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https://github.com/gyurix1968/guacamole-client.git
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115 lines
3.1 KiB
JavaScript
115 lines
3.1 KiB
JavaScript
/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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var Guacamole = Guacamole || {};
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/**
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* A reader which automatically handles the given input stream, assembling all
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* received blobs into a JavaScript object by appending them to each other, in
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* order, and decoding the result as JSON. Note that this object will overwrite
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* any installed event handlers on the given Guacamole.InputStream.
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*
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* @constructor
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* @param {Guacamole.InputStream} stream
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* The stream that JSON will be read from.
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*/
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Guacamole.JSONReader = function guacamoleJSONReader(stream) {
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/**
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* Reference to this Guacamole.JSONReader.
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*
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* @private
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* @type {!Guacamole.JSONReader}
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*/
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var guacReader = this;
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/**
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* Wrapped Guacamole.StringReader.
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*
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* @private
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* @type {!Guacamole.StringReader}
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*/
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var stringReader = new Guacamole.StringReader(stream);
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/**
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* All JSON read thus far.
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*
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* @private
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* @type {!string}
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*/
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var json = '';
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/**
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* Returns the current length of this Guacamole.JSONReader, in characters.
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*
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* @return {!number}
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* The current length of this Guacamole.JSONReader.
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*/
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this.getLength = function getLength() {
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return json.length;
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};
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/**
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* Returns the contents of this Guacamole.JSONReader as a JavaScript
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* object.
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*
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* @return {object}
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* The contents of this Guacamole.JSONReader, as parsed from the JSON
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* contents of the input stream.
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*/
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this.getJSON = function getJSON() {
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return JSON.parse(json);
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};
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// Append all received text
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stringReader.ontext = function ontext(text) {
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// Append received text
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json += text;
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// Call handler, if present
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if (guacReader.onprogress)
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guacReader.onprogress(text.length);
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};
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// Simply call onend when end received
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stringReader.onend = function onend() {
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if (guacReader.onend)
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guacReader.onend();
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};
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/**
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* Fired once for every blob of data received.
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*
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* @event
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* @param {!number} length
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* The number of characters received.
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*/
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this.onprogress = null;
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/**
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* Fired once this stream is finished and no further data will be written.
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*
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* @event
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*/
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this.onend = null;
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};
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