io.vertx.core.impl.Arguments Maven / Gradle / Ivy
/*
* Copyright (c) 2011-2014 The original author or authors
* ------------------------------------------------------
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* and Apache License v2.0 which accompanies this distribution.
*
* The Eclipse Public License is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* The Apache License v2.0 is available at
* http://www.opensource.org/licenses/apache2.0.php
*
* You may elect to redistribute this code under either of these licenses.
*/
package io.vertx.core.impl;
/**
* Helper class to perform extended checks on arguments analogous to
* {@link java.util.Objects#requireNonNull(Object, String)}.
*/
public class Arguments {
/**
* Checks that the specified condition is fulfilled and throws a customized {@link IllegalArgumentException} if it
* is {@code false}.
* @param condition condition which must be fulfilled
* @param message detail message to be used in the event that a {@code
* IllegalArgumentException} is thrown
*/
public static void require(boolean condition, String message) {
if (!condition) {
throw new IllegalArgumentException(message);
}
}
/**
* Checks that the specified number is within the specified minimum and maximum range (inclusively) and throws a
* customized {@link IllegalArgumentException} if not.
* @param number value to check
* @param min minimum allowed value
* @param max maximum allowed value
* @param message detail message to be used in the event that a {@code
* IllegalArgumentException} is thrown
*/
public static void requireInRange(int number, int min, int max, String message) {
if (number < min || number > max) {
throw new IllegalArgumentException(message);
}
}
}