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.math.exception; 18 19 import org.apache.commons.math.exception.util.Localizable; 20 import org.apache.commons.math.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 * Proagation of {@code NullPointerException} from within Commons-Math is 28 * construed to be a bug. 29 * 30 * @since 2.2 31 * @version $Revision$ $Date$ 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 super(LocalizedFormats.NULL_NOT_ALLOWED); 42 } 43 /** 44 * @param specific Message pattern providing the specific context of 45 * the error. 46 */ 47 public NullArgumentException(Localizable specific) { 48 super(specific, LocalizedFormats.NULL_NOT_ALLOWED); 49 } 50 } 51
