1 /* 2 * Copyright (C) Christian Schulte, 2005-206 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 9 * o Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 12 * o Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in 14 * the documentation and/or other materials provided with the 15 * distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, 18 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY 19 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL 20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * $JOMC: NullModelProvider.java 4613 2012-09-22 10:07:08Z schulte $ 29 * 30 */ 31 package org.jomc.modlet.test.support; 32 33 import org.jomc.modlet.Model; 34 import org.jomc.modlet.ModelContext; 35 import org.jomc.modlet.ModelException; 36 import org.jomc.modlet.ModelProvider; 37 38 /** 39 * {@code ModelProvider} test implementation returning {@code null}. 40 * 41 * @author <a href="mailto:cs@schulte.it">Christian Schulte</a> 1.0 42 * @version $JOMC: NullModelProvider.java 4613 2012-09-22 10:07:08Z schulte $ 43 */ 44 public final class NullModelProvider implements ModelProvider 45 { 46 47 public NullModelProvider() 48 { 49 super(); 50 } 51 52 public Model findModel( final ModelContext context, final Model model ) throws ModelException 53 { 54 if ( context == null ) 55 { 56 throw new NullPointerException( "context" ); 57 } 58 if ( model == null ) 59 { 60 throw new NullPointerException( "model" ); 61 } 62 63 context.setAttribute( NullModelProvider.class.getName(), this ); 64 return null; 65 } 66 67 }