1 files changed, 46 insertions, 0 deletions
diff --git a/src/main/java/org/apache/commons/math3/exception/NullArgumentException.java b/src/main/java/org/apache/commons/math3/exception/NullArgumentException.java
new file mode 100644
index 0000000..301b7df
--- /dev/null
+++ b/src/main/java/org/apache/commons/math3/exception/NullArgumentException.java
@@ -0,0 +1,46 @@
+/*
+ * 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.math3.exception;
+
+import org.apache.commons.math3.exception.util.Localizable;
+import org.apache.commons.math3.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}. Propagation of {@code NullPointerException}
+ * from within Commons-Math is construed to be a bug.
+ *
+ * @since 2.2
+ */
+public class NullArgumentException extends MathIllegalArgumentException {
+    /** Serializable version Id. */
+    private static final long serialVersionUID = -6024911025449780478L;
+
+    /** Default constructor. */
+    public NullArgumentException() {
+        this(LocalizedFormats.NULL_NOT_ALLOWED);
+    }
+
+    /**
+     * @param pattern Message pattern providing the specific context of the error.
+     * @param arguments Values for replacing the placeholders in {@code pattern}.
+     */
+    public NullArgumentException(Localizable pattern, Object... arguments) {
+        super(pattern, arguments);
+    }
+}