Fix NPE
[nikiroo-utils.git] / src / jexer / demos / Demo1.java
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1/*
2 * Jexer - Java Text User Interface
7d4115a5 3 *
e16dda65 4 * The MIT License (MIT)
7d4115a5 5 *
a2018e99 6 * Copyright (C) 2017 Kevin Lamonte
7d4115a5 7 *
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8 * Permission is hereby granted, free of charge, to any person obtaining a
9 * copy of this software and associated documentation files (the "Software"),
10 * to deal in the Software without restriction, including without limitation
11 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
12 * and/or sell copies of the Software, and to permit persons to whom the
13 * Software is furnished to do so, subject to the following conditions:
7d4115a5 14 *
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15 * The above copyright notice and this permission notice shall be included in
16 * all copies or substantial portions of the Software.
7d4115a5 17 *
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18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
21 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
22 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
23 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
24 * DEALINGS IN THE SOFTWARE.
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25 *
26 * @author Kevin Lamonte [kevin.lamonte@gmail.com]
27 * @version 1
7d4115a5 28 */
70f5b2bb 29package jexer.demos;
2420f903 30
0d47c546 31import jexer.TApplication;
a06459bd 32
70f5b2bb 33/**
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34 * This class is the main driver for a simple demonstration of Jexer's
35 * capabilities.
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36 */
37public class Demo1 {
38 /**
39 * Main entry point.
40 *
cc99cba8 41 * @param args Command line arguments
7d4115a5 42 */
cc99cba8 43 public static void main(final String [] args) {
8e688b92 44 try {
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45 // Swing is the default backend on Windows unless explicitly
46 // overridden by jexer.Swing.
47 TApplication.BackendType backendType = TApplication.BackendType.XTERM;
48 if (System.getProperty("os.name").startsWith("Windows")) {
49 backendType = TApplication.BackendType.SWING;
50 }
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51 if (System.getProperty("os.name").startsWith("Mac")) {
52 backendType = TApplication.BackendType.SWING;
53 }
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54 if (System.getProperty("jexer.Swing") != null) {
55 if (System.getProperty("jexer.Swing", "false").equals("true")) {
56 backendType = TApplication.BackendType.SWING;
57 } else {
58 backendType = TApplication.BackendType.XTERM;
59 }
60 }
61 DemoApplication app = new DemoApplication(backendType);
62 (new Thread(app)).start();
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63 } catch (Exception e) {
64 e.printStackTrace();
65 }
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66 }
67
68}