org.wicketstuff.jasperreports

Class JRImageResource

java.lang.Object

org.apache.wicket.request.resource.AbstractResource

org.wicketstuff.jasperreports.JRResource

org.wicketstuff.jasperreports.JRImageResource

All Implemented Interfaces:

Serializable, org.apache.wicket.request.resource.IResource, org.apache.wicket.util.io.IClusterable

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.request.resource.AbstractResource

org.apache.wicket.request.resource.AbstractResource.ContentRangeType, org.apache.wicket.request.resource.AbstractResource.ResourceResponse, org.apache.wicket.request.resource.AbstractResource.WriteCallback

Nested classes/interfaces inherited from interface org.apache.wicket.request.resource.IResource

org.apache.wicket.request.resource.IResource.Attributes

Field Summary

Fields inherited from class org.apache.wicket.request.resource.AbstractResource

CONTENT_DISPOSITION_HEADER_NAME, CONTENT_RANGE_ENDBYTE, CONTENT_RANGE_STARTBYTE, INTERNAL_HEADERS

Constructor Summary

Constructors

Constructor and Description
JRImageResource() Construct without a report.
JRImageResource(File report) Construct.
JRImageResource(InputStream report) Construct.
JRImageResource(URL report) Construct.

Method Summary

Methods

Modifier and Type	Method and Description
String	getContentType()
protected byte[]	getExporterData(net.sf.jasperreports.engine.JasperPrint print, net.sf.jasperreports.engine.JRAbstractExporter exporter)
String	getExtension() Returns the extension for the resource's file.
String	getFormat() Gets the image type.
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(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(BufferedImage image)

Methods inherited from class org.wicketstuff.jasperreports.JRResource

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

Methods inherited from class org.apache.wicket.request.resource.AbstractResource

configureCache, getCachingStrategy, respond, setRequestMetaData, setRequestRangeMetaData, setResponseContentRangeHeaderFields, setResponseHeaders

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(InputStream report)

Construct.

Parameters:

report - the report input stream

JRImageResource

public JRImageResource(URL report)

Construct.

Parameters:

report - the report input stream

JRImageResource

public JRImageResource(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()

getExporterData

protected byte[] getExporterData(net.sf.jasperreports.engine.JasperPrint print,
                     net.sf.jasperreports.engine.JRAbstractExporter exporter)
                          throws net.sf.jasperreports.engine.JRException

Overrides:

getExporterData in class JRResource

Throws:

net.sf.jasperreports.engine.JRException

toImageData

protected byte[] toImageData(BufferedImage image)

Parameters:

image - The image to turn into data

Returns:

The image data for this dynamic image

getContentType

public 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 String getFormat()

Gets the image type.

Returns:

the image type. The default value is 'png'

setFormat

public void setFormat(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 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()