Guard.java

/*
 *  Licensed to the Apache Software Foundation (ASF) under one or more
 *  contributor license agreements.  See the NOTICE file distributed with
 *  this work for additional information regarding copyright ownership.
 *  The ASF licenses this file to You 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.
 */

package java.security;

/**
 * {@code Guard} implementors protect access to other objects.
 */
public interface Guard {

    /**
     * Checks whether access to the specified {@code Object} should be granted.
     * This method returns silently if access is granted, otherwise a {@code
     * SecurityException} is thrown.
     *
     * @param object
     *            the object to be protected by this {@code Guard}.
     * @throws SecurityException
     *             if access is not granted.
     */
    public void checkGuard(Object object) throws SecurityException;
}