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: NullModelProvider.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.ModelProvider; 037 038 /** 039 * {@code ModelProvider} test implementation returning {@code null}. 040 * 041 * @author <a href="mailto:schulte2005@users.sourceforge.net">Christian Schulte</a> 1.0 042 * @version $JOMC: NullModelProvider.java 3851 2011-10-10 16:25:09Z schulte2005 $ 043 */ 044 public final class NullModelProvider implements ModelProvider 045 { 046 047 public NullModelProvider() 048 { 049 super(); 050 } 051 052 public Model findModel( 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( NullModelProvider.class.getName(), this ); 064 return null; 065 } 066 067 }