de.laures.cewolf.taglib
Class ChartImageDefinition

java.lang.Object
  de.laures.cewolf.taglib.ChartImageDefinition

All Implemented Interfaces:

ChartHolder, ChartImage, java.io.Serializable

public class ChartImageDefinition
extends java.lang.Object
implements ChartImage, ChartHolder, java.io.Serializable

Serializable implementaton of a ChartImage.

Author:

glaures

See Also:

ChartImage, Serialized Form

Field Summary

Fields inherited from interface de.laures.cewolf.ChartImage

IMG_TYPE_CHART, IMG_TYPE_LEGEND

Constructor Summary

ChartImageDefinition(ChartHolder ch, int width, int height, int type, java.lang.String mimeType, int timeout)
Constructor for ChartImage

Method Summary

byte[]	getBytes() Writes out a cached image to an outputstream.
org.jfree.chart.JFreeChart	getChart() Returns a chart.
org.jfree.data.general.Dataset	getDataset() Returns the dataset produced when using this definition.
int	getHeight() Returns the height.
java.lang.String	getMimeType() Returns the mimeType.
org.jfree.chart.ChartRenderingInfo	getRenderingInfo()
int	getSize() Returns the size of the image in bytes.
java.util.Date	getTimeoutTime()
int	getType() Returns the type of the chart image.
int	getWidth() Returns the width.

Methods inherited from class java.lang.Object

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

Constructor Detail

ChartImageDefinition

public ChartImageDefinition(ChartHolder ch,
                            int width,
                            int height,
                            int type,
                            java.lang.String mimeType,
                            int timeout)

Constructor for ChartImage

Method Detail

getHeight

public int getHeight()

Returns the height.

Specified by:

getHeight in interface ChartImage

Returns:

int

getWidth

public int getWidth()

Returns the width.

Specified by:

getWidth in interface ChartImage

Returns:

int

getType

public int getType()

Description copied from interface: ChartImage

Returns the type of the chart image.

Specified by:

getType in interface ChartImage

Returns:

the type of the chart image

See Also:

ChartImage.IMG_TYPE_CHART, ChartImage.IMG_TYPE_LEGEND

getChart

public org.jfree.chart.JFreeChart getChart()
                                    throws DatasetProduceException,
                                           ChartValidationException,
                                           PostProcessingException

Description copied from interface: ChartHolder

Returns a chart.

Specified by:

getChart in interface ChartHolder

Returns:

the chart object for this definition

Throws:

DatasetProduceException - if there could be no data produced for the cahrt

PostProcessingException - if a post processor failed to process the chart

ChartValidationException

getDataset

public org.jfree.data.general.Dataset getDataset()
                                          throws DatasetProduceException

Description copied from interface: ChartHolder

Returns the dataset produced when using this definition.

Specified by:

getDataset in interface ChartHolder

Returns:

Object the dataset for this definition

Throws:

DatasetProduceException - if the dataset could not be produced

getMimeType

public java.lang.String getMimeType()

Returns the mimeType.

Specified by:

getMimeType in interface ChartImage

Returns:

String

getRenderingInfo

public org.jfree.chart.ChartRenderingInfo getRenderingInfo()
                                                    throws CewolfException

Throws:

CewolfException

getBytes

public byte[] getBytes()
                throws CewolfException

Description copied from interface: ChartImage

Writes out a cached image to an outputstream. This method only marks the object as accessed and therfore frees it for cache cleanup.

Specified by:

getBytes in interface ChartImage

Throws:

CewolfException

getSize

public int getSize()
            throws CewolfException

Description copied from interface: ChartImage

Returns the size of the image in bytes.

Specified by:

getSize in interface ChartImage

Returns:

size of the image

Throws:

CewolfException - if the size could not be determined

See Also:

ChartImage.getSize()

getTimeoutTime

public java.util.Date getTimeoutTime()

Specified by:

getTimeoutTime in interface ChartImage