001/* 002 * BridJ - Dynamic and blazing-fast native interop for Java. 003 * http://bridj.googlecode.com/ 004 * 005 * Copyright (c) 2010-2013, Olivier Chafik (http://ochafik.com/) 006 * All rights reserved. 007 * 008 * Redistribution and use in source and binary forms, with or without 009 * modification, are permitted provided that the following conditions are met: 010 * 011 * * Redistributions of source code must retain the above copyright 012 * notice, this list of conditions and the following disclaimer. 013 * * Redistributions in binary form must reproduce the above copyright 014 * notice, this list of conditions and the following disclaimer in the 015 * documentation and/or other materials provided with the distribution. 016 * * Neither the name of Olivier Chafik nor the 017 * names of its contributors may be used to endorse or promote products 018 * derived from this software without specific prior written permission. 019 * 020 * THIS SOFTWARE IS PROVIDED BY OLIVIER CHAFIK AND CONTRIBUTORS ``AS IS'' AND ANY 021 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 022 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 023 * DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY 024 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 025 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 026 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 027 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 028 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 029 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 030 */ 031package org.bridj.util; 032 033import java.util.ArrayList; 034import java.util.Arrays; 035import java.util.LinkedList; 036import java.util.List; 037import java.util.StringTokenizer; 038import java.util.regex.Matcher; 039import java.util.regex.Pattern; 040 041public class StringUtils { 042 043 public static String implode(double[] array, String separator) { 044 StringBuffer out = new StringBuffer(); 045 boolean first = true; 046 for (double v : array) { 047 if (first) { 048 first = false; 049 } else { 050 out.append(separator); 051 } 052 out.append(v); 053 } 054 return out.toString(); 055 } 056 057 public static String implode(Object[] values) { 058 return implode(values, ", "); 059 } 060 061 public static String implode(Object[] values, Object separator) { 062 return implode(Arrays.asList(values), separator); 063 } 064 065 public static final <T> String implode(Iterable<T> elements, Object separator) { 066 String sepStr = separator.toString(); 067 StringBuilder out = new StringBuilder(); 068 boolean first = true; 069 for (Object s : elements) { 070 if (s == null) { 071 continue; 072 } 073 074 if (first) { 075 first = false; 076 } else { 077 out.append(sepStr); 078 } 079 out.append(s); 080 } 081 return out.toString(); 082 } 083 084 public static final String implode(Iterable<?> strings) { 085 return implode(strings, ", "); 086 } 087}