- * Will only be called if TRACE is true. - * - * @param message - * the trace message - */ - public void trace(String message); - } - private static ConfigBundle config; private static UiConfigBundle uiconfig; private static StringIdBundle trans; private static DataLoader cache; - private static LocalLibrary lib; - private static boolean debug; - private static boolean trace; + private static BasicLibrary lib; private static File coverDir; private static File readerTmp; private static File remoteDir; private static String configDir; - - private static SyserrHandler syserrHandler; - - private static TraceHandler traceHandler; + private static TraceHandler tracer; static { + // Before we can configure it: + tracer = new TraceHandler(true, checkEnv("DEBUG"), false); + // Most of the rest is dependent upon this: config = new ConfigBundle(); @@ -97,13 +63,13 @@ public class Instance { config = new ConfigBundle(); config.updateFile(configDir); } catch (IOException e) { - syserr(e); + tracer.error(e); } try { uiconfig = new UiConfigBundle(); uiconfig.updateFile(configDir); } catch (IOException e) { - syserr(e); + tracer.error(e); } // No updateFile for this one! (we do not want the user to have custom @@ -121,20 +87,15 @@ public class Instance { uiconfig = new UiConfigBundle(); trans = new StringIdBundle(getLang()); - try { - lib = new LocalLibrary(getFile(Config.LIBRARY_DIR), - OutputType.INFO_TEXT, OutputType.CBZ); - } catch (Exception e) { - syserr(new IOException("Cannot create library for directory: " - + getFile(Config.LIBRARY_DIR), e)); - } - debug = Instance.getConfig().getBoolean(Config.DEBUG_ERR, false); - trace = Instance.getConfig().getBoolean(Config.DEBUG_TRACE, false); + boolean debug = Instance.getConfig() + .getBoolean(Config.DEBUG_ERR, false); + boolean trace = Instance.getConfig().getBoolean(Config.DEBUG_TRACE, + false); coverDir = getFile(Config.DEFAULT_COVERS_DIR); File tmp = getFile(Config.CACHE_DIR); readerTmp = getFile(UiConfig.CACHE_DIR_LOCAL_READER); - remoteDir = new File(getFile(Config.LIBRARY_DIR), "remote"); + remoteDir = new File(configDir, "remote"); if (checkEnv("NOUTF")) { trans.setUnicode(false); @@ -144,6 +105,46 @@ public class Instance { debug = true; } + tracer = new TraceHandler(true, debug, trace); + + String remoteLib = config.getString(Config.DEFAULT_LIBRARY); + if (remoteLib == null || remoteLib.trim().isEmpty()) { + try { + lib = new LocalLibrary(getFile(Config.LIBRARY_DIR)); + } catch (Exception e) { + tracer.error(new IOException( + "Cannot create library for directory: " + + getFile(Config.LIBRARY_DIR), e)); + } + } else { + int pos = remoteLib.lastIndexOf(":"); + if (pos >= 0) { + String port = remoteLib.substring(pos + 1).trim(); + remoteLib = remoteLib.substring(0, pos); + pos = remoteLib.lastIndexOf(":"); + if (pos >= 0) { + String host = remoteLib.substring(pos + 1).trim(); + String key = remoteLib.substring(0, pos).trim(); + + try { + tracer.trace("Selecting remote library " + host + ":" + + port); + lib = new RemoteLibrary(key, host, + Integer.parseInt(port)); + lib = new CacheLibrary(getRemoteDir(host), lib); + + } catch (Exception e) { + } + } + } + + if (lib == null) { + tracer.error(new IOException( + "Cannot create remote library for: " + + getFile(Config.DEFAULT_LIBRARY))); + } + } + // Could have used: System.getProperty("java.io.tmpdir") if (tmp == null) { tmp = new File(configDir, "tmp"); @@ -154,7 +155,7 @@ public class Instance { // if (coverDir != null && !coverDir.exists()) { - syserr(new IOException( + tracer.error(new IOException( "The 'default covers' directory does not exists: " + coverDir)); coverDir = null; @@ -168,11 +169,36 @@ public class Instance { cache = new DataLoader(tmp, ua, hours, hoursLarge); } catch (IOException e) { - syserr(new IOException( + tracer.error(new IOException( "Cannot create cache (will continue without cache)", e)); } } + /** + * The traces handler for this {@link Cache}. + *
+ * It is never NULL. + * + * @return the traces handler (never NULL) + */ + public static TraceHandler getTraceHandler() { + return tracer; + } + + /** + * The traces handler for this {@link Cache}. + * + * @param tracer + * the new traces handler or NULL + */ + public static void setTraceHandler(TraceHandler tracer) { + if (tracer == null) { + tracer = new TraceHandler(false, false, false); + } + + Instance.tracer = tracer; + } + /** * Get the (unique) configuration service for the program. * @@ -215,6 +241,10 @@ public class Instance { * @return the {@link LocalLibrary} */ public static BasicLibrary getLibrary() { + if (lib == null) { + throw new NullPointerException("We don't have a library to return"); + } + return lib; } @@ -291,61 +321,7 @@ public class Instance { IOUtils.writeSmallFile(new File(configDir), "LAST_UPDATE", Long.toString(new Date().getTime())); } catch (IOException e) { - syserr(e); - } - } - - /** - * Replace the global syserr handler. - * - * @param syserrHandler - * the new syserr handler - */ - public static void setSyserrHandler(SyserrHandler syserrHandler) { - Instance.syserrHandler = syserrHandler; - } - - /** - * Replace the global trace handler. - * - * @param traceHandler - * the new trace handler - */ - public static void setTraceHandler(TraceHandler traceHandler) { - Instance.traceHandler = traceHandler; - } - - /** - * Report an error to the user - * - * @param e - * the {@link Exception} to report - */ - public static void syserr(Exception e) { - if (syserrHandler != null) { - syserrHandler.notify(e, debug); - } else { - if (debug) { - e.printStackTrace(); - } else { - System.err.println(e.getMessage()); - } - } - } - - /** - * Notify of a debug message. - * - * @param message - * the message - */ - public static void trace(String message) { - if (trace) { - if (traceHandler != null) { - traceHandler.trace(message); - } else { - System.out.println(message); - } + tracer.error(e); } }