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30 day Evaluation Version distributed via the Maven Jar Repository. Clover is not free. You have 30 days to evaluate it. Please visit http://www.thecortex.net/clover to obtain a licensed version of Clover | |||||||||||||||||||
Source file | Conditionals | Statements | Methods | TOTAL | |||||||||||||||
StringUtils.java | 100% | 100% | 100% | 100% |
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// Copyright 2004, 2005 The Apache Software Foundation
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package org.apache.hivemind.util;
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import java.util.ArrayList;
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import java.util.List;
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/**
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* A subset of the utilities available in commons-lang StringUtils. It's all
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* about reducing dependencies, baby!
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*
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* @author Howard Lewis Ship
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*/
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public class StringUtils |
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{ |
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/**
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* Splits an input string into a an array of strings, seperating
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* at commas.
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*
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* @param input the string to split, possibly null or empty
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* @return an array of the strings split at commas
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*/
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public static String[] split(String input) |
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{ |
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if (input == null) |
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return new String[0]; |
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List strings = new ArrayList();
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int startx = 0;
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int cursor = 0;
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int length = input.length();
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while (cursor < length)
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{ |
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if (input.charAt(cursor) == ',')
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{ |
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51 | 12 |
String item = input.substring(startx, cursor); |
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strings.add(item); |
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startx = cursor + 1; |
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} |
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cursor++; |
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} |
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if (startx < length)
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strings.add(input.substring(startx)); |
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return (String[]) strings.toArray(new String[strings.size()]); |
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} |
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/**
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* Converts a string such that the first character is upper case.
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*
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* @param input the input string (possibly empty)
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* @return the string with the first character converted from lowercase to upper case (may
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* return the string unchanged if already capitalized)
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*/
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public static String capitalize(String input) |
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{ |
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if (input.length() == 0)
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return input;
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char ch = input.charAt(0);
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if (Character.isUpperCase(ch))
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return input;
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return String.valueOf(Character.toUpperCase(ch)) + input.substring(1);
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} |
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public static String join(String[] input, char separator) |
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{ |
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if (input == null || input.length == 0) |
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return null; |
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StringBuffer buffer = new StringBuffer();
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for (int i = 0; i < input.length; i++) |
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{ |
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95 | 9 |
if (i > 0)
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buffer.append(separator); |
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98 | 9 |
buffer.append(input[i]); |
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} |
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101 | 5 |
return buffer.toString();
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} |
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} |
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