Java SQL ResultSet Read getResultsAsMap(ResultSet rs)

Description

Get the first row of the ResultSet as Map, converting the column names to upper case.

License

Apache License

Parameter

Parameter	Description
rs	a parameter

Exception

Parameter	Description
SQLException	an exception

Return

the {columnLabel, value} mappings

Declaration

public static Map<String, Object> getResultsAsMap(ResultSet rs) throws SQLException 

Method Source Code

//package com.java2s;
/*******************************************************************************
 * Copyright 2011 Adrian Cristian Ionescu
 * //from w w  w .java2 s. c  o m
 * 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.
 ******************************************************************************/

import java.sql.ResultSet;
import java.sql.ResultSetMetaData;
import java.sql.SQLException;
import java.sql.Types;
import java.util.ArrayList;

import java.util.List;
import java.util.Map;
import java.util.TreeMap;

public class Main {
    /**
     * Get the first row of the ResultSet as Map, converting the column names to upper case.
     * 
     * @param rs
     * @return the {columnLabel, value} mappings
     * @throws SQLException
     */
    public static Map<String, Object> getResultsAsMap(ResultSet rs) throws SQLException {
        Map<String, Object> result = new TreeMap<String, Object>();
        ResultSetMetaData meta = rs.getMetaData();
        int count = meta.getColumnCount();
        List<String> colNames = new ArrayList<String>();
        for (int i = 1; i <= count; i++) {
            // colNames.add(meta.getColumnName(i).toLowerCase());
            colNames.add(meta.getColumnLabel(i).toUpperCase());
        }
        if (rs.next()) {
            for (int i = 1; i <= count; i++) {
                int colType = meta.getColumnType(i);
                if (colType == Types.DATE || colType == Types.TIMESTAMP) {
                    result.put(colNames.get(i - 1), rs.getTimestamp(i));
                } else {
                    result.put(colNames.get(i - 1), rs.getObject(i));
                }
            }
        }

        return result;
    }
}

Related

1. getRecordsFromResultSet(ResultSet rs)
2. getResult(ResultSet rs)
3. getResultArray(ResultSet resultSet, int size, java.util.Date startDate)
4. getResultByMap(ResultSet rs)
5. getResults(ResultSet result)
6. getResultSet(Connection c, String query)
7. getResultSet(Connection conn, String query)
8. getResultSet(Connection connection, String query)
9. getResultSet(String sql)