Package org.atomojo.app.db.sparql

Examples of org.atomojo.app.db.sparql.QueryException


                           dest.send(constructor.createCharacters("\n"));
                           text(constructor,dest,AtomResource.ID_NAME,UUID.randomUUID().toString());
                           dest.send(constructor.createCharacters("\n"));
                           text(constructor,dest,AtomResource.UPDATED_NAME,AtomResource.toXSDDate(new Date()));
                        } catch (XMLException ex) {
                           throw new QueryException("Exception during feed start.",ex);
                        }
                     }

                     public void onEnd() throws QueryException {
                        try {
                           dest.send(constructor.createCharacters("\n"));
                           dest.send(constructor.createElementEnd(AtomResource.FEED_NAME));
                           dest.send(constructor.createDocumentEnd());
                        } catch (XMLException ex) {
                           throw new QueryException("Exception during feed end.",ex);
                        }
                     }

                     public void onEntry(Entry entry) throws QueryException {
                        try {
                           Feed feed = entry.getFeed();
                           String feedPath = feed.getPath();
                           String feedBaseURI = resourceBase.toString()+feedPath;
                           dest.send(constructor.createCharacters("\n"));

                           // get the entry representation
                           Representation rep = app.getStorage().getEntry(feedBaseURI,feedPath,feed.getUUID(),entry.getUUID());

                           // avoid thread creation because reading an output representation requires a thread
                           StringWriter sw = new StringWriter();
                           rep.write(sw);
                           rep.release();

                           // TODO: optimize by giving item destination to storage
                           loader.generate(new StringReader(sw.toString()), new RemoveDocumentFilter(dest));
                        } catch (Exception ex) {
                           throw new QueryException("Exception during feed entry generation.",ex);
                        }
                     }

                     public void onFeed(Feed feed) throws QueryException {
                        try {
                           org.atomojo.app.client.Feed feedRep = new org.atomojo.app.client.Feed(xmlParser.load(app.getStorage().getFeedHead(feed.getPath(), feed.getUUID())));
                           dest.send(constructor.createCharacters("\n"));
                           dest.send(constructor.createElement(AtomResource.ENTRY_NAME));
                           text(constructor,dest,AtomResource.ID_NAME,feed.getUUID().toString());
                           text(constructor,dest,AtomResource.PUBLISHED_NAME,AtomResource.toXSDDate(feed.getCreated()));
                           text(constructor,dest,AtomResource.UPDATED_NAME,AtomResource.toXSDDate(feed.getEdited()));
                           text(constructor,dest,AtomResource.TITLE_NAME,feedRep.getTitle());
                           String summary = feedRep.getSummary();
                           text(constructor,dest,AtomResource.SUMMARY_NAME,summary);
                           term(constructor,dest,Categorization.FEED_TYPE_TERM,null);
                           Iterator<TermInstance<Feed>> terms = feed.getTerms();
                           while (terms.hasNext()) {
                              TermInstance<Feed> fterm = terms.next();
                              term(constructor,dest,fterm.getTerm().getURI(),fterm.getValue());
                           }
                           link(constructor,dest,"related",resourceBase+feed.getPath());
                           dest.send(constructor.createElementEnd(AtomResource.ENTRY_NAME));
                        } catch (Exception ex) {
                           throw new QueryException("Exception during feed entry generation.",ex);
                        }
                     }
                  } );
               } catch (QueryException ex) {
                  getContext().getLogger().log(Level.SEVERE,"Cannot execute query",ex);
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