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StringUtil.java | 0% | 0% | 0% | 0% |
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/*
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* Copyright (c) 2002-2003 by OpenSymphony
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* All rights reserved.
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*/
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package com.opensymphony.oscache.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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* Provides common utility methods for handling strings.
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*
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* @author <a href="mailto:chris@swebtec.com">Chris Miller</a>
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*/
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public class StringUtil { |
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/**
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* Splits a string into substrings based on the supplied delimiter
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* character. Each extracted substring will be trimmed of leading
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* and trailing whitespace.
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*
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* @param str The string to split
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* @param delimiter The character that delimits the string
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* @return A string array containing the resultant substrings
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*/
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public static List split(String str, char delimiter) { |
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// return no groups if we have an empty string
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if ((str == null) || "".equals(str)) { |
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return new ArrayList(); |
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} |
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ArrayList parts = new ArrayList();
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int currentIndex;
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int previousIndex = 0;
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while ((currentIndex = str.indexOf(delimiter, previousIndex)) > 0) {
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String part = str.substring(previousIndex, currentIndex).trim(); |
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parts.add(part); |
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previousIndex = currentIndex + 1; |
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} |
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parts.add(str.substring(previousIndex, str.length()).trim()); |
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return parts;
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} |
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} |
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