1 /* 2 * $Id: ColumnAliasRowProcessor.java 22580 2011-08-01 13:38:12Z evangelinamrm $ 3 * -------------------------------------------------------------------------------------- 4 * Copyright (c) MuleSoft, Inc. All rights reserved. http://www.mulesoft.com 5 * 6 * The software in this package is published under the terms of the CPAL v1.0 7 * license, a copy of which has been included with this distribution in the 8 * LICENSE.txt file. 9 */ 10 11 package org.mule.transport.jdbc; 12 13 import org.mule.util.CaseInsensitiveHashMap; 14 15 import java.sql.ResultSet; 16 import java.sql.ResultSetMetaData; 17 import java.sql.SQLException; 18 import java.util.Map; 19 20 import org.apache.commons.dbutils.BasicRowProcessor; 21 22 /** 23 * Processes a row from a {@link ResultSet} using the column labels 24 * instead of the column names. 25 * <p/> 26 * This is needed because some database drivers return different values for the 27 * column name and column label. {@link BasicRowProcessor} uses column names, 28 * so in the mentioned cases column aliases are lost and are only available for 29 * calculated values. 30 */ 31 public class ColumnAliasRowProcessor extends BasicRowProcessor 32 { 33 34 @Override 35 public Map toMap(ResultSet rs) throws SQLException 36 { 37 Map result = new CaseInsensitiveHashMap(); 38 ResultSetMetaData rsmd = rs.getMetaData(); 39 int cols = rsmd.getColumnCount(); 40 41 for (int i = 1; i <= cols; i++) 42 { 43 result.put(rsmd.getColumnLabel(i), rs.getObject(i)); 44 } 45 46 return result; 47 } 48 }