cat.inspiracio.io

Class CSVWriter

java.lang.Object

cat.inspiracio.io.CSVWriter

public class CSVWriter
extends Object

Writes data in CSV format to somewhere. Spec http://tools.ietf.org/html/rfc4180. This class does not control that each record has the same number of fields.

Constructor Summary

Constructors

Constructor and Description
CSVWriter(Writer w) Makes a new CSVWriter that writes to the given writer.

Method Summary

Modifier and Type	Method and Description
void	close() Flushes and closes underlying writer.
protected void	endRecord()
void	flush()
void	setDelimiter(char c) Sets the delimiter of a field.
void	setSeparator(char s) Sets the field separator.
void	write(Object... fields) Writes some objects to CSV, each object as one more field in the current record.
void	writeln(Object... fields) Writes some objects to CSV, each object as one more field in the current record, and then writes a line ending to terminate the record, and flushes the underlying writer.

Methods inherited from class java.lang.Object

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

Constructor Detail

CSVWriter

public CSVWriter(Writer w)

Makes a new CSVWriter that writes to the given writer.

Parameters:

w - Where the data will go.

Method Detail

setSeparator

public void setSeparator(char s)

Sets the field separator. Normally it's ',' or ';'.

setDelimiter

public void setDelimiter(char c)

Sets the delimiter of a field. Accepts single or double quote.

write

public void write(Object... fields)
           throws IOException

Writes some objects to CSV, each object as one more field in the current record. The fields are always enclosed in the delimiters double quotes. The fields are escaped properly according to RFC4180. At the end, flushes the underlying writer.

Parameters:

fields - Meant for primitives and String. Other objects are converted to String by toString(), and null is represented "null".

Throws:

IOException - Writing has failed.

writeln

public void writeln(Object... fields)
             throws IOException

Writes some objects to CSV, each object as one more field in the current record, and then writes a line ending to terminate the record, and flushes the underlying writer. The fields are escaped properly according to RFC4180.

Parameters:

fields - Meant for primitives and String. Other objects are converted to String by toString(), and null is represented by "null".

Throws:

IOException - Writing has failed.

endRecord

protected void endRecord()
                  throws IOException

Throws:

IOException

flush

public void flush()
           throws IOException

Throws:

IOException

close

public void close()
           throws IOException

Flushes and closes underlying writer.

Throws:

IOException