001 package org.apache.myfaces.tobago.util; 002 003 /* 004 * Licensed to the Apache Software Foundation (ASF) under one or more 005 * contributor license agreements. See the NOTICE file distributed with 006 * this work for additional information regarding copyright ownership. 007 * The ASF licenses this file to You under the Apache License, Version 2.0 008 * (the "License"); you may not use this file except in compliance with 009 * the License. You may obtain a copy of the License at 010 * 011 * http://www.apache.org/licenses/LICENSE-2.0 012 * 013 * Unless required by applicable law or agreed to in writing, software 014 * distributed under the License is distributed on an "AS IS" BASIS, 015 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 016 * See the License for the specific language governing permissions and 017 * limitations under the License. 018 */ 019 020 import org.apache.myfaces.tobago.renderkit.LabelWithAccessKey; 021 import org.apache.commons.lang.StringUtils; 022 023 import java.util.ArrayList; 024 import java.util.List; 025 import java.util.StringTokenizer; 026 import java.util.Locale; 027 028 public class StringUtil { 029 030 private StringUtil() { 031 } 032 033 public static String firstToUpperCase(String string) { 034 if (string == null) { 035 return null; 036 } 037 switch (string.length()) { 038 case 0: 039 return string; 040 case 1: 041 return string.toUpperCase(Locale.ENGLISH); 042 default: 043 return string.substring(0, 1).toUpperCase(Locale.ENGLISH) + string.substring(1); 044 } 045 } 046 047 public static List<Integer> parseIntegerList(String integerList) 048 throws NumberFormatException { 049 List<Integer> list = new ArrayList<Integer>(); 050 051 StringTokenizer tokenizer = new StringTokenizer(integerList, ", "); 052 while (tokenizer.hasMoreElements()) { 053 String token = tokenizer.nextToken().trim(); 054 if (token.length() > 0) { 055 list.add(new Integer(token)); 056 } 057 } 058 059 return list; 060 } 061 062 public static <T> String toString(List<T> list) { 063 StringBuilder buffer = new StringBuilder(","); 064 for (T t : list) { 065 buffer.append(t); 066 buffer.append(","); 067 } 068 return buffer.toString(); 069 } 070 071 public static String escapeAccessKeyIndicator(String label) { 072 return StringUtils.replace(label, 073 String.valueOf(LabelWithAccessKey.INDICATOR), LabelWithAccessKey.ESCAPED_INDICATOR); 074 } 075 076 }