content: /*
   * Copyright (C) 2020 ActiveJ LLC.
   *
   * 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 io.activej.common.sql;
  
  import javax.sql.DataSource;
  import java.io.IOException;
  import java.io.InputStream;
  import java.sql.Connection;
  import java.sql.SQLException;
  import java.sql.Statement;
  
  import static java.nio.charset.StandardCharsets.UTF_8;
  
  public class SqlUtils {
  
  	public static void executeScript(DataSource dataSource, Class<?> clazz) throws SQLException, IOException {
  		executeScript(dataSource, clazz.getPackage().getName() + "/" + clazz.getSimpleName() + ".sql");
  	}
  
  	public static void executeScript(DataSource dataSource, String scriptName) throws SQLException, IOException {
  		String sql = new String(loadResource(scriptName), UTF_8);
  		execute(dataSource, sql);
  	}
  
  	public static void execute(DataSource dataSource, String sql) throws SQLException {
  		try (
  			Connection connection = dataSource.getConnection();
  			Statement statement = connection.createStatement()
  		) {
  			statement.execute(sql);
  		}
  	}
  
  	private static byte[] loadResource(String name) throws IOException {
  		try (InputStream stream = Thread.currentThread().getContextClassLoader().getResourceAsStream(name)) {
  			assert stream != null;
  			return stream.readAllBytes();
  		}
  	}
  
  }
  