Пример #1
0
  @GET
  @Path("/getWordCloud/json/{fields}/{sources}/{keyword}")
  @Produces(MediaType.APPLICATION_JSON)
  public String getWordCloud(
      @PathParam("keyword") String keyword,
      @PathParam("fields") String fields,
      @PathParam("sources") String sources) {
    SolrDBManager db = new SolrDBManager();
    JSONArray tfjson = null;
    ArrayList<String> searchField = formSearchField(fields);
    ArrayList<String> S = new ArrayList<String>();
    if (sources.contains("video")) S.add("Video");
    if (sources.contains("news")) S.add("NewsArticle");

    try {

      int maxNumOfWordsToDisplay =
          Integer.parseInt(db.conf.getProperty("visualization_MaxWordCloudSize"));
      int maxNumOfEvents = Integer.parseInt(db.conf.getProperty("visualization_MaxDocForClouds"));

      StoryDistribution distr = db.getDistribution(keyword, S, searchField, maxNumOfEvents);
      tfjson = distr.getTermFrequencies(maxNumOfWordsToDisplay);

      System.out.println("Finish generating wordcloud");

    } catch (Exception e) {
      e.printStackTrace();
    } finally {

    }
    return tfjson.toString();
  }
Пример #2
0
 @GET
 @Path("/getNews/json/{fields}/{sources}/{keyword}")
 @Produces(MediaType.APPLICATION_JSON)
 public List<Event> getNews(
     @PathParam("keyword") String keyword,
     @PathParam("fields") String fields,
     @PathParam("sources") String sources) {
   SolrDBManager db = new SolrDBManager();
   List<Event> events = new ArrayList<Event>();
   ArrayList<String> searchField = formSearchField(fields); // search field
   // Debug
   ArrayList<String> S = new ArrayList<String>();
   if (sources.contains("video")) S.add("Video");
   if (sources.contains("news")) S.add("NewsArticle");
   try {
     int maxNumOfEventsToDisplay =
         Integer.parseInt(db.conf.getProperty("visualization_MaxTimelineSize"));
     events = db.searchByKeyword(keyword, S, searchField, maxNumOfEventsToDisplay);
   } catch (Exception e) {
     e.printStackTrace();
   }
   return events;
 }