/*
* Copyright (C) 2015 SoftIndex LLC.
*
* 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 io.datakernel.util;
public final class Preconditions {
private Preconditions() {}
public static void check(boolean expression) {
if (!expression) {
throw new RuntimeException();
}
}
public static void check(boolean expression, Object message) {
if (!expression) {
throw new RuntimeException(String.valueOf(message));
}
}
public static void check(boolean expression, String template, Object... args) {
if (!expression) {
throw new RuntimeException(String.format(template, args));
}
}
public static <T> T checkNotNull(T reference) {
if (reference == null) {
throw new NullPointerException();
}
return reference;
}
public static <T> T checkNotNull(T reference, Object message) {
if (reference == null) {
throw new NullPointerException(String.valueOf(message));
}
return reference;
}
public static <T> T checkNotNull(T reference, String template, Object... args) {
if (reference == null) {
throw new NullPointerException(String.format(template, args));
}
return reference;
}
public static void checkState(boolean expression) {
if (!expression) {
throw new IllegalStateException();
}
}
public static void checkState(boolean expression, Object message) {
if (!expression) {
throw new IllegalStateException(String.valueOf(message));
}
}
public static void checkState(boolean expression, String template, Object... args) {
if (!expression) {
throw new IllegalStateException(String.format(template, args));
}
}
public static void checkArgument(boolean expression) {
if (!expression) {
throw new IllegalArgumentException();
}
}
public static void checkArgument(boolean expression, Object message) {
if (!expression) {
throw new IllegalArgumentException(String.valueOf(message));
}
}
public static void checkArgument(boolean expression, String template, Object... args) {
if (!expression) {
throw new IllegalArgumentException(String.format(template, args));
}
}
}