Java Force Delete forceDelete(File file)

Description

force Delete

License

Apache License

Declaration

public static void forceDelete(File file) throws IOException 

Method Source Code

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

import java.io.File;

import java.io.FileNotFoundException;

import java.io.IOException;

public class Main {
    public static void forceDelete(File file) throws IOException {
        if (file.isDirectory()) {
            deleteDirectory(file);/*from   w  w w  . j  a  v a2 s . c o m*/
        } else {
            if (!file.exists())
                throw new FileNotFoundException("File does not exist: " + file);
            if (!file.delete()) {
                String message = "Unable to delete file: " + file;
                throw new IOException(message);
            }
        }
    }

    public static void deleteDirectory(File directory) throws IOException {
        if (!directory.exists())
            return;
        cleanDirectory(directory);
        if (!directory.delete()) {
            String message = "Unable to delete directory " + directory + ".";
            throw new IOException(message);
        } else {
            return;
        }
    }

    public static void cleanDirectory(File directory) throws IOException {
        if (!directory.exists()) {
            String message = directory + " does not exist";
            throw new IllegalArgumentException(message);
        }
        if (!directory.isDirectory()) {
            String message = directory + " is not a directory";
            throw new IllegalArgumentException(message);
        }
        File files[] = directory.listFiles();
        if (files == null)
            throw new IOException("Failed to list contents of " + directory);
        IOException exception = null;
        for (int i = 0; i < files.length; i++) {
            File file = files[i];
            try {
                forceDelete(file);
            } catch (IOException ioe) {
                exception = ioe;
            }
        }

        if (null != exception)
            throw exception;
        else
            return;
    }
}

Related

1. forceDelete(File f)
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