org.mockito.internal.creation.bytebuddy.TypeSupport Maven / Gradle / Ivy

/*
 * Copyright (c) 2021 Mockito contributors
 * This program is made available under the terms of the MIT License.
 */
package org.mockito.internal.creation.bytebuddy;

import org.mockito.exceptions.base.MockitoException;

import java.lang.reflect.Method;

class TypeSupport {

    static final TypeSupport INSTANCE;

    static {
        Method isSealed;
        try {
            isSealed = Class.class.getMethod("isSealed");
        } catch (NoSuchMethodException ignored) {
            isSealed = null;
        }
        INSTANCE = new TypeSupport(isSealed);
    }

    private final Method isSealed;

    private TypeSupport(Method isSealed) {
        this.isSealed = isSealed;
    }

    boolean isSealed(Class type) {
        if (isSealed == null) {
            return false;
        }
        try {
            return (boolean) isSealed.invoke(type);
        } catch (Throwable t) {
            throw new MockitoException(
                    "Failed to check if type is sealed using handle " + isSealed, t);
        }
    }
}