code: @Override
      public boolean accept(final File aDir, final String aFileName) {
          for (final String extension : myExtensions) {
              if (new File(aDir, aFileName).isFile() && aFileName.endsWith(extension)) {
                  return true;
              }
          }
  
          return false;
      }
docs: Returns true if the supplied file name and parent directory are a match for this <code>FilenameFilter</code>.
  
  @param aDir A parent directory for the supplied file name
  @param aFileName The file name we want to check against our filter
  @return True if the filter matches the supplied parent and file name; else, false