Java mkdir makeDirsFor(File file)

Description

Make the directories for the given file to exist in, if they don't already exist.

License

Open Source License

Parameter

Parameter	Description
file	non-null; the file to make directories for

Declaration

static public void makeDirsFor(File file) 

Method Source Code

//package com.java2s;
// the rights to use, copy, modify, merge, publish, distribute, sublicense,

import java.io.File;

public class Main {
    /**//from w ww .j  a v a  2s  . c o m
     * Make the directories for the given file to exist in, if they don't
     * already exist. That is, make directories for all but the last
     * component of the given file. Also make sure the final directory is
     * writable, throwing an exception if that is not the case.
     *
     * @param file non-null; the file to make directories for 
     */
    static public void makeDirsFor(File file) {
        if (file == null) {
            throw new NullPointerException("file == null");
        }

        File parent = file.getParentFile();

        if (!parent.exists()) {
            if (!parent.mkdirs()) {
                throw new RuntimeException("Unable to make directory: " + parent);
            }
        }

        if (!parent.isDirectory()) {
            throw new RuntimeException("Not a directory: " + parent);

        }

        if (!parent.canWrite()) {
            throw new RuntimeException("Unable to write to directory: " + parent);
        }
    }
}

Related

1. makedirs(String fileName)
2. makeDirs(String fileName, boolean hasFile)
3. makeDirs(String filePath)
4. makeDirs(String strBottomFoldName, String strFoldName)
5. makeDIRS(String[] dirs, File path)
6. makeDirsWhenNotExist(String filePath)