# Source: handlebars_template_engine.js

    /*
     * Copyright 2014 Red Hat, Inc.
     *
     * Red Hat licenses this file to you under the Apache License, version 2.0
     * (the "License"); you may not use this file except in compliance with the
     * License.  You may obtain a copy of the License at:
     *
     * http://www.apache.org/licenses/LICENSE-2.0
     *
     * Unless required by applicable law or agreed to in writing, software
     * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
     * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
     * License for the specific language governing permissions and limitations
     * under the License.
     */

    /** @module vertx-web-js/handlebars_template_engine */
    var utils = require('vertx-js/util/utils');
    var TemplateEngine = require('vertx-web-js/template_engine');

    var io = Packages.io;
    var JsonObject = io.vertx.core.json.JsonObject;
    var JHandlebarsTemplateEngine = io.vertx.ext.web.templ.HandlebarsTemplateEngine;

    /**
     A template engine that uses the Handlebars library.

     @class
    */
    var HandlebarsTemplateEngine = function(j_val) {

      var j_handlebarsTemplateEngine = j_val;
      var that = this;
      TemplateEngine.call(this, j_val);

      /**
       Set the extension for the engine

       @public
       @param extension {string} the extension
       @return {HandlebarsTemplateEngine} a reference to this for fluency
       */
      this.setExtension = function(extension) {
        var __args = arguments;
        if (__args.length === 1 && typeof __args[0] === 'string') {
          return utils.convReturnVertxGen(j_handlebarsTemplateEngine["setExtension(java.lang.String)"](extension), HandlebarsTemplateEngine);
        } else utils.invalidArgs();
      };

      /**
       Set the max cache size for the engine

       @public
       @param maxCacheSize {number} the maxCacheSize
       @return {HandlebarsTemplateEngine} a reference to this for fluency
       */
      this.setMaxCacheSize = function(maxCacheSize) {
        var __args = arguments;
        if (__args.length === 1 && typeof __args[0] ==='number') {
          return utils.convReturnVertxGen(j_handlebarsTemplateEngine["setMaxCacheSize(int)"](maxCacheSize), HandlebarsTemplateEngine);
        } else utils.invalidArgs();
      };

      // A reference to the underlying Java delegate
      // NOTE! This is an internal API and must not be used in user code.
      // If you rely on this property your code is likely to break if we change it / remove it without warning.
      this._jdel = j_handlebarsTemplateEngine;
    };

    /**
     Create a template engine using defaults

     @memberof module:vertx-web-js/handlebars_template_engine

     @return {HandlebarsTemplateEngine} the engine
     */
    HandlebarsTemplateEngine.create = function() {
      var __args = arguments;
      if (__args.length === 0) {
        return utils.convReturnVertxGen(JHandlebarsTemplateEngine["create()"](), HandlebarsTemplateEngine);
      } else utils.invalidArgs();
    };

    // We export the Constructor function
    module.exports = HandlebarsTemplateEngine;