Here you can find the source of createPanelBorder()
public static Border createPanelBorder()
//package com.java2s; /*/*from w w w .j a v a 2 s.co m*/ * Copyright (c) 2015 Memorial Sloan-Kettering Cancer Center * * * * Code written by: Christian Lopes * * Authors: Gary Bader, Elena Potylitsine, Chris Sander, Weston Whitaker * * * * This library is free software; you can redistribute it and/or modify it * * under the terms of the GNU Lesser General Public License as published * * by the Free Software Foundation; either version 2.1 of the License, or * * any later version. * * * * This library is distributed in the hope that it will be useful, but * * WITHOUT ANY WARRANTY, WITHOUT EVEN THE IMPLIED WARRANTY OF * * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. The software and * * documentation provided hereunder is on an "as is" basis, and * * Memorial Sloan-Kettering Cancer Center * * has no obligations to provide maintenance, support, * * updates, enhancements or modifications. In no type shall the * * Memorial Sloan-Kettering Cancer Center * * be liable to any party for direct, indirect, special, * * incidental or consequential damages, including lost profits, arising * * out of the use of this software and its documentation, even if * * Memorial Sloan-Kettering Cancer Center * * has been advised of the possibility of such damage. See * * the GNU Lesser General Public License for more details. * * * * You should have received a copy of the GNU Lesser General Public License * * along with this library; if not, write to the Free Software Foundation, * * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ import javax.swing.BorderFactory; import javax.swing.UIManager; import javax.swing.border.Border; import javax.swing.border.TitledBorder; public class Main { public static Border createPanelBorder() { // Try to create Aqua recessed borders on Mac OS Border border = isAquaLAF() ? UIManager.getBorder("InsetBorder.aquaVariant") : null; if (border == null) { if (isWinLAF()) border = new TitledBorder(""); else border = BorderFactory.createTitledBorder("SAMPLE").getBorder(); } if (border == null) border = BorderFactory.createLineBorder(UIManager.getColor("Separator.foreground")); return border; } public static boolean isAquaLAF() { return UIManager.getLookAndFeel() != null && "Mac OS X".equals(UIManager.getLookAndFeel().getName()); } public static boolean isWinLAF() { return UIManager.getLookAndFeel() != null && "Windows".equals(UIManager.getLookAndFeel().getName()); } public static Border createTitledBorder(final String title) { final Border border; if (title == null || title.trim().isEmpty()) { final Border aquaBorder = isAquaLAF() ? UIManager.getBorder("InsetBorder.aquaVariant") : null; border = aquaBorder != null ? aquaBorder : BorderFactory.createTitledBorder("SAMPLE").getBorder(); } else { final Border aquaBorder = isAquaLAF() ? UIManager.getBorder("TitledBorder.aquaVariant") : null; final TitledBorder tb = aquaBorder != null ? BorderFactory.createTitledBorder(aquaBorder, title) : BorderFactory.createTitledBorder(title); border = tb; } return border; } }