Java tutorial
/* * SonarQube, open source software quality management tool. * Copyright (C) 2008-2014 SonarSource * mailto:contact AT sonarsource DOT com * * SonarQube is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 3 of the License, or (at your option) any later version. * * SonarQube 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with this program; if not, write to the Free Software Foundation, * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ package org.sonar.server.user.db; import java.util.Date; import java.util.List; import javax.annotation.CheckForNull; import javax.annotation.Nullable; import org.apache.commons.lang.StringUtils; import org.apache.ibatis.session.RowBounds; import org.sonar.api.utils.System2; import org.sonar.core.persistence.DaoComponent; import org.sonar.core.persistence.DbSession; import org.sonar.core.user.GroupDto; import org.sonar.core.user.GroupMapper; import org.sonar.server.exceptions.NotFoundException; /** * @since 3.2 */ public class GroupDao implements DaoComponent { private static final String SQL_WILDCARD = "%"; private System2 system; public GroupDao(System2 system) { this.system = system; } public GroupDto selectByKey(DbSession session, String key) { GroupDto group = selectNullableByKey(session, key); if (group == null) { throw new NotFoundException(String.format("Could not find a group with name '%s'", key)); } return group; } @CheckForNull public GroupDto selectNullableByKey(DbSession session, String key) { return mapper(session).selectByKey(key); } public GroupDto selectById(DbSession dbSession, long groupId) { GroupDto group = selectNullableById(dbSession, groupId); if (group == null) { throw new NotFoundException(String.format("Could not find a group with id '%d'", groupId)); } return group; } @CheckForNull public GroupDto selectNullableById(DbSession dbSession, long groupId) { return mapper(dbSession).selectById(groupId); } public void deleteById(DbSession dbSession, long groupId) { mapper(dbSession).deleteById(groupId); } public int countByQuery(DbSession session, @Nullable String query) { return mapper(session).countByQuery(groupSearchToSql(query)); } public List<GroupDto> selectByQuery(DbSession session, @Nullable String query, int offset, int limit) { return mapper(session).selectByQuery(groupSearchToSql(query), new RowBounds(offset, limit)); } public GroupDto insert(DbSession session, GroupDto item) { Date createdAt = new Date(system.now()); item.setCreatedAt(createdAt).setUpdatedAt(createdAt); mapper(session).insert(item); return item; } public GroupDto update(DbSession session, GroupDto item) { item.setUpdatedAt(new Date(system.now())); mapper(session).update(item); return item; } public List<GroupDto> findByUserLogin(DbSession session, String login) { return mapper(session).selectByUserLogin(login); } private GroupMapper mapper(DbSession session) { return session.getMapper(GroupMapper.class); } private String groupSearchToSql(@Nullable String query) { String sql = SQL_WILDCARD; if (query != null) { sql = StringUtils.replace(StringUtils.upperCase(query), SQL_WILDCARD, "/%"); sql = StringUtils.replace(sql, "_", "/_"); sql = SQL_WILDCARD + sql + SQL_WILDCARD; } return sql; } }