adding a format to parsing OGC service exceptions (WMS 1.1 WMS 1.3 WFS 1.0 and OWSCommon 1.0 and 1.1) and hooking it up into the GetCapabilities parsers, r=tschaub (closes #2234)

git-svn-id: http://svn.openlayers.org/trunk/openlayers@12074 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Format/OWSCommon/v1.js

@@ -4,13 +4,9 @@
  * full text of the license. */
 
 /**
- * @requires OpenLayers/Format/XML.js
+ * @requires OpenLayers/Format/OWSCommon.js
  */
 
-if (!OpenLayers.Format.OWSCommon) {
-    OpenLayers.Format.OWSCommon = {};
-}
-
 /**
  * Class: OpenLayers.Format.OWSCommon.v1
  * Common readers and writers for OWSCommon v1.X formats
@@ -28,6 +24,23 @@ OpenLayers.Format.OWSCommon.v1 = OpenLayers.Class(OpenLayers.Format.XML, {
         trimComma: (/\s*,\s*/g)
     },
 
+    /**
+     * Method: read
+     *
+     * Parameters:
+     * data - {DOMElement} An OWSCommon document element.
+     * options - {Object} Options for the reader.
+     *
+     * Returns:
+     * {Object} An object representing the OWSCommon document.
+     */
+    read: function(data, options) {
+        options = OpenLayers.Util.applyDefaults(options, this.options);
+        var ows = {};
+        this.readChildNodes(data, ows);
+        return ows;
+    },
+
     /**
      * Property: readers
      * Contains public functions, grouped by namespace prefix, that will
@@ -38,6 +51,19 @@ OpenLayers.Format.OWSCommon.v1 = OpenLayers.Class(OpenLayers.Format.XML, {
      */
     readers: {
         "ows": {
+            "Exception": function(node, exceptionReport) {
+                var exception = {
+                    code: node.getAttribute('exceptionCode'),
+                    locator: node.getAttribute('locator'),
+                    texts: []
+                };
+                exceptionReport.exceptions.push(exception);
+                this.readChildNodes(node, exception);
+            },
+            "ExceptionText": function(node, exception) {
+                var text = this.getChildValue(node);
+                exception.texts.push(text);
+            },
             "ServiceIdentification": function(node, obj) {
                 obj.serviceIdentification = {};
                 this.readChildNodes(node, obj.serviceIdentification);