# Source: vertx-js/dns_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/dns_client */
    var utils = require('vertx-js/util/utils');
    var MxRecord = require('vertx-js/mx_record');
    var SrvRecord = require('vertx-js/srv_record');

    var io = Packages.io;
    var JsonObject = io.vertx.core.json.JsonObject;
    var JDnsClient = io.vertx.core.dns.DnsClient;

    /**
     Provides a way to asynchronously lookup information from DNS servers.
     <p>
     Please consult the documentation for more information on DNS clients.

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

      var j_dnsClient = j_val;
      var that = this;

      /**
       Try to lookup the A (ipv4) or AAAA (ipv6) record for the given name. The first found will be used.

       @public
       @param name {string} the name to resolve
       @param handler {function} the {@link Handler} to notify with the {@link AsyncResult}. The handler will get notified with the resolved address if a record was found. If non was found it will get notifed with <code>null</code>. If an error accours it will get failed.
       @return {DnsClient} a reference to this, so the API can be used fluently
       */
      this.lookup = function(name, handler) {
        var __args = arguments;
        if (__args.length === 2 && typeof __args[0] === 'string' && typeof __args[1] === 'function') {
          j_dnsClient["lookup(java.lang.String,io.vertx.core.Handler)"](name, function(ar) {
          if (ar.succeeded()) {
            handler(ar.result(), null);
          } else {
            handler(null, ar.cause());
          }
        });
          return that;
        } else throw new TypeError('function invoked with invalid arguments');
      };

      /**
       Try to lookup the A (ipv4) record for the given name. The first found will be used.

       @public
       @param name {string} the name to resolve
       @param handler {function} the  to notify with the {@link AsyncResult}. The handler will get notified with the resolved Inet4Address if a record was found. If non was found it will get notifed with <code>null</code>. If an error accours it will get failed.
       @return {DnsClient} a reference to this, so the API can be used fluently
       */
      this.lookup4 = function(name, handler) {
        var __args = arguments;
        if (__args.length === 2 && typeof __args[0] === 'string' && typeof __args[1] === 'function') {
          j_dnsClient["lookup4(java.lang.String,io.vertx.core.Handler)"](name, function(ar) {
          if (ar.succeeded()) {
            handler(ar.result(), null);
          } else {
            handler(null, ar.cause());
          }
        });
          return that;
        } else throw new TypeError('function invoked with invalid arguments');
      };

      /**
       Try to lookup the AAAA (ipv6) record for the given name. The first found will be used.

       @public
       @param name {string} the name to resolve
       @param handler {function} the  to notify with the . The handler will get notified with the resolved Inet6Address if a record was found. If non was found it will get notifed with <code>null</code>. If an error accours it will get failed.
       @return {DnsClient} a reference to this, so the API can be used fluently
       */
      this.lookup6 = function(name, handler) {
        var __args = arguments;
        if (__args.length === 2 && typeof __args[0] === 'string' && typeof __args[1] === 'function') {
          j_dnsClient["lookup6(java.lang.String,io.vertx.core.Handler)"](name, function(ar) {
          if (ar.succeeded()) {
            handler(ar.result(), null);
          } else {
            handler(null, ar.cause());
          }
        });
          return that;
        } else throw new TypeError('function invoked with invalid arguments');
      };

      /**
       Try to resolve all A (ipv4) records for the given name.

       @public
       @param name {string} the name to resolve
       @param handler {function} the {@link Handler} to notify with the {@link AsyncResult}. The handler will get notified with a List that contains all the resolved Inet4Addresses. If none was found an empty List will be used. If an error accours it will get failed.
       @return {DnsClient} a reference to this, so the API can be used fluently
       */
      this.resolveA = function(name, handler) {
        var __args = arguments;
        if (__args.length === 2 && typeof __args[0] === 'string' && typeof __args[1] === 'function') {
          j_dnsClient["resolveA(java.lang.String,io.vertx.core.Handler)"](name, function(ar) {
          if (ar.succeeded()) {
            handler(ar.result(), null);
          } else {
            handler(null, ar.cause());
          }
        });
          return that;
        } else throw new TypeError('function invoked with invalid arguments');
      };

      /**
       Try to resolve all AAAA (ipv6) records for the given name.

       @public
       @param name {string} the name to resolve
       @param handler {function} the {@link Handler} to notify with the {@link AsyncResult}. The handler will get notified with a List that contains all the resolved Inet6Addresses. If none was found an empty List will be used. If an error accours it will get failed.
       @return {DnsClient} a reference to this, so the API can be used fluently
       */
      this.resolveAAAA = function(name, handler) {
        var __args = arguments;
        if (__args.length === 2 && typeof __args[0] === 'string' && typeof __args[1] === 'function') {
          j_dnsClient["resolveAAAA(java.lang.String,io.vertx.core.Handler)"](name, function(ar) {
          if (ar.succeeded()) {
            handler(ar.result(), null);
          } else {
            handler(null, ar.cause());
          }
        });
          return that;
        } else throw new TypeError('function invoked with invalid arguments');
      };

      /**
       Try to resolve the CNAME record for the given name.

       @public
       @param name {string} the name to resolve the CNAME for
       @param handler {function} the  to notify with the . The handler will get notified with the resolved String if a record was found. If none was found it will get notified with <code>null</code>. If an error accours it will get failed.
       @return {DnsClient} a reference to this, so the API can be used fluently.
       */
      this.resolveCNAME = function(name, handler) {
        var __args = arguments;
        if (__args.length === 2 && typeof __args[0] === 'string' && typeof __args[1] === 'function') {
          j_dnsClient["resolveCNAME(java.lang.String,io.vertx.core.Handler)"](name, function(ar) {
          if (ar.succeeded()) {
            handler(ar.result(), null);
          } else {
            handler(null, ar.cause());
          }
        });
          return that;
        } else throw new TypeError('function invoked with invalid arguments');
      };

      /**
       Try to resolve the MX records for the given name.

       @public
       @param name {string} the name for which the MX records should be resolved
       @param handler {function} the {@link Handler} to notify with the {@link AsyncResult}. The handler will get notified with a List that contains all resolved {@link MxRecord}s, sorted by their {@link MxRecord#priority}. If non was found it will get notified with an empty List. If an error accours it will get failed.
       @return {DnsClient} a reference to this, so the API can be used fluently.
       */
      this.resolveMX = function(name, handler) {
        var __args = arguments;
        if (__args.length === 2 && typeof __args[0] === 'string' && typeof __args[1] === 'function') {
          j_dnsClient["resolveMX(java.lang.String,io.vertx.core.Handler)"](name, function(ar) {
          if (ar.succeeded()) {
            handler(utils.convReturnListSetVertxGen(ar.result(), MxRecord), null);
          } else {
            handler(null, ar.cause());
          }
        });
          return that;
        } else throw new TypeError('function invoked with invalid arguments');
      };

      /**
       Try to resolve the TXT records for the given name.

       @public
       @param name {string} the name for which the TXT records should be resolved
       @param handler {function} the  to notify with the . The handler will get notified with a List that contains all resolved Strings. If none was found it will get notified with an empty List. If an error accours it will get failed.
       @return {DnsClient} a reference to this, so the API can be used fluently.
       */
      this.resolveTXT = function(name, handler) {
        var __args = arguments;
        if (__args.length === 2 && typeof __args[0] === 'string' && typeof __args[1] === 'function') {
          j_dnsClient["resolveTXT(java.lang.String,io.vertx.core.Handler)"](name, function(ar) {
          if (ar.succeeded()) {
            handler(ar.result(), null);
          } else {
            handler(null, ar.cause());
          }
        });
          return that;
        } else throw new TypeError('function invoked with invalid arguments');
      };

      /**
       Try to resolve the PTR record for the given name.

       @public
       @param name {string} the name to resolve the PTR for
       @param handler {function} the  to notify with the . The handler will get notified with the resolved String if a record was found. If none was found it will get notified with <code>null</code>. If an error accours it will get failed.
       @return {DnsClient} a reference to this, so the API can be used fluently.
       */
      this.resolvePTR = function(name, handler) {
        var __args = arguments;
        if (__args.length === 2 && typeof __args[0] === 'string' && typeof __args[1] === 'function') {
          j_dnsClient["resolvePTR(java.lang.String,io.vertx.core.Handler)"](name, function(ar) {
          if (ar.succeeded()) {
            handler(ar.result(), null);
          } else {
            handler(null, ar.cause());
          }
        });
          return that;
        } else throw new TypeError('function invoked with invalid arguments');
      };

      /**
       Try to resolve the NS records for the given name.

       @public
       @param name {string} the name for which the NS records should be resolved
       @param handler {function} the  to notify with the . The handler will get notified with a List that contains all resolved Strings. If none was found it will get notified with an empty List. If an error accours it will get failed.
       @return {DnsClient} a reference to this, so the API can be used fluently.
       */
      this.resolveNS = function(name, handler) {
        var __args = arguments;
        if (__args.length === 2 && typeof __args[0] === 'string' && typeof __args[1] === 'function') {
          j_dnsClient["resolveNS(java.lang.String,io.vertx.core.Handler)"](name, function(ar) {
          if (ar.succeeded()) {
            handler(ar.result(), null);
          } else {
            handler(null, ar.cause());
          }
        });
          return that;
        } else throw new TypeError('function invoked with invalid arguments');
      };

      /**
       Try to resolve the SRV records for the given name.

       @public
       @param name {string} the name for which the SRV records should be resolved
       @param handler {function} the  to notify with the . The handler will get notified with a List that contains all resolved {@link SrvRecord}s. If none was found it will get notified with an empty List. If an error accours it will get failed.
       @return {DnsClient} a reference to this, so the API can be used fluently.
       */
      this.resolveSRV = function(name, handler) {
        var __args = arguments;
        if (__args.length === 2 && typeof __args[0] === 'string' && typeof __args[1] === 'function') {
          j_dnsClient["resolveSRV(java.lang.String,io.vertx.core.Handler)"](name, function(ar) {
          if (ar.succeeded()) {
            handler(utils.convReturnListSetVertxGen(ar.result(), SrvRecord), null);
          } else {
            handler(null, ar.cause());
          }
        });
          return that;
        } else throw new TypeError('function invoked with invalid arguments');
      };

      /**
       Try to do a reverse lookup of an IP address. This is basically the same as doing trying to resolve a PTR record
       but allows you to just pass in the IP address and not a valid ptr query string.

       @public
       @param ipaddress {string} the IP address to resolve the PTR for
       @param handler {function} the  to notify with the . The handler will get notified with the resolved String if a record was found. If none was found it will get notified with <code>null</code>. If an error accours it will get failed.
       @return {DnsClient} a reference to this, so the API can be used fluently.
       */
      this.reverseLookup = function(ipaddress, handler) {
        var __args = arguments;
        if (__args.length === 2 && typeof __args[0] === 'string' && typeof __args[1] === 'function') {
          j_dnsClient["reverseLookup(java.lang.String,io.vertx.core.Handler)"](ipaddress, function(ar) {
          if (ar.succeeded()) {
            handler(ar.result(), null);
          } else {
            handler(null, ar.cause());
          }
        });
          return that;
        } 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_dnsClient;
    };

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