Post request possible with pzHttpRequest class.

[pazpar2-moved-to-github.git] / js / pz2.js

diff --git a/js/pz2.js b/js/pz2.js
index 334082a..b4de590 100644 (file)
--- a/js/pz2.js
+++ b/js/pz2.js
@@ -1,5 +1,5 @@
 /*
-** $Id: pz2.js,v 1.29 2007-06-04 10:56:28 jakub Exp $
+** $Id: pz2.js,v 1.34 2007-06-13 16:07:43 jakub Exp $
 ** pz2.js - pazpar2's javascript client library.
 */
 
@@ -314,7 +314,9 @@ pz2.prototype = {
                                }
                                else {
                                    var nodeName = hits[i].childNodes[j].nodeName;
-                                    var nodeText = hits[i].childNodes[j].firstChild.nodeValue;
+                                    var nodeText = 'ERROR'
+                                    if ( hits[i].childNodes[j].firstChild )
+                                        nodeText = hits[i].childNodes[j].firstChild.nodeValue;
                                    show.hits[i][nodeName] = nodeText;
                                }
                             }
@@ -417,8 +419,10 @@ pz2.prototype = {
                         //for each term in the list
                         for (j = 0; j < terms.length; j++) { 
                             var term = {
-                                "name": terms[j].getElementsByTagName("name")[0].childNodes[0].nodeValue,
-                                "freq": terms[j].getElementsByTagName("frequency")[0].childNodes[0].nodeValue
+                                "name": (terms[j].getElementsByTagName("name")[0].childNodes.length 
+                                                ? terms[j].getElementsByTagName("name")[0].childNodes[0].nodeValue
+                                                : 'ERROR'),
+                                "freq": terms[j].getElementsByTagName("frequency")[0].childNodes[0].nodeValue || 'ERROR'
                             };
 
                             var termIdNode = terms[j].getElementsByTagName("id");
@@ -512,6 +516,7 @@ var pzHttpRequest = function ( url, errorHandler ) {
         this.request = null;
         this.url = url;
         this.errorHandler = errorHandler || null;
+        this.async = true;
         
         if ( window.XMLHttpRequest ) {
             this.request = new XMLHttpRequest();
@@ -528,8 +533,28 @@ pzHttpRequest.prototype =
 {
     get: function ( params, callback ) 
     {
+        this._send( 'GET', params, null, callback );
+    },
+
+    post: function ( params, data, callback )
+    {
+        this._send( 'POST', params, data, callback );
+    },
+
+    _send: function ( type, params, data, callback )
+    {
         this.callback = callback;
-        
+        var context = this;
+        this.request.open( type, this._urlAppendParams(params), this.async );
+        //this.request.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
+        this.request.onreadystatechange = function () {
+            context._handleResponse();
+        }
+        this.request.send(data);
+    },
+
+    _urlAppendParams: function (params)
+    {
         var getUrl = this.url;
         var paramArr = new Array();
 
@@ -540,14 +565,7 @@ pzHttpRequest.prototype =
         if ( paramArr.length )
             getUrl += '?' + paramArr.join('&');
 
-        var context = this;
-        this.request.open( 'GET', getUrl, true );
-        this.request.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded; charset=UTF-8');
-        //this.request.setRequestHeader('Accept-Charset', 'UTF-8');
-        this.request.onreadystatechange = function () {
-            context._handleResponse();
-        }
-        this.request.send(null);
+        return getUrl;
     },
 
     _handleResponse: function ()