Class CSVImporter

java.lang.Object

org.knowm.xchart.CSVImporter

public class CSVImporter
extends Object

This class is used to create a Chart object from a folder containing one or more CSV files. The parent folder's name becomes the title of the chart. Each CSV file in the folder becomes a series on the chart. the CSV file's name becomes the series' name.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static enum	CSVImporter.DataOrientation
static class	CSVImporter.SeriesData

Constructor Summary

Constructors

Constructor	Description
CSVImporter()

Method Summary

Modifier and Type	Method	Description
private static File[]	getAllFiles(String dirName)	This method returns the Files found in the given directory
private static File[]	getAllFiles(String dirName, String regex)	This method returns the files found in the given directory matching the given regular expression.
private static List<Number>	getAxisData(String stringData)
static XYChart	getChartFromCSVDir(String path2Directory, CSVImporter.DataOrientation dataOrientation, int width, int height)
static XYChart	getChartFromCSVDir(String path2Directory, CSVImporter.DataOrientation dataOrientation, int width, int height, Styler.ChartTheme chartTheme)
private static String[]	getSeriesDataFromCSVColumns(File csvFile)
static CSVImporter.SeriesData	getSeriesDataFromCSVFile(String path2CSVFile, CSVImporter.DataOrientation dataOrientation)
private static String[]	getSeriesDataFromCSVRows(File csvFile)	Get the series's data from a file

Methods inherited from class Object

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

Constructor Details

CSVImporter

public CSVImporter()

Method Details

getChartFromCSVDir

public static XYChart getChartFromCSVDir(String path2Directory,
 CSVImporter.DataOrientation dataOrientation,
 int width,
 int height,
 Styler.ChartTheme chartTheme)

Parameters:

path2Directory -

dataOrientation -

width -

height -

chartTheme -

Returns:

getSeriesDataFromCSVFile

public static CSVImporter.SeriesData getSeriesDataFromCSVFile(String path2CSVFile,
 CSVImporter.DataOrientation dataOrientation)

getChartFromCSVDir

public static XYChart getChartFromCSVDir(String path2Directory,
 CSVImporter.DataOrientation dataOrientation,
 int width,
 int height)

Parameters:

path2Directory -

dataOrientation -

width -

height -

Returns:

getSeriesDataFromCSVRows

private static String[] getSeriesDataFromCSVRows(File csvFile)

Get the series's data from a file

Parameters:

csvFile -

Returns:

getSeriesDataFromCSVColumns

private static String[] getSeriesDataFromCSVColumns(File csvFile)

Parameters:

csvFile -

Returns:

getAxisData

private static List<Number> getAxisData(String stringData)

Parameters:

stringData -

Returns:

getAllFiles

private static File[] getAllFiles(String dirName,
 String regex)

This method returns the files found in the given directory matching the given regular expression.

Parameters:

dirName - - ex. "./path/to/directory/" *make sure you have the '/' on the end

regex - - ex. ".*.csv"

Returns:

File[] - an array of files

getAllFiles

private static File[] getAllFiles(String dirName)

This method returns the Files found in the given directory

Parameters:

dirName - - ex. "./path/to/directory/" *make sure you have the '/' on the end

Returns:

File[] - an array of files