Access output:media-type value from QueryProcessor

On Wed, Jul 26, 2017 at 10:55 PM, Andrew Tsui <a.tpw25 at googlemail.com> wrote: > Hi, > > Is it possible to get the value of "output:media-type" through > QueryProcessor? > > I am currently trying to use BaseX as a view renderer for a Spring MVC > application. The view is rendering fine using embedded BaseX. However, I > can't figure out how to get the "output:media-type" value from the XQuery so > that I can set the response header during runtime. I can set the > content-type through the controller in Spring. But I would rather not have > to do it in two separate places. Below is the relevant code snippet from the > view renderer. > > try(QueryProcessor proc = new QueryProcessor(query, context)) { > Iter iter = proc.iter(); > > //response is HTTPServletResponse > response.setContentType(????); > > try(Serializer ser = proc.getSerializer(response.getOutputStream())) { > for(Item item; (item = iter.next()) != null;) { > ser.serialize(item); > } > } > } > > Any suggestion? > > > Thanks > Andrew

On 26 July 2017 at 22:08, Christian Grün <christian.gruen at gmail.com> wrote: > Hi Andrew, > > This is how you can request the value of output:media-type: > > import org.basex.io.serial.SerializerOptions; > .... > SerializerOptions sopts = proc.qc.serParams(); > String type = sopts.get(SerializerOptions.MEDIA_TYPE); > > As the media type can be empty, you can additionally take advantage of > the HTTPConnection.mediaType() function [1], which will always returns > a media type (provided that you have the basex-api classes embedded): > > import org.basex.http.HTTPConnection; > import org.basex.io.serial.SerializerOptions; > .... > SerializerOptions sopts = proc.qc.serParams(); > response.setContentType(HTTPConnection.mediaType(sopts).toString()); > > Hope this helps, > Christian > > [1] https://github.com/BaseXdb/basex/blob/master/basex-api/ > src/main/java/org/basex/http/HTTPConnection.java#L293 > > > > On Wed, Jul 26, 2017 at 10:55 PM, Andrew Tsui <a.tpw25 at googlemail.com> > wrote: > > Hi, > > > > Is it possible to get the value of "output:media-type" through > > QueryProcessor? > > > > I am currently trying to use BaseX as a view renderer for a Spring MVC > > application. The view is rendering fine using embedded BaseX. However, I > > can't figure out how to get the "output:media-type" value from the > XQuery so > > that I can set the response header during runtime. I can set the > > content-type through the controller in Spring. But I would rather not > have > > to do it in two separate places. Below is the relevant code snippet from > the > > view renderer. > > > > try(QueryProcessor proc = new QueryProcessor(query, context)) { > > Iter iter = proc.iter(); > > > > //response is HTTPServletResponse > > response.setContentType(????); > > > > try(Serializer ser = proc.getSerializer(response.getOutputStream())) > { > > for(Item item; (item = iter.next()) != null;) { > > ser.serialize(item); > > } > > } > > } > > > > Any suggestion? > > > > > > Thanks > > Andrew >