org.millstone.webadapter
Class UIDLTransformerFactory

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

public class UIDLTransformerFactory

extends java.lang.Object

Class implementing the MillStone WebAdapter UIDLTransformer Factory. The factory creates and maintains a pool of transformers that are used for transforming UIDL to HTML.

Since:

3.0

Version:

3.0.3

Author:

IT Mill Ltd.

Nested Class Summary

protected class

UIDLTransformerFactory.SpoolManager Class for periodically remove unused transformers from memory.

Constructor Summary

UIDLTransformerFactory(ThemeSource themeSource, WebAdapterServlet webAdapterServlet, int maxConcurrentTransformers, long cacheTime)
Constructor for transformer factory.

Method Summary

UIDLTransformer	getTransformer(UIDLTransformerType type) Get new transformer of the specified type
void	releaseTransformer(UIDLTransformer transformer) Recycle a used transformer back to spool.

Methods inherited from class java.lang.Object

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

Constructor Detail

UIDLTransformerFactory

public UIDLTransformerFactory(ThemeSource themeSource,
                              WebAdapterServlet webAdapterServlet,
                              int maxConcurrentTransformers,
                              long cacheTime)

Constructor for transformer factory. Method UIDLTransformerFactory.

Parameters:

themeSource - Theme source to be used for themes.

webAdapterServlet - The Adapter servlet.

maxConcurrentTransformers - Maximum number of concurrent themes in use.

cacheTime - Time to cache the transformers.

Method Detail

getTransformer

public UIDLTransformer getTransformer(UIDLTransformerType type)
                               throws UIDLTransformerException

Get new transformer of the specified type

Parameters:

type - Type of the requested transformer.

Returns:

Created new transformer.

UIDLTransformerException

releaseTransformer

public void releaseTransformer(UIDLTransformer transformer)

Recycle a used transformer back to spool. One must guarantee not to use the transformer after it have been released.

Parameters:

transformer - UIDLTransformer to be recycled