de.erichseifert.gral.io.data

Class CSVWriter

java.lang.Object

de.erichseifert.gral.io.IOCapabilitiesStorage

de.erichseifert.gral.io.data.AbstractDataWriter

de.erichseifert.gral.io.data.CSVWriter

All Implemented Interfaces:

DataWriter

public class CSVWriter
extends AbstractDataWriter

Class that writes all values of a DataSource to a character separated file. The file then stores the values separated by a certain delimiter character. The delimiter is chosen based on the file type but can also be set manually. By default the comma character will be used as a delimiter for separating columns. Lines end with a carriage return and a line feed character.

CSVWriter instances should be obtained by the DataWriterFactory rather than being created manually:

 DataWriterFactory factory = DataWriterFactory.getInstance();
 DataWriter writer = factory.get("text/csv");
 writer.write(data, new FileOutputStream(filename));
 

See Also:

RFC 4180

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	SEPARATOR_CHAR Key for specifying a Character value that defines the delimiting character used to separate columns.

Constructor Summary

Constructors

Constructor and Description
CSVWriter(java.lang.String mimeType) Creates a new instance with the specified MIME-Type.

Method Summary

Modifier and Type	Method and Description
void	write(DataSource data, java.io.OutputStream output) Stores the specified data source.

Methods inherited from class de.erichseifert.gral.io.data.AbstractDataWriter

getMimeType, getSetting, setSetting

Methods inherited from class de.erichseifert.gral.io.IOCapabilitiesStorage

getCapabilities

Methods inherited from class java.lang.Object

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

Field Detail

SEPARATOR_CHAR

public static final java.lang.String SEPARATOR_CHAR

Key for specifying a Character value that defines the delimiting character used to separate columns.

See Also:

Constant Field Values

Constructor Detail

CSVWriter

public CSVWriter(java.lang.String mimeType)

Creates a new instance with the specified MIME-Type. The delimiter is set depending on the MIME type parameter. By default a comma is used as a delimiter.

Parameters:

mimeType - MIME-Type of the output file.

Method Detail

write

public void write(DataSource data,
                  java.io.OutputStream output)
           throws java.io.IOException

Stores the specified data source.

Parameters:

data - DataSource to be stored.

output - OutputStream to be written to.

Throws:

java.io.IOException - if writing the data failed