Java tutorial
/* * Sakuli - Testing and Monitoring-Tool for Websites and common UIs. * * Copyright 2013 - 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 org.sakuli.services.receiver.database.dao.impl; import org.sakuli.datamodel.TestSuite; import org.sakuli.exceptions.SakuliException; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.jdbc.core.namedparam.NamedParameterJdbcDaoSupport; import org.springframework.jdbc.support.lob.LobHandler; import javax.sql.DataSource; import java.net.ConnectException; import java.util.Map; /** * @author tschneck * Date: 12.07.13 */ public abstract class Dao extends NamedParameterJdbcDaoSupport { protected final Logger logger = LoggerFactory.getLogger(this.getClass()); @Autowired protected TestSuite testSuite; @Autowired protected LobHandler lobHandler; public Dao(DataSource dataSource) throws SakuliException { try { if (dataSource == null) { throw new ConnectException("Cannot get a connection to the Database!"); } setDataSource(dataSource); } catch (Throwable e) { logger.debug("Suppressed Exception for missing DB connection: ", e); throw new RuntimeException("Database is not reachable, please check your 'db.properties' !!!"); } } public String createSqlSetStringForNamedParameter(Map<String, ?> paramMap) { String sql = "SET "; for (String key : paramMap.keySet()) { if (paramMap.get(key) != null) { sql = sql + key + "=:" + key + ", "; } } return sql.substring(0, sql.lastIndexOf(",")) + " "; } public void setTestSuite(TestSuite testSuite) { this.testSuite = testSuite; } public void setLobHandler(LobHandler lobHandler) { this.lobHandler = lobHandler; } }