示例#1
0
  void processCommand(String line)
      throws BrowseException, InterruptedException, ExecutionException {
    if (line == null || line.length() == 0) return;
    String[] parsed = line.split(" ");
    if (parsed.length == 0) return;

    String cmd = parsed[0];

    String[] args = new String[parsed.length - 1];
    if (args.length > 0) {
      System.arraycopy(parsed, 1, args, 0, args.length);
    }

    if ("exit".equalsIgnoreCase(cmd)) {
      System.exit(0);
    } else if ("help".equalsIgnoreCase(cmd)) {
      System.out.println("help - prints this message");
      System.out.println("exit - quits");
      System.out.println("query <query string> - sets query text");
      System.out.println("facetspec <name>:<minHitCount>:<maxCount>:<sort> - add facet spec");
      System.out.println("page <offset>:<count> - set paging parameters");
      System.out.println(
          "select <name>:<value1>,<value2>... - add selection, with ! in front of value indicates a not");
      System.out.println("sort <name>:<dir>,... - set sort specs");
      System.out.println("showReq: shows current request");
      System.out.println("clear: clears current request");
      System.out.println("clearSelections: clears all selections");
      System.out.println("clearSelection <name>: clear selection specified");
      System.out.println("clearFacetSpecs: clears all facet specs");
      System.out.println("clearFacetSpec <name>: clears specified facetspec");
      System.out.println("browse - executes a search");
    } else if ("query".equalsIgnoreCase(cmd)) {
      if (parsed.length < 2) {
        System.out.println("query not defined.");
      } else {
        String qString = parsed[1];
        String queryString = qString;
        if (queryString != null) {
          QueryParser qparser =
              new QueryParser(
                  Version.LUCENE_CURRENT, "contents", new StandardAnalyzer(Version.LUCENE_CURRENT));
          Query q;
          try {
            q = qparser.parse(queryString);
            _reqBuilder.getRequest().setQuery(q);
          } catch (Exception e) {
            e.printStackTrace();
          }
        }
      }
    } else if ("facetspec".equalsIgnoreCase(cmd)) {
      if (parsed.length < 2) {
        System.out.println("facetspec not defined.");
      } else {
        try {
          String fspecString = parsed[1];
          String[] parts = fspecString.split(":");
          String name = parts[0];
          String fvalue = parts[1];
          String[] valParts = fvalue.split(",");
          if (valParts.length != 4) {
            System.out.println(
                "spec must of of the form <minhitcount>,<maxcount>,<isExpand>,<orderby>");
          } else {
            int minHitCount = 1;
            int maxCount = 5;
            boolean expand = false;
            FacetSortSpec sort = FacetSortSpec.OrderHitsDesc;
            try {
              minHitCount = Integer.parseInt(valParts[0]);
            } catch (Exception e) {
              System.out.println("default min hitcount = 1 is applied.");
            }
            try {
              maxCount = Integer.parseInt(valParts[1]);
            } catch (Exception e) {
              System.out.println("default maxCount = 5 is applied.");
            }
            try {
              expand = Boolean.parseBoolean(valParts[2]);
            } catch (Exception e) {
              System.out.println("default expand=false is applied.");
            }

            if ("hits".equals(valParts[3])) {
              sort = FacetSortSpec.OrderHitsDesc;
            } else {
              sort = FacetSortSpec.OrderValueAsc;
            }

            _reqBuilder.applyFacetSpec(name, minHitCount, maxCount, expand, sort);
          }

        } catch (Exception e) {
          e.printStackTrace();
        }
      }
    } else if ("select".equalsIgnoreCase(cmd)) {
      if (parsed.length < 2) {
        System.out.println("selection not defined.");
      } else {
        try {
          String selString = parsed[1];
          String[] parts = selString.split(":");
          String name = parts[0];
          String selList = parts[1];
          String[] sels = selList.split(",");
          for (String sel : sels) {
            boolean isNot = false;
            String val = sel;
            if (sel.startsWith("!")) {
              isNot = true;
              val = sel.substring(1);
            }
            if (val != null && val.length() > 0) {
              _reqBuilder.addSelection(name, val, isNot);
            }
          }
        } catch (Exception e) {
          e.printStackTrace();
        }
      }
    } else if ("page".equalsIgnoreCase(cmd)) {
      try {
        String pageString = parsed[1];
        String[] parts = pageString.split(":");
        _reqBuilder.setOffset(Integer.parseInt(parts[0]));
        _reqBuilder.setCount(Integer.parseInt(parts[1]));
      } catch (Exception e) {
        e.printStackTrace();
      }
    } else if ("clearFacetSpec".equalsIgnoreCase(cmd)) {
      if (parsed.length < 2) {
        System.out.println("facet spec not defined.");
      } else {
        String name = parsed[1];
        _reqBuilder.clearFacetSpec(name);
      }
    } else if ("clearSelection".equalsIgnoreCase(cmd)) {
      if (parsed.length < 2) {
        System.out.println("selection name not defined.");
      } else {
        String name = parsed[1];
        _reqBuilder.clearSelection(name);
      }
    } else if ("clearSelections".equalsIgnoreCase(cmd)) {
      _reqBuilder.clearSelections();
    } else if ("clearFacetSpecs".equalsIgnoreCase(cmd)) {
      _reqBuilder.clearFacetSpecs();
    } else if ("clear".equalsIgnoreCase(cmd)) {
      _reqBuilder.clear();
    } else if ("showReq".equalsIgnoreCase(cmd)) {
      BrowseRequest req = _reqBuilder.getRequest();
      System.out.println(req.toString());
    } else if ("sort".equalsIgnoreCase(cmd)) {
      if (parsed.length == 2) {
        String sortString = parsed[1];
        String[] sorts = sortString.split(",");
        ArrayList<SortField> sortList = new ArrayList<SortField>();
        for (String sort : sorts) {
          String[] sortParams = sort.split(":");
          boolean rev = false;
          if (sortParams.length > 0) {
            String sortName = sortParams[0];
            if (sortParams.length > 1) {
              try {
                rev = Boolean.parseBoolean(sortParams[1]);
              } catch (Exception e) {
                System.out.println(e.getMessage() + ", default rev to false");
              }
            }
            sortList.add(new SortField(sortName, SortField.CUSTOM, rev));
          }
        }
        _reqBuilder.applySort(sortList.toArray(new SortField[sortList.size()]));
      } else {
        _reqBuilder.applySort(null);
      }
    } else if ("browse".equalsIgnoreCase(cmd)) {
      BrowseRequest req = _reqBuilder.getRequest();

      BrowseResult res = _svc.browse(req);
      String output = BrowseResultFormatter.formatResults(res);
      System.out.println(output);
    } else {
      System.out.println("Unknown command: " + cmd + ", do help for list of supported commands");
    }
  }
示例#2
0
 private void shutdown() throws BrowseException {
   if (_svc != null) {
     _svc.close();
   }
 }