1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one or more 3 * contributor license agreements. See the NOTICE file distributed with 4 * this work for additional information regarding copyright ownership. 5 * The ASF licenses this file to You under the Apache License, Version 2.0 6 * (the "License"); you may not use this file except in compliance with 7 * the License. You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18 package java.security; 19 20 /** 21 * {@code Guard} implementors protect access to other objects. 22 */ 23 public interface Guard { 24 25 /** 26 * Checks whether access to the specified {@code Object} should be granted. 27 * This method returns silently if access is granted, otherwise a {@code 28 * SecurityException} is thrown. 29 * 30 * @param object 31 * the object to be protected by this {@code Guard}. 32 * @throws SecurityException 33 * if access is not granted. 34 */ checkGuard(Object object)35 public void checkGuard(Object object) throws SecurityException; 36 } 37