Mark,
Many thanks for your comments!
And to the audience at large, for what it's worth, I'm certainly in
agreement with Mark and Alan concerning the use of html within
metadata fields. I believe the only reason we have this going on in
our repository is due to a messy recovery we had to manage after one
of our servers was compromised. I'm aiming to have our data cleaned up
so we no longer have html content in metadata fields. If all goes
well, we'll be back to best practices rather than messy hacks.
- Patrick
On Jul 13, 2009, at 4:41 PM, Mark Diggory wrote:
On Mon, Jul 13, 2009 at 7:07 AM, Antonio Cuomo<[email protected]
> wrote:
Dear Mark, it's the common behavior with all the DSpace
installation i have
seen (MIT included).
The problem is that all the data in the field dc.description are
saved as
plain text for security issues.
I understand now, this is a discussion about Item metadata fields, not
Community Collection descriptions where html content is allowed. I
agree with Alan's assessment here:
1.) I really do not advise placing html content into metadata fields.
this will cause much difficulty downstream in the application when
those fields are rendered into things like <meta name="dc.description
value="..."/> fields, oai records and other xml centric serializations
2.) Placing html into metadata fields suggests that they are more than
content, but also presentation. Overall this is a very bad practice
and I do not recommend doing it.
If you do feel it necessary to approach doing this you might approach
some of Patricks comments, but I will heavily caution that if the user
inputs ill-formed xml, it will break the rendering pipeline and result
in a 500 error page being rendered. The concern here is that the field
value is parsed into the sax stream before the i18n and serialization
transformations occur and thus needs to be well formed for those
stages to occur.
Another alternative might be to look at using JTidy to cleanup the
value prior to having saxon or xalan parse it. See for instance
http://scm.dspace.org/svn/repo/modules/dspace-rdf/trunk/src/main/java/org/dspace/adapters/rdf/DSpaceObjectAdapter.java
Mark
--
Mark R. Diggory
@mire - http://www.atmire.com
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Patrick K. Étienne
Systems Analyst
Digital Library Development
Library and Information Center
Georgia Institute of Technology
email: [email protected]
phone: 404.385.8121
"Mediocre Writers Borrow; Great Writers Steal" - T.S. Eliot
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