/*
 * 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 Objects.requireNonNull(Object, String).
/** * 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 IllegalArgumentException if it is false.
Params:
  • condition – condition which must be fulfilled
  • message – detail message to be used in the event that a IllegalArgumentException is thrown
/** * 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 IllegalArgumentException if not.
Params:
  • number – value to check
  • min – minimum allowed value
  • max – maximum allowed value
  • message – detail message to be used in the event that a IllegalArgumentException is thrown
/** * 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); } } }