[news.eclipse.platform] Content types, contentTypeBinding

[laurent Goubet <laurent.goubet@xxxxxxx>]

Hi all,

I've been searching through google, this newsgroup, some javadoc and the 
content type implementation code, but couldn't get an answer for this.

I developped an editor and would like to define dynamically which files 
it must handle. Thus I created a ContentTypeDescriber who'll be able to 
do this ... Only to realize it's "describe" methods are never called ... 
after doing a little debugging through ContentTypeCatalog and the such, 
I finally found why : I would like my editor to be associated with any 
file containing XML content, but I *do not know* either the file name or 
the file extension.

As an example, a file called "foo.bar" or even "cock-a-doodle.doo" could 
very well contain xml content and thus could be opened as such. The 
actual implementation for content type binding within eclipse will never 
call a ContentTypeDescriber's "describe" method if we have defined it to 
be associated to filename "*" and file extension "*".

org.eclipse.core.internal.content.ContentTypeCatalog#internalFindContentTypesFor(org.eclipse.core.internal.content.ContentTypeMatcher, 
java.lang.String, java.util.Comparator) is in charge of finding the 
content type for a given file name. It will try to find a content type 
for : 1) the file name, 2) the file extension. Wouldn't it be possible 
to search for the "generic" content types too? This would at the same 
time allow us to get a content-type describer to try and describe files 
with no extension.

Regards,
Laurent Goubet
Obeo

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