io.vertx.core.impl.Arguments Maven / Gradle / Ivy
/*
* Copyright (c) 2011-2019 Contributors to the Eclipse Foundation
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0
* which is available at https://www.apache.org/licenses/LICENSE-2.0.
*
* SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
*/
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);
}
}
}