Java Delete Directory deleteDirectory(File dir)

Description

Deletes dir and all files and subdirectories under dir.

License

Open Source License

Parameter

Parameter	Description
dir	the directory to delete

Return

true if all deletions were successful; false otherwise

Declaration

public static boolean deleteDirectory(File dir) 

Method Source Code

//package com.java2s;
import java.io.*;

import java.util.*;

public class Main {
    private static boolean IO_DEBUG = false;

    /**//ww w.j av a  2s. c  om
     * Deletes dir and all files and subdirectories under dir. (deletes dir also
     * if dir is a regular file!).
     *
     * @param dir the directory to delete
     * @return <code>true</code> if all deletions were successful;
     * <code>false</code> otherwise
     */
    public static boolean deleteDirectory(File dir) {
        return deleteDirectory(dir, null);
    }

    /**
     * Deletes dir and all files and subdirectories under dir (deletes dir also
     * if dir is a regular file!).
     *
     * @param dir the directory to delete
     * @param excludes files to exclude
     * @return <code>true</code> if all deletions were successful;
     * <code>false</code> otherwise
     */
    public static boolean deleteDirectory(File dir, Collection<File> excludes) {

        // Deletes all files and subdirectories under dir.
        // Returns true if all deletions were successful.
        // If a deletion fails, the method stops attempting to delete
        // and returns false.
        if (dir.isDirectory()) {
            String[] children = dir.list();
            for (String children1 : children) {
                boolean success = deleteDirectory(new File(dir, children1), excludes);
                if (!success) {
                    return false;
                }
            }
        }

        boolean exclude = false;

        if (excludes != null) {

            for (File f : excludes) {
                if (dir.getAbsolutePath().startsWith(f.getAbsolutePath())) {
                    exclude = true;
                    break;
                }
            }
        }

        if (excludes == null || !exclude) {
            // The directory is now empty so delete it
            boolean result = dir.delete();

            if (isDebugginEnabled()) {
                System.out.println("DELETE: " + result + ", " + dir);
            }

            return result;
        } else {
            return true;
        }
    }

    /**
     * @return the debug state
     */
    public static boolean isDebugginEnabled() {
        return IO_DEBUG;
    }
}

Related

1. deleteDirectory(File dir)
2. deleteDirectory(File dir)
3. deleteDirectory(File dir)
4. deleteDirectory(File dir)