Here you can find the source of replaceValues(String s, String begin, String end, Map values)
Parameter | Description |
---|---|
s | the original string |
begin | the beginning delimiter |
end | the ending delimiter |
values | a map of old and new values |
public static String replaceValues(String s, String begin, String end, Map values)
//package com.java2s; /**/* w w w . j a v a 2s. c om*/ * Copyright (c) 2000-2007 Liferay, Inc. All rights reserved. * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ import java.util.Map; public class Main { /** * Returns a string with replaced values. This method will replace all text * in the given string, between the beginning and ending delimiter, with new * values found in the given map. For example, if the string contained the * text <code>[$HELLO$]</code>, and the beginning delimiter was * <code>[$]</code>, and the ending delimiter was <code>$]</code>, and * the values map had a key of <code>HELLO</code> that mapped to * <code>WORLD</code>, then the replaced string will contain the text * <code>[$WORLD$]</code>. * * @param s * the original string * @param begin * the beginning delimiter * @param end * the ending delimiter * @param values * a map of old and new values * @return a string with replaced values */ public static String replaceValues(String s, String begin, String end, Map values) { if ((s == null) || (begin == null) || (end == null) || (values == null) || (values.size() == 0)) { return s; } StringBuffer sm = new StringBuffer(s.length()); int pos = 0; while (true) { int x = s.indexOf(begin, pos); int y = s.indexOf(end, x + begin.length()); if ((x == -1) || (y == -1)) { sm.append(s.substring(pos, s.length())); break; } else { sm.append(s.substring(pos, x + begin.length())); String oldValue = s.substring(x + begin.length(), y); String newValue = (String) values.get(oldValue); if (newValue == null) { newValue = oldValue; } sm.append(newValue); pos = y; } } return sm.toString(); } }