Add ol.source.WMTS#getRequestEncoding

src/ol/source/wmtssource.js

@@ -96,10 +96,17 @@ ol.source.WMTS = function(options) {
 
   // FIXME: should we guess this requestEncoding from options.url(s)
   //        structure? that would mean KVP only if a template is not provided.
-  var requestEncoding = goog.isDef(options.requestEncoding) ?
+
+  /**
+   * @private
+   * @type {ol.source.WMTSRequestEncoding}
+   */
+  this.requestEncoding_ = goog.isDef(options.requestEncoding) ?
       /** @type {ol.source.WMTSRequestEncoding} */ (options.requestEncoding) :
       ol.source.WMTSRequestEncoding.KVP;
 
+  var requestEncoding = this.requestEncoding_;
+
   // FIXME: should we create a default tileGrid?
   // we could issue a getCapabilities xhr to retrieve missing configuration
   var tileGrid = options.tileGrid;
@@ -268,6 +275,16 @@ ol.source.WMTS.prototype.getMatrixSet = function() {
 };
 
 
+/**
+ * Return the request encoding, either "KVP" or "REST".
+ * @return {ol.source.WMTSRequestEncoding} Request encoding.
+ * @api
+ */
+ol.source.WMTS.prototype.getRequestEncoding = function() {
+  return this.requestEncoding_;
+};
+
+
 /**
  * Return the style of the WMTS source.
  * @return {string} Style.