[IO-555] Add a FileSystem enum to provide legal file names

• Type: Improvement
• Status: Reopened
• Priority: Major
• Resolution: Unresolved
• Fix Version/s: 2.16.2
• Assignee: Gary D. Gregory
• Reporter: Gary D. Gregory
• Created: 15/Nov/17 04:04
• Updated: 08/Apr/24 16:56

Description

Add org.apache.commons.io.FilenameUtils.isIllegalWindowsFileName(char).

    /**
     * Checks whether the given character is illegal in a Windows file names.
     * <p>
     * The illegal character are:
     * </p>
     * <ul>
     * <li>< (less than</li>
     * <li>> (greater than</li>
     * <li>: (colon</li>
     * <li>" (double quote</li>
     * <li>/ (forward slash</li>
     * <li>\ (backslash</li>
     * <li>| (vertical bar or pipe</li>
     * <li>? (question mark</li>
     * <li>* (asterisk</li>
     * <li>ASCII NUL (0)</li>
     * <li>Integer characters 1 through 31</li>
     * <li>There may be other characters that the file name does not allow. Please see
     * <a href="https://msdn.microsoft.com/en-us/library/windows/desktop/aa365247(v=vs.85).aspx">Naming Files, Paths,
     * and Namespaces</a></li>
     * </ul>
     * 
     * @see <a href="https://msdn.microsoft.com/en-us/library/windows/desktop/aa365247(v=vs.85).aspx">Naming Files,
     *      Paths, and Namespaces</a>
     * @param c
     *            the character to check
     * @return whether the give character is legal
     * @since 2.7
     */

I use this method as a building block to create file names based on Strings from other sources.

A further contribution could be: String toLegalWindowsFileName(String input, char replacementChar)