001/////////////////////////////////////////////////////////////////////////////////////////////// 002// checkstyle: Checks Java source code and other text files for adherence to a set of rules. 003// Copyright (C) 2001-2024 the original author or authors. 004// 005// This library is free software; you can redistribute it and/or 006// modify it under the terms of the GNU Lesser General Public 007// License as published by the Free Software Foundation; either 008// version 2.1 of the License, or (at your option) any later version. 009// 010// This library is distributed in the hope that it will be useful, 011// but WITHOUT ANY WARRANTY; without even the implied warranty of 012// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 013// Lesser General Public License for more details. 014// 015// You should have received a copy of the GNU Lesser General Public 016// License along with this library; if not, write to the Free Software 017// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 018/////////////////////////////////////////////////////////////////////////////////////////////// 019 020package com.puppycrawl.tools.checkstyle.gui; 021 022import java.io.File; 023 024import javax.swing.SwingUtilities; 025import javax.swing.WindowConstants; 026 027/** 028 * Entry point for starting the checkstyle GUI. 029 * 030 */ 031public final class Main { 032 033 /** Hidden constructor of the current utility class. */ 034 private Main() { 035 // no code 036 } 037 038 /** 039 * Entry point. 040 * 041 * @param args the command line arguments. 042 */ 043 public static void main(final String... args) { 044 SwingUtilities.invokeLater(() -> { 045 createMainFrame(args); 046 }); 047 } 048 049 /** 050 * Helper method to create the {@code MainFrame} instance. 051 * 052 * @param args the command line arguments 053 */ 054 private static void createMainFrame(String... args) { 055 final MainFrame mainFrame = new MainFrame(); 056 if (args.length > 0) { 057 final File sourceFile = new File(args[0]); 058 mainFrame.openFile(sourceFile); 059 } 060 mainFrame.setTitle("Checkstyle GUI"); 061 mainFrame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE); 062 mainFrame.pack(); 063 mainFrame.setVisible(true); 064 } 065 066}