uk.org.ogsadai.converters.resultset
Interface ColumnStrategy

All Known Implementing Classes:

BinaryColumnStrategy, BinaryColumnStrategy, NumberColumnStrategy, NumberColumnStrategy, TextColumnStrategy, TextColumnStrategy, UnknownColumnStrategy, UnknownColumnStrategy, UnsupportedColumnStrategy, UnsupportedColumnStrategy

public interface ColumnStrategy

A column strategy is responsible for converting the data from a single column of a java.sql.ResultSet into string.

Author:

The OGSA-DAI Project Team

convertField

public void convertField(java.lang.StringBuffer output,
                         java.sql.ResultSet rs,
                         int column)
                  throws java.sql.SQLException,
                         java.io.IOException

Convert a single field from the current row of the result set into string and appends them to the output string buffer.

Parameters:

output - output stream to write the converted bytes

rs - result set containing the field

column - index of the column within the current row containing the field

Throws:

java.sql.SQLException - if a database error occurs during the processing of the result set

java.io.IOException - if there is an error with accessing streams used in conversion