Is Inheritable : Super Class « Reflection « Java Tutorial

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//
//$Id: IntrospectionUtil.java 1540 2007-01-19 12:24:10Z janb $
//Copyright 2006 Mort Bay Consulting Pty. Ltd.
//------------------------------------------------------------------------
//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.
//


import java.lang.reflect.Member;
import java.lang.reflect.Modifier;

public class Utils {

  public static boolean isInheritable(Package pack, Member member) {
    if (pack == null)
      return false;
    if (member == null)
      return false;

    int modifiers = member.getModifiers();
    if (Modifier.isPublic(modifiers))
      return true;
    if (Modifier.isProtected(modifiers))
      return true;
    if (!Modifier.isPrivate(modifiers) && pack.equals(member.getDeclaringClass().getPackage()))
      return true;

    return false;
  }
}