As some one else pointed out, (and I forgot to add to my list), this is
probably the preferred way to manage "static" XML files such as
configurations etc. If you have more dynamic requirements, you may need to
consider one other the other alternatives.
Kirk
----- Original Message -----
From: "José González Gómez" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Friday, March 30, 2001 2:42 AM
Subject: Re: Using XML Parsers inside the EJB
I think the spirit of the spec is not letting you access a file that
couldn't be there because you don't have any knowledge about where will
your app be deployed. But what about using
ClassLoader.getSystemResourceAsStream to read a file included with the
application? Is this also forbidden?
Regards
Jose
Kirk Pepperdine wrote:
> The spec is clear, file system access is not allowed. However, I am not
> aware of any vendor who's container enforces this. I believe part of the
> 2.0 spec is to have the containers enforce this.
> You do have choices. You could use the Connection API and construct a
> connector to get the file. Or, you could pass the document to the bean.
In
> 2.0, you could use a message bean to do this. In 1.0 or 1.1, it could be
a
> call to the bean. You could just parse it outside of the bean, then pass
> the results to the bean.
>
> So, there are many ways to "skin this cat". Reading directly from a file
is
> not one of them.
>
> Kirk
>
> ----- Original Message -----
> From: "Alex, Prince Jacob (CTS)" <[EMAIL PROTECTED]>
> To: <[EMAIL PROTECTED]>
> Sent: Wednesday, March 28, 2001 3:30 AM
> Subject: Re: Using XML Parsers inside the EJB
>
>
> Hi,
>
> Yes you are right, as per the EJB specs file access from EJBs is not
> advised, but I have not found any problems in using parser from EJBs to
> parse XML files. May be it depends on the app server. But I have not
> implemented this kind of a solution in a production environment. May be
> somebody who have done extensive XML parsing using EJBs can give more
> valuable inputs.
>
>
> Regards
> Prince
>
> -----Original Message-----
> From: Anders Engström [mailto:[EMAIL PROTECTED]]
> Sent: Wednesday, March 28, 2001 3:10 PM
> To: [EMAIL PROTECTED]
> Subject: Re: Using XML Parsers inside the EJB
>
>
> Hi.
>
> Is this really allowed in the specs? As far as I can remember file
> access from EJBs is not advised. Concearning the original question -
> yes, using an xml-parser should work out nicely - even though the
> method might throw an IO-exception. As long as you're not accessing a
> local file to read the XML (the XML might origin from the DB och an
> URL).
>
>
> Wednesday, March 28, 2001, 11:04:06 AM, you wrote:
>
> APJC> You can even read an XML directly from a file using EJB. I have done
> this
> APJC> using a stateless session bean to parse an XML file using an helper
> class.
> APJC> You need to use any of the standard parsers to parse the XML
>
>>> Can I use XML parsers inside EJB?
>>> The methods that I use throw IO Exception.
>>>
>>> Is it allowed inside the container?
>>>
>
> --
> Best regards,
> Anders mailto:[EMAIL PROTECTED]
>
>
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