Constructor Detail

• FileUtil

  public FileUtil()

Method Detail

• listFiles

  public static Collection<File> listFiles​(String dir,
                                           String regex,
                                           boolean recurse)

  List all the files in a directory that match a regular expression

  Parameters:

  recurse - recurse to subdirectories?

  Throws:

  IllegalArgumentException - if dir is null

• copy

  public static void copy​(String srcFileName,
                          String destFileName)
                   throws IOException

  This may be a resource leak: http://bugs.sun.com/view_bug.do?bug_id=4724038 We may have to reconsider using nio for this, or apply one of the horrible workarounds listed in the bug report above.

  Throws:

  IOException

• deleteContents

  public static void deleteContents​(String directory)
                             throws IOException

  delete all files (recursively) in a directory. This is dangerous. Use with care.

  Throws:

  IOException - if there's a problem deleting some file

• createFile

  public static final FileOutputStream createFile​(String fileName)
                                           throws IOException

  Create a FileOutputStream corresponding to a particular file name. Delete the existing file if one exists.

  Throws:

  IOException

• readBytes

  public static byte[] readBytes​(InputStream s)
                          throws IOException

  read fully the contents of s and return a byte array holding the result

  Throws:

  IOException

• writeFile

  public static void writeFile​(File f,
                               String content)
                        throws IOException

  write string s into file f

  Parameters:

  f -

  content -

  Throws:

  IOException

• recurseFiles

  public static void recurseFiles​(VoidFunction<File> action,
                                  Predicate<File> filter,
                                  File top)