Android compatibility
[nikiroo-utils.git] / src / be / nikiroo / fanfix / Instance.java
index 33c65e003aeddc21a7f70e36b342b123a9e6f5ac..82f442791b673262932988b4f3c054cc031e10e0 100644 (file)
@@ -2,13 +2,21 @@ package be.nikiroo.fanfix;
 
 import java.io.File;
 import java.io.IOException;
+import java.util.Date;
 
 import be.nikiroo.fanfix.bundles.Config;
 import be.nikiroo.fanfix.bundles.ConfigBundle;
+import be.nikiroo.fanfix.bundles.StringId;
 import be.nikiroo.fanfix.bundles.StringIdBundle;
 import be.nikiroo.fanfix.bundles.UiConfig;
 import be.nikiroo.fanfix.bundles.UiConfigBundle;
-import be.nikiroo.fanfix.output.BasicOutput.OutputType;
+import be.nikiroo.fanfix.library.BasicLibrary;
+import be.nikiroo.fanfix.library.CacheLibrary;
+import be.nikiroo.fanfix.library.LocalLibrary;
+import be.nikiroo.fanfix.library.RemoteLibrary;
+import be.nikiroo.utils.Cache;
+import be.nikiroo.utils.IOUtils;
+import be.nikiroo.utils.TraceHandler;
 import be.nikiroo.utils.resources.Bundles;
 
 /**
@@ -20,68 +28,72 @@ public class Instance {
        private static ConfigBundle config;
        private static UiConfigBundle uiconfig;
        private static StringIdBundle trans;
-       private static Cache cache;
-       private static Library lib;
-       private static boolean debug;
+       private static DataLoader cache;
+       private static BasicLibrary lib;
        private static File coverDir;
        private static File readerTmp;
+       private static File remoteDir;
+       private static String configDir;
+       private static TraceHandler tracer;
 
        static {
+               // Before we can configure it:
+               tracer = new TraceHandler(true, checkEnv("DEBUG"), checkEnv("DEBUG"));
+
                // Most of the rest is dependent upon this:
                config = new ConfigBundle();
 
-               String configDir = System.getProperty("CONFIG_DIR");
+               configDir = System.getProperty("CONFIG_DIR");
                if (configDir == null) {
                        configDir = System.getenv("CONFIG_DIR");
                }
+
                if (configDir == null) {
-                       configDir = new File(System.getProperty("user.home"), ".fanfix")
-                                       .getPath();
+                       configDir = new File(getHome(), ".fanfix").getPath();
                }
-               
-               if (configDir != null) {
-                       if (!new File(configDir).exists()) {
-                               new File(configDir).mkdirs();
-                       } else {
-                               Bundles.setDirectory(configDir);
-                       }
-
-                       try {
-                               config = new ConfigBundle();
-                               config.updateFile(configDir);
-                       } catch (IOException e) {
-                               syserr(e);
-                       }
-                       try {
-                               uiconfig = new UiConfigBundle();
-                               uiconfig.updateFile(configDir);
-                       } catch (IOException e) {
-                               syserr(e);
-                       }
-                       try {
-                               trans = new StringIdBundle(getLang());
-                               trans.updateFile(configDir);
-                       } catch (IOException e) {
-                               syserr(e);
-                       }
 
+               if (!new File(configDir).exists()) {
+                       new File(configDir).mkdirs();
+               } else {
                        Bundles.setDirectory(configDir);
                }
 
-               uiconfig = new UiConfigBundle();
-               trans = new StringIdBundle(getLang());
                try {
-                       lib = new Library(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));
+                       config = new ConfigBundle();
+                       config.updateFile(configDir);
+               } catch (IOException e) {
+                       tracer.error(e);
+               }
+               try {
+                       uiconfig = new UiConfigBundle();
+                       uiconfig.updateFile(configDir);
+               } catch (IOException e) {
+                       tracer.error(e);
+               }
+
+               // No updateFile for this one! (we do not want the user to have custom
+               // translations that won't accept updates from newer versions)
+               trans = new StringIdBundle(getLang());
+
+               // Fix an old bug (we used to store custom translation files by
+               // default):
+               if (trans.getString(StringId.INPUT_DESC_CBZ) == null) {
+                       trans.deleteFile(configDir);
                }
 
-               debug = Instance.getConfig().getBoolean(Config.DEBUG_ERR, false);
+               Bundles.setDirectory(configDir);
+
+               uiconfig = new UiConfigBundle();
+               trans = new StringIdBundle(getLang());
+
+               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(configDir, "remote");
 
                if (checkEnv("NOUTF")) {
                        trans.setUnicode(false);
@@ -89,6 +101,46 @@ public class Instance {
 
                if (checkEnv("DEBUG")) {
                        debug = true;
+                       trace = 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: " + remoteLib));
+                       }
                }
 
                // Could have used: System.getProperty("java.io.tmpdir")
@@ -101,23 +153,51 @@ 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;
                }
 
+               String ua = config.getString(Config.USER_AGENT);
                try {
-                       String ua = config.getString(Config.USER_AGENT);
                        int hours = config.getInteger(Config.CACHE_MAX_TIME_CHANGING, -1);
                        int hoursLarge = config
                                        .getInteger(Config.CACHE_MAX_TIME_STABLE, -1);
-
-                       cache = new Cache(tmp, ua, hours, hoursLarge);
+                       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));
+                       cache = new DataLoader(ua);
+               }
+
+               cache.setTraceHandler(tracer);
+       }
+
+       /**
+        * The traces handler for this {@link Cache}.
+        * <p>
+        * 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;
+               cache.setTraceHandler(tracer);
        }
 
        /**
@@ -139,17 +219,53 @@ public class Instance {
        }
 
        /**
-        * Get the (unique) {@link Cache} for the program.
+        * Reset the configuration.
         * 
-        * @return the {@link Cache}
+        * @param resetTrans
+        *            also reset the translation files
         */
-       public static Cache getCache() {
+       public static void resetConfig(boolean resetTrans) {
+               String dir = Bundles.getDirectory();
+               Bundles.setDirectory(null);
+               try {
+                       try {
+                               ConfigBundle config = new ConfigBundle();
+                               config.updateFile(configDir);
+                       } catch (IOException e) {
+                               tracer.error(e);
+                       }
+                       try {
+                               UiConfigBundle uiconfig = new UiConfigBundle();
+                               uiconfig.updateFile(configDir);
+                       } catch (IOException e) {
+                               tracer.error(e);
+                       }
+
+                       if (resetTrans) {
+                               try {
+                                       StringIdBundle trans = new StringIdBundle(null);
+                                       trans.updateFile(configDir);
+                               } catch (IOException e) {
+                                       tracer.error(e);
+                               }
+                       }
+               } finally {
+                       Bundles.setDirectory(dir);
+               }
+       }
+
+       /**
+        * Get the (unique) {@link DataLoader} for the program.
+        * 
+        * @return the {@link DataLoader}
+        */
+       public static DataLoader getCache() {
                return cache;
        }
 
        /**
         * Get the (unique) {link StringIdBundle} for the program.
-        *
+        * 
         * @return the {link StringIdBundle}
         */
        public static StringIdBundle getTrans() {
@@ -157,11 +273,15 @@ public class Instance {
        }
 
        /**
-        * Get the (unique) {@link Library} for the program.
+        * Get the (unique) {@link LocalLibrary} for the program.
         * 
-        * @return the {@link Library}
+        * @return the {@link LocalLibrary}
         */
-       public static Library getLibrary() {
+       public static BasicLibrary getLibrary() {
+               if (lib == null) {
+                       throw new NullPointerException("We don't have a library to return");
+               }
+
                return lib;
        }
 
@@ -184,16 +304,61 @@ public class Instance {
        }
 
        /**
-        * Report an error to the user
+        * Return the directory where to store temporary files for the remote
+        * {@link LocalLibrary}.
         * 
-        * @param e
-        *            the {@link Exception} to report
+        * @param host
+        *            the remote for this host
+        * 
+        * @return the directory
         */
-       public static void syserr(Exception e) {
-               if (debug) {
-                       e.printStackTrace();
-               } else {
-                       System.err.println(e.getMessage());
+       public static File getRemoteDir(String host) {
+               remoteDir.mkdirs();
+
+               if (host != null) {
+                       return new File(remoteDir, host);
+               }
+
+               return remoteDir;
+       }
+
+       /**
+        * Check if we need to check that a new version of Fanfix is available.
+        * 
+        * @return TRUE if we need to
+        */
+       public static boolean isVersionCheckNeeded() {
+               try {
+                       long wait = config.getInteger(Config.UPDATE_INTERVAL, 1) * 24 * 60
+                                       * 60 * 1000;
+                       if (wait >= 0) {
+                               String lastUpString = IOUtils.readSmallFile(new File(configDir,
+                                               "LAST_UPDATE"));
+                               long delay = new Date().getTime()
+                                               - Long.parseLong(lastUpString);
+                               if (delay > wait) {
+                                       return true;
+                               }
+                       } else {
+                               return false;
+                       }
+               } catch (Exception e) {
+                       // No file or bad file:
+                       return true;
+               }
+
+               return false;
+       }
+
+       /**
+        * Notify that we checked for a new version of Fanfix.
+        */
+       public static void setVersionChecked() {
+               try {
+                       IOUtils.writeSmallFile(new File(configDir), "LAST_UPDATE",
+                                       Long.toString(new Date().getTime()));
+               } catch (IOException e) {
+                       tracer.error(e);
                }
        }
 
@@ -225,8 +390,7 @@ public class Instance {
                if (path != null && !path.isEmpty()) {
                        path = path.replace('/', File.separatorChar);
                        if (path.contains("$HOME")) {
-                               path = path.replace("$HOME",
-                                               "" + System.getProperty("user.home"));
+                               path = path.replace("$HOME", getHome());
                        }
 
                        file = new File(path);
@@ -235,6 +399,24 @@ public class Instance {
                return file;
        }
 
+       /**
+        * Return the home directory from the system properties.
+        * 
+        * @return the home
+        */
+       private static String getHome() {
+               String home = System.getProperty("user.home");
+               if (home == null || home.trim().isEmpty()) {
+                       home = System.getProperty("java.io.tmpdir");
+               }
+
+               if (home == null) {
+                       home = "";
+               }
+
+               return home;
+       }
+
        /**
         * The language to use for the application (NULL = default system language).
         *