/*
* JBoss, Home of Professional Open Source
* Copyright Red Hat, Inc., and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* 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 org.jboss.aerogear.security.shiro.authz;
import org.jboss.aerogear.security.authz.IdentityManagement;
import org.jboss.aerogear.security.shiro.model.Role;
import org.jboss.aerogear.security.shiro.model.User;
import javax.enterprise.context.ApplicationScoped;
import javax.inject.Inject;
import javax.persistence.EntityManager;
import java.util.HashSet;
import java.util.Set;
/**
* <i>GrantMethods</i> implementation is a builder to apply roles to User
*/
@ApplicationScoped
public class GrantConfiguration implements IdentityManagement.GrantMethods<User> {
@Inject
private EntityManager entityManager;
private Set<Role> list;
/**
* This method specifies which roles will be applied to User
*
* @param roles Array of roles
* @return builder implementation
*/
public GrantConfiguration roles(String[] roles) {
list = new HashSet<Role>();
for (String name : roles) {
Role role = entityManager.createNamedQuery("Role.findByName", Role.class)
.setParameter("name", name)
.getSingleResult();
list.add(role);
}
return this;
}
/**
* This method applies roles specified on {@link org.jboss.aerogear.security.authz.IdentityManagement#grant(String...)}
*
* @param username represents a simple user's implementation to hold credentials.
*/
@Override
public void to(String username) {
User user = entityManager.createNamedQuery("User.findByUsername", User.class)
.setParameter("username", username)
.getSingleResult();
user.setRoles(list);
entityManager.merge(user);
}
}