Here you can find the source of getRootName(String pathname)
public static String getRootName(String pathname)
//package com.java2s; /******************************************************************************* * Copyright (C) 2006-2013 AITIA International, Inc. * /*from w w w. j av a 2s .c om*/ * This program 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. * * This program 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 this program. If not, see <http://www.gnu.org/licenses/>. ******************************************************************************/ public class Main { /** Returns the whole 'pathname' without the extension ('.' is also removed) */ public static String getRootName(String pathname) { String name = new java.io.File(pathname).getName(); int i = name.lastIndexOf('.'); return (i < 0) ? pathname : pathname.substring(0, pathname.length() + i - name.length()); } }