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 3851 2011-10-10 16:25:09Z schulte2005 $
029     *
030     */
031    package org.jomc.modlet.test.support;
032    
033    import org.jomc.modlet.Model;
034    import org.jomc.modlet.ModelContext;
035    import org.jomc.modlet.ModelException;
036    import org.jomc.modlet.ModelProcessor;
037    
038    /**
039     * {@code ModelProcessor} test implementation returning {@code null}.
040     *
041     * @author <a href="mailto:schulte2005@users.sourceforge.net">Christian Schulte</a> 1.0
042     * @version $JOMC: NullModelProcessor.java 3851 2011-10-10 16:25:09Z schulte2005 $
043     */
044    public 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    }