Here you can find the source of rmr(File path)
static public boolean rmr(File path) throws IOException
//package com.java2s; /**//w w w. j a va2 s . co m * Licensed to Cloudera, Inc. under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. Cloudera, Inc. 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; import java.io.IOException; import com.google.common.base.Preconditions; public class Main { /** * rm -r equivalent -- remove file/dir recursively. * * Note that this function is extremely simplistic, and will traverse symlink * dirs, and happily delete its contents. * * TODO (jon) make it more like 'rm -r' unix behavoir: * http://joust.kano.net/weblog/archives/000071.html */ static public boolean rmr(File path) throws IOException { Preconditions.checkArgument(!path.getCanonicalPath().equals("/")); if (path.exists() && path.isDirectory()) { File[] files = path.listFiles(); for (int i = 0; i < files.length; i++) { rmr(files[i]); } } return path.delete(); } }