ResultSet To List of Map - Java JDBC

Java examples for JDBC:ResultSet

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Description

ResultSet To List of Map

Demo Code


//package com.java2s;
import java.sql.ResultSet;
import java.sql.ResultSetMetaData;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

public class Main {
    public static List<Map<String, ?>> rsToList(ResultSet rs)
            throws SQLException {
        ResultSetMetaData md = rs.getMetaData();
        int columns = md.getColumnCount();
        List<Map<String, ?>> results = new ArrayList<Map<String, ?>>();
        while (rs.next()) {
            Map<String, Object> row = new HashMap<String, Object>();
            for (int i = 1; i <= columns; i++) {
                row.put(md.getColumnLabel(i).toUpperCase(), rs.getObject(i));
            }/*w ww. j a v a 2  s . c o m*/
            results.add(row);
        }
        return results;
    }
}

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