X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=js%2Fpz2.js;h=096a89d184436d80fc4b1b8ca559839317aa05a6;hb=960523c37aa6741c6e81a1e648f943d6c68112b5;hp=bad26ac347493d6810d22c69a968b7718a7c28e0;hpb=9cbe97e92bf5bafe179385692888e09426299f2d;p=pazpar2-moved-to-github.git diff --git a/js/pz2.js b/js/pz2.js index bad26ac..096a89d 100644 --- a/js/pz2.js +++ b/js/pz2.js @@ -1,4 +1,5 @@ /* + * Mine ** pz2.js - pazpar2's javascript client library. */ @@ -47,6 +48,7 @@ var pz2 = function ( paramArray ) } this.errorHandler = paramArray.errorhandler || null; + this.showResponseType = paramArray.showResponseType || "xml"; // function callbacks this.initCallback = paramArray.oninit || null; @@ -67,6 +69,7 @@ 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; @@ -76,6 +79,7 @@ var pz2 = function ( paramArray ) // where are we? this.currentStart = 0; + // currentNum can be overwritten in show this.currentNum = 20; // last full record retrieved @@ -88,6 +92,7 @@ var pz2 = function ( paramArray ) this.currRecOffset = null; //timers + this.pingTimer = null; this.statTime = paramArray.stattime || 1000; this.statTimer = null; this.termTime = paramArray.termtime || 1000; @@ -119,7 +124,7 @@ 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); } }; @@ -155,6 +160,7 @@ pz2.prototype = this.sessionID = null; this.initStatusOK = false; this.pingStatusOK = false; + clearTimeout(this.pingTimer); } this.searchStatusOK = false; this.stop(); @@ -163,12 +169,12 @@ 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(); @@ -176,8 +182,10 @@ pz2.prototype = } else if (this.useSessions) { var context = this; var request = new pzHttpRequest(this.pz2String, this.errorHandler); + var opts = {'command' : 'init'}; + if (serviceId) opts.service = serviceId; request.safeGet( - { "command": "init" }, + opts, function(data) { if ( data.getElementsByTagName("status")[0] .childNodes[0].nodeValue == "OK" ) { @@ -191,12 +199,13 @@ pz2.prototype = context.sessionID = data.getElementsByTagName("session")[0] .childNodes[0].nodeValue; - setTimeout( - function () { - context.ping(); - }, - context.keepAlive - ); + context.pingTimer = + setTimeout( + function () { + context.ping(); + }, + context.keepAlive + ); if ( context.initCallback ) context.initCallback(); } @@ -219,19 +228,23 @@ 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.safeGet( - { "command": "ping", "session": this.sessionID }, + { "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.', @@ -266,14 +279,15 @@ pz2.prototype = else var start = 0; - var searchParams = { - "command": "search", - "query": this.currQuery, - "session": this.sessionID + var searchParams = { + "command": "search", + "query": this.currQuery, + "session": this.sessionID, + "windowid" : window.name }; if (filter !== undefined) - searchParams["filter"] = filter; + searchParams["filter"] = filter; // copy additional parmeters, do not overwrite if (addParamsArr != undefined) { @@ -293,11 +307,11 @@ 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 @@ -317,7 +331,7 @@ pz2.prototype = var context = this; var request = new pzHttpRequest(this.pz2String, this.errorHandler); request.safeGet( - { "command": "stat", "session": this.sessionID }, + { "command": "stat", "session": this.sessionID, "windowid" : window.name }, function(data) { if ( data.getElementsByTagName("stat") ) { var activeClients = @@ -347,7 +361,7 @@ pz2.prototype = } ); }, - show: function(start, num, sort) + show: function(start, num, sort, query_state) { if( !this.searchStatusOK && this.useSessions ) throw new Error( @@ -366,62 +380,77 @@ pz2.prototype = var context = this; var request = new pzHttpRequest(this.pz2String, this.errorHandler); + 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; request.safeGet( - { - "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"); - for (i = 0; i < hits.length; i++) - show.hits[i] = Element_parseChildNodes(hits[i]); - - 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); - global_show = show; - context.showCallback(show); - } - else - context.throwError('Show failed. Malformed WS resonse.', - 114); + 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); } + 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, syntax, handler) @@ -438,7 +467,8 @@ pz2.prototype = var recordParams = { "command": "record", "session": this.sessionID, - "id": this.currRecID + "id": this.currRecID, + "windowid" : window.name }; this.currRecOffset = null; @@ -526,7 +556,8 @@ pz2.prototype = { "command": "termlist", "session": this.sessionID, - "name": this.termKeys + "name": this.termKeys, + "windowid" : window.name }, function(data) { if ( data.getElementsByTagName("termlist") ) { @@ -603,7 +634,12 @@ pz2.prototype = var context = this; var request = new pzHttpRequest(this.pz2String, this.errorHandler); request.safeGet( - { "command": "bytarget", "session": this.sessionID }, + { + "command": "bytarget", + "session": this.sessionID, + "block": 1, + "windowid" : window.name + }, function(data) { if ( data.getElementsByTagName("status")[0] .childNodes[0].nodeValue == "OK" ) { @@ -616,12 +652,36 @@ 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 (tagetNodes[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++; @@ -692,6 +752,7 @@ var pzHttpRequest = function ( url, errorHandler ) { } }; + pzHttpRequest.prototype = { safeGet: function ( params, callback ) @@ -788,6 +849,36 @@ pzHttpRequest.prototype = } } 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) { + // Safari: eval will fail as well. Considering trying JSON2 (non-native implementation) instead + /* DEBUG only works in mk2-mobile + if (document.getElementById("log")) + document.getElementById("log").innerHTML = "" + e + " " + length + ": " + text; + */ + try { + json = eval("(" + text + ")"); + } + catch (e) { + /* DEBUG only works in mk2-mobile + if (document.getElementById("log")) + document.getElementById("log").innerHTML = "" + e + " " + length + ": " + text; + */ + } + } + } + this.callback(json, "json"); + } else { var err = new Error("XML response is empty but no error " + "for " + savedUrlForErrorReporting); err.code = -1; @@ -796,14 +887,14 @@ pzHttpRequest.prototype = } else { throw err; } + } } else if (this.request.status == 200) { this.callback(this.request.responseXML); } else { var err = new Error("HTTP response not OK: " + this.request.status + " - " + this.request.statusText ); - err.code = '00' + this.request.status; - + err.code = '00' + this.request.status; if (this.errorHandler) { this.errorHandler(err); }