ro.allevo.fintpws.security.CustomUserDetailsService.java Source code

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Here is the source code for ro.allevo.fintpws.security.CustomUserDetailsService.java

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/*
* FinTP - Financial Transactions Processing Application
* Copyright (C) 2013 Business Information Systems (Allevo) S.R.L.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>
* or contact Allevo at : 031281 Bucuresti, 23C Calea Vitan, Romania,
* phone +40212554577, office@allevo.ro <mailto:office@allevo.ro>, www.allevo.ro.
*/

package ro.allevo.fintpws.security;

import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import javax.persistence.Persistence;
import javax.persistence.TypedQuery;

import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.core.userdetails.UsernameNotFoundException;

import ro.allevo.fintpws.model.UserEntity;
import ro.allevo.fintpws.resources.ApiResource;

public class CustomUserDetailsService implements UserDetailsService {

    @Override
    public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {

        EntityManagerFactory configEntityManagerFactory = Persistence
                .createEntityManagerFactory(ApiResource.PERSISTENCE_UNITNAME_CONFIG);
        EntityManager emc = configEntityManagerFactory.createEntityManager();

        final TypedQuery<UserEntity> query = emc.createNamedQuery("UserEntity.findByUsername", UserEntity.class);

        final java.util.List<UserEntity> results = query.setParameter("username", username).getResultList();

        if (!results.isEmpty()) {
            return results.get(0);
        }
        return null;

    }

}