com.github.mjeanroy.spring.mappers.commons.PreConditions Maven / Gradle / Ivy
/**
* The MIT License (MIT)
*
* Copyright (c) 2014
*
* 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 com.github.mjeanroy.spring.mappers.commons;
/**
* Static pre-conditions utilities.
*/
public final class PreConditions {
private PreConditions() {
}
/**
* Check that a given object is not null.
* If object is null, a {@link java.lang.NullPointerException} is thrown
* with given message.
* If object is not null, it is automatically returns.
*
* @param object Object to check.
* @param message Exception message.
* @param Object Generic Type.
* @return Non null object.
* @throws java.lang.NullPointerException if object is null.
*/
public static T notNull(T object, String message) {
if (object == null) {
throw new NullPointerException(message);
}
return object;
}
}