/*
 * Copyright 2010 the original author or authors.
 *
 * Licensed 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 samples.jaas;

import java.security.Principal;
import java.util.Collections;
import java.util.Set;

import org.springframework.security.authentication.jaas.AuthorityGranter;

/**
 * An AuthorityGranter that always grants "ROLE_USER".
 * 
 * @author Rob Winch
 */
public class RoleUserAuthorityGranter implements AuthorityGranter {

    public Set<String> grant(Principal principal) {
        return Collections.singleton("ROLE_USER");
    }
}
