+++ /dev/null
-var XML_HTTP_GATEWAY = "osrf-gateway-v1";
-var XML_HTTP_SERVER = "";
-
-
-/* This object is thrown when network failures occur */
-function NetworkFailure(stat, url) {
- this._status = stat;
- this._url = url;
-}
-
-NetworkFailure.prototype.status = function() { return this._status; }
-NetworkFailure.prototype.url = function() { return this._url; }
-NetworkFailure.prototype.toString = function() {
- return "Network Failure: status = " + this.status() +'\n'+this.url();
-}
-
-
-
-function isXUL() { try { if(IAMXUL) return true;}catch(e){return false;}; }
-var _allrequests = {};
-
-// If the legacy JSON gateway is needed by the staff client, uncomment this
-/*
-if(isXUL()) {
- XML_HTTP_GATEWAY = 'gateway';
-}
-*/
-
-function cleanRemoteRequests() {
- for( var i in _allrequests )
- destroyRequest(_allrequests[i]);
-}
-
-function abortAllRequests() {
- for( var i in _allrequests ) {
- var r = _allrequests[i];
- if(r) {
- r.abort();
- destroyRequest(r);
- }
- }
-}
-
-function destroyRequest(r) {
- if(r == null) return;
-
- if( r.xmlhttp ) {
- r.xmlhttp.onreadystatechange = function(){};
- r.xmlhttp = null;
- }
-
- r.callback = null;
- r.userdata = null;
- _allrequests[r.id] = null;
-}
-
-/* ----------------------------------------------------------------------- */
-/* Request object */
-var rrId = 0;
-function RemoteRequest( service, method ) {
-
- /* dojo is currently only available in the OPAC */
- try {
- /* We want OpenSRF.locale for xx-YY format */
- this.locale = OpenSRF.locale;
- }
- catch (e) {
- this.locale = null;
- }
- this.service = service;
- this.method = method;
- this.xmlhttp = false;
- this.name = null;
- this.alertEvent = true; /* only used when isXUL is false */
-
- this.type = "POST"; /* default */
- this.id = rrId++;
- this.cancelled = false;
-
- this.setSecure(false);
- if(isXUL()) this.setSecure(true);
-
- _allrequests[this.id] = this;
-
- var i = 2;
- this.params = "";
-
- while(i < arguments.length) {
- var object = js2JSON(arguments[i++]);
- this.params += "¶m=" + encodeURIComponent(object);
- }
-
- if(!this.params) { this.params = ""; }
-
- this.param_string = "service=" + service + "&method=" + method + this.params;
- if (this.locale != null) {
- this.param_string = this.param_string + "&locale=" + this.locale;
- }
- if( this.buildXMLRequest() == null ) alert("Browser is not supported!");
-
-}
-
-
-RemoteRequest.prototype.timeout = function(t) {
- t *= 1000
- var req = this;
- req.timeoutFunc = setTimeout(
- function() {
- if( req && req.xmlhttp ) {
- req.cancelled = true;
- req.abort();
- if( req.abtCallback ) {
- req.abtCallback(req);
- }
- }
- },
- t
- );
-}
-
-RemoteRequest.prototype.abortCallback = function(func) {
- this.abtCallback = func;
-}
-
-RemoteRequest.prototype.event = function(evt) {
- if( arguments.length > 0 )
- this.evt = evt;
- return this.evt;
-}
-
-RemoteRequest.prototype.abort = function() {
- if( this.xmlhttp ) {
- /* this has to come before abort() or IE will puke on you */
- this.xmlhttp.onreadystatechange = function(){};
- this.xmlhttp.abort();
- }
-}
-
-/* constructs our XMLHTTPRequest object */
-RemoteRequest.prototype.buildXMLRequest = function() {
- this.xmlhttp = buildXMLRequest();
- return true;
-}
-
-
-function buildXMLRequest() {
- try {
- return new XMLHttpRequest();
- } catch(e) {
- try {
- return new ActiveXObject("Msxml2.XMLHTTP");
- } catch (e2) {
- try {
- return new ActiveXObject("Microsoft.XMLHTTP");
- } catch (e3) {
- alert("NEEDS NEWER JAVASCRIPT for XMLHTTPRequest()");
- return null;
- }
- }
- }
-}
-
-
-function _remoteRequestCallback(id) {
-
- var object = _allrequests[id];
- if(object.cancelled) return;
-
- if( object.xmlhttp.readyState == 4 ) {
-
- try {
- object.duration = new Date().getTime() - object.sendTime;
- dump('request ' + object.id + ': duration = ' + object.duration + ' ms\n');
- } catch(ee){}
-
- try {
- object.callback(object);
- } catch(E) {
- throw E
- } finally {
- destroyRequest(object);
- object = null;
- }
- }
-}
-
-
-/* define the callback we use when this request has received
- all of its data */
-RemoteRequest.prototype.setCompleteCallback = function(callback) {
- if(this.cancelled) return;
- this.callback = callback;
- var id = this.id;
- this.xmlhttp.onreadystatechange = function() { _remoteRequestCallback(id); }
-}
-
-
-/* http by default. This makes it https. *ONLY works when
- embedded in a XUL app. */
-RemoteRequest.prototype.setSecure = function(bool) {
- this.secure = bool;
-}
-
-RemoteRequest.prototype.send = function(blocking) {
-
- if(this.cancelled) return;
-
- /* determine the xmlhttp server dynamically */
- var url = location.protocol + "//" + location.host + "/" + XML_HTTP_GATEWAY;
-
- if(isXUL()) {
- if( XML_HTTP_SERVER )
- url = 'http://'+XML_HTTP_SERVER+'/'+XML_HTTP_GATEWAY;
-
- if( url.match(/^http:/) &&
- (this.secure || location.href.match(/^https:/)) ) {
- netscape.security.PrivilegeManager.enablePrivilege("UniversalBrowserRead");
- url = url.replace(/^http:/, 'https:');
- }
- }
-
- var data = null;
- if( this.type == 'GET' ) url += "?" + this.param_string;
-
- this.url = url;
-
- //if( isXUL() ) dump('request URL = ' + url + '?' + this.param_string + '\n');
-
- try {
-
- if(blocking) this.xmlhttp.open(this.type, url, false);
- else this.xmlhttp.open(this.type, url, true);
-
- } catch(E) {
- alert("Fatal error opening XMLHTTPRequest for URL:\n" + url + '\n' + E);
- return;
- }
-
- if( this.type == 'POST' ) {
- data = this.param_string;
- this.xmlhttp.setRequestHeader('Content-Type',
- 'application/x-www-form-urlencoded');
- }
-
- try {
- var auth;
- try { dojo.require('dojo.cookie'); auth = dojo.cookie(COOKIE_SES) } catch(ee) {}
- if( isXUL() ) auth = fetchXULStash().session.key;
- if( auth )
- this.xmlhttp.setRequestHeader('X-OILS-Authtoken', auth);
-
- } catch(e) {}
-
- if(data && data.match(/param=undefined/)) {
- /* we get a bogus param .. replace with NULL */
- try{dump('!+! UNDEFINED PARAM IN QUERY: ' + this.service + ' : ' + this.method+'\n');}catch(r){}
- data = data.replace(/param=undefined/g,'param=null');
- }
-
-
- this.sendTime = new Date().getTime();
- try{ this.xmlhttp.send( data ); } catch(e){}
-
- return this;
-}
-
-/* returns the actual response text from the request */
-RemoteRequest.prototype.getText = function() {
- return this.xmlhttp.responseText;
-}
-
-RemoteRequest.prototype.isReady = function() {
- return this.xmlhttp.readyState == 4;
-}
-
-
-/* returns the JSON->js result object */
-RemoteRequest.prototype.getResultObject = function() {
-
- if(this.cancelled) return null;
- if(!this.xmlhttp) return null;
-
- var failed = false;
- var status = null;
- this.event(null);
-
- /*
- try {
- dump(this.url + '?' + this.param_string + '\n' +
- 'Returned with \n\tstatus = ' + this.xmlhttp.status +
- '\n\tpayload= ' + this.xmlhttp.responseText + '\n');
- } catch(e) {}
- */
-
- try {
- status = this.xmlhttp.status;
- if( status != 200 ) failed = true;
- } catch(e) { failed = true; }
-
- if( failed ) {
- if(!status) status = '<unknown>';
- try{dump('! NETWORK FAILURE. HTTP STATUS = ' +status+'\n'+this.param_string+'\n');}catch(e){}
- if(isXUL())
- throw new NetworkFailure(status, this.param_string);
- else return null;
- }
-
- var text = this.xmlhttp.responseText;
-
- //try{if(getDebug()) _debug('response: ' + text + '\n')}catch(e){}
-
- if(text == "" || text == " " || text == null) {
- try { dump('dbg: Request returned no text!\n'); } catch(E) {}
- if(isXUL())
- throw new NetworkFailure(status, this.param_string);
- return null;
- }
-
- var obj = JSON2js(text);
- if(!obj) return null;
-
- if( obj.status != 200 ) {
-
- var str = 'A server error occurred. Debug information follows: ' +
- '\ncode = ' + obj.status +
- '\ndebug: ' + obj.debug +
- '\npayload: ' + js2JSON(obj.payload);
-
- if(isXUL()) {
- dump(str);
- throw obj;
-
- } else {
- _debug(str);
- throw str;
- }
- }
-
- var payload = obj.payload;
- if(!payload || payload.length == 0) return null;
- payload = (payload.length == 1) ? payload[0] : payload;
-
- if(!isXUL()) {
- if( checkILSEvent(payload) ) {
- this.event(payload);
- if( this.alertEvent ) {
- alertILSEvent(payload);
- return null;
- }
- }
- }
-
- return payload;
-}
-
-/* adds a new parameter to the request */
-RemoteRequest.prototype.addParam = function(param) {
- var string = encodeURIComponent(js2JSON(param));
- this.param_string += "¶m=" + string;
-}
-
-function fetchXULStash() {
- if( isXUL() ) {
- try {
- netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
- var __OILS = new Components.Constructor("@mozilla.org/openils_data_cache;1", "nsIOpenILS");
- var data_cache = new __OILS( );
- return data_cache.wrappedJSObject.OpenILS.prototype.data;
-
- } catch(E) {
- _debug('Error in OpenILS.data._debug_stash(): ' + js2JSON(E) );
- }
- }
- return {};
-}
-
-
projects / kcls-web.git / blobdiff