- * All the readers should be accessed via {@link BasicReader#getReader()}. - * - * @author niki - */ -public abstract class BasicReader implements Reader { - private static BasicLibrary defaultLibrary = Instance.getLibrary(); - private static ReaderType defaultType = ReaderType.GUI; - - private BasicLibrary lib; - private MetaData meta; - private Story story; - private int chapter; - - /** - * Take the default reader type configuration from the config file. - */ - static { - String typeString = Instance.getConfig().getString(Config.READER_TYPE); - if (typeString != null && !typeString.isEmpty()) { - try { - ReaderType type = ReaderType.valueOf(typeString.toUpperCase()); - defaultType = type; - } catch (IllegalArgumentException e) { - // Do nothing - } - } - } - - public synchronized Story getStory(Progress pg) { - if (story == null) { - story = getLibrary().getStory(meta.getLuid(), pg); - } - - return story; - } - - public BasicLibrary getLibrary() { - if (lib == null) { - lib = defaultLibrary; - } - - return lib; - } - - public void setLibrary(BasicLibrary lib) { - this.lib = lib; - } - - public MetaData getMeta() { - return meta; - } - - public synchronized void setMeta(MetaData meta) throws IOException { - setMeta(meta == null ? null : meta.getLuid()); // must check the library - } - - public synchronized void setMeta(String luid) throws IOException { - story = null; - meta = getLibrary().getInfo(luid); - - if (meta == null) { - throw new IOException("Cannot retrieve story from library: " + luid); - } - } - - public synchronized void setMeta(URL source, Progress pg) - throws IOException { - BasicSupport support = BasicSupport.getSupport(source); - if (support == null) { - throw new IOException("URL not supported: " + source.toString()); - } - - story = support.process(source, pg); - if (story == null) { - throw new IOException( - "Cannot retrieve story from external source: " - + source.toString()); - } - - meta = story.getMeta(); - } - - public int getChapter() { - return chapter; - } - - public void setChapter(int chapter) { - this.chapter = chapter; - } - - /** - * Return a new {@link BasicReader} ready for use if one is configured. - *
- * Can return NULL if none are configured. - * - * @return a {@link BasicReader}, or NULL if none configured - */ - public static Reader getReader() { - try { - if (defaultType != null) { - return (Reader) SerialUtils.createObject(defaultType - .getTypeName()); - } - } catch (Exception e) { - Instance.syserr(new Exception("Cannot create a reader of type: " - + defaultType + " (Not compiled in?)", e)); - } - - return null; - } - - /** - * The default {@link Reader.ReaderType} used when calling - * {@link BasicReader#getReader()}. - * - * @return the default type - */ - public static ReaderType getDefaultReaderType() { - return defaultType; - } - - /** - * The default {@link Reader.ReaderType} used when calling - * {@link BasicReader#getReader()}. - * - * @param defaultType - * the new default type - */ - public static void setDefaultReaderType(ReaderType defaultType) { - BasicReader.defaultType = defaultType; - } - - /** - * Change the default {@link LocalLibrary} to open with the - * {@link BasicReader}s. - * - * @param lib - * the new {@link LocalLibrary} - */ - public static void setDefaultLibrary(BasicLibrary lib) { - BasicReader.defaultLibrary = lib; - } - - /** - * Return an {@link URL} from this {@link String}, be it a file path or an - * actual {@link URL}. - * - * @param sourceString - * the source - * - * @return the corresponding {@link URL} - * - * @throws MalformedURLException - * if this is neither a file nor a conventional {@link URL} - */ - public static URL getUrl(String sourceString) throws MalformedURLException { - if (sourceString == null || sourceString.isEmpty()) { - throw new MalformedURLException("Empty url"); - } - - URL source = null; - try { - source = new URL(sourceString); - } catch (MalformedURLException e) { - File sourceFile = new File(sourceString); - source = sourceFile.toURI().toURL(); - } - - return source; - } - - /** - * Open the {@link Story} with an external reader (the program will be - * passed the main file associated with this {@link Story}). - * - * @param lib - * the {@link BasicLibrary} to select the {@link Story} from - * @param luid - * the {@link Story} LUID - * - * @throws IOException - * in case of I/O error - */ - public static void openExternal(BasicLibrary lib, String luid) - throws IOException { - MetaData meta = lib.getInfo(luid); - File target = lib.getFile(luid); - - openExternal(meta, target); - } - - /** - * Open the {@link Story} with an external reader (the program will be - * passed the given target file). - * - * @param meta - * the {@link Story} to load - * @param target - * the target {@link File} - * - * @throws IOException - * in case of I/O error - */ - protected static void openExternal(MetaData meta, File target) - throws IOException { - String program = null; - if (meta.isImageDocument()) { - program = Instance.getUiConfig().getString( - UiConfig.IMAGES_DOCUMENT_READER); - } else { - program = Instance.getUiConfig().getString( - UiConfig.NON_IMAGES_DOCUMENT_READER); - } - - if (program != null && program.trim().isEmpty()) { - program = null; - } - - if (program == null) { - try { - Desktop.getDesktop().browse(target.toURI()); - } catch (UnsupportedOperationException e) { - Runtime.getRuntime().exec( - new String[] { "xdg-open", target.getAbsolutePath() }); - - } - } else { - Runtime.getRuntime().exec( - new String[] { program, target.getAbsolutePath() }); - } - } -}