1 /*

     2  * Copyright (c) 2002-2016, the original author or authors.

     3  *

     4  * This software is distributable under the BSD license. See the terms of the

     5  * BSD license in the documentation provided with this software.

     6  *

     7  * http://www.opensource.org/licenses/bsd-license.php

     8  */

     9 package jdk.internal.jline.internal;

    10 

    11 // Some bits lifted from Guava's ( http://code.google.com/p/guava-libraries/ ) Preconditions.

    12 

    13 /**

    14  * Preconditions.

    15  *

    16  * @author <a href="mailto:jason@planet57.com">Jason Dillon</a>

    17  * @since 2.7

    18  */

    19 public class Preconditions

    20 {

    21     public static <T> T checkNotNull(final T reference) {

    22         if (reference == null) {

    23             throw new NullPointerException();

    24         }

    25         return reference;

    26     }

    27 }