax'] = params.syntax; + this.currRecOffset = offset; } - this.currRecOffset = offset; + if (syntax != undefined) + recordParams['syntax'] = syntax; + + //overwrite default callback id needed + var callback = this.recordCallback; + var args = undefined; + if (handler != undefined) { + callback = handler['callback']; + args = handler['args']; + } + + var context = this; + var request = new pzHttpRequest(this.pz2String, this.errorHandler); - request.get( + request.safeGet( recordParams, function(data) { var recordNode; - var record = new Array(); - record['xmlDoc'] = data; - if (context.currRecOffset !== undefined) { + var record; + //raw record + if (context.currRecOffset !== null) { + record = new Array(); + record['xmlDoc'] = data; record['offset'] = context.currRecOffset; - callback(record, handle); + callback(record, args); + //pz2 record } else if ( recordNode = data.getElementsByTagName("record")[0] ) { // if stylesheet was fetched do not parse the response if ( context.xslDoc ) { + record = new Array(); + record['xmlDoc'] = data; + record['xslDoc'] = context.xslDoc; record['recid'] = recordNode.getElementsByTagName("recid")[0] .firstChild.nodeValue; - record['xslDoc'] = - context.xslDoc; + //parse record } else { - for ( i = 0; i < recordNode.childNodes.length; i++) { - if ( recordNode.childNodes[i].nodeType - == Node.ELEMENT_NODE - && recordNode.childNodes[i].nodeName - != 'location' ) { - var nodeName = - recordNode.childNodes[i].nodeName; - var nodeText = - recordNode.childNodes[i] - .firstChild.nodeValue; - record[nodeName] = nodeText; - } - } - // the location might be empty!! - var locationNodes = - recordNode.getElementsByTagName("location"); - record["location"] = new Array(); - for ( i = 0; i < locationNodes.length; i++ ) { - record["location"][i] = { - "id": locationNodes[i].getAttribute("id"), - "name": locationNodes[i].getAttribute("name") - }; - - for (j = 0; - j < locationNodes[i].childNodes.length; - j++) { - if ( locationNodes[i].childNodes[j].nodeType - == Node.ELEMENT_NODE ) { - var nodeName = - locationNodes[i].childNodes[j].nodeName; - var nodeText = ''; - if (locationNodes[i].childNodes[j] - .firstChild) - nodeText = - locationNodes[i].childNodes[j] - .firstChild.nodeValue; - record["location"][i][nodeName] = nodeText; - } - } - } - } - - callback(record, handle); + record = Element_parseChildNodes(recordNode); + } + var activeClients = + Number( data.getElementsByTagName("activeclients")[0] + .childNodes[0].nodeValue ); + context.activeClients = activeClients; + context.recordCounter++; + var delay = context.recordTime + context.recordCounter * context.dumpFactor; + if ( activeClients > 0 ) + context.recordTimer = + setTimeout ( + function() { + context.record(id, offset, syntax, handler); + }, + delay + ); + callback(record, args); } else context.throwError('Record failed. Malformed WS resonse.', @@ -587,11 +574,14 @@ pz2.prototype = var context = this; var request = new pzHttpRequest(this.pz2String, this.errorHandler); - request.get( + request.safeGet( { "command": "termlist", "session": this.sessionID, - "name": this.termKeys + "name": this.termKeys, + "windowid" : window.name, + "version" : this.version + }, function(data) { if ( data.getElementsByTagName("termlist") ) { @@ -621,12 +611,22 @@ pz2.prototype = .childNodes[0].nodeValue || 'ERROR' }; + // Only for xtargets: id, records, filtered var termIdNode = terms[j].getElementsByTagName("id"); if(terms[j].getElementsByTagName("id").length) term["id"] = termIdNode[0].childNodes[0].nodeValue; termList[listName][j] = term; + + var recordsNode = terms[j].getElementsByTagName("records"); + if (recordsNode && recordsNode.length) + term["records"] = recordsNode[0].childNodes[0].nodeValue; + + var filteredNode = terms[j].getElementsByTagName("filtered"); + if (filteredNode && filteredNode.length) + term["filtered"] = filteredNode[0].childNodes[0].nodeValue; + } } @@ -667,8 +667,14 @@ pz2.prototype = var context = this; var request = new pzHttpRequest(this.pz2String, this.errorHandler); - request.get( - { "command": "bytarget", "session": this.sessionID }, + request.safeGet( + { + "command": "bytarget", + "session": this.sessionID, + "block": 1, + "windowid" : window.name, + "version" : this.version + }, function(data) { if ( data.getElementsByTagName("status")[0] .childNodes[0].nodeValue == "OK" ) { @@ -681,12 +687,36 @@ pz2.prototype = == Node.ELEMENT_NODE ) { var nodeName = targetNodes[i].childNodes[j].nodeName; - var nodeText = - targetNodes[i].childNodes[j] - .firstChild.nodeValue; - bytarget[i][nodeName] = nodeText; + if (targetNodes[i].childNodes[j].firstChild != null) + { + var nodeText = targetNodes[i].childNodes[j] + .firstChild.nodeValue; + bytarget[i][nodeName] = nodeText; + } + else { + bytarget[i][nodeName] = ""; + } + + } } + if (bytarget[i]["state"]=="Client_Disconnected") { + bytarget[i]["hits"] = "Error"; + } else if (bytarget[i]["state"]=="Client_Error") { + bytarget[i]["hits"] = "Error"; + } else if (bytarget[i]["state"]=="Client_Working") { + bytarget[i]["hits"] = "..."; + } + if (bytarget[i].diagnostic == "1") { + bytarget[i].diagnostic = "Permanent system error"; + } else if (bytarget[i].diagnostic == "2") { + bytarget[i].diagnostic = "Temporary system error"; + } + var targetsSuggestions = targetNodes[i].getElementsByTagName("suggestions"); + if (targetsSuggestions != undefined && targetsSuggestions.length>0) { + var suggestions = targetsSuggestions[0]; + bytarget[i]["suggestions"] = Element_parseChildNodes(suggestions); + } } context.bytargetCounter++; @@ -738,33 +768,58 @@ pz2.prototype = ** AJAX HELPER CLASS *********************************************************** ******************************************************************************** */ -var pzHttpRequest = function ( url, errorHandler ) { +var pzHttpRequest = function (url, errorHandler, cookieDomain) { + this.maxUrlLength = 2048; this.request = null; this.url = url; this.errorHandler = errorHandler || null; this.async = true; - - if ( window.XMLHttpRequest ) { - this.request = new XMLHttpRequest(); - } else if ( window.ActiveXObject ) { - try { - this.request = new ActiveXObject( 'Msxml2.XMLHTTP' ); - } catch (err) { - this.request = new ActiveXObject( 'Microsoft.XMLHTTP' ); - } + this.requestHeaders = {}; + this.isXDR = false; + this.domainRegex = /https?:\/\/([^:/]+).*/; + this.cookieDomain = cookieDomain || null; + + var xhr = new XMLHttpRequest(); + var domain = this._getDomainFromUrl(url); + if ("withCredentials" in xhr) { + // XHR for Chrome/Firefox/Opera/Safari. + } else if (domain && this._isCrossDomain(domain) && + typeof XDomainRequest != "undefined") { + // use XDR (IE7/8) when no other way + xhr = new XDomainRequest(); + this.isXDR = true; + } else { + // CORS not supported. } + this.request = xhr; }; + pzHttpRequest.prototype = { + safeGet: function ( params, callback ) + { + var encodedParams = this.encodeParams(params); + var url = this._urlAppendParams(encodedParams); + if (url.length >= this.maxUrlLength) { + this.requestHeaders["Content-Type"] + = "application/x-www-form-urlencoded"; + this._send( 'POST', this.url, encodedParams, callback ); + } else { + this._send( 'GET', url, '', callback ); + } + }, + get: function ( params, callback ) { - this._send( 'GET', params, '', callback ); + this._send( 'GET', this._urlAppendParams(this.encodeParams(params)), + '', callback ); }, post: function ( params, data, callback ) { - this._send( 'POST', params, data, callback ); + this._send( 'POST', this._urlAppendParams(this.encodeParams(params)), + data, callback ); }, load: function () @@ -776,55 +831,152 @@ pzHttpRequest.prototype = return this.request.responseXML; }, - _send: function ( type, params, data, callback ) + encodeParams: function (params) + { + var sep = ""; + var encoded = ""; + for (var key in params) { + if (params[key] != null) { + encoded += sep + key + '=' + encodeURIComponent(params[key]); + sep = '&'; + } + } + return encoded; + }, + + _getDomainFromUrl: function (url) + { + if (this.cookieDomain) return this.cookieDomain; //explicit cookie domain + var m = this.domainRegex.exec(url); + return (m && m.length > 1) ? m[1] : null; + }, + + _strEndsWith: function (str, suffix) + { + return str.indexOf(suffix, str.length - suffix.length) !== -1; + }, + + _isCrossDomain: function (domain) + { + if (this.cookieDomain) return true; //assume xdomain is cookie domain set + return !this._strEndsWith(domain, document.domain); + }, + + getCookie: function (sKey) { + return decodeURI(document.cookie.replace(new RegExp("(?:(?:^|.*;)\\s*" + + encodeURI(sKey).replace(/[\-\.\+\*]/g, "\\$&") + + "\\s*\\=\\s*([^;]*).*$)|^.*$"), "$1")) || null; + }, + + setCookie: function (sKey, sValue, vEnd, sPath, sDomain, bSecure) { + if (!sKey || /^(?:expires|max\-age|path|domain|secure)$/i.test(sKey)) { + return false; + } + var sExpires = ""; + if (vEnd) { + switch (vEnd.constructor) { + case Number: + sExpires = vEnd === Infinity + ? "; expires=Fri, 31 Dec 9999 23:59:59 GMT" + : "; max-age=" + vEnd; + break; + case String: + sExpires = "; expires=" + vEnd; + break; + case Date: + sExpires = "; expires=" + vEnd.toGMTString(); + break; + } + } + document.cookie = encodeURI(sKey) + "=" + encodeURI(sValue) + + sExpires + + (sDomain ? "; domain=" + sDomain : "") + + (sPath ? "; path=" + sPath : "") + + (bSecure ? "; secure" : ""); + return true; + }, + + _send: function ( type, url, data, callback) { - this.callback = callback; var context = this; + this.callback = callback; this.async = true; - this.request.open( type, this._urlAppendParams(params), this.async ); - this.request.onreadystatechange = function () { - context._handleResponse(); + //we never do withCredentials, so if it's CORS and we have + //session cookie, resend it + var domain = this._getDomainFromUrl(url); + if (domain && this._isCrossDomain(domain) && + this.getCookie(domain+":SESSID")) { + //rewrite the URL + var sessparam = ';jsessionid=' + this.getCookie(domain+":SESSID"); + var q = url.indexOf('?'); + if (q == -1) { + url += sessparam; + } else { + url = url.substring(0, q) + sessparam + url.substring(q); + } + } + this.request.open( type, url, this.async ); + if (!this.isXDR) { + //setting headers is only allowed with XHR + for (var key in this.requestHeaders) + this.request.setRequestHeader(key, this.requestHeaders[key]); + } + if (this.isXDR) { + this.request.onload = function () { + //fake XHR props + context.request.status = 200; + context.request.readyState = 4; + //handle + context._handleResponse(url); + } + this.request.onerror = function () { + //fake XHR props + context.request.status = 417; //not really, but what can we do + context.request.readyState = 4; + //handle + context._handleResponse(url); + } + } else { + this.request.onreadystatechange = function () { + context._handleResponse(url); /// url used ONLY for error reporting + } } this.request.send(data); }, - _urlAppendParams: function (params) + _urlAppendParams: function (encodedParams) { - var getUrl = this.url; - - var sep = '?'; - var el = params; - for (var key in el) { - if (el[key] != null) { - getUrl += sep + key + '=' + encodeURIComponent(el[key]); - sep = '&'; - } - } - return getUrl; + if (encodedParams) + return this.url + "?" + encodedParams; + else + return this.url; }, - _handleResponse: function () + _handleResponse: function (requestUrl) { if ( this.request.readyState == 4 ) { - // pick up pazpr2 errors first - if ( this.request.responseXML - && this.request.responseXML.documentElement.nodeName == 'error' - && this.request.responseXML.getElementsByTagName("error") - .length ) { + // pick up appplication errors first + var errNode = null; + // xdomainreq does not have responseXML + if (this.isXDR) { + if (this.request.contentType.match(/\/xml/)){ + var dom = new ActiveXObject('Microsoft.XMLDOM'); + dom.async = false; + dom.loadXML(this.request.responseText); + this.request.responseXML = dom; + } else { + this.request.responseXML = null; + } + } + if (this.request.responseXML && + (errNode = this.request.responseXML.documentElement) + && errNode.nodeName == 'error') { + var errMsg = errNode.getAttribute("msg"); + var errCode = errNode.getAttribute("code"); var errAddInfo = ''; - if ( this.request.responseXML.getElementsByTagName("error")[0] - .childNodes.length ) - errAddInfo = ': ' + - this.request.responseXML - .getElementsByTagName("error")[0] - .childNodes[0].nodeValue; - var errMsg = - this.request.responseXML.getElementsByTagName("error")[0] - .getAttribute("msg"); - var errCode = - this.request.responseXML.getElementsByTagName("error")[0] - .getAttribute("code"); - + if (errNode.childNodes.length) + errAddInfo = ': ' + errNode.childNodes[0].nodeValue; + var err = new Error(errMsg + errAddInfo); err.code = errCode; @@ -834,14 +986,47 @@ pzHttpRequest.prototype = else { throw err; } - } else if ( this.request.status == 200 ) { - this.callback( this.request.responseXML ); + } + else if (this.request.status == 200 && + this.request.responseXML === null) { + if (this.request.responseText !== null) { + //assume JSON + var json = null; + var text = this.request.responseText; + if (typeof window.JSON == "undefined") { + json = eval("(" + text + ")"); + } else { + try { + json = JSON.parse(text); + } catch (e) { + } + } + this.callback(json, "json"); + } else { + var err = new Error("XML/Text response is empty but no error " + + "for " + requestUrl); + err.code = -1; + if (this.errorHandler) { + this.errorHandler(err); + } else { + throw err; + } + } + } else if (this.request.status == 200) { + //set cookie manually only if cross-domain + var domain = this._getDomainFromUrl(requestUrl); + if (domain && this._isCrossDomain(domain)) { + var jsessionId = this.request.responseXML + .documentElement.getAttribute('jsessionId'); + if (jsessionId) + this.setCookie(domain+":SESSID", jsessionId); + } + this.callback(this.request.responseXML); } else { - var err = new Error("Pz2.js: HTTP request error (AJAX). Code: " - + this.request.status + " Info: " + var err = new Error("HTTP response not OK: " + + this.request.status + " - " + this.request.statusText ); - err.code = 'HTTP'; - + err.code = '00' + this.request.status; if (this.errorHandler) { this.errorHandler(err); } @@ -976,5 +1161,50 @@ Element_getTextContent = function (DOM_Element) } } +Element_parseChildNodes = function (node) +{ + var parsed = {}; + var hasChildElems = false; + var textContent = ''; + + if (node.hasChildNodes()) { + var children = node.childNodes; + for (var i = 0; i < children.length; i++) { + var child = children[i]; + switch (child.nodeType) { + case Node.ELEMENT_NODE: + hasChildElems = true; + var nodeName = child.nodeName; + if (!(nodeName in parsed)) + parsed[nodeName] = []; + parsed[nodeName].push(Element_parseChildNodes(child)); + break; + case Node.TEXT_NODE: + textContent += child.nodeValue; + break; + case Node.CDATA_SECTION_NODE: + textContent += child.nodeValue; + break; + } + } + } + + var attrs = node.attributes; + for (var i = 0; i < attrs.length; i++) { + hasChildElems = true; + var attrName = '@' + attrs[i].nodeName; + var attrValue = attrs[i].nodeValue; + parsed[attrName] = attrValue; + } + + // if no nested elements/attrs set value to text + if (hasChildElems) + parsed['#text'] = textContent; + else + parsed = textContent; + + return parsed; +} + /* do not remove trailing bracket */ }