Here you can find the source of alignCenter(String sLine, int iSize)
public static String alignCenter(String sLine, int iSize)
//package com.java2s; /**//from w ww . jav a2 s .c o m * * NORD POS is a fork of Openbravo POS. * * Copyright (C) 2009-2013 Nord Trading Ltd. <http://www.nordpos.com> * * This file is part of NORD POS. * * NORD POS is free software: you can redistribute it and/or modify it under the * terms of the GNU General Public License as published by the Free Software * Foundation, either version 3 of the License, or (at your option) any later * version. * * NORD POS 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. See the GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along with * NORD POS. If not, see <http://www.gnu.org/licenses/>. */ public class Main { public static String alignCenter(String sLine, int iSize) { if (sLine.length() > iSize) { return alignRight(sLine.substring(0, (sLine.length() + iSize) / 2), iSize); } else { return alignRight(sLine + getWhiteString((iSize - sLine.length()) / 2), iSize); } } public static String alignCenter(String sLine) { return alignCenter(sLine, 42); } public static String alignRight(String sLine, int iSize) { if (sLine.length() > iSize) { return sLine.substring(sLine.length() - iSize); } else { return getWhiteString(iSize - sLine.length()) + sLine; } } public static String getWhiteString(int iSize, char cWhiteChar) { char[] cFill = new char[iSize]; for (int i = 0; i < iSize; i++) { cFill[i] = cWhiteChar; } return new String(cFill); } public static String getWhiteString(int iSize) { return getWhiteString(iSize, ' '); } }