I have a big problem with Database reader. I'd like to make a common stuff - in the database I are stored binary files (table structure looks: (id, content, filename, mimetype) and I'd like to map url "file/234" on the accordant file. Remind, that in the database can be stored everything possible stuff (images, documents etc.).
I tried to use databasereader. All works ok, until I'd like to change mime-type to appropriate mime-type stored in the database. For this purpose should be used parameter "content-type". But it doesn't work and doesn't return regular value from database. It just returns that string, I inserted with parameter. It is correct? If so, how can I solve my problem? I tried this solution:
Usual select: "select content, mimetype from files where id=123 and status=1"
Using databasereader:
<map:match pattern="files/*"> <map:read type="databasereader" src="{1}" mime-type="plain/text"> <map:parameter name="table" value="files"/> <map:parameter name="image" value="content"/> <map:parameter name="key" value="id"/> <map:parameter name="where" value="status=1"/>
Please have a look at the javadocs. content-type sets a fixed mimetype for the generated data while type-column specifies the column that stores the mimetype. So change it to
<map:parameter name="type-column" value="mimetype"/>
BTW the upload sample in the databases block demos this usage.
If you have a look at the source code
http://cvs.apache.org/viewcvs.cgi/cocoon-2.1/src/blocks/databases/java/org/apache/cocoon/reading/DatabaseReader.java?annotate=1.4#400
you will see that the mime-type is not taken from database, but the parameter value itself, i.e. 'mimetype'. If that's useful or not - I don't know. Maybe you can patch the databasereader.
No need to -- that has already been done :-)
Was this ternary operator already there yesterday? :-) I guess my look was to short ... Thanks for clarification.
Joerg
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