001    /*
002     * Licensed to the Apache Software Foundation (ASF) under one
003     * or more contributor license agreements.  See the NOTICE file
004     * distributed with this work for additional information
005     * regarding copyright ownership.  The ASF licenses this file
006     * to you under the Apache License, Version 2.0 (the
007     * "License"); you may not use this file except in compliance
008     * with the License.  You may obtain a copy of the License at
009     *
010     *     http://www.apache.org/licenses/LICENSE-2.0
011     *
012     * Unless required by applicable law or agreed to in writing,
013     * software distributed under the License is distributed on an
014     * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015     * KIND, either express or implied.  See the License for the
016     * specific language governing permissions and limitations
017     * under the License.
018     */
019    package org.apache.shiro.authz.permission;
020    
021    /**
022     * Interface implemented by a component that wishes to use any application-configured <tt>PermissionResolver</tt> that
023     * might already exist instead of potentially creating one itself.
024     *
025     * <p>This is mostly implemented by {@link org.apache.shiro.authz.Authorizer Authorizer} and
026     * {@link org.apache.shiro.realm.Realm Realm} implementations since they
027     * are the ones performing permission checks and need to know how to resolve Strings into
028     * {@link org.apache.shiro.authz.Permission Permission} instances.
029     *
030     * @author Les Hazlewood
031     * @since 0.9
032     */
033    public interface PermissionResolverAware {
034    
035        /**
036         * Sets the specified <tt>PermissionResolver</tt> on this instance.
037         *
038         * @param pr the <tt>PermissionResolver</tt> being set.
039         */
040        public void setPermissionResolver(PermissionResolver pr);
041    }