Here you can find the source of getRelativePath(File baseFile, File file)
static public String getRelativePath(File baseFile, File file)
//package com.java2s; /*//from w w w.ja v a2s . c om * photo-manager is a program to manage and organize your photos; Copyright (C) 2010 Dietrich Hentschel * * This program is free software; you can redistribute it and/or modify it under the terms of the * GNU General Public License as published by the Free Software Foundation; * either version 2 of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * See the GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along with this program; * if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ import java.io.*; public class Main { static public String getRelativePath(File baseFile, File file) { String basePath = ""; String path = ""; basePath = baseFile.getAbsolutePath(); path = file.getAbsolutePath(); if (!basePath.endsWith(File.separator)) { basePath = basePath + File.separator; } if (path.indexOf(basePath) != 0) return ""; return path.substring(basePath.length()); } }