Here you can find the source of getRelativeNameOrURL(File baseDir, File file)
public static String getRelativeNameOrURL(File baseDir, File file)
//package com.java2s; /**/*from w w w . j av a2s . c o m*/ * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You 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; public class Main { public static String getRelativeNameOrURL(File baseDir, File file) { String basePath = baseDir.getAbsolutePath(); String path = file.getAbsolutePath(); if (path.startsWith(basePath)) { return baseDir.toURI().relativize(file.toURI()).toString(); } else { return file.toURI().toString(); } } }