org.sf.charttaglibs
Class BaseChartTag

java.lang.Object
  javax.servlet.jsp.tagext.TagSupport
      javax.servlet.jsp.tagext.BodyTagSupport
          org.sf.charttaglibs.BaseHandlerTag
              org.sf.charttaglibs.BaseChartTag

All Implemented Interfaces:

javax.servlet.jsp.tagext.BodyTag, javax.servlet.jsp.tagext.IterationTag, javax.servlet.jsp.tagext.JspTag, java.io.Serializable, javax.servlet.jsp.tagext.Tag

Direct Known Subclasses:

CategoryBasedChart, PieBasedChart

public abstract class BaseChartTag

extends BaseHandlerTag

The base class that manage all chart-tags it's handle the common and default value for a JFreeChart graphics. All tags calsses must extends this class

Author:

mmohamed |at| dcc |dot| uchile |dot| cl

See Also:

Serialized Form

Field Summary

protected boolean	antiAlias
protected float	bgAlpha
protected java.lang.String	bgColor
protected org.jfree.chart.JFreeChart	chart
protected boolean	chartborder
protected int	chartHight
protected int	chartWidth
protected boolean	createLegend
protected boolean	createTooltip
protected boolean	createUrl
protected float	fgAlpha
private java.lang.String	filename
protected java.lang.String	src
protected java.lang.String	subtitle
protected java.lang.String	subtitlePosition
protected java.lang.String	title
protected java.lang.String	titlePosition
protected boolean	usemap

Fields inherited from class org.sf.charttaglibs.BaseHandlerTag

align, border, height, hspace, ismap, messages, name, vspace, width

Fields inherited from class javax.servlet.jsp.tagext.BodyTagSupport

bodyContent

Fields inherited from class javax.servlet.jsp.tagext.TagSupport

id, pageContext

Fields inherited from interface javax.servlet.jsp.tagext.BodyTag

EVAL_BODY_BUFFERED, EVAL_BODY_TAG

Fields inherited from interface javax.servlet.jsp.tagext.IterationTag

EVAL_BODY_AGAIN

Fields inherited from interface javax.servlet.jsp.tagext.Tag

EVAL_BODY_INCLUDE, EVAL_PAGE, SKIP_BODY, SKIP_PAGE

Constructor Summary

BaseChartTag()

Method Summary

int	doEndTag()
int	doStartTag() This method is invoked by the JSP container to parse the tag.
boolean	getAntiAlias()
float	getBgAlpha()
java.lang.String	getBgColor()
org.jfree.chart.JFreeChart	getChart()
boolean	getChartborder()
int	getChartHight()
int	getChartWidth()
private java.awt.Color	getColorByString(java.lang.String color) Geet a java.awt.Color using the input color, the color can by in hexadecimal notation #FFFFFF or some a predefine color Predefined colors black blue cyan darkgray green grey lightgray magenta orange pink red yellow white
boolean	getCreateLegend()
boolean	getCreateUrl()
float	getFgAlpha()
java.lang.String	getFileName() Execute the logic of the chart and save it to the server temporaly directory it'l return a null value if the char is null, otherwise it will the name of the generated file with image
protected java.util.Iterator	getIterator(java.lang.String name, java.lang.String property) Return an iterator for the option labels or values, based on our configured properties.
java.lang.String	getSrc()
java.lang.String	getSubtitle()
java.lang.String	getSubtitlePosition()
java.lang.String	getTitle()
java.lang.String	getTitlePosition()
boolean	getUsemap()
abstract void	initChart()
boolean	isCreateTooltip()
void	release() Release any acquired resources.
private void	renderImgTag() Render the tag IMG of the html standard
void	setAntiAlias(boolean antiAlias)
void	setBgAlpha(float bgAlpha)
void	setBgColor(java.lang.String bgColor)
void	setChart(org.jfree.chart.JFreeChart chart)
void	setChartborder(boolean chartborder)
void	setChartHight(int chartHight)
void	setChartWidth(int chartWidth)
void	setCreateLegend(boolean createLegend)
void	setCreateTooltip(boolean createToolTip)
void	setCreateUrl(boolean createUrl)
void	setFgAlpha(float fgAlpha)
void	setSrc(java.lang.String src)
void	setSubtitle(java.lang.String subTitle)
private void	setSubtitlePosition() Set the subtitle position
void	setSubtitlePosition(java.lang.String subtitlePosition)
void	setTitle(java.lang.String title)
private void	setTitlePosition() Set the title position
void	setTitlePosition(java.lang.String position)
void	setUsemap(boolean usemap)

Methods inherited from class org.sf.charttaglibs.BaseHandlerTag

getAlign, getAlt, getBorder, getElementClose, getHeight, getHspace, getIsmap, getName, getOnabort, getOnblur, getOnclick, getOnerror, getOnfocus, getOnload, getVspace, getWidth, isXhtml, lookupProperty, prepareAttribute, prepareHtmlElements, prepareJavaScriptsEvent, prepareOtherAttributes, setAlign, setAlt, setBorder, setHeight, setHspace, setIsmap, setName, setOnabort, setOnblur, setOnclick, setOnerror, setOnfocus, setOnload, setVspace, setWidth

Methods inherited from class javax.servlet.jsp.tagext.BodyTagSupport

doAfterBody, doInitBody, getBodyContent, getPreviousOut, setBodyContent

Methods inherited from class javax.servlet.jsp.tagext.TagSupport

findAncestorWithClass, getId, getParent, getValue, getValues, removeValue, setId, setPageContext, setParent, setValue

Methods inherited from class java.lang.Object

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

Methods inherited from interface javax.servlet.jsp.tagext.Tag

getParent, setPageContext, setParent

Field Detail

chart

protected org.jfree.chart.JFreeChart chart

src

protected java.lang.String src

title

protected java.lang.String title

subtitle

protected java.lang.String subtitle

chartborder

protected boolean chartborder

usemap

protected boolean usemap

antiAlias

protected boolean antiAlias

createLegend

protected boolean createLegend

createTooltip

protected boolean createTooltip

createUrl

protected boolean createUrl

bgColor

protected java.lang.String bgColor

titlePosition

protected java.lang.String titlePosition

subtitlePosition

protected java.lang.String subtitlePosition

fgAlpha

protected float fgAlpha

bgAlpha

protected float bgAlpha

chartWidth

protected int chartWidth

chartHight

protected int chartHight

filename

private java.lang.String filename

Constructor Detail

BaseChartTag

public BaseChartTag()

Method Detail

initChart

public abstract void initChart()
                        throws javax.servlet.jsp.JspException

Throws:

javax.servlet.jsp.JspException

getFileName

public java.lang.String getFileName()
                             throws javax.servlet.jsp.JspException

Execute the logic of the chart and save it to the server temporaly directory it'l return a null value if the char is null, otherwise it will the name of the generated file with image

Returns:

filename

Throws:

javax.servlet.jsp.JspException - if something go wrong

doStartTag

public int doStartTag()
               throws javax.servlet.jsp.JspException

This method is invoked by the JSP container to parse the tag. All common task are here

Throws:

javax.servlet.jsp.JspException

See Also:

Tag.doStartTag()

doEndTag

public int doEndTag()
             throws javax.servlet.jsp.JspException

Throws:

javax.servlet.jsp.JspException

renderImgTag

private void renderImgTag()
                   throws javax.servlet.jsp.JspException

Render the tag IMG of the html standard

Throws:

javax.servlet.jsp.JspException

setTitlePosition

private void setTitlePosition()

Set the title position

setSubtitlePosition

private void setSubtitlePosition()

Set the subtitle position

release

public void release()

Release any acquired resources.

Specified by:

release in interface javax.servlet.jsp.tagext.Tag

Overrides:

release in class BaseHandlerTag

getIterator

protected java.util.Iterator getIterator(java.lang.String name,
                                         java.lang.String property)
                                  throws javax.servlet.jsp.JspException

Return an iterator for the option labels or values, based on our configured properties.

Parameters:

name - Name of the bean attribute (if any)

property - Name of the bean property (if any)

Throws:

javax.servlet.jsp.JspException - if an error occurs

getColorByString

private java.awt.Color getColorByString(java.lang.String color)
                                 throws javax.servlet.jsp.JspException

Geet a java.awt.Color using the input color, the color can by in hexadecimal notation #FFFFFF or some a predefine color

Predefined colors

• black
• blue
• cyan
• darkgray
• green
• grey
• lightgray
• magenta
• orange
• pink
• red
• yellow
• white

Parameters:

color - HTML colors (#FFFFFF format) or a predefined color

Returns:

a java.awt.Color

Throws:

javax.servlet.jsp.JspException - if the color is null or the html format is not #ffffff

getSubtitle

public java.lang.String getSubtitle()

setSubtitle

public void setSubtitle(java.lang.String subTitle)

getTitle

public java.lang.String getTitle()

getChartborder

public boolean getChartborder()

setChartborder

public void setChartborder(boolean chartborder)

getSrc

public java.lang.String getSrc()

setSrc

public void setSrc(java.lang.String src)

setTitle

public void setTitle(java.lang.String title)

getUsemap

public boolean getUsemap()

setUsemap

public void setUsemap(boolean usemap)

getAntiAlias

public boolean getAntiAlias()

setAntiAlias

public void setAntiAlias(boolean antiAlias)

getChart

public org.jfree.chart.JFreeChart getChart()

setChart

public void setChart(org.jfree.chart.JFreeChart chart)

getTitlePosition

public java.lang.String getTitlePosition()

setTitlePosition

public void setTitlePosition(java.lang.String position)

getSubtitlePosition

public java.lang.String getSubtitlePosition()

setSubtitlePosition

public void setSubtitlePosition(java.lang.String subtitlePosition)

getFgAlpha

public float getFgAlpha()

setFgAlpha

public void setFgAlpha(float fgAlpha)

getBgAlpha

public float getBgAlpha()

setBgAlpha

public void setBgAlpha(float bgAlpha)

getBgColor

public java.lang.String getBgColor()

setBgColor

public void setBgColor(java.lang.String bgColor)

getCreateLegend

public boolean getCreateLegend()

setCreateLegend

public void setCreateLegend(boolean createLegend)

isCreateTooltip

public boolean isCreateTooltip()

setCreateTooltip

public void setCreateTooltip(boolean createToolTip)

getCreateUrl

public boolean getCreateUrl()

setCreateUrl

public void setCreateUrl(boolean createUrl)

getChartHight

public int getChartHight()

setChartHight

public void setChartHight(int chartHight)

getChartWidth

public int getChartWidth()

setChartWidth

public void setChartWidth(int chartWidth)