| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.apache.qpid.server.store; |
| |
| import java.sql.Connection; |
| import java.sql.DatabaseMetaData; |
| import java.sql.PreparedStatement; |
| import java.sql.ResultSet; |
| import java.sql.SQLException; |
| |
| import org.slf4j.Logger; |
| |
| public class JdbcUtils |
| { |
| public static void closeConnection(final Connection conn, final Logger logger) |
| { |
| if(conn != null) |
| { |
| try |
| { |
| conn.close(); |
| } |
| catch (SQLException e) |
| { |
| logger.error("Problem closing connection", e); |
| } |
| } |
| } |
| |
| public static void closePreparedStatement(final PreparedStatement stmt, final Logger logger) |
| { |
| if (stmt != null) |
| { |
| try |
| { |
| stmt.close(); |
| } |
| catch(SQLException e) |
| { |
| logger.error("Problem closing prepared statement", e); |
| } |
| } |
| } |
| |
| public static boolean tableExists(final String tableName, final Connection conn) throws SQLException |
| { |
| DatabaseMetaData metaData = conn.getMetaData(); |
| ResultSet rs = metaData.getTables(null, null, "%", null); |
| |
| try |
| { |
| |
| while(rs.next()) |
| { |
| final String table = rs.getString(3); |
| if(tableName.equalsIgnoreCase(table)) |
| { |
| return true; |
| } |
| } |
| return false; |
| } |
| finally |
| { |
| rs.close(); |
| } |
| } |
| } |