Here you can find the source of getRelativePathFile(String fileName)
public static File getRelativePathFile(String fileName)
//package com.java2s; /*/*w w w . j a va 2 s . co m*/ Copyright 2013 Philipp Leitner Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. */ import java.io.File; import java.nio.file.Path; import java.nio.file.Paths; public class Main { /** * Makes provided path relative to the current working directory. */ public static File getRelativePathFile(String fileName) { Path filePath = Paths.get(fileName); if (filePath.isAbsolute()) { Path currentPath = Paths.get("."); return currentPath.relativize(filePath).toFile(); } else return filePath.toFile(); } }