Método JDBC genérico para inserir um conjunto de resultados

if ( rs != null ) {
			
	String statement = "INSERT INTO " +	tableName +
		"( @COLUMNS ) VALUES( @PARAMETERS );";
				
	int columnCount = rs.getMetaData().getColumnCount();
				
	String columns = ""; 
	String parameters = "";
	for ( int i=0; i < columnCount; i++ ) {
		columns += rs.getMetaData().getColumnName(i+1) + ",";
		parameters += "?,";
	}
	columns = columns.substring(0, columns.length() - 1);
	parameters = parameters.substring(0, parameters.length() - 1);
				
	statement = statement.replace("@COLUMNS", columns);
	statement = statement.replace("@PARAMETERS", parameters);
				
	while ( rs.next() ) {
			
		stmt = conn.prepareStatement( statement );
					
		for ( int i=1; i <= columnCount; i++ ) {
						
			switch ( rs.getMetaData().getColumnType(i) ) {
					
				case Types.INTEGER : {
					stmt.setInt(i, rs.getInt(i));
					break;
				}
						
				case Types.SMALLINT : {
					stmt.setShort(i, rs.getShort(i));
					break;
				}
							
				case Types.CHAR : {
					stmt.setString(i, rs.getString(i));
					break;
				}
						
				case Types.VARCHAR : {
					stmt.setString(i, rs.getString(i));
					break;
				}
							
				case Schema.VARCHAR4000 : {
					stmt.setString(i, rs.getString(i));
					break;
				}
							
				case Types.TIMESTAMP : {
					stmt.setTimestamp(i, rs.getTimestamp(i));
					break;
				}
						
			}
						
		}

			
		stmt.execute();
		stmt.close();
					
		importCount++;
					
	}
					
}