Here you can find the source of shorten(String s, int length, String suffix)
public static String shorten(String s, int length, String suffix)
//package com.java2s; /**//from w ww.j ava 2s . c om * Copyright (c) 2000-2003 Liferay Corporation * * 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. */ public class Main { public static String shorten(String s) { return shorten(s, 20); } public static String shorten(String s, int length) { return shorten(s, length, ".."); } public static String shorten(String s, String suffix) { return shorten(s, 20, suffix); } public static String shorten(String s, int length, String suffix) { if (s == null || suffix == null) { return null; } if (s.length() > length) { s = s.substring(0, length) + suffix; } return s; } public static String substring(String src, int begin, int end) { if (src == null || "".equals(src)) return ""; int len = src.length(); if (end > len) end = len; return src.substring(begin, end); } }