Verify.java
/*
* Copyright 2023 Markitect
*
* 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 dev.markitect.liquibase.base;
import com.google.errorprone.annotations.CanIgnoreReturnValue;
import org.checkerframework.checker.nullness.qual.Nullable;
public final class Verify {
public static void verify(boolean expression) {
if (!expression) {
throw new VerifyException();
}
}
public static void verify(boolean expression, @Nullable String errorMessage) {
if (!expression) {
throw new VerifyException(String.valueOf(errorMessage));
}
}
@CanIgnoreReturnValue
public static <T> T verifyNotNull(@Nullable T reference) {
if (reference == null) {
throw new VerifyException();
}
return reference;
}
@CanIgnoreReturnValue
public static <T> T verifyNotNull(@Nullable T reference, @Nullable String errorMessage) {
if (reference == null) {
throw new VerifyException(String.valueOf(errorMessage));
}
return reference;
}
private Verify() {}
}