Source: net_client.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-js/net_client */
var utils = require('vertx-js/util/utils');
var Measured = require('vertx-js/measured');
var NetSocket = require('vertx-js/net_socket');

var io = Packages.io;
var JsonObject = io.vertx.core.json.JsonObject;
var JNetClient = io.vertx.core.net.NetClient;

/**
 A TCP client.
 <p>
 Multiple connections to different servers can be made using the same instance.
 <p>
 This client supports a configurable number of connection attempts and a configurable
 delay between attempts.

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

  var j_netClient = j_val;
  var that = this;
  Measured.call(this, j_val);

  /**
   Whether the metrics are enabled for this measured object

   @public

   @return {boolean} true if the metrics are enabled
   */
  this.isMetricsEnabled = function() {
    var __args = arguments;
    if (__args.length === 0) {
      return j_netClient["isMetricsEnabled()"]();
    } else utils.invalidArgs();
  };

  /**
   Open a connection to a server at the specific <code>port</code> and <code>host</code>.
   <p>
   <code>host</code> can be a valid host name or IP address. The connect is done asynchronously and on success, a
   {@link NetSocket} instance is supplied via the <code>connectHandler</code> instance

   @public
   @param port {number} the port 
   @param host {string} the host 
   @param connectHandler {function} 
   @return {NetClient} a reference to this, so the API can be used fluently
   */
  this.connect = function(port, host, connectHandler) {
    var __args = arguments;
    if (__args.length === 3 && typeof __args[0] ==='number' && typeof __args[1] === 'string' && typeof __args[2] === 'function') {
      j_netClient["connect(int,java.lang.String,io.vertx.core.Handler)"](port, host, function(ar) {
      if (ar.succeeded()) {
        connectHandler(new NetSocket(ar.result()), null);
      } else {
        connectHandler(null, ar.cause());
      }
    });
      return that;
    } else utils.invalidArgs();
  };

  /**
   Close the client.
   <p>
   Any sockets which have not been closed manually will be closed here. The close is asynchronous and may not
   complete until some time after the method has returned.

   @public

   */
  this.close = function() {
    var __args = arguments;
    if (__args.length === 0) {
      j_netClient["close()"]();
    } 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_netClient;
};

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