1 ////////////////////////////////////////////////////////////////////////////////
2 // checkstyle: Checks Java source code for adherence to a set of rules.
3 // Copyright (C) 2001-2019 the original author or authors.
4 //
5 // This library is free software; you can redistribute it and/or
6 // modify it under the terms of the GNU Lesser General Public
7 // License as published by the Free Software Foundation; either
8 // version 2.1 of the License, or (at your option) any later version.
9 //
10 // This library is distributed in the hope that it will be useful,
11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 // Lesser General Public License for more details.
14 //
15 // You should have received a copy of the GNU Lesser General Public
16 // License along with this library; if not, write to the Free Software
17 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 ////////////////////////////////////////////////////////////////////////////////
19
20 package com.puppycrawl.tools.checkstyle.gui;
21
22 import java.io.File;
23
24 import javax.swing.SwingUtilities;
25 import javax.swing.WindowConstants;
26
27 /**
28 * Entry point for starting the checkstyle GUI.
29 *
30 */
31 public final class Main {
32
33 /** Hidden constructor of the current utility class. */
34 private Main() {
35 // no code
36 }
37
38 /**
39 * Entry point.
40 * @param args the command line arguments.
41 */
42 public static void main(final String... args) {
43 SwingUtilities.invokeLater(() -> {
44 final MainFrame mainFrame = new MainFrame();
45
46 if (args.length > 0) {
47 final File sourceFile = new File(args[0]);
48 mainFrame.openFile(sourceFile);
49 }
50 mainFrame.setTitle("Checkstyle GUI");
51 mainFrame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
52 mainFrame.setVisible(true);
53 });
54 }
55
56 }