Here you can find the source of concatPath(String path1, String path2)
public static String concatPath(String path1, String path2)
//package com.java2s; /*/* w w w . j a v a2 s. co m*/ * The MIT License * * Copyright 2015 iychoi. * * 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 concatPath(String path1, String path2) { StringBuffer sb = new StringBuffer(); sb.append("/"); if (path1 != null && !path1.isEmpty()) { if (path1.startsWith("/")) { sb.append(path1.substring(1, path1.length())); } else { sb.append(path1); } if (!path1.endsWith("/")) { sb.append("/"); } } if (path2 != null && !path2.isEmpty()) { if (path2.startsWith("/")) { sb.append(path2.substring(1, path2.length())); } else { sb.append(path2); } } return sb.toString(); } }