001 /* 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, 013 * software distributed under the License is distributed on an 014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 015 * KIND, either express or implied. See the License for the 016 * specific language governing permissions and limitations 017 * under the License. 018 */ 019 020 package org.apache.myfaces.tobago.util; 021 022 import org.apache.myfaces.tobago.renderkit.LabelWithAccessKey; 023 024 import java.util.ArrayList; 025 import java.util.List; 026 import java.util.Locale; 027 import java.util.StringTokenizer; 028 029 public class StringUtils { 030 031 private StringUtils() { 032 } 033 034 /** 035 * @deprecated Use commons-lang StringUtils.capitalize() instead. 036 */ 037 @Deprecated 038 public static String firstToUpperCase(String string) { 039 if (Deprecation.LOG.isWarnEnabled()) { 040 Deprecation.LOG.warn("use commons-lang please"); 041 } 042 if (string == null) { 043 return null; 044 } 045 switch (string.length()) { 046 case 0: 047 return string; 048 case 1: 049 return string.toUpperCase(Locale.ENGLISH); 050 default: 051 return string.substring(0, 1).toUpperCase(Locale.ENGLISH) + string.substring(1); 052 } 053 } 054 055 public static List<Integer> parseIntegerList(String integerList) 056 throws NumberFormatException { 057 List<Integer> list = new ArrayList<Integer>(); 058 059 StringTokenizer tokenizer = new StringTokenizer(integerList, ", "); 060 while (tokenizer.hasMoreElements()) { 061 String token = tokenizer.nextToken().trim(); 062 if (token.length() > 0) { 063 list.add(new Integer(token)); 064 } 065 } 066 067 return list; 068 } 069 070 public static <T> String toString(List<T> list) { 071 StringBuilder buffer = new StringBuilder(","); 072 for (T t : list) { 073 buffer.append(t); 074 buffer.append(","); 075 } 076 return buffer.toString(); 077 } 078 079 @Deprecated 080 public static String escapeAccessKeyIndicator(String label) { 081 if (Deprecation.LOG.isWarnEnabled()) { 082 Deprecation.LOG.warn(label); 083 } 084 return org.apache.commons.lang.StringUtils.replace(label, 085 String.valueOf(LabelWithAccessKey.INDICATOR), LabelWithAccessKey.ESCAPED_INDICATOR); 086 } 087 088 /** 089 * Checks if the String starts like a url, e.g. http: or xyz: 090 */ 091 public static boolean isUrl(final String link) { 092 if (link == null) { 093 return false; 094 } 095 int colon = link.indexOf(':'); 096 if (colon < 1) { 097 return false; 098 } 099 for (int i = 0; i < colon; i++) { 100 if (!Character.isLetter(link.charAt(i))) { 101 return false; 102 } 103 } 104 return true; 105 } 106 }