Re: [xmlblaster-devel] xml parser and EJB support

[pra at mint.se]

On 17 Sep, Marcel Ruff wrote:
> Peter Antman wrote:
> 
>>Hi, I would like to have an OK on the following changes:
>>
>>1. Adding a JAXPFactory to utils where we can get new JAXP factorories
>>   by name.
>>
>>2. Adding methods to global:
>>
>>getSAXParserFactory
>>getDocumentBuilderFactory
>>getTransformerFactory
>>
> Yep, to org.xmlBlaster.engine.Global

Hi, I discovered that this is somewhat problematic. Both SaxHandlerBase
and XmlDBAdapter uses util.Global, not engine.Global. Any good reason
not to implement the methods there, in util.Global?

//Peter
> 
> Note that this global is a 'singleton' in repect to a server node.
> If you start 3 xmlBlaster servers in the same JVM, each
> of them has its own engine.Global with all its bootstraping informations
> and all its 'singletons' like SAXParserFactory.
> (So its no singleton in respect to the JVM).
> 
>>This will
>>a) Load either javax.xml.parsers.SAXParserFactory (or equiv) if
>>available in glob or use the crimson default.
>>b) Save an instance in glob and return that on future accesses.
>>
> Yep.
> 
>>3. Fix XmlKey to fo XmlToDom a glob and fix XmlProcessor to take a glob
>>   and to use an XMLProcessorImpl that uses glob to get the factory. 
>>
> Yep, this is the way to go, global is passed through to the classes
> to have its distinct environment.
> 
>>
>>Is this OK?
>>
>>//Peter
>>
> so long,
> 
> Marcel
> 
> PS: I have switched the discussion to the xmlblaster-devel mailing list
> and changed the subject

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Peter Antman             Technology in Media, Box 34105 100 26 Stockholm
Systems Architect        WWW: http://www.tim.se
Email: pra at tim.se        WWW: http://www.backsource.org
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