1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17 package org.apache.commons.math3.exception;
18
19 import org.apache.commons.math3.exception.util.Localizable;
20 import org.apache.commons.math3.exception.util.LocalizedFormats;
21
22 /**
23 * All conditions checks that fail due to a {@code null} argument must throw
24 * this exception.
25 * This class is meant to signal a precondition violation ("null is an illegal
26 * argument") and so does not extend the standard {@code NullPointerException}.
27 * Propagation of {@code NullPointerException} from within Commons-Math is
28 * construed to be a bug.
29 *
30 * @since 2.2
31 * @version $Id: NullArgumentException.java 1364378 2012-07-22 17:42:38Z tn $
32 */
33 public class NullArgumentException extends MathIllegalArgumentException {
34 /** Serializable version Id. */
35 private static final long serialVersionUID = -6024911025449780478L;
36
37 /**
38 * Default constructor.
39 */
40 public NullArgumentException() {
41 this(LocalizedFormats.NULL_NOT_ALLOWED);
42 }
43 /**
44 * @param pattern Message pattern providing the specific context of
45 * the error.
46 * @param arguments Values for replacing the placeholders in {@code pattern}.
47 */
48 public NullArgumentException(Localizable pattern,
49 Object ... arguments) {
50 super(pattern, arguments);
51 }
52 }