How a system knows what class it should use to create instance of TransformerFactory?

["Evgeniy Strokin (rT)" <ev...@yahoo.com>]

Hi,
I have a simple question:
When we write:
TransformerFactory tFactory =
TransformerFactory.newInstance();
How the system know which class it should use?
I tried print out System property
System.getProperty("javax.xml.transform.TransformerFactory")
but it returns null, but everything works perfectly,
it uses
org.apache.xalan.processor.TransformerFactoryImpl.
And how I can change it to another implementation?

Thanks, 
Jenya

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RE: How a system knows what class it should use to create instance of TransformerFactory?

[Gary L Peskin <ga...@firstech.com>]

Please see
<http://xml.apache.org/xalan-j/apidocs/javax/xml/transform/TransformerFa
ctory.html#newInstance()>

> -----Original Message-----
> From: Evgeniy Strokin (rT) [mailto:evgeniy_strokin@yahoo.com] 
> Sent: Friday, November 22, 2002 6:52 AM
> To: xalan-j-users@xml.apache.org
> Subject: How a system knows what class it should use to 
> create instance of TransformerFactory?
> 
> 
> Hi,
> I have a simple question:
> When we write:
> TransformerFactory tFactory =
> TransformerFactory.newInstance();
> How the system know which class it should use?
> I tried print out System property
> System.getProperty("javax.xml.transform.TransformerFactory")
> but it returns null, but everything works perfectly,
> it uses
> org.apache.xalan.processor.TransformerFactoryImpl.
> And how I can change it to another implementation?
> 
> Thanks, 
> Jenya
> 
> __________________________________________________
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