oracle.jbo.html.jsp.graph
Class GraphTag

java.lang.Object
javax.servlet.jsp.tagext.TagSupport
oracle.jbo.html.jsp.graph.GraphTag

All Implemented Interfaces:

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

public class GraphTag

extends javax.servlet.jsp.tagext.TagSupport

implements GraphConstants

See Also:

Serialized Form

Field Summary

protected static boolean	cleanupRegistered register listener to clean up
protected java.lang.Object	dataExpr
protected java.lang.String	graphType
protected int	graphTypeAsInt
protected static java.lang.String	prefixString unique prefix., used while generating key for image objects stored in the session.

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

id, pageContext

Fields inherited from interface oracle.jbo.html.jsp.graph.GraphConstants

BUBBLE_CHART, BUBBLE_CHART_DUAL_AXIS, BUBBLE_CHART_LABELS, BUBBLE_CHART_LABELS_DUAL_AXIS, CANDLE_STOCK_HI_LO_OPEN_CLOSE, CANDLE_STOCK_HI_LO_OPEN_CLOSE_VOLUME, HORIZONTAL_ABSOLUTE_AREA, HORIZONTAL_ABSOLUTE_LINE, HORIZONTAL_BI_POLAR_ABSOLUTE_AREA, HORIZONTAL_BI_POLAR_ABSOLUTE_LINE, HORIZONTAL_BI_POLAR_CLUSTERED_BARS, HORIZONTAL_BI_POLAR_STACKED_AREA, HORIZONTAL_BI_POLAR_STACKED_BARS, HORIZONTAL_BI_POLAR_STACKED_LINE, HORIZONTAL_CLUSTERED_BARS, HORIZONTAL_DUAL_AXIS_ABSOLUTE_LINE, HORIZONTAL_DUAL_AXIS_CLUSTERED_BARS, HORIZONTAL_DUAL_AXIS_STACKED_BARS, HORIZONTAL_DUAL_AXIS_STACKED_LINE, HORIZONTAL_HISTOGRAM, HORIZONTAL_PERCENT_AREA, HORIZONTAL_PERCENT_BARS, HORIZONTAL_PERCENT_LINE, HORIZONTAL_STACKED_AREA, HORIZONTAL_STACKED_BARS, HORIZONTAL_STACKED_LINE, MULTI_PIE, MULTI_PROPORTIONAL_PIE, MULTI_PROPORTIONAL_RING_PIE, MULTI_RING_PIE, OPEN_HI_LO_CLOSE_CANDLE_STOCK_CHART, OPEN_HI_LO_CLOSE_CANDLE_STOCK_CHART_VOLUME, PIE, PIE_BAR_CHART, POLAR, POLAR_DUAL_AXIS, RADAR_AREA, RADAR_LINE, RADAR_LINE_DUAL_AXIS, RING_PIE, RING_PIE_BAR_CHART, SPECTRAL_MAP, STOCK_HI_LO, STOCK_HI_LO_BI_POLAR, STOCK_HI_LO_CLOSE, STOCK_HI_LO_CLOSE_DUAL_AXIS, STOCK_HI_LO_DUAL_AXIS, STOCK_HI_LO_OPEN_CLOSE, STOCK_HI_LO_OPEN_CLOSE_BI_POLAR, STOCK_HI_LO_OPEN_CLOSE_DUAL_AXIS, STOCK_HI_LO_OPEN_CLOSE_VOLUME, STOCK_HI_LO_VOLUME, THREED_BARS, THREED_FLOATING_CONNECTED_GROUP_AREA, THREED_FLOATING_CONNECTED_GROUP_RIBBON, THREED_FLOATING_CONNECTED_SERIES_AREA, THREED_FLOATING_CONNECTED_SERIES_RIBBON, THREED_FLOATING_CUBES, THREED_FLOATING_PYRAMIDS, THREED_HONEYCOMB_SURFACE, THREED_OCTAGONS, THREED_PYRAMIDS, THREED_SURFACE, THREED_SURFACE_WITH_SIDES, VERTICAL_ABSOLUTE_AREA, VERTICAL_ABSOLUTE_LINE, VERTICAL_BI_POLAR_ABSOLUTE_AREA, VERTICAL_BI_POLAR_ABSOLUTE_LINE, VERTICAL_BI_POLAR_CLUSTERED_BARS, VERTICAL_BI_POLAR_STACKED_AREA, VERTICAL_BI_POLAR_STACKED_BARS, VERTICAL_BI_POLAR_STACKED_LINE, VERTICAL_CLUSTERED_BARS, VERTICAL_DUAL_AXIS_ABSOLUTE_LINE, VERTICAL_DUAL_AXIS_CLUSTERED_BARS, VERTICAL_DUAL_AXIS_STACKED_BARS, VERTICAL_DUAL_AXIS_STACKED_LINE, VERTICAL_HISTOGRAM, VERTICAL_PERCENT_AREA, VERTICAL_PERCENT_BARS, VERTICAL_PERCENT_LINE, VERTICAL_STACKED_AREA, VERTICAL_STACKED_BARS, VERTICAL_STACKED_LINE, XY_SCATTER, XY_SCATTER_DUAL_AXIS, XY_SCATTER_WITH_LABELS, XY_SCATTER_WITH_LABELS_DUAL_AXIS

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

GraphTag()

Method Summary

int	doEndTag() Graph tag body will include SingleTableGraph/MasterDetailGraph, which will supply the required data
int	doStartTag() Process the start tag for this instance.
static void	generateImage(javax.servlet.http.HttpServletResponse response, java.io.ByteArrayOutputStream bos)
static void	generateImage(javax.servlet.http.HttpSession session, javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response)
protected static java.lang.String	generateUniqueId() generated an unique id to identify chart., used in the url parameter
java.lang.Object	getData()
oracle.dss.graph.Graph	getGraph()
java.lang.String	getGraphType()
protected int	getGraphTypeAsInt()
static java.lang.String	getIDParamName()
int	getImageHeight()
int	getImageWidth()
java.lang.String	getServletName()
java.lang.String	getUsemap()
protected void	registerCleanup() register HTTP Session binding listner to cleanup the chart objects generated in this session
void	release() release() called after doEndTag() to reset state
static int	s2i(java.lang.String s)
void	setData(java.lang.Object dataExpr)
void	setGraphType(java.lang.String s)
protected void	setGraphTypeAsInt(int i)
void	setImageHeight(int height)
void	setImageWidth(int width)
void	setServletName(java.lang.String servletName)
void	setUsemap(java.lang.String usemap)
protected void	unregisterCleanup() unregister HTTP Session binding listner used to cleanup the chart objects generated in this session

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

doAfterBody, 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

Field Detail

graphType

protected java.lang.String graphType

graphTypeAsInt

protected int graphTypeAsInt

dataExpr

protected java.lang.Object dataExpr

cleanupRegistered

protected static boolean cleanupRegistered

register listener to clean up

prefixString

protected static java.lang.String prefixString

unique prefix., used while generating key for image objects stored in the session. Later used in cleanup when the session expires

Constructor Detail

GraphTag

public GraphTag()

Method Detail

getGraph

public oracle.dss.graph.Graph getGraph()

s2i

public static int s2i(java.lang.String s)

setGraphType

public void setGraphType(java.lang.String s)

getGraphType

public java.lang.String getGraphType()

setGraphTypeAsInt

protected void setGraphTypeAsInt(int i)

getGraphTypeAsInt

protected int getGraphTypeAsInt()

setImageWidth

public void setImageWidth(int width)

getImageWidth

public int getImageWidth()

setImageHeight

public void setImageHeight(int height)

getImageHeight

public int getImageHeight()

setServletName

public void setServletName(java.lang.String servletName)

getServletName

public java.lang.String getServletName()

getIDParamName

public static java.lang.String getIDParamName()

setData

public void setData(java.lang.Object dataExpr)

getData

public java.lang.Object getData()

setUsemap

public void setUsemap(java.lang.String usemap)

getUsemap

public java.lang.String getUsemap()

doStartTag

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

Process the start tag for this instance. The doStartTag() method assumes that all setter methods have been invoked before. When this method is invoked, the body has not yet been invoked.

Specified by:

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

Returns:

EVAL_BODY_INCLUDE if the tag wants to process body, SKIP_BODY if it does not want to process it.

Throws:

javax.servlet.jsp.JspException

doEndTag

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

Graph tag body will include SingleTableGraph/MasterDetailGraph, which will supply the required data

Specified by:

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

Throws:

javax.servlet.jsp.JspException

release

public void release()

release() called after doEndTag() to reset state

Specified by:

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

registerCleanup

protected void registerCleanup()

register HTTP Session binding listner to cleanup the chart objects generated in this session

unregisterCleanup

protected void unregisterCleanup()

unregister HTTP Session binding listner used to cleanup the chart objects generated in this session

generateUniqueId

protected static java.lang.String generateUniqueId()

generated an unique id to identify chart., used in the url parameter

generateImage

public static void generateImage(javax.servlet.http.HttpSession session,
                                 javax.servlet.http.HttpServletRequest request,
                                 javax.servlet.http.HttpServletResponse response)
                          throws javax.servlet.jsp.JspException

Throws:

javax.servlet.jsp.JspException

generateImage

public static void generateImage(javax.servlet.http.HttpServletResponse response,
                                 java.io.ByteArrayOutputStream bos)
                          throws javax.servlet.jsp.JspException

Throws:

javax.servlet.jsp.JspException