olg.csv.base
Class IgnoreNullWriter

java.lang.Object
  olg.csv.base.IgnoreNullWriter

All Implemented Interfaces:

Closeable, IWriter

public class IgnoreNullWriter
extends Object
implements IWriter

A "Proxy" writer which Provides a mecanism to skip empty row.

Field Summary

private static org.slf4j.Logger	LOGGER the class logger.
private int	nextRowNum num of the next row to write.
private IWriter	writer the original writer.

Constructor Summary

IgnoreNullWriter(IWriter writer)

Method Summary

void	addLine(String[] values) Write a row only if not empty.
void	addRow(Row row) writes a row only if not empty.
void	close() Close the original writer.
private boolean	isValid(Row row) Check if a row is not null and not empty.
private boolean	isValid(String[] values) Check if a row is not null and not empty.
boolean	isWithHeaders() Indicates if the file has a headers line.

Methods inherited from class java.lang.Object

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

Field Detail

LOGGER

private static final org.slf4j.Logger LOGGER

the class logger.

writer

private final IWriter writer

the original writer.

nextRowNum

private int nextRowNum

num of the next row to write.

Constructor Detail

IgnoreNullWriter

public IgnoreNullWriter(IWriter writer)

Parameters:

writer - a concret reader

Method Detail

close

public void close()

Close the original writer.

Specified by:

close in interface Closeable

addRow

public void addRow(Row row)

writes a row only if not empty.

Specified by:

addRow in interface IWriter

Parameters:

row - the row.

addLine

public void addLine(String[] values)

Write a row only if not empty.

Specified by:

addLine in interface IWriter

Parameters:

values - the row.

isWithHeaders

public boolean isWithHeaders()

Description copied from interface: IWriter

Indicates if the file has a headers line.

Specified by:

isWithHeaders in interface IWriter

Returns:

the original withHeaders attribute.

isValid

private boolean isValid(Row row)

Check if a row is not null and not empty.

Parameters:

row - the row

Returns:

true if the row is not null and not empty.

isValid

private boolean isValid(String[] values)

Check if a row is not null and not empty.

Parameters:

values - the row

Returns:

true if the row is not null and not empty.