Here you can find the source of getParentPath(String path)
public static String getParentPath(String path)
//package com.java2s; /*//w ww . j a v a 2 s. co m * * Copyright 2001-2004 The Ant-Contrib project * * 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; public class Main { /** * Extracts the parent of a file */ public static String getParentPath(String path) { int pos = path.lastIndexOf(File.separator); if (pos <= 0) { return null; } return path.substring(0, pos); } }