is File name Safe, no space or meta characters - Android java.io

Android examples for java.io:File Name

  1. HOME
  2. Android
  3. java.io
  4. File Name

Description

is File name Safe, no space or meta characters

Demo Code

import java.io.File;
import java.util.regex.Pattern;

public class Main{
    /** Regular expression for safe filenames: no spaces or metacharacters */
    private static final Pattern SAFE_FILENAME_PATTERN = Pattern
            .compile("[\\w%+,./=_-]+");

    /**//from   w w  w  .  j a  v a2  s  . c o  m
     * Check if a filename is "safe" (no metacharacters or spaces).
     * @param file  The file to check
     */
    public static boolean isFilenameSafe(File file) {
        // Note, we check whether it matches what's known to be safe,
        // rather than what's known to be unsafe.  Non-ASCII, control
        // characters, etc. are all unsafe by default.
        return SAFE_FILENAME_PATTERN.matcher(file.getPath()).matches();
    }

}

Related Tutorials