Java tutorial
/** * Copyright 2014 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 de.inren.service.security; import java.util.ArrayList; import java.util.List; import javax.annotation.Resource; import org.apache.commons.collections.CollectionUtils; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Service; import org.springframework.transaction.annotation.Transactional; import de.inren.data.domain.security.Right; import de.inren.data.domain.security.Role; import de.inren.data.repositories.security.RoleRepository; /** * @author Ingo Renner * */ @Service(value = "roleService") @Transactional(readOnly = true) public class RoleServiceImpl implements RoleService { private final static Logger log = LoggerFactory.getLogger(RoleServiceImpl.class); @Resource RoleRepository roleRepository; @Autowired RightService rightService; private boolean initDone = false; @Override public void init() { if (!initDone) { log.info("RoleService init start."); rightService.init(); List<Role> roles = (List<Role>) roleRepository.findAll(); if (roles.isEmpty()) { List<Right> rights = rightService.loadAllRights(); for (Roles role : Roles.values()) { Role myRole = new Role(role.name(), role.name()); myRole.setRights(rights); roleRepository.save(myRole); } } initDone = true; log.info("RoleService init done."); } } @Override public Role findRoleByName(String name) { return roleRepository.findRoleByName(name); } @Override public List<Role> loadAllRoles() { List<Role> res = new ArrayList<Role>(); CollectionUtils.addAll(res, roleRepository.findAll().iterator()); return res; } @Override public Role save(Role role) { return roleRepository.save(role); } }