Hello
I would find it useful if the URLs of datastreams could be unescaped. E.g.
if a METS document has a datastream like:
<fileGrp ID="...">
<file OWNERID="M" ...>
<FLocat xlink:href="http://example.com/ds.php?arg1=val1&arg2=val2";
.../>
the URL would be transformed into:
http://example.com/df.php?arg1=val1&arg2=val2
Currently, the escaped & is left as it is, so fetching the datastream
can fail.
I don't know if this is a deliberate thing, to stop people from putting in
funny URLs, or something that might modified in future. Might people be
depending on the current behaviour of URLs not being unescaped?
A solution could be to modify METSFedoraExtDODeserializer.java:
// need this class
import org.apache.commons.lang.StringEscapeUtils;
// and then round about line 534 for METS's FLocat element
String dsLocation = StringEscapeUtils.unescapeXml(grab(a, m_xlink.uri, "href"));
I'm not sure how to integrate another jar (Apache's commons-lang.jar) into
the Fedora build, so I can't provide a working patch. But putting the URL
string through unescapeXml should do it.
Swithun.
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