org.deegree.graphics.charts
Class ChartConfig

java.lang.Object
  org.deegree.graphics.charts.ChartConfig

public class ChartConfig
extends Object

This class reads the configurations file for the charts and acts as a data class for the configurations It parses the configurations file according to a given schema and throws an exception if the parsing failed It also assigns default values to variables that are not mandatory and don't exist in the configs file

Version:

$Revision: $, $Date: 25 Apr 2008 13:50:16$

Author:

Moataz Elmasry, last edited by: $Author: elmasri$

Constructor Summary

ChartConfig(URL configsPath)
Takes in the path to the configurations file, parses it and holds its values

Method Summary

Color	getGenBackgroundColor()
String	getGenFontFamily()
double	getGenFontSize()
String	getGenFontType()
String	getGenRectangleInsets()
Color	getPieBaseSectionColor()
double	getPieInteriorGap()
double	getPieLabelGap()
Color	getPieShadowColor()
Color	getPlotBackgroundColor()
double	getPlotBackgroundOpacity()
double	getPlotForegroundOpacity()
protected Color	hexToColor(String hexDecimal, float alpha) It converts a hexdecimal to a awt.color instance
boolean	isGenAntiAliasing()
boolean	isGenBorderVisible()
boolean	isGenTextAntiAlias()
boolean	isLineRenderLines()
boolean	isLineRenderShapes()
boolean	isPieCircular()
boolean	isPlotOutlineVisible()
protected void	parseConfigurations(Element root) This is the main parsing method.
protected void	parseGeneralChartSettings(Element chartElem) Parses the general settings of the configurations file.
protected void	parseLinePlotSettings(Element lineplotElem) Parses the Line plot settings of the configurations file.
protected void	parsePiePlotSettings(Element pieplotElem) Parses the Pie plot settings of the configurations file.
protected void	parsePlotSettings(Element plotElem) Parses the plot settings of the configurations file.

Methods inherited from class java.lang.Object

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

Constructor Detail

ChartConfig

public ChartConfig(URL configsPath)
            throws SAXException,
                   IOException,
                   XMLParsingException

Takes in the path to the configurations file, parses it and holds its values

Parameters:

configsPath - XML file that contains the charts configurations

Throws:

SAXException

IOException

XMLParsingException

Method Detail

parseConfigurations

protected void parseConfigurations(Element root)
                            throws XMLParsingException

This is the main parsing method. It parses the four parts of the xml configurations file: GeneralSettings, PlotSettings, PiePlotSettings and LinePlotSettings

Parameters:

root -

Throws:

XMLParsingException

parseGeneralChartSettings

protected void parseGeneralChartSettings(Element chartElem)
                                  throws XMLParsingException

Parses the general settings of the configurations file. Refer to Resources for an example file and/or schema

Parameters:

chartElem -

Throws:

XMLParsingException

parsePlotSettings

protected void parsePlotSettings(Element plotElem)
                          throws XMLParsingException

Parses the plot settings of the configurations file. Refer to Resources for an example file and/or schema The plot is the actual chart, while everything outside it is the general settings

Parameters:

plotElem -

Throws:

XMLParsingException

parsePiePlotSettings

protected void parsePiePlotSettings(Element pieplotElem)
                             throws XMLParsingException

Parses the Pie plot settings of the configurations file. Refer to Resources for an example file and/or schema

Parameters:

pieplotElem -

Throws:

XMLParsingException

parseLinePlotSettings

protected void parseLinePlotSettings(Element lineplotElem)
                              throws XMLParsingException

Parses the Line plot settings of the configurations file. Refer to Resources for an example file and/or schema

Parameters:

lineplotElem -

Throws:

XMLParsingException

hexToColor

protected Color hexToColor(String hexDecimal,
                           float alpha)
                    throws NumberFormatException

It converts a hexdecimal to a awt.color instance

Parameters:

hexDecimal - it can start with # or not

alpha - between 0..1

Returns:

generated color

Throws:

NumberFormatException - if the given hex decimal could not be parsed.

isGenAntiAliasing

public boolean isGenAntiAliasing()

Returns:

is enabled Antialiasing for the chart

getGenBackgroundColor

public Color getGenBackgroundColor()

Returns:

Background color of the chart

isGenBorderVisible

public boolean isGenBorderVisible()

Returns:

is cart borders visible

getGenFontFamily

public String getGenFontFamily()

Returns:

font family of the chart

getGenFontSize

public double getGenFontSize()

Returns:

font size of the chart

getGenFontType

public String getGenFontType()

Returns:

font type of the chart

isPlotOutlineVisible

public boolean isPlotOutlineVisible()

Returns:

is chart outline visible

getGenRectangleInsets

public String getGenRectangleInsets()

Returns:

RectangleInsets of the chart

isGenTextAntiAlias

public boolean isGenTextAntiAlias()

Returns:

is enabled Text AntiAliasing

isLineRenderLines

public boolean isLineRenderLines()

Returns:

is enabled line rendering in Line Chart

isLineRenderShapes

public boolean isLineRenderShapes()

Returns:

is enabled shape rendering in Line Chart

getPieBaseSectionColor

public Color getPieBaseSectionColor()

Returns:

BaseSectionColor of Pie chart

isPieCircular

public boolean isPieCircular()

Returns:

is the Pie Chart circular

getPieInteriorGap

public double getPieInteriorGap()

Returns:

interior gap of the Pie chart

getPieLabelGap

public double getPieLabelGap()

Returns:

label gap of the Pie Chart

getPlotBackgroundColor

public Color getPlotBackgroundColor()

Returns:

Background color of the general plot

getPlotBackgroundOpacity

public double getPlotBackgroundOpacity()

Returns:

Background opacity of the general plot

getPlotForegroundOpacity

public double getPlotForegroundOpacity()

Returns:

Foreground opacity of the plot

getPieShadowColor

public Color getPieShadowColor()

Returns:

Shadow Color of the Pie Chart