NullArgumentException.java

  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. import org.apache.commons.math3.exception.util.Localizable;
  19. import org.apache.commons.math3.exception.util.LocalizedFormats;

  20. /**
  21.  * All conditions checks that fail due to a {@code null} argument must throw
  22.  * this exception.
  23.  * This class is meant to signal a precondition violation ("null is an illegal
  24.  * argument") and so does not extend the standard {@code NullPointerException}.
  25.  * Propagation of {@code NullPointerException} from within Commons-Math is
  26.  * construed to be a bug.
  27.  *
  28.  * @since 2.2
  29.  */
  30. public class NullArgumentException extends MathIllegalArgumentException {
  31.     /** Serializable version Id. */
  32.     private static final long serialVersionUID = -6024911025449780478L;

  33.     /**
  34.      * Default constructor.
  35.      */
  36.     public NullArgumentException() {
  37.         this(LocalizedFormats.NULL_NOT_ALLOWED);
  38.     }
  39.     /**
  40.      * @param pattern Message pattern providing the specific context of
  41.      * the error.
  42.      * @param arguments Values for replacing the placeholders in {@code pattern}.
  43.      */
  44.     public NullArgumentException(Localizable pattern,
  45.                                  Object ... arguments) {
  46.         super(pattern, arguments);
  47.     }
  48. }