Java tutorial
/* Copyright [2013-2014] eBay Software Foundation 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 com.ccoe.build.dal; import java.sql.Connection; import java.sql.PreparedStatement; import java.sql.SQLException; import javax.sql.DataSource; import org.springframework.dao.EmptyResultDataAccessException; import org.springframework.jdbc.core.JdbcTemplate; import org.springframework.jdbc.core.PreparedStatementCreator; import org.springframework.jdbc.support.GeneratedKeyHolder; import org.springframework.jdbc.support.KeyHolder; import com.ccoe.build.core.model.Plugin; import com.ccoe.build.core.utils.StringUtils; public class PluginJDBCTemplate { private DataSource dataSource; private JdbcTemplate jdbcTemplateObject; public void setDataSource(DataSource dataSource) { this.dataSource = dataSource; this.jdbcTemplateObject = new JdbcTemplate(dataSource); } public int create(final Plugin plugin) { final String SQL = "insert into RBT_PLUGIN (plugin_key, group_id, artifact_id, version, phase) values (?, ?, ?, ?, ?)"; KeyHolder keyHolder = new GeneratedKeyHolder(); jdbcTemplateObject.update(new PreparedStatementCreator() { public PreparedStatement createPreparedStatement(Connection connection) throws SQLException { PreparedStatement ps = connection.prepareStatement(SQL, new String[] { "id" }); ps.setString(1, plugin.getPluginKey()); ps.setString(2, plugin.getGroupId()); ps.setString(3, plugin.getArtifactId()); ps.setString(4, plugin.getVersion()); ps.setString(5, plugin.getPhaseName()); return ps; } }, keyHolder); return keyHolder.getKey().intValue(); } public Plugin getPlugin(String pluginKey) { if (StringUtils.isEmpty(pluginKey)) { return null; } String SQL = "select * from RBT_PLUGIN where plugin_key = ?"; try { Plugin plugin = jdbcTemplateObject.queryForObject(SQL, new Object[] { pluginKey }, new PluginMapper()); return plugin; } catch (EmptyResultDataAccessException e) { // empty } return null; } }