Here you can find the source of deleteDirectory(File sourceDirectory, FilenameFilter filter, boolean recursive, boolean deleteItself)
| Parameter | Description |
|---|---|
| sourceDirectory | the directory to delete files from. |
| filter | the FilenameFilter to use for selecting files to delete. |
| recursive | boolean that specifies if we want to delete files recursively or not. |
public static boolean deleteDirectory(File sourceDirectory, FilenameFilter filter, boolean recursive, boolean deleteItself)
//package com.java2s; /* (c) 2015 Open Source Geospatial Foundation - all rights reserved * (c) 2001 - 2015 OpenPlans/*from ww w . j a v a 2 s. co m*/ * This code is licensed under the GPL 2.0 license, available at the root * application directory. */ import java.io.File; import java.io.FilenameFilter; public class Main { /** * Delete all the files with matching the specified {@link FilenameFilter} in the specified directory. * The method can work recursively. * * @param sourceDirectory the directory to delete files from. * @param filter the {@link FilenameFilter} to use for selecting files to delete. * @param recursive boolean that specifies if we want to delete files recursively or not. * */ public static boolean deleteDirectory(File sourceDirectory, FilenameFilter filter, boolean recursive, boolean deleteItself) { inputNotNull(sourceDirectory, filter); if (!sourceDirectory.exists() || !sourceDirectory.canRead() || !sourceDirectory.isDirectory()) throw new IllegalStateException( "Source is not in a legal state."); final File[] files = (filter != null ? sourceDirectory .listFiles(filter) : sourceDirectory.listFiles()); for (File file : files) { if (file.isDirectory()) { if (recursive) deleteDirectory(file, filter, recursive, deleteItself); } else { if (!file.delete()) return false; } } return deleteItself ? sourceDirectory.delete() : true; } /** * Checks if the input is not null. * @param oList list of elements to check for null. */ private static void inputNotNull(Object... oList) { for (Object o : oList) if (o == null) throw new NullPointerException( "Input objects cannot be null"); } }