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/*
* Copyright (c) 2012, Isode Limited, London, England.
* All rights reserved.
*/
package com.isode.stroke.base;
/**
* Helper to check for nulls.
*/
public class NotNull {
/**
* Throws a NullPointerException if null.
* @param o Object to check for non-nullness
*/
public static void exceptIfNull(Object o) {
if (o == null) {
throw new NullPointerException();
}
}
/**
* Throws a NullPointerException if null.
* @param o Object to check for non-nullness
* @param name Variable name to include in error.
*/
public static void exceptIfNull(Object o, String name) {
if (name == null) {
throw new NullPointerException("Variable name passed to exceptIfNull must not be null");
}
if (o == null) {
throw new NullPointerException(name + " must not be null");
}
}
}
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