Java tutorial
/* * Copyright 2014 Open mHealth * * 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.openmhealth.dsu.service; import org.openmhealth.dsu.domain.EndUser; import org.openmhealth.dsu.domain.EndUserUserDetails; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.security.core.userdetails.UserDetails; import org.springframework.security.core.userdetails.UserDetailsService; import org.springframework.security.core.userdetails.UsernameNotFoundException; import org.springframework.stereotype.Service; import java.util.Optional; /** * A user details service that loads user details from an end user service. * * @author Emerson Farrugia */ @Service public class EndUserUserDetailsServiceImpl implements UserDetailsService { @Autowired private EndUserService endUserService; @Override public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException { Optional<EndUser> user = endUserService.findUser(username); if (!user.isPresent()) { throw new UsernameNotFoundException("A user with username '" + username + "' doesn't exist."); } return new EndUserUserDetails(user.get().getUsername(), user.get().getPasswordHash()); } }