+++ /dev/null
-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.StringIdBundle;
-import be.nikiroo.fanfix.bundles.UiConfig;
-import be.nikiroo.fanfix.bundles.UiConfigBundle;
-import be.nikiroo.fanfix.library.BasicLibrary;
-import be.nikiroo.fanfix.library.LocalLibrary;
-import be.nikiroo.fanfix.output.BasicOutput.OutputType;
-import be.nikiroo.utils.IOUtils;
-import be.nikiroo.utils.resources.Bundles;
-
-/**
- * Global state for the program (services and singletons).
- *
- * @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 File coverDir;
- private static File readerTmp;
- private static File remoteDir;
- private static String configDir;
-
- private static SyserrHandler syserrHandler;
-
- private static TraceHandler traceHandler;
-
- 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();
- }
-
- 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);
- }
-
- Bundles.setDirectory(configDir);
-
- 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);
- 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");
-
- if (checkEnv("NOUTF")) {
- trans.setUnicode(false);
- }
-
- if (checkEnv("DEBUG")) {
- debug = true;
- }
-
- // Could have used: System.getProperty("java.io.tmpdir")
- if (tmp == null) {
- tmp = new File(configDir, "tmp");
- }
- if (readerTmp == null) {
- readerTmp = new File(configDir, "tmp-reader");
- }
- //
-
- if (coverDir != null && !coverDir.exists()) {
- syserr(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);
- } catch (IOException e) {
- syserr(new IOException(
- "Cannot create cache (will continue without cache)", e));
- }
- }
-
- /**
- * Get the (unique) configuration service for the program.
- *
- * @return the configuration service
- */
- public static ConfigBundle getConfig() {
- return config;
- }
-
- /**
- * Get the (unique) UI configuration service for the program.
- *
- * @return the configuration service
- */
- public static UiConfigBundle getUiConfig() {
- return uiconfig;
- }
-
- /**
- * 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() {
- return trans;
- }
-
- /**
- * Get the (unique) {@link LocalLibrary} for the program.
- *
- * @return the {@link LocalLibrary}
- */
- public static BasicLibrary getLibrary() {
- return lib;
- }
-
- /**
- * Return the directory where to look for default cover pages.
- *
- * @return the default covers directory
- */
- public static File getCoverDir() {
- return coverDir;
- }
-
- /**
- * Return the directory where to store temporary files for the local reader.
- *
- * @return the directory
- */
- public static File getReaderDir() {
- return readerTmp;
- }
-
- /**
- * Return the directory where to store temporary files for the remote
- * {@link LocalLibrary}.
- *
- * @param host
- * the remote for this host
- *
- * @return the directory
- */
- 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) {
- 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);
- }
- }
- }
-
- /**
- * Return a path, but support the special $HOME variable.
- *
- * @return the path
- */
- private static File getFile(Config id) {
- return getFile(config.getString(id));
- }
-
- /**
- * Return a path, but support the special $HOME variable.
- *
- * @return the path
- */
- private static File getFile(UiConfig id) {
- return getFile(uiconfig.getString(id));
- }
-
- /**
- * Return a path, but support the special $HOME variable.
- *
- * @return the path
- */
- private static File getFile(String path) {
- File file = null;
- if (path != null && !path.isEmpty()) {
- path = path.replace('/', File.separatorChar);
- if (path.contains("$HOME")) {
- path = path.replace("$HOME",
- "" + System.getProperty("user.home"));
- }
-
- file = new File(path);
- }
-
- return file;
- }
-
- /**
- * The language to use for the application (NULL = default system language).
- *
- * @return the language
- */
- private static String getLang() {
- String lang = config.getString(Config.LANG);
-
- if (System.getenv("LANG") != null && !System.getenv("LANG").isEmpty()) {
- lang = System.getenv("LANG");
- }
-
- if (lang != null && lang.isEmpty()) {
- lang = null;
- }
-
- return lang;
- }
-
- /**
- * Check that the given environment variable is "enabled".
- *
- * @param key
- * the variable to check
- *
- * @return TRUE if it is
- */
- private static boolean checkEnv(String key) {
- String value = System.getenv(key);
- if (value != null) {
- value = value.trim().toLowerCase();
- if ("yes".equals(value) || "true".equals(value)
- || "on".equals(value) || "1".equals(value)
- || "y".equals(value)) {
- return true;
- }
- }
-
- return false;
- }
-}
git://git.nikiroo.be / nikiroo-utils.git / blobdiff