net.jodah.failsafe.internal.util.Assert Maven / Gradle / Ivy
/*
* Copyright 2016 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License
*/
package net.jodah.failsafe.internal.util;
/**
* @author Jonathan Halterman
*/
public final class Assert {
private Assert() {
}
public static void isTrue(boolean expression, String errorMessageFormat, Object... args) {
if (!expression)
throw new IllegalArgumentException(String.format(errorMessageFormat, args));
}
public static T notNull(T reference, String parameterName) {
if (reference == null)
throw new NullPointerException(parameterName + " cannot be null");
return reference;
}
public static void state(boolean expression, String errorMessageFormat, Object... args) {
if (!expression)
throw new IllegalStateException(String.format(errorMessageFormat, args));
}
}