001    /*
002     * Copyright (C) 2014 XStream Committers.
003     * All rights reserved.
004     *
005     * Created on 23. January 2014 by Joerg Schaible
006     */
007    package com.thoughtworks.xstream.security;
008    
009    /**
010     * Permission for a type hierarchy with a name matching one in the provided list.
011     * 
012     * @author Jörg Schaible
013     * @since 1.4.7
014     */
015    public class TypeHierarchyPermission implements TypePermission {
016    
017        private Class type;
018    
019        /**
020         * @since 1.4.7
021         */
022        public TypeHierarchyPermission(Class type) {
023            this.type = type;
024        }
025    
026        public boolean allows(Class type) {
027            if (type == null)
028                return false;
029            return this.type.isAssignableFrom(type);
030        }
031    
032    }