Addressing final review comments.

examples/wps.html

@@ -50,7 +50,9 @@
         <p>This example shows WPS in action by using the WPSCapabilities,
         WPSDescribeProcess and WPSExecute formats. See
         <a target="_blank" href="wps.js">wps.js</a> for the
-        source code.</p>
+        source code. <b>Note: For applications using WPS, the high level
+        approach shown in the <a href="wps-client.html">wps-client</a> example
+        is recommended instead.</b></p>
         <ol>
             <li>Select a process from the list below the map. The list is
             populated with the result of a WPS GetCapabilities request, parsed

lib/OpenLayers/WPSClient.js

@@ -198,7 +198,7 @@ OpenLayers.WPSClient = OpenLayers.Class({
                 this.events.register('describeprocess', this, function describe(evt) {
                     if (evt.identifier === processID) {
                         this.events.unregister('describeprocess', this, describe);
-                        callback.call(scope, evt);
+                        callback.call(scope, evt.raw);
                     }
                 });
             }
@@ -209,6 +209,15 @@ OpenLayers.WPSClient = OpenLayers.Class({
         }
     },
     
+    /**
+     * Method: destroy
+     */
+    destroy: function() {
+        this.events.destroy();
+        this.events = null;
+        this.servers = null;
+    },
+    
     CLASS_NAME: 'OpenLayers.WPSClient'
     
 });

lib/OpenLayers/WPSProcess.js

@@ -104,7 +104,7 @@ OpenLayers.WPSProcess = OpenLayers.Class({
     
     /**
      * Method: describe
-     * Makes the client ssues a DescribeProcess request asynchronously.
+     * Makes the client issue a DescribeProcess request asynchronously.
      *
      * Parameters:
      * options - {Object} Configuration for the method call
@@ -144,6 +144,9 @@ OpenLayers.WPSProcess = OpenLayers.Class({
      * Parameters:
      * options - {Object}
      *
+     * Returns:
+     * {<OpenLayers.WPSProcess>} this process.
+     *
      * Available options:
      * inputs - {Object} The inputs for the process, keyed by input identifier.
      *     For spatial data inputs, the value of an input is usually an
@@ -184,8 +187,8 @@ OpenLayers.WPSProcess = OpenLayers.Class({
      *     For spatial data inputs, the value of an input is usually an
      *     <OpenLayers.Geometry>, an <OpenLayers.Feature.Vector> or an array of
      *     geometries or features.
-     * output - {String} The identifier of an output to parse. Optional. If not
+     * output - {String} The identifier of the output to request and parse.
-     *     provided, the first output will be parsed.
+     *     Optional. If not provided, the first output will be requested.
      * success - {Function} Callback to call when the process is complete.
      *     This function is called with an outputs object as argument, which
      *     will have a property with the identifier of the requested output
@@ -254,7 +257,7 @@ OpenLayers.WPSProcess = OpenLayers.Class({
      * buffer = client.getProcess('opengeo', 'JTS:buffer');
      * buffer.execute({
      *     inputs: {
-     *         geom: intersect.output(), // <-- here we're chaining
+     *         geom: intersect.output('result'), // <-- here we're chaining
      *         distance: 1
      *     },
      *     // ...

tests/WPSClient.html

@@ -87,6 +87,19 @@
       client.execute({inputs: 'a', success: 'b', scope: 'c'});
       t.eq(log[0], {inputs: 'a', success: 'b', scope: 'c'}, "process executed with correct options");   
   }
+  
+  function test_destroy(t) {
+      t.plan(2);
+      client = new OpenLayers.WPSClient({
+          servers: {
+              local: "/geoserver/wps"
+          },
+          lazy: true
+      });
+      client.destroy();
+      t.eq(client.events, null, "Events nullified");
+      t.eq(client.servers, null, "Servers nullified");
+  }
 
   </script>
 </head>