Java Object NVL nvl(T t, String message)

Description

Tests the passed object for nullness.

License

Apache License

Parameter

Parameter	Description
t	The object to test
message	The message to associate with the exception, Ignored if null

Return

the object passed in if not null

Declaration

public static <T> T nvl(T t, String message) 

Method Source Code

//package com.java2s;
//License from project: Apache License 

public class Main {
    /**/*w w  w  . j  a  v  a2 s .co  m*/
     * Tests the passed object for nullness. Throws an {@link IllegalArgumentException} if the object is null 
     * @param t  The object to test
     * @param message The message to associate with the exception, Ignored if null
     * @return the object passed in if not null
     */
    public static <T> T nvl(T t, String message) {
        if (t == null)
            throw new IllegalArgumentException(message != null ? message : "Null parameter");
        return t;
    }
}

Related

1. nvl(T o, T replacement)
2. nvl(T o, T valueIfNull)
3. nvl(T object, T defaultValue)
4. nvl(T s, T def)
5. nvl(T t, String message)
6. nvl(T value, String defValue)
7. nvl(T value, T defaultValue)
8. nvl(T value, T ifnull)
9. nvl(T value, T replacement)