com.nordija.tapestry.bayeux.stream.jfreechart
Class JFreeChartResource

java.lang.Object
  com.nordija.tapestry.bayeux.stream.jfreechart.JFreeChartResource

All Implemented Interfaces:

StreamResource

Direct Known Subclasses:

SimpleJFreeChartResource

public abstract class JFreeChartResource
extends java.lang.Object
implements StreamResource

This abstract class implements the writeTo(java.io.OutputStream) method so you don't have to concentrate on how to stream the actual chart. Use this if you are about to stream a JFreeChart.

Author:

Jacob von Eyben - Nordija A/S

Constructor Summary

JFreeChartResource(org.jfree.chart.JFreeChart chart)

Method Summary

java.lang.String	getContentType() Returns the content type matching the defined image format returned by getImageFormat()
abstract int	getHeight() The height of the streamed chart
abstract java.lang.String	getImageFormat() The image format of the chart.
abstract int	getWidth() The width of the streamed chart
void	writeTo(java.io.OutputStream out)

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.nordija.tapestry.bayeux.stream.StreamResource

getContentDisposition

Constructor Detail

JFreeChartResource

public JFreeChartResource(org.jfree.chart.JFreeChart chart)

Method Detail

getImageFormat

public abstract java.lang.String getImageFormat()

The image format of the chart. Can be one of the following:
ImageFormat.JPEG or ImageFormat.PNG

Returns:

a image format for the chart

getWidth

public abstract int getWidth()

The width of the streamed chart

Returns:

the width

getHeight

public abstract int getHeight()

The height of the streamed chart

Returns:

the height

writeTo

public void writeTo(java.io.OutputStream out)
             throws java.io.IOException

Specified by:

writeTo in interface StreamResource

Throws:

java.io.IOException

getContentType

public java.lang.String getContentType()

Returns the content type matching the defined image format returned by getImageFormat()

Specified by:

getContentType in interface StreamResource

Returns:

the content type for the jfree chart