nl.cwi.sen1.visplugin.csvexport
Class Exporter

java.lang.Object
  nl.cwi.sen1.visplugin.csvexport.Exporter

public class Exporter
extends java.lang.Object

CSV export functionality for RTuples

Author:

Chris Woolderink, Antoine Savelkoul

Nested Class Summary

static class

Exporter.ExportSelection Enumeration used to indicate which part of a RTuple should be exported to CSV

Constructor Summary

Exporter()

Method Summary

static void	export(nl.cwi.sen1.relationstores.types.RTuple rTuple, CsvWriter csvWriter, Exporter.ExportSelection selection) Writes the content of a RTupe to a CSV writer
private static void	exportColumnTypes(nl.cwi.sen1.relationstores.types.RTypeColumnTypes columnTypes, CsvWriter writer) Writes the data types as headers to the CvsWriter
private static void	exportData(nl.cwi.sen1.relationstores.types.RTuple rTuple, CsvWriter csvWriter) Writes the data of an rTuple to the CvsWriter
static void	exportToFile(nl.cwi.sen1.relationstores.types.RTuple rTuple, java.lang.String fileName, Exporter.ExportSelection selection) Writes the content of a RTuple to an CSV formatted file
private static java.lang.String	RElemToString(nl.cwi.sen1.relationstores.types.RElem elem) Converts the value of a simple RElem to a String

Methods inherited from class java.lang.Object

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

Constructor Detail

Exporter

public Exporter()

Method Detail

exportToFile

public static void exportToFile(nl.cwi.sen1.relationstores.types.RTuple rTuple,
                                java.lang.String fileName,
                                Exporter.ExportSelection selection)
                         throws java.io.IOException

Writes the content of a RTuple to an CSV formatted file

Parameters:

rTuple - the RTuple to be exported

fileName - the name of the output file

selection - indicates which information has to be exported

Throws:

java.io.IOException

export

public static void export(nl.cwi.sen1.relationstores.types.RTuple rTuple,
                          CsvWriter csvWriter,
                          Exporter.ExportSelection selection)
                   throws java.io.IOException

Writes the content of a RTupe to a CSV writer

Parameters:

rTuple - the RTuple to be exported

csvWriter - the CSV writer to produce the output

selection - indicates which information has to be exported

Throws:

java.io.IOException

exportData

private static void exportData(nl.cwi.sen1.relationstores.types.RTuple rTuple,
                               CsvWriter csvWriter)
                        throws java.io.IOException

Writes the data of an rTuple to the CvsWriter

Parameters:

rTuple - the RTuple to be exported

csvWriter - the CSV writer to produce the output

Throws:

java.io.IOException

exportColumnTypes

private static void exportColumnTypes(nl.cwi.sen1.relationstores.types.RTypeColumnTypes columnTypes,
                                      CsvWriter writer)
                               throws java.io.IOException

Writes the data types as headers to the CvsWriter

Parameters:

columnTypes - column types information that will be used as headers

writer - The CSV writer to produce the output

Throws:

java.io.IOException

RElemToString

private static java.lang.String RElemToString(nl.cwi.sen1.relationstores.types.RElem elem)

Converts the value of a simple RElem to a String

Parameters:

elem - the RElem to be converted

Returns:

the converted RElem