001 /* ========================================================================
002 * JCommon : a free general purpose class library for the Java(tm) platform
003 * ========================================================================
004 *
005 * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
006 *
007 * Project Info: http://www.jfree.org/jcommon/index.html
008 *
009 * This library is free software; you can redistribute it and/or modify it
010 * under the terms of the GNU Lesser General Public License as published by
011 * the Free Software Foundation; either version 2.1 of the License, or
012 * (at your option) any later version.
013 *
014 * This library is distributed in the hope that it will be useful, but
015 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
016 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
017 * License for more details.
018 *
019 * You should have received a copy of the GNU Lesser General Public
020 * License along with this library; if not, write to the Free Software
021 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
022 * USA.
023 *
024 * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
025 * in the United States and other countries.]
026 *
027 * ----------------
028 * StringUtils.java
029 * ----------------
030 * (C)opyright 2003, 2004, by Thomas Morgner and Contributors.
031 *
032 * Original Author: Thomas Morgner;
033 * Contributor(s): David Gilbert (for Object Refinery Limited);
034 *
035 * $Id: StringUtils.java,v 1.5 2005/10/18 13:24:19 mungady Exp $
036 *
037 * Changes
038 * -------------------------
039 * 21.06.2003 : Initial version
040 *
041 */
042
043 package org.jfree.util;
044
045 /**
046 * String utilities.
047 *
048 * @author Thomas Morgner.
049 */
050 public class StringUtils {
051
052 /**
053 * Private constructor prevents object creation.
054 */
055 private StringUtils() {
056 }
057
058 /**
059 * Helper functions to query a strings start portion. The comparison is case insensitive.
060 *
061 * @param base the base string.
062 * @param start the starting text.
063 *
064 * @return true, if the string starts with the given starting text.
065 */
066 public static boolean startsWithIgnoreCase(final String base, final String start) {
067 if (base.length() < start.length()) {
068 return false;
069 }
070 return base.regionMatches(true, 0, start, 0, start.length());
071 }
072
073 /**
074 * Helper functions to query a strings end portion. The comparison is case insensitive.
075 *
076 * @param base the base string.
077 * @param end the ending text.
078 *
079 * @return true, if the string ends with the given ending text.
080 */
081 public static boolean endsWithIgnoreCase(final String base, final String end) {
082 if (base.length() < end.length()) {
083 return false;
084 }
085 return base.regionMatches(true, base.length() - end.length(), end, 0, end.length());
086 }
087
088 /**
089 * Queries the system properties for the line separator. If access
090 * to the System properties is forbidden, the UNIX default is returned.
091 *
092 * @return the line separator.
093 */
094 public static String getLineSeparator() {
095 try {
096 return System.getProperty("line.separator", "\n");
097 }
098 catch (Exception e) {
099 return "\n";
100 }
101 }
102
103
104 }