org.wicketstuff.jasperreports
Class JRImageResource

java.lang.Object
  org.apache.wicket.Resource
      org.apache.wicket.markup.html.WebResource
          org.apache.wicket.markup.html.DynamicWebResource
              org.wicketstuff.jasperreports.JRResource
                  org.wicketstuff.jasperreports.JRImageResource

All Implemented Interfaces:

java.io.Serializable, org.apache.wicket.IClusterable, org.apache.wicket.IRequestListener, org.apache.wicket.IResourceListener

public final class JRImageResource
extends JRResource

Resource class for jasper reports PDF resources.

Author:

Eelco Hillenius

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.wicket.markup.html.DynamicWebResource

org.apache.wicket.markup.html.DynamicWebResource.ResourceState

Field Summary

Fields inherited from interface org.apache.wicket.IResourceListener

INTERFACE

Constructor Summary

JRImageResource()
Construct without a report.

JRImageResource(java.io.File report)
Construct.

JRImageResource(java.io.InputStream report)
Construct.

JRImageResource(java.net.URL report)
Construct.

Method Summary

java.lang.String	getContentType()
java.lang.String	getExtension() Returns the extension for the resource's file.
java.lang.String	getFormat() Gets the image type.
protected org.apache.wicket.markup.html.DynamicWebResource.ResourceState	getResourceState() Gets the binary data by getting a new instance of JasperPrint and an exporter for generating the output.
int	getType() Gets type of image (one of BufferedImage.TYPE_*).
float	getZoomRatio() Gets the zoom ratio.
net.sf.jasperreports.engine.JRAbstractExporter	newExporter() Called by getData to obtain an exporter instance.
void	setFormat(java.lang.String format) Sets the image type.
void	setType(int type) Sets type of image (one of BufferedImage.TYPE_*).
void	setZoomRatio(float ratio) Sets the zoom ratio.
protected byte[]	toImageData(java.awt.image.BufferedImage image)

Methods inherited from class org.wicketstuff.jasperreports.JRResource

getConnectionProvider, getFileName, getJasperReport, getReportDataSource, getReportParameters, newJasperPrint, setConnectionProvider, setFileName, setHeaders, setJasperReport, setReportDataSource, setReportParameters

Methods inherited from class org.apache.wicket.markup.html.DynamicWebResource

getLocale, getResourceStream

Methods inherited from class org.apache.wicket.markup.html.WebResource

configureResponse, getCacheDuration

Methods inherited from class org.apache.wicket.Resource

getParameters, invalidate, isCacheable, onResourceRequested, setCacheable, setParameters

Methods inherited from class java.lang.Object

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

Constructor Detail

JRImageResource

public JRImageResource()

Construct without a report. You must provide a report before you can use this resource.

JRImageResource

public JRImageResource(java.io.InputStream report)

Construct.

Parameters:

report - the report input stream

JRImageResource

public JRImageResource(java.net.URL report)

Construct.

Parameters:

report - the report input stream

JRImageResource

public JRImageResource(java.io.File report)

Construct.

Parameters:

report - the report input stream

Method Detail

newExporter

public final net.sf.jasperreports.engine.JRAbstractExporter newExporter()

Description copied from class: JRResource

Called by getData to obtain an exporter instance.

Specified by:

newExporter in class JRResource

Returns:

an exporter instance

See Also:

JRResource.newExporter()

getResourceState

protected org.apache.wicket.markup.html.DynamicWebResource.ResourceState getResourceState()

Description copied from class: JRResource

Gets the binary data by getting a new instance of JasperPrint and an exporter for generating the output.

Overrides:

getResourceState in class JRResource

Returns:

the binary data

See Also:

JRResource.getResourceState()

toImageData

protected byte[] toImageData(java.awt.image.BufferedImage image)

Parameters:

image - The image to turn into data

Returns:

The image data for this dynamic image

getContentType

public java.lang.String getContentType()

Specified by:

getContentType in class JRResource

Returns:

The content type of the reports

See Also:

JRResource.getContentType()

getZoomRatio

public float getZoomRatio()

Gets the zoom ratio.

Returns:

the zoom ratio used for the export. The default value is 1

setZoomRatio

public void setZoomRatio(float ratio)

Sets the zoom ratio.

Parameters:

ratio - the zoom ratio used for the export. The default value is 1

getFormat

public java.lang.String getFormat()

Gets the image type.

Returns:

the image type. The default value is 'png'

setFormat

public void setFormat(java.lang.String format)

Sets the image type.

Parameters:

format - the image type. The default value is 'png'

getType

public int getType()

Gets type of image (one of BufferedImage.TYPE_*).

Returns:

type of image

setType

public void setType(int type)

Sets type of image (one of BufferedImage.TYPE_*).

Parameters:

type - type of image

getExtension

public java.lang.String getExtension()

Description copied from class: JRResource

Returns the extension for the resource's file. This string should not contain the leading "."

Specified by:

getExtension in class JRResource

Returns:

The extension for the resource's file.

See Also:

JRResource.getExtension()