|  | /* | 
|  | The MIT License | 
|  |  | 
|  | Copyright (c) 2004-2011 Paul R. Holser, Jr. | 
|  |  | 
|  | Permission is hereby granted, free of charge, to any person obtaining | 
|  | a copy of this software and associated documentation files (the | 
|  | "Software"), to deal in the Software without restriction, including | 
|  | without limitation the rights to use, copy, modify, merge, publish, | 
|  | distribute, sublicense, and/or sell copies of the Software, and to | 
|  | permit persons to whom the Software is furnished to do so, subject to | 
|  | the following conditions: | 
|  |  | 
|  | The above copyright notice and this permission notice shall be | 
|  | included in all copies or substantial portions of the Software. | 
|  |  | 
|  | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | 
|  | EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | 
|  | MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | 
|  | NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE | 
|  | LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION | 
|  | OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION | 
|  | WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | 
|  | */ | 
|  |  | 
|  | package joptsimple.internal; | 
|  |  | 
|  | /** | 
|  | * @author <a href="mailto:pholser@alumni.rice.edu">Paul Holser</a> | 
|  | */ | 
|  | public final class Objects { | 
|  | private Objects() { | 
|  | throw new UnsupportedOperationException(); | 
|  | } | 
|  |  | 
|  | /** | 
|  | * Rejects {@code null} references. | 
|  | * | 
|  | * @param target reference to check | 
|  | * @throws NullPointerException if {@code target} is {@code null} | 
|  | */ | 
|  | public static void ensureNotNull( Object target ) { | 
|  | if ( target == null ) | 
|  | throw new NullPointerException(); | 
|  | } | 
|  | } |