# Source: vertx-shell-js/command_builder.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-shell-js/command_builder */
    var utils = require('vertx-js/util/utils');
    var Command = require('vertx-shell-js/command');
    var Completion = require('vertx-shell-js/completion');
    var CLI = require('vertx-js/cli');
    var Vertx = require('vertx-js/vertx');
    var CommandProcess = require('vertx-shell-js/command_process');

    var io = Packages.io;
    var JsonObject = io.vertx.core.json.JsonObject;
    var JCommandBuilder = io.vertx.ext.shell.command.CommandBuilder;

    /**
     A build for Vert.x Shell command.

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

      var j_commandBuilder = j_val;
      var that = this;

      /**
       Set the command process handler, the process handler is called when the command is executed.

       @public
       @param handler {function} the process handler
       @return {CommandBuilder} this command object
       */
      this.processHandler = function(handler) {
        var __args = arguments;
        if (__args.length === 1 && typeof __args[0] === 'function') {
          j_commandBuilder["processHandler(io.vertx.core.Handler)"](function(jVal) {
          handler(utils.convReturnVertxGen(jVal, CommandProcess));
        });
          return that;
        } else throw new TypeError('function invoked with invalid arguments');
      };

      /**
       Set the command completion handler, the completion handler when the user asks for contextual command line
       completion, usually hitting the <i>tab</i> key.

       @public
       @param handler {function} the completion handler
       @return {CommandBuilder} this command object
       */
      this.completionHandler = function(handler) {
        var __args = arguments;
        if (__args.length === 1 && typeof __args[0] === 'function') {
          j_commandBuilder["completionHandler(io.vertx.core.Handler)"](function(jVal) {
          handler(utils.convReturnVertxGen(jVal, Completion));
        });
          return that;
        } else throw new TypeError('function invoked with invalid arguments');
      };

      /**
       Build the command

       @public
       @param vertx {Vertx} the vertx instance
       @return {Command} the built command
       */
      this.build = function(vertx) {
        var __args = arguments;
        if (__args.length === 1 && typeof __args[0] === 'object' && __args[0]._jdel) {
          return utils.convReturnVertxGen(j_commandBuilder["build(io.vertx.core.Vertx)"](vertx._jdel), Command);
        } 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_commandBuilder;
    };

    /**
     Create a new commmand with its {@link CLI} descriptor. This command can then retrieve the parsed
     {@link CommandProcess#commandLine} when it executes to know get the command arguments and options.

     @memberof module:vertx-shell-js/command_builder
     @param cli {CLI} the cli to use
     @return {CommandBuilder} the command
     */
    CommandBuilder.command = function() {
      var __args = arguments;
      if (__args.length === 1 && typeof __args[0] === 'string') {
        return utils.convReturnVertxGen(JCommandBuilder["command(java.lang.String)"](__args[0]), CommandBuilder);
      }else if (__args.length === 1 && typeof __args[0] === 'object' && __args[0]._jdel) {
        return utils.convReturnVertxGen(JCommandBuilder["command(io.vertx.core.cli.CLI)"](__args[0]._jdel), CommandBuilder);
      } else throw new TypeError('function invoked with invalid arguments');
    };

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