/*
* 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-common-js/template_engine */
var utils = require('vertx-js/util/utils');
var Buffer = require('vertx-js/buffer');
var Future = require('vertx-js/future');
var Promise = require('vertx-js/promise');
var io = Packages.io;
var JsonObject = io.vertx.core.json.JsonObject;
var JsonArray = io.vertx.core.json.JsonArray;
var JTemplateEngine = Java.type('io.vertx.ext.web.common.template.TemplateEngine');
/**
A template template uses a specific template and the data in a routing context to render a resource into a buffer.
<p>
Concrete implementations exist for several well-known template engines.
@class
*/
var TemplateEngine = function(j_val) {
var j_templateEngine = j_val;
var that = this;
var __super_render = this.render;
/**
Render the template. Template engines that support partials/fragments should extract the template base path from
the template filename up to the last file separator.
Some engines support localization, for these engines, there is a predefined key "lang" to specify the language to
be used in the localization, the format should follow the standard locale formats e.g.: "en-gb", "pt-br", "en".
@public
@param context {Object} the routing context
@param templateFileName {string} the template file name to use
@param handler {function} the handler that will be called with a result containing the buffer or a failure.
*/
this.render = function(context, templateFileName, handler) {
var __args = arguments;
if (__args.length === 3 && (typeof __args[0] === 'object' && __args[0] != null) && typeof __args[1] === 'string' && typeof __args[2] === 'function') {
j_templateEngine["render(io.vertx.core.json.JsonObject,java.lang.String,io.vertx.core.Handler)"](utils.convParamJsonObject(context), templateFileName, function(ar) {
if (ar.succeeded()) {
handler(utils.convReturnVertxGen(Buffer, ar.result()), null);
} else {
handler(null, ar.cause());
}
});
} else if (__args.length === 2 && (typeof __args[0] === 'object' && __args[0] != null) && typeof __args[1] === 'string') {
var __prom = Promise.promise();
var __prom_completer_handler = function (result, cause) { if (cause === null) { __prom.complete(result); } else { __prom.fail(cause); } };
j_templateEngine["render(io.vertx.core.json.JsonObject,java.lang.String,io.vertx.core.Handler)"](utils.convParamJsonObject(context), templateFileName, function(ar) {
if (ar.succeeded()) {
__prom_completer_handler(utils.convReturnVertxGen(Buffer, ar.result()), null);
} else {
__prom_completer_handler(null, ar.cause());
}
});
return __prom.future();
} else if (typeof __super_render != 'undefined') {
return __super_render.apply(this, __args);
}
else throw new TypeError('function invoked with invalid arguments');
};
// 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_templateEngine;
};
TemplateEngine._jclass = utils.getJavaClass("io.vertx.ext.web.common.template.TemplateEngine");
TemplateEngine._jtype = {accept: function(obj) {
return TemplateEngine._jclass.isInstance(obj._jdel);
},wrap: function(jdel) {
var obj = Object.create(TemplateEngine.prototype, {});
TemplateEngine.apply(obj, arguments);
return obj;
},
unwrap: function(obj) {
return obj._jdel;
}
};
TemplateEngine._create = function(jdel) {var obj = Object.create(TemplateEngine.prototype, {});
TemplateEngine.apply(obj, arguments);
return obj;
}
module.exports = TemplateEngine;