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Diffstat (limited to 'src/main/java/org/apache/commons/math/exception/NullArgumentException.java')
-rw-r--r-- | src/main/java/org/apache/commons/math/exception/NullArgumentException.java | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/src/main/java/org/apache/commons/math/exception/NullArgumentException.java b/src/main/java/org/apache/commons/math/exception/NullArgumentException.java new file mode 100644 index 0000000..e06d25f --- /dev/null +++ b/src/main/java/org/apache/commons/math/exception/NullArgumentException.java @@ -0,0 +1,50 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.apache.commons.math.exception; + +import org.apache.commons.math.exception.util.Localizable; +import org.apache.commons.math.exception.util.LocalizedFormats; + +/** + * All conditions checks that fail due to a {@code null} argument must throw + * this exception. + * This class is meant to signal a precondition violation ("null is an illegal + * argument") and so does not extend the standard {@code NullPointerException}. + * Proagation of {@code NullPointerException} from within Commons-Math is + * construed to be a bug. + * + * @since 2.2 + * @version $Revision$ $Date$ + */ +public class NullArgumentException extends MathIllegalArgumentException { + /** Serializable version Id. */ + private static final long serialVersionUID = -6024911025449780478L; + + /** + * Default constructor. + */ + public NullArgumentException() { + super(LocalizedFormats.NULL_NOT_ALLOWED); + } + /** + * @param specific Message pattern providing the specific context of + * the error. + */ + public NullArgumentException(Localizable specific) { + super(specific, LocalizedFormats.NULL_NOT_ALLOWED); + } +} |