/*
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.dods;
import dods.dap.*;
import visad.*;
/**
* Provides support for adapting a DODS {@link Attribute#UNKNOWN} attribute to
* the VisAD data-import context.
*
* <P>Instances are immutable.</P>
*
* @author Steven R. Emmerson
*/
public class UnknownAttributeAdapter
extends AttributeAdapter
{
private static final UnknownAttributeAdapter instance =
new UnknownAttributeAdapter();
private UnknownAttributeAdapter()
{}
/**
* Returns an instance of this class corresponding to a name and
* appropriate attribute.
*
* @param name The name of the attribute.
* @param attr The attribute. Must have the appropriate type.
*/
public static UnknownAttributeAdapter unknownAttributeAdapter(
String name, Attribute attr)
{
return instance;
}
/**
* Returns <code>null</code>.
*
* @param copy If true, then the data values are copied.
* @return <code>null</code>.
*/
public DataImpl data(boolean copy)
{
return null;
}
}