Esempio n. 1
0
  /**
   * Generate the cache validity object.
   *
   * <p>The validity object will include the collection being viewed and all recently submitted
   * items. This does not include the community / collection hierarch, when this changes they will
   * not be reflected in the cache.
   */
  public SourceValidity getValidity() {
    if (this.validity == null) {

      try {
        DSpaceValidity validity = new DSpaceValidity();

        DSpaceObject dso = HandleUtil.obtainHandle(objectModel);

        if (dso != null) {
          // Add the actual collection;
          validity.add(dso);
        }

        // add recently submitted items, serialize solr query contents.
        DiscoverResult response = getQueryResponse(dso);

        validity.add("numFound:" + response.getDspaceObjects().size());

        for (DSpaceObject resultDso : response.getDspaceObjects()) {
          validity.add(resultDso);
        }

        for (String facetField : response.getFacetResults().keySet()) {
          validity.add(facetField);

          List<DiscoverResult.FacetResult> facetValues = response.getFacetResults().get(facetField);
          for (DiscoverResult.FacetResult facetValue : facetValues) {
            validity.add(facetValue.getAsFilterQuery() + facetValue.getCount());
          }
        }

        this.validity = validity.complete();
      } catch (Exception e) {
        // Just ignore all errors and return an invalid cache.
      }

      // TODO: dependent on tags as well :)
    }
    return this.validity;
  }
Esempio n. 2
0
  @Override
  public void addBody(Body body)
      throws SAXException, WingException, UIException, SQLException, IOException,
          AuthorizeException {

    Request request = ObjectModelHelper.getRequest(objectModel);

    DSpaceObject dso = HandleUtil.obtainHandle(objectModel);

    // Set up the major variables
    // Collection collection = (Collection) dso;

    // Build the collection viewer division.

    // Make sure we get our results
    queryResults = getQueryResponse(dso);
    if (this.queryResults != null) {

      Map<String, List<DiscoverResult.FacetResult>> facetFields =
          this.queryResults.getFacetResults();
      if (facetFields == null) {
        facetFields = new LinkedHashMap<String, List<DiscoverResult.FacetResult>>();
      }

      //            facetFields.addAll(this.queryResults.getFacetDates());

      if (facetFields.size() > 0) {
        String facetField =
            String.valueOf(facetFields.keySet().toArray(new String[facetFields.size()])[0]);
        java.util.List<DiscoverResult.FacetResult> values = facetFields.get(facetField);

        if (values != null && 0 < values.size()) {

          Division results = body.addDivision("browse-by-" + facetField + "-results", "primary");

          results.setHead(
              message(
                  "xmlui.ArtifactBrowser.AbstractSearch.type_"
                      + request.getParameter(FACET_FIELD)
                      + "_browse"));

          // Find our faceting offset
          int offSet = queryArgs.getFacetOffset();
          if (offSet == -1) {
            offSet = 0;
          }

          // Only show the nextpageurl if we have at least one result following our current results
          String nextPageUrl = null;
          if (values.size() == (DEFAULT_PAGE_SIZE + 1)) {
            nextPageUrl = getNextPageURL(request);
          }

          results.setSimplePagination(
              (int) queryResults.getDspaceObjects().size(),
              offSet + 1,
              (offSet + (values.size() - 1)),
              getPreviousPageURL(request),
              nextPageUrl);

          Table singleTable =
              results.addTable(
                  "browse-by-" + facetField + "-results",
                  (int) (queryResults.getDspaceObjects().size() + 1),
                  1);

          List<String> filterQueries = new ArrayList<String>();
          if (request.getParameterValues("fq") != null) {
            filterQueries = Arrays.asList(request.getParameterValues("fq"));
          }
          for (int i = 0; i < values.size(); i++) {
            DiscoverResult.FacetResult value = values.get(i);

            String displayedValue = value.getDisplayedValue();
            String filterQuery = value.getAsFilterQuery();

            //                        if(field.getGap() != null){
            //                            //We have a date get the year so we can display it
            //                            DateFormat simpleDateformat = new
            // SimpleDateFormat("yyyy");
            //                            displayedValue =
            // simpleDateformat.format(SolrServiceImpl.toDate(displayedValue));
            //                            filterQuery =
            // ClientUtils.escapeQueryChars(value.getFacetField().getName()) + ":" + displayedValue
            // + "*";
            //                        }

            Cell cell = singleTable.addRow().addCell();

            // No use in selecting the same filter twice
            if (filterQueries.contains(filterQuery)) {
              cell.addContent(displayedValue + " (" + value.getCount() + ")");
            } else {
              cell.addXref(
                  contextPath
                      + (dso == null ? "" : "/handle/" + dso.getHandle())
                      + "/discover?"
                      + "&fq="
                      + URLEncoder.encode(filterQuery, "UTF-8")
                      + (request.getQueryString() != null ? "&" + request.getQueryString() : ""),
                  displayedValue + " (" + value.getCount() + ")");
            }
          }
        }
      }
    }

    // DSpaceObject dso = HandleUtil.obtainHandle(objectModel);

    /*
    if (dso != null)
    {
        if (dso instanceof Collection)
        {
            browseContext.addItem().addXref(contextPath + "/discovery/?q=search.resourcetype%3A2+AND+location%3Al" + dso.getID(), T_head_this_collection );
        }
        if (dso instanceof Community)
        {
            browseContext.addItem().addXref(contextPath + "/discovery/?q=search.resourcetype%3A2+AND+location%3Am" + dso.getID(), T_head_this_community );
        }
    }

    browseGlobal.addItem().addXref(contextPath + "/discovery/?q=search.resourcetype%3A2", T_head_all_of_dspace );
    */
  }