org.supercsv.io

Interface ICsvWriter

All Superinterfaces:

AutoCloseable, Closeable, Flushable

All Known Subinterfaces:

ICsvBeanWriter, ICsvDozerBeanWriter, ICsvListWriter, ICsvMapWriter, ICsvResultSetWriter

All Known Implementing Classes:

AbstractCsvWriter, CsvBeanWriter, CsvDozerBeanWriter, CsvListWriter, CsvMapWriter, CsvResultSetWriter

public interface ICsvWriter
extends Closeable, Flushable

The interface for CSV writers.

Author:

Kasper B. Graversen, James Bassett

Method Summary

Modifier and Type	Method and Description
int	getLineNumber() Gets the current position in the file.
int	getRowNumber() Gets the current row number (i.e.
void	writeComment(String comment) Writes a single-line comment to the CSV file (the comment must already include any special comment characters e.g.
void	writeHeader(String... header) Writes the header of the CSV file.

Methods inherited from interface java.io.Closeable

close

Methods inherited from interface java.io.Flushable

flush

Method Detail

getLineNumber

int getLineNumber()

Gets the current position in the file. The first line of the file is line number 1.

Returns:

the line number

Since:

1.0

getRowNumber

int getRowNumber()

Gets the current row number (i.e. the number of CSV records - including the header - that have been written). This differs from the lineNumber, which is the number of real lines that have been written to the file. The first row is row 1 (which is typically the header row).

Returns:

the current row number

Since:

2.0.0

writeComment

void writeComment(String comment)
           throws IOException

Writes a single-line comment to the CSV file (the comment must already include any special comment characters e.g. '#' at start). Please note that comments are not part of RFC4180, so this may make your CSV file less portable.

Parameters:

comment - the comment

Throws:

NullPointerException - if comment is null

IOException - if an I/O error occurs

Since:

2.1.0

writeHeader

void writeHeader(String... header)
          throws IOException

Writes the header of the CSV file.

Parameters:

header - one or more header Strings

Throws:

NullPointerException - if header is null

IOException - if an I/O error occurs

Since:

1.0