001/*
002 *   Copyright (C) Christian Schulte, 2005-206
003 *   All rights reserved.
004 *
005 *   Redistribution and use in source and binary forms, with or without
006 *   modification, are permitted provided that the following conditions
007 *   are met:
008 *
009 *     o Redistributions of source code must retain the above copyright
010 *       notice, this list of conditions and the following disclaimer.
011 *
012 *     o Redistributions in binary form must reproduce the above copyright
013 *       notice, this list of conditions and the following disclaimer in
014 *       the documentation and/or other materials provided with the
015 *       distribution.
016 *
017 *   THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
018 *   INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
019 *   AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
020 *   THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY DIRECT, INDIRECT,
021 *   INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
022 *   NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
023 *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
024 *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
025 *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
026 *   THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
027 *
028 *   $JOMC: NullModelProcessor.java 4613 2012-09-22 10:07:08Z schulte $
029 *
030 */
031package org.jomc.modlet.test.support;
032
033import org.jomc.modlet.Model;
034import org.jomc.modlet.ModelContext;
035import org.jomc.modlet.ModelException;
036import org.jomc.modlet.ModelProcessor;
037
038/**
039 * {@code ModelProcessor} test implementation returning {@code null}.
040 *
041 * @author <a href="mailto:cs@schulte.it">Christian Schulte</a> 1.0
042 * @version $JOMC: NullModelProcessor.java 4613 2012-09-22 10:07:08Z schulte $
043 */
044public final class NullModelProcessor implements ModelProcessor
045{
046
047    public NullModelProcessor()
048    {
049        super();
050    }
051
052    public Model processModel( final ModelContext context, final Model model ) throws ModelException
053    {
054        if ( context == null )
055        {
056            throw new NullPointerException( "context" );
057        }
058        if ( model == null )
059        {
060            throw new NullPointerException( "model" );
061        }
062
063        context.setAttribute( NullModelProcessor.class.getName(), this );
064        return null;
065    }
066
067}