org.millstone.webadapter
Class UIDLTransformer

java.lang.Object
  |
  +--org.millstone.webadapter.UIDLTransformer

public class UIDLTransformer

extends java.lang.Object

Class implementing the MillStone WebAdapter UIDLTransformer. The thansformer should not be created directly; it should be contructed using getTransformer() provided by UIDLTransformerFactory. After the transform has been done, the transformer can be recycled with releaseTransformer() by UIDLTransformerFactory.

Since:

3.0

Version:

3.0.3

Author:

IT Mill Ltd.

Nested Class Summary

protected class

UIDLTransformer.TransformerErrorHandler

Field Summary

protected static javax.xml.transform.TransformerFactory

xsltFactory XSLT factory

Constructor Summary

UIDLTransformer(UIDLTransformerType type, ThemeSource themes, WebAdapterServlet webAdapterServlet)
UIDLTransformer constructor.

Method Summary

WebPaintTarget	getPaintTarget(HttpVariableMap variableMap) Attach the output stream to transformer and get corresponding UIDLStream for writing UI description language trough transform to given output.
UIDLTransformerType	getTransformerType() Get the type of the transformer.
protected void	reset() Reset the transformer, before it can be used again.
void	transform(java.io.OutputStream outputStream) Transform the UIDL to HTML and output to the OutputStream.

Methods inherited from class java.lang.Object

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

Field Detail

xsltFactory

protected static javax.xml.transform.TransformerFactory xsltFactory

XSLT factory

Constructor Detail

UIDLTransformer

public UIDLTransformer(UIDLTransformerType type,
                       ThemeSource themes,
                       WebAdapterServlet webAdapterServlet)
                throws UIDLTransformerException

UIDLTransformer constructor.

Parameters:

type - Type of the transformer

themes - Theme implemented by the transformer

Throws:

UIDLTransformerException - UIDLTransformer exception is thrown, if the transform can not be created.

Method Detail

getTransformerType

public UIDLTransformerType getTransformerType()

Get the type of the transformer.

Returns:

Type of the transformer.

getPaintTarget

public WebPaintTarget getPaintTarget(HttpVariableMap variableMap)

Attach the output stream to transformer and get corresponding UIDLStream for writing UI description language trough transform to given output.

Parameters:

variableMap - The variable map used for UIDL creation.

Returns:

returns UI description language stream, that can be used for writing UIDL to transformer.

reset

protected void reset()

Reset the transformer, before it can be used again. This also interrupts any ongoing transform and thus should not be called before the transform is ready. This is automaticalled by the UIDLTransformFactory, when the UIDLTransformer has been released.

See Also:

UIDLTransformerFactory.releaseTransformer(UIDLTransformer)

transform

public void transform(java.io.OutputStream outputStream)
               throws UIDLTransformerException

Transform the UIDL to HTML and output to the OutputStream.

UIDLTransformerException