Java Directory Clear cleanDirectory(File directory)

Description

clean Directory

License

Apache License

Declaration

public static void cleanDirectory(File directory) throws IOException 

Method Source Code

//package com.java2s;
//License from project: Apache License 

import java.io.File;

import java.io.IOException;

public class Main {

    public static void cleanDirectory(File directory) throws IOException {
        if (!directory.exists()) {
            String message = directory + " does not exist";
            throw new IllegalArgumentException(message);
        }/*from w w  w.  ja v  a  2  s.c o  m*/

        if (!directory.isDirectory()) {
            String message = directory + " is not a directory";
            throw new IllegalArgumentException(message);
        }

        File[] files = directory.listFiles();
        if (files == null) { // null if security restricted
            throw new IOException("Failed to list contents of " + directory);
        }

        IOException exception = null;
        for (File file : files) {
            try {
                delete(file);
            } catch (IOException ioe) {
                exception = ioe;
            }
        }

        if (null != exception) {
            throw exception;
        }
    }

    public static void delete(File fileOrDir) throws IOException {
        if (fileOrDir == null) {
            return;
        }

        if (fileOrDir.isDirectory()) {
            cleanDirectory(fileOrDir);
        }

        fileOrDir.delete();
    }
}

Related

1. cleanDirectory(File dir)
2. cleanDirectory(File dir, boolean deleteDirectory)
3. cleanDirectory(File directory)
4. cleanDirectory(File directory)
5. cleanDirectory(File directory)
6. cleanDirectory(File directory)
7. cleanDirectory(File directory)
8. cleanDirectory(File directory)
9. cleanDirectory(File directory)