001 /* 002 * AllLowerCaseFormatter.java 003 * 004 * Copyright (C) 2005 Anupam Sengupta ([email protected]) 005 * 006 * This program is free software; you can redistribute it and/or 007 * modify it under the terms of the GNU General Public License 008 * as published by the Free Software Foundation; either version 2 009 * of the License, or (at your option) any later version. 010 * 011 * This program is distributed in the hope that it will be useful, 012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 014 * GNU General Public License for more details. 015 * 016 * You should have received a copy of the GNU General Public License 017 * along with this program; if not, write to the Free Software 018 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. 019 * 020 * Version: $Revision: 1.2 $ 021 */ 022 package net.sf.anupam.csv.formatters; 023 024 /** 025 * A {@link CSVFieldFormatter Formatter} which transforms the input into all 026 * lower-case and returns the lower-case version. 027 * <p/> 028 * The declarative name of this formatter is <code>allLowerCase</code>. 029 * 030 * @author Anupam Sengupta 031 * @version $Revision: 1.2 $ 032 * @csv.formatter-mapping name="allLowerCase" 033 * @see AllUpperCaseFormatter 034 * @since 1.5 035 */ 036 final class AllLowerCaseFormatter 037 implements CSVFieldFormatter { 038 039 /** 040 * Constructor for AllLowerCaseFormatter. 041 */ 042 public AllLowerCaseFormatter() { 043 super(); 044 } 045 046 /** 047 * Formats the value and transforms the result to all lower case. 048 * 049 * @param value the value to be transformed 050 * @return the lower case transformed value 051 * @see CSVFieldFormatter#format(String) 052 */ 053 public String format(final String value) { 054 055 if (value == null) { 056 return null; 057 } 058 return value.toLowerCase().trim(); 059 } 060 061 }