HTTP protocol: enable POST for update/delete

lib/OpenLayers/Protocol/HTTP.js

@@ -62,12 +62,27 @@ OpenLayers.Protocol.HTTP = OpenLayers.Class(OpenLayers.Protocol, {
     scope: null,
 
     /**
-     * Property: readWithPOST
+     * APIProperty: readWithPOST
      * {Boolean} true if read operations are done with POST requests
      *     instead of GET, defaults to false.
      */
     readWithPOST: false,
 
+    /**
+     * APIProperty: updateWithPOST
+     * {Boolean} true if update operations are done with POST requests
+     *     defaults to false.
+     */
+    updateWithPOST: false,
+    
+    /**
+     * APIProperty: deleteWithPOST
+     * {Boolean} true if delete operations are done with POST requests
+     *     defaults to false.
+     *     if true, POST data is set to output of format.write().
+     */
+    deleteWithPOST: false,
+
     /**
      * Property: wildcarded.
      * {Boolean} If true percent signs are added around values
@@ -293,7 +308,8 @@ OpenLayers.Protocol.HTTP = OpenLayers.Class(OpenLayers.Protocol, {
             requestType: "update"
         });
 
-        resp.priv = OpenLayers.Request.PUT({
+        var method = this.updateWithPOST ? "POST" : "PUT";
+        resp.priv = OpenLayers.Request[method]({
             url: url,
             callback: this.createCallback(this.handleUpdate, resp, options),
             headers: options.headers,
@@ -344,11 +360,16 @@ OpenLayers.Protocol.HTTP = OpenLayers.Class(OpenLayers.Protocol, {
             requestType: "delete"
         });
 
-        resp.priv = OpenLayers.Request.DELETE({
+        var method = this.deleteWithPOST ? "POST" : "DELETE";
+        var requestOptions = {
             url: url,
             callback: this.createCallback(this.handleDelete, resp, options),
             headers: options.headers
-        });
+        };
+        if (this.deleteWithPOST) {
+            requestOptions.data = this.format.write(feature);
+        }
+        resp.priv = OpenLayers.Request[method](requestOptions);
 
         return resp;
     },