/*
VisAD system for interactive analysis and visualization of numerical
data.  Copyright (C) 1996 - 2017 Bill Hibbard, Curtis Rueden, Tom
Rink, Dave Glowacki, Steve Emmerson, Tom Whittaker, Don Murray, and
Tommy Jasmin.

This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.

This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
Library General Public License for more details.

You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
MA 02111-1307, USA
*/

package visad.data;

/**
   FormFileInformer is the VisAD interface for checking system- and
   file-specific data from a file Form.

*/
public interface FormFileInformer
{
  /**
   * Check to see if the file name might be right for this form.
   * @param name   name of the file
   * @return  true if the name is right for this type of form
   */
  boolean isThisType(String name);

  /**
   * Check to see if the block contains the magic number for this form.
   * @param block   block of bytes from file
   * @return  true if the magic number is right
   */
  boolean isThisType(byte[] block);

  /**
   * Get default suffixes for files/URLs handeled by this form.
   * @return  array of suffixes 
   */
  String[] getDefaultSuffixes();
}