uk.org.ogsadai.converters.resultset.csv
Class TextColumnStrategy

java.lang.Object
  |
  +--uk.org.ogsadai.converters.resultset.csv.TextColumnStrategy

All Implemented Interfaces:

ColumnStrategy

public class TextColumnStrategy

extends java.lang.Object

implements ColumnStrategy

Strategy to retrieve a text value from the database.

Author:

The OGSA-DAI Team.

Field Summary

private static char[]	charBuffer
private static int	charBufferSize
private static java.lang.String	COPYRIGHT_NOTICE Copyright statement
private CSVConfigurator	mConfigurator Configurator object defining CSV file format

Constructor Summary

TextColumnStrategy(CSVConfigurator configurator)
Constructs strategy for textual fields.

Method Summary

void	convertField(java.lang.StringBuffer output, java.sql.ResultSet rs, int column) Convert a single field from the current row of the result set into string and appends them to the output string buffer.
private java.lang.String	prepareField(java.lang.String input) Searches for double quotes in input string and returns a string with each double quote escaped by preceeding double quote.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

COPYRIGHT_NOTICE

private static final java.lang.String COPYRIGHT_NOTICE

Copyright statement

See Also:

Constant Field Values

mConfigurator

private CSVConfigurator mConfigurator

Configurator object defining CSV file format

charBuffer

private static char[] charBuffer

charBufferSize

private static int charBufferSize

Constructor Detail

TextColumnStrategy

public TextColumnStrategy(CSVConfigurator configurator)

Constructs strategy for textual fields.

Parameters:

configurator - that defines CSV file format.

Method Detail

convertField

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

Description copied from interface: ColumnStrategy

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

Specified by:

convertField in interface ColumnStrategy

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

prepareField

private java.lang.String prepareField(java.lang.String input)

Searches for double quotes in input string and returns a string with each double quote escaped by preceeding double quote.

Parameters:

input - string

Returns:

string with escaped double quotes