1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 */
19 package org.apache.myfaces.shared.util;
20
21 /***
22 * @author Mathias Broekelmann (latest modification by $Author: skitching $)
23 * @version $Revision: 676197 $ $Date: 2008-07-12 11:07:17 -0500 (Sat, 12 Jul 2008) $
24 */
25 public class Assert
26 {
27 public static void notNull(Object value)
28 {
29 if (value == null)
30 throw new NullPointerException("The instance is null.");
31 }
32
33 public static void notNull(Object value, String fieldName)
34 {
35 if (value == null)
36 throw new NullPointerException(fieldName + " is null.");
37 }
38 }