Re: Using XML for audit trail

Thanks.  Fragments seem to be the way to go.  I don't actually need a log to
even combine them into a log document.  I will simply be looping through
them and displaying them in a UI (or on a report).  No querying or anything
complicated.
-Mont


On Fri, Feb 27, 2009 at 12:51 PM, Sam Baskinger
<[email protected]>wrote:

> Hi Mont,
>
> The example system I had in mind was log4net
> <http://logging.apache.org/log4net/>which has an XML Layout
> class<%20
> http://logging.apache.org/log4net/release/sdk/log4net.Layout.XmlLayout.html
> >.
> I've only used its log4j cousin to log Java activity with no problems. The
> reason is that it functions very much like John's structured text logging
> only XML records with no surrounding "root" tag. CSV or XML, they will both
> require some massaging to convert into a single XML log document instead of
> a collection of records.
>
> Hope that helps!
>
> Sam
>
>
>
> On Fri, Feb 27, 2009 at 12:22 PM, Mont Rothstein
> <[email protected]>wrote:
>
> > Sam,
> >
> > Do you have any insight into the size and volume of the logs in these
> > systems.  John indicated that they had failures using XML for logging.
> >  Have
> > you seen this?
> >
> > Thanks,
> > -Mont
> >
> >
> > On Fri, Feb 27, 2009 at 7:38 AM, Sam Baskinger <
> [email protected]
> > >wrote:
> >
> > > FWIW, other systems use many small XML documents (xml records) that are
> > > appended to a file. Reading the log is then reading many XML documents
> in
> > a
> > > row.
> > >
> > > Sam
> > >
> > > On Fri, Feb 27, 2009 at 2:31 AM, Ryan Heath <[email protected]>
> > > wrote:
> > >
> > > > You may want to read xml fragments.
> > > > See [0] for a good example.
> > > >
> > > > HTH
> > > > // Ryan
> > > >
> > > > [0]
> > > >
> > http://www.clariusconsulting.net/blogs/kzu/archive/2007/08/03/29281.aspx
> > > >
> > > >
> > > > On Fri, Feb 27, 2009 at 1:35 AM, Mont Rothstein
> > > > <[email protected]> wrote:
> > > > > I want to use XML for an audit trail.  The problem I am having is
> > that
> > > I
> > > > > would like to only use append operations to write to the file.
> > > > >
> > > > > My thought had been to write an element to each line, with
> > sub-elements
> > > > and
> > > > > the end on the same line.  I could then parse each line when
> reading
> > > the
> > > > > file.  The problem is I can't figure out how to get the XML for a
> > > > > node/element/document, and all of the sub-elements, to write out as
> a
> > > > single
> > > > > line.
> > > > >
> > > > > Alternatively  I could use some other mechanism to parse the file
> and
> > > > read
> > > > > each audit entry (xml element with sub-elements) in sequence.
> > > > >
> > > > > Any suggestions on how to either write the XML as a single line or
> a
> > > > > preferred method for parsing elements in a file one at a time?
> > > > >
> > > > > Thanks,
> > > > > -Mont
> > > > >
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