# Source: vertx-js/read_stream.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/read_stream */
    var utils = require('vertx-js/util/utils');
    var StreamBase = require('vertx-js/stream_base');

    var io = Packages.io;
    var JsonObject = io.vertx.core.json.JsonObject;
    var JReadStream = io.vertx.core.streams.ReadStream;

    /**
     Represents a stream of items that can be read from.
     <p>
     @class
    */
    var ReadStream = function(j_val) {

      var j_readStream = j_val;
      var that = this;
      StreamBase.call(this, j_val);

      /**
       Set an exception handler on the read stream.

       @public
       @param handler {function} the exception handler
       @return {ReadStream} a reference to this, so the API can be used fluently
       */
      this.exceptionHandler = function(handler) {
        var __args = arguments;
        if (__args.length === 1 && (typeof __args[0] === 'function' || __args[0] == null)) {
          j_readStream["exceptionHandler(io.vertx.core.Handler)"](handler == null ? null : function(jVal) {
          handler(utils.convReturnThrowable(jVal));
        });
          return that;
        } else throw new TypeError('function invoked with invalid arguments');
      };

      /**
       Set a data handler. As data is read, the handler will be called with the data.

       @public
       @param handler {function}
       @return {ReadStream} a reference to this, so the API can be used fluently
       */
      this.handler = function(handler) {
        var __args = arguments;
        if (__args.length === 1 && (typeof __args[0] === 'function' || __args[0] == null)) {
          j_readStream["handler(io.vertx.core.Handler)"](handler == null ? null : function(jVal) {
          handler(utils.convReturnTypeUnknown(jVal));
        });
          return that;
        } else throw new TypeError('function invoked with invalid arguments');
      };

      /**
       Pause the <code>ReadSupport</code>. While it's paused, no data will be sent to the <code>dataHandler</code>

       @public

       @return {ReadStream} a reference to this, so the API can be used fluently
       */
      this.pause = function() {
        var __args = arguments;
        if (__args.length === 0) {
          j_readStream["pause()"]();
          return that;
        } else throw new TypeError('function invoked with invalid arguments');
      };

      /**
       Resume reading. If the <code>ReadSupport</code> has been paused, reading will recommence on it.

       @public

       @return {ReadStream} a reference to this, so the API can be used fluently
       */
      this.resume = function() {
        var __args = arguments;
        if (__args.length === 0) {
          j_readStream["resume()"]();
          return that;
        } else throw new TypeError('function invoked with invalid arguments');
      };

      /**
       Set an end handler. Once the stream has ended, and there is no more data to be read, this handler will be called.

       @public
       @param endHandler {function}
       @return {ReadStream} a reference to this, so the API can be used fluently
       */
      this.endHandler = function(endHandler) {
        var __args = arguments;
        if (__args.length === 1 && (typeof __args[0] === 'function' || __args[0] == null)) {
          j_readStream["endHandler(io.vertx.core.Handler)"](endHandler);
          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_readStream;
    };

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