001/*
002 * Copyright (C) 2014 XStream Committers.
003 * All rights reserved.
004 *
005 * Created on 23. January 2014 by Joerg Schaible
006 */
007package 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 */
015public 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}