public void updateBean(AlbumBean newBean, AlbumBean oldBean) throws LibraryException { synchronized (libraryList) { // Find the bean int index = libraryList.indexOf(oldBean); if (index == -1) { LibraryException le = new LibraryException(Utils.getResourceString(ERROR_BEAN_NOT_FOUND)); throw le; } // Set the new bean libraryList.set(index, newBean); setChanged(); fireLibraryChangeEvent( new LibraryChangeEvent(this, new AlbumBean[] {oldBean}, LibraryChangeEvent.UPDATE)); } }
protected Document parse(InputStream inputStream) throws LibraryException { Map<Integer, SongBean> songMap = new HashMap<Integer, SongBean>(); Map<Integer, AlbumBean> albumMap = new HashMap<Integer, AlbumBean>(); Map<Integer, AlbumBean> secondaryAlbumMap = new HashMap<Integer, AlbumBean>(); warningList.clear(); try { // Create a builder factory DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance(); factory.setValidating(false); factory.setNamespaceAware(true); factory.setIgnoringElementContentWhitespace(true); factory.setIgnoringComments(true); // Create the builder and parse the file DocumentBuilder builder = factory.newDocumentBuilder(); // Set an error listener and parse the document builder.setErrorHandler(new iTradeTunesLibraryErrorHandler()); builder.setEntityResolver(new iTradeTunesLibraryResolver()); Document document = builder.parse(inputStream); synchronized (libraryList) { // Query the library document and build the library list XPath xPath = XPathFactory.newInstance().newXPath(); XPathExpression xPathExpression = xPath.compile(XPATH_LIBRARY_LIST); NodeList nodelist = (NodeList) xPathExpression.evaluate(document, XPathConstants.NODESET); // Process the elements in the nodelist SongBean song = null; for (int i = 0; i < nodelist.getLength(); i++) { boolean isTrackID = false; // Get element and child nodes Element elem = (Element) nodelist.item(i); NodeList list = elem.getChildNodes(); // Get node value Node childKey = list.item(0); String key = childKey.getNodeValue(); // Check if we have to create a new bean if (SongBean.NAME_TRACK_ID.equals(key)) { isTrackID = true; SongBean previousSong = song; song = new SongBean(); if (previousSong != null && !("AAC audio file".equals(previousSong.getKind()) || "MPEG audio file".equals(previousSong.getKind()))) { songMap.remove(previousSong.getTrack_ID()); } else { // Add an album bean addOrUpdateAlbum(albumMap, previousSong, false); } } // The first parameter is the key String prop = childKey.getNodeValue().replace(' ', '_'); // The second parameter is the value i++; // Get element and child nodes elem = (Element) nodelist.item(i); // Check for boolean properties Object value = null; // Get node value list = elem.getChildNodes(); childKey = list.item(0); value = (childKey == null) ? elem.getNodeName() : childKey.getNodeValue(); if (isTrackID) { isTrackID = false; } // Set the property of the song bean Statement stmt = new Statement(song, "set" + prop, new Object[] {value}); try { stmt.execute(); } catch (Exception e) { // Ignore that field, we do not have it in our bean } // If the property is the track ID, add the song to the hash // map if (SongBean.NAME_TRACK_ID.equals(key)) { int trackID = Integer.valueOf((String) value); songMap.put(trackID, song); } } // Update album for last song addOrUpdateAlbum(albumMap, song, false); // Check the album map for inconsistencies Iterator<AlbumBean> albums = albumMap.values().iterator(); while (albums.hasNext()) { AlbumBean album = albums.next(); if (album.checkConsistency()) { libraryList.add(album); album.setHashCode(); } else { // Add an inconsistent album only using the album title SongBean[] songs = album.getSongs(); for (int i = 0; i < songs.length; i++) { addOrUpdateAlbum(secondaryAlbumMap, songs[i], true); } } } // Check secondary album map for consistency albums = secondaryAlbumMap.values().iterator(); while (albums.hasNext()) { AlbumBean album = albums.next(); if (album.checkConsistency()) { libraryList.add(album); album.setHashCode(); } else { // This album cannot be matched // TODO: Add to warning message } } setChanged(); } return document; } catch (IOException ioe) { // Log an expected connect exception throw new LibraryException(ioe); } catch (SAXException se) { // Catch all other exceptions throw new LibraryException(se); } catch (ParserConfigurationException pce) { // Catch all other exceptions Utils.logSevere(pce); throw new LibraryException(pce); } catch (XPathExpressionException xpe) { // Catch all other exceptions Utils.logSevere(xpe); throw new LibraryException(xpe); } catch (NumberFormatException nfe) { // Catch all other exceptions throw new LibraryException(nfe); } }