Ejemplo n.º 1
0
 /**
  * Searches the selected directories in the filesystem for Mp3 files.
  *
  * @param e ActionEvent
  */
 public synchronized void actionPerformed(ActionEvent e) {
   try {
     Mp3Controller controller = getMp3Controller();
     // launch filechooser and import selected directory
     FileSystemModel fsModel = controller.getFileSystemModel();
     fsModel.clear();
     File file = FileChooser.chooseDirectory(super.getSearchPanel(), "Import");
     if (file != null) {
       getStatusPanel().startProcessing("Loading... " + file);
       fsModel.includeDirectory(file.toURI().toURL());
       Mp3Model mp3Model = controller.getMp3Model();
       mp3Model.setMp3ModelListener(getMp3ModelListener());
       mp3Model.loadMp3s(fsModel);
     }
     // underlying model/data has changed
     getSearchPanel().constraintsHaveChanged();
     getStatusPanel().stopProcessing("Successfully loaded: " + file);
   } catch (Exception exception) {
     getStatusPanel().stopProcessingError("Error(s) occurred while loading Mp3s");
     ExceptionHandler.handleException(exception);
   }
 }
Ejemplo n.º 2
0
  /**
   * Returns all Id3 property-values for the Mp3 as an Iterator of Triples.
   *
   * @return ClosableIterator
   * @throws QueryException
   */
  public ClosableIterator getStatements() throws QueryException {

    ClosableIterator schemaProperties = null;
    try {
      schemaProperties = getSchemaProperties();
      String query = getStatementsQuery(mp3.getResource(), schemaProperties);
      return model.query(query);
    } catch (Exception exception) {
      throw new QueryException("Failed to getStatements.", exception);
    } finally {
      if (schemaProperties != null) {
        schemaProperties.close();
      }
    }
  }
Ejemplo n.º 3
0
  /**
   * Returns a queryString in the following format:
   *
   * <p>
   *
   * <pre>
   *  select $s $p $o
   *  from <model.getResource()>
   *  where $s $p $o
   *  and $s <id3:uri> <mp3>
   *  and ($p <mulgara:is> <schemaProperty-1>
   *    or $p <mulgara:is> <schemaProperty-2>
   *              ...
   *    or $p <mulgara:is> <schemaProperty-n>) ;
   *  </pre>
   *
   * where <schemaProperty> is a property of the ID3Tags schema.
   *
   * @return String
   * @param mp3 URIReference
   * @param properties Iterator of Triples where the SubjectNode's represent the schemaProperties.
   */
  private String getStatementsQuery(URIReference mp3, Iterator properties) {

    // if there are no properties, there should be no statements.
    if ((properties == null) || !(properties.hasNext())) {
      return ";";
    }

    Node currentProperty = ((Triple) properties.next()).getPredicate();
    StringBuffer query = new StringBuffer("select $s $p $o" + NEWLINE);
    query.append("from <" + model.getResource().getURI() + ">" + NEWLINE);
    query.append("where $s $p $o" + NEWLINE);

    query.append("and $s" + ID3_URI + asString(mp3) + " " + NEWLINE);
    query.append(
        "and ( $p" + MULGARA_IS + asString((URIReference) currentProperty) + " " + NEWLINE);
    while (properties.hasNext()) {
      currentProperty = ((Triple) properties.next()).getSubject();
      query.append(
          "  or $p" + MULGARA_IS + asString((URIReference) currentProperty) + " " + NEWLINE);
    }
    // results must be ordered
    query.append(") order by $s $p $o ; ");
    return query.toString();
  }