/*
* 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 org.apache.deltaspike.security.api.authorization;
import org.apache.deltaspike.core.api.config.view.metadata.DefaultCallback;
import java.io.Serializable;
import java.util.Set;
/**
* Interface for implementing concrete voters.
* A voter has to add an instance of
* {@link SecurityViolation} to the given result-set,
* if a restriction is detected.<p/>
* A voter has to be used in combination with
* {@link Secured}.<p/>
* A voter can use every scope which is active. It's recommended to use
* {@link javax.enterprise.context.ApplicationScoped} for stateless voters and e.g.
* {@link javax.enterprise.context.RequestScoped} otherwise.
*/
public interface AccessDecisionVoter extends Serializable
{
/**
* Checks the permission for the given {@link javax.interceptor.InvocationContext}.
* If a violation is detected, it should be added to a set which gets returned by the method.
*
* @param accessDecisionVoterContext current access-decision-voter-context
* @return a set which contains violations which have been detected
*/
@DefaultCallback
Set<SecurityViolation> checkPermission(AccessDecisionVoterContext accessDecisionVoterContext);
}