import be.nikiroo.fanfix.bundles.UiConfig;
import be.nikiroo.fanfix.bundles.UiConfigBundle;
import be.nikiroo.fanfix.library.BasicLibrary;
+import be.nikiroo.fanfix.library.CacheLibrary;
import be.nikiroo.fanfix.library.LocalLibrary;
-import be.nikiroo.fanfix.output.BasicOutput.OutputType;
+import be.nikiroo.fanfix.library.RemoteLibrary;
+import be.nikiroo.utils.Cache;
import be.nikiroo.utils.IOUtils;
+import be.nikiroo.utils.TempFiles;
+import be.nikiroo.utils.TraceHandler;
import be.nikiroo.utils.resources.Bundles;
/**
* @author niki
*/
public class Instance {
- /**
- * A handler when a recoverable exception was caught by the program.
- *
- * @author niki
- */
- public interface SyserrHandler {
- /**
- * An exception happened, log it.
- *
- * @param e
- * the exception
- * @param showDetails
- * show more details (usually equivalent to the value of
- * DEBUG)
- */
- public void notify(Exception e, boolean showDetails);
- }
-
- /**
- * A handler when a trace message is sent.
- *
- * @author niki
- */
- public interface TraceHandler {
- /**
- * A trace happened, show it.
- * <p>
- * 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;
+ private static TempFiles tempFiles;
static {
- // Most of the rest is dependent upon this:
- config = new ConfigBundle();
-
- 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();
- }
+ // Before we can configure it:
+ tracer = new TraceHandler(true, checkEnv("DEBUG"), checkEnv("DEBUG"));
+ // config dir:
+ configDir = getConfigDir();
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);
- }
+ // Most of the rest is dependent upon this:
+ createConfigs(configDir, false);
- // 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());
+ // update tracer:
+ boolean debug = Instance.getConfig()
+ .getBoolean(Config.DEBUG_ERR, false);
+ boolean trace = Instance.getConfig().getBoolean(Config.DEBUG_TRACE,
+ false);
- // Fix an old bug (we used to store custom translation files by
- // default):
- if (trans.getString(StringId.INPUT_DESC_CBZ) == null) {
- // TODO: create the deleteFile method
- // trans.deleteFile(configDir);
+ if (checkEnv("DEBUG")) {
+ debug = true;
+ trace = true;
}
- Bundles.setDirectory(configDir);
+ tracer = new TraceHandler(true, debug, trace);
- 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));
- }
+ // default Library
+ remoteDir = new File(configDir, "remote");
+ lib = createDefaultLibrary(remoteDir);
- debug = Instance.getConfig().getBoolean(Config.DEBUG_ERR, false);
- trace = Instance.getConfig().getBoolean(Config.DEBUG_TRACE, false);
- coverDir = getFile(Config.DEFAULT_COVERS_DIR);
+ // create cache
File tmp = getFile(Config.CACHE_DIR);
- readerTmp = getFile(UiConfig.CACHE_DIR_LOCAL_READER);
- remoteDir = new File(getFile(Config.LIBRARY_DIR), "remote");
-
- if (checkEnv("NOUTF")) {
- trans.setUnicode(false);
- }
-
- if (checkEnv("DEBUG")) {
- debug = true;
- }
-
- // Could have used: System.getProperty("java.io.tmpdir")
if (tmp == null) {
+ // Could have used: System.getProperty("java.io.tmpdir")
tmp = new File(configDir, "tmp");
}
+ String ua = config.getString(Config.USER_AGENT);
+ try {
+ int hours = config.getInteger(Config.CACHE_MAX_TIME_CHANGING, -1);
+ int hoursLarge = config
+ .getInteger(Config.CACHE_MAX_TIME_STABLE, -1);
+ cache = new DataLoader(tmp, ua, hours, hoursLarge);
+ } catch (IOException e) {
+ tracer.error(new IOException(
+ "Cannot create cache (will continue without cache)", e));
+ cache = new DataLoader(ua);
+ }
+
+ cache.setTraceHandler(tracer);
+
+ // readerTmp / coverDir
+ readerTmp = getFile(UiConfig.CACHE_DIR_LOCAL_READER);
if (readerTmp == null) {
readerTmp = new File(configDir, "tmp-reader");
}
- //
+ coverDir = getFile(Config.DEFAULT_COVERS_DIR);
if (coverDir != null && !coverDir.exists()) {
- syserr(new IOException(
+ tracer.error(new IOException(
"The 'default covers' directory does not exists: "
+ coverDir));
coverDir = null;
}
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 DataLoader(tmp, ua, hours, hoursLarge);
+ tempFiles = new TempFiles("fanfix");
} catch (IOException e) {
- syserr(new IOException(
- "Cannot create cache (will continue without cache)", e));
+ tracer.error(new IOException("Cannot create temporary directory", e));
+ }
+ }
+
+ /**
+ * 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);
}
/**
return uiconfig;
}
+ /**
+ * Reset the configuration.
+ *
+ * @param resetTrans
+ * also reset the translation files
+ */
+ 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 LocalLibrary}
*/
public static BasicLibrary getLibrary() {
+ if (lib == null) {
+ throw new NullPointerException("We don't have a library to return");
+ }
+
return lib;
}
* @return the directory
*/
public static File getRemoteDir(String host) {
+ return getRemoteDir(remoteDir, host);
+ }
+
+ /**
+ * Return the directory where to store temporary files for the remote
+ * {@link LocalLibrary}.
+ *
+ * @param remoteDir
+ * the base remote directory
+ * @param host
+ * the remote for this host
+ *
+ * @return the directory
+ */
+ private static File getRemoteDir(File remoteDir, String host) {
remoteDir.mkdirs();
if (host != null) {
IOUtils.writeSmallFile(new File(configDir), "LAST_UPDATE",
Long.toString(new Date().getTime()));
} catch (IOException e) {
- syserr(e);
+ tracer.error(e);
}
}
/**
- * Replace the global syserr handler.
+ * The facility to use temporary files in this program.
+ * <p>
+ * <b>MUST</b> be closed at end of program.
*
- * @param syserrHandler
- * the new syserr handler
+ * @return the facility
*/
- public static void setSyserrHandler(SyserrHandler syserrHandler) {
- Instance.syserrHandler = syserrHandler;
+ public static TempFiles getTempFiles() {
+ return tempFiles;
}
/**
- * Replace the global trace handler.
+ * The configuration directory (will check, in order of preference,
+ * {@link Bundles#getDirectory()}, the system properties, the environment
+ * and then defaults to $HOME/.fanfix).
*
- * @param traceHandler
- * the new trace handler
+ * @return the config directory
*/
- public static void setTraceHandler(TraceHandler traceHandler) {
- Instance.traceHandler = traceHandler;
+ private static String getConfigDir() {
+ String configDir = Bundles.getDirectory();
+
+ if (configDir == null) {
+ configDir = System.getProperty("CONFIG_DIR");
+ }
+
+ if (configDir == null) {
+ configDir = System.getenv("CONFIG_DIR");
+ }
+
+ if (configDir == null) {
+ configDir = new File(getHome(), ".fanfix").getPath();
+ }
+
+ return configDir;
}
/**
- * Report an error to the user
+ * Create the config variables ({@link Instance#config},
+ * {@link Instance#uiconfig} and {@link Instance#trans}).
*
- * @param e
- * the {@link Exception} to report
+ * @param configDir
+ * the directory where to find the configuration files
+ * @param refresh
+ * TRUE to reset the configuration files from the default
+ * included ones
*/
- public static void syserr(Exception e) {
- if (syserrHandler != null) {
- syserrHandler.notify(e, debug);
- } else {
- if (debug) {
- e.printStackTrace();
- } else {
- System.err.println(e.getMessage());
- }
+ private static void createConfigs(String configDir, boolean refresh) {
+ if (!refresh) {
+ Bundles.setDirectory(configDir);
}
+
+ try {
+ 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);
+ }
+
+ if (checkEnv("NOUTF")) {
+ trans.setUnicode(false);
+ }
+
+ Bundles.setDirectory(configDir);
}
/**
- * Notify of a debug message.
+ * Create the default library as specified by the config.
+ *
+ * @param remoteDir
+ * the base remote directory if needed
*
- * @param message
- * the message
+ * @return the default {@link BasicLibrary}
*/
- public static void trace(String message) {
- if (trace) {
- if (traceHandler != null) {
- traceHandler.trace(message);
- } else {
- System.out.println(message);
+ private static BasicLibrary createDefaultLibrary(File remoteDir) {
+ BasicLibrary lib = null;
+
+ String remoteLib = config.getString(Config.DEFAULT_LIBRARY);
+ if (remoteLib == null || remoteLib.trim().isEmpty()) {
+ String libDir = System.getProperty("fanfix.libdir");
+ if (libDir == null || libDir.isEmpty()) {
+ libDir = config.getString(Config.LIBRARY_DIR);
+ }
+ try {
+ lib = new LocalLibrary(getFile(libDir));
+ } catch (Exception e) {
+ tracer.error(new IOException(
+ "Cannot create library for directory: "
+ + getFile(libDir), 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(remoteDir, host),
+ lib);
+
+ } catch (Exception e) {
+ }
+ }
+ }
+
+ if (lib == null) {
+ tracer.error(new IOException(
+ "Cannot create remote library for: " + remoteLib));
}
}
+
+ return lib;
}
/**
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);
return file;
}
+ /**
+ * Return the home directory from the system properties.
+ *
+ * @return the home
+ */
+ private static String getHome() {
+ String home = System.getProperty("fanfix.home");
+ if (home != null && new File(home).isFile()) {
+ home = null;
+ }
+
+ if (home == null || home.trim().isEmpty()) {
+ home = System.getProperty("user.home");
+ if (!new File(home).isDirectory()) {
+ home = null;
+ }
+ }
+
+ if (home == null || home.trim().isEmpty()) {
+ home = System.getProperty("java.io.tmpdir");
+ if (!new File(home).isDirectory()) {
+ home = null;
+ }
+ }
+
+ if (home == null) {
+ home = "";
+ }
+
+ return home;
+ }
+
/**
* The language to use for the application (NULL = default system language).
*