src/java.base/share/classes/sun/reflect/misc/ReflectUtil.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 *
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package sun.reflect.misc;

import jdk.internal.reflect.Reflection;

public final class ReflectUtil {

    private ReflectUtil() {
    }

    /**
     * Ensures that access to a method or field is granted and throws
     * IllegalAccessException if not. This method is not suitable for checking
     * access to constructors.
     *
     * @param currentClass the class performing the access
     * @param memberClass the declaring class of the member being accessed
     * @param target the target object if accessing instance field or method;
     *               or null if accessing static field or method or if target
     *               object access rights will be checked later
     * @param modifiers the member's access modifiers
     * @throws IllegalAccessException if access to member is denied
     * @implNote Delegates directly to
     *           {@link Reflection#ensureMemberAccess(Class, Class, Class, int)}
     *           which should be used instead.
     */
    public static void ensureMemberAccess(Class<?> currentClass,
                                          Class<?> memberClass,
                                          Object target,
                                          int modifiers)
        throws IllegalAccessException
    {
        Reflection.ensureMemberAccess(currentClass,
                                      memberClass,
                                      target == null ? null : target.getClass(),
                                      modifiers);
    }
}