/*
- * Mine
+ * $Id$
** pz2.js - pazpar2's javascript client library.
*/
// 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';
this.initStatusOK = false;
this.pingStatusOK = false;
this.searchStatusOK = false;
+ this.mergekey = paramArray.mergekey || null;
+ this.rank = paramArray.rank || null;
// for sorting
this.currentSort = "relevance";
else
var start = 0;
- var searchParams = {
+ var searchParams = {
"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) {
"sort": this.currentSort,
"block": 1,
"type": this.showResponseType,
- "windowid" : window.name,
+ "windowid" : window.name
};
if (query_state)
requestParameters["query-state"] = query_state;
** 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;
this.requestHeaders = {};
-
- 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.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;
};
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)
{
var context = this;
this.callback = callback;
this.async = true;
+ //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 );
- for (var key in this.requestHeaders)
+ if (!this.isXDR) {
+ //setting headers is only allowed with XHR
+ for (var key in this.requestHeaders)
this.request.setRequestHeader(key, this.requestHeaders[key]);
- this.request.onreadystatechange = function () {
+ }
+ 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);
},
return this.url;
},
- _handleResponse: function (savedUrlForErrorReporting)
+ _handleResponse: function (requestUrl)
{
if ( this.request.readyState == 4 ) {
// 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') {
else {
throw err;
}
- } else if (this.request.status == 200 &&
- this.request.responseXML == null) {
- if (this.request.responseText != null) {
+ }
+ 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");
+ 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 response is empty but no error " +
- "for " + savedUrlForErrorReporting);
+ var err = new Error("XML/Text response is empty but no error " +
+ "for " + requestUrl);
err.code = -1;
if (this.errorHandler) {
this.errorHandler(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("HTTP response not OK: "
{
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];
- if (child.nodeType == Node.ELEMENT_NODE) {
+ 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, get text content
- if (node.hasChildNodes() && !hasChildElems) {
- if (node.attributes.length)
- parsed['#text'] = node.firstChild.nodeValue;
- else
- parsed = node.firstChild.nodeValue;
- }
+ // if no nested elements/attrs set value to text
+ if (hasChildElems)
+ parsed['#text'] = textContent;
+ else
+ parsed = textContent;
return parsed;
}