* see method description
*/
public static void main(String[] args) {
+ new Main().start(args);
+ }
+
+ /**
+ * Start the default handling for the application.
+ * <p>
+ * If specific actions were asked (with correct parameters), they will be
+ * forwarded to the different protected methods that you can override.
+ * <p>
+ * At the end of the method, {@link Main#exit(int)} will be called; by
+ * default, it calls {@link System#exit(int)} if the status is not 0.
+ *
+ * @param args
+ * the arguments received from the system
+ */
+ public void start(String [] args) {
// Only one line, but very important:
Instance.init();
Progress pg = new Progress();
mainProgress.addProgress(pg, mainProgress.getMax());
- VersionCheck updates = VersionCheck.check();
- if (updates.isNewVersionAvailable()) {
- // Sent to syserr so not to cause problem if one tries to capture a
- // story content in text mode
- System.err
- .println("A new version of the program is available at https://github.com/nikiroo/fanfix/releases");
- System.err.println("");
- for (Version v : updates.getNewer()) {
- System.err.println("\tVersion " + v);
- System.err.println("\t-------------");
- System.err.println("");
- for (String it : updates.getChanges().get(v)) {
- System.err.println("\t- " + it);
- }
- System.err.println("");
- }
- }
+ VersionCheck updates = checkUpdates();
if (exitCode == 0) {
switch (action) {
case IMPORT:
- exitCode = imprt(urlString, pg);
- updates.ok(); // we consider it read
+ if (updates != null)
+ updates.ok(); // we consider it read
+
+ try {
+ exitCode = imprt(BasicReader.getUrl(urlString), pg);
+ } catch (MalformedURLException e) {
+ Instance.getInstance().getTraceHandler().error(e);
+ exitCode = 1;
+ }
+
break;
case EXPORT:
- exitCode = export(luid, sourceString, target, pg);
- updates.ok(); // we consider it read
+ if (updates != null)
+ updates.ok(); // we consider it read
+
+ OutputType exportType = OutputType.valueOfNullOkUC(sourceString, null);
+ if (exportType == null) {
+ Instance.getInstance().getTraceHandler().error(new Exception(trans(StringId.OUTPUT_DESC, sourceString)));
+ exitCode = 1;
+ break;
+ }
+
+ exitCode = export(luid, exportType, target, pg);
+
break;
case CONVERT:
- exitCode = convert(urlString, sourceString, target,
+ if (updates != null)
+ updates.ok(); // we consider it read
+
+ OutputType convertType = OutputType.valueOfAllOkUC(sourceString, null);
+ if (convertType == null) {
+ Instance.getInstance().getTraceHandler()
+ .error(new IOException(trans(StringId.ERR_BAD_OUTPUT_TYPE, sourceString)));
+
+ exitCode = 2;
+ break;
+ }
+
+ exitCode = convert(urlString, convertType, target,
plusInfo == null ? false : plusInfo, pg);
- updates.ok(); // we consider it read
+
break;
case LIST:
exitCode = list(sourceString);
}
try {
+ Integer chap = null;
+ if (chapString != null) {
+ try {
+ chap = Integer.parseInt(chapString);
+ } catch (NumberFormatException e) {
+ Instance.getInstance().getTraceHandler().error(new IOException(
+ "Chapter number cannot be parsed: " + chapString, e));
+ exitCode = 2;
+ break;
+ }
+ }
+
BasicLibrary lib = Instance.getInstance().getLibrary();
- exitCode = read(lib.getStory(luid, null), chapString);
+ exitCode = read(lib.getStory(luid, null), chap);
} catch (IOException e) {
Instance.getInstance().getTraceHandler()
.error(new IOException("Failed to read book", e));
}
try {
+ Integer chap = null;
+ if (chapString != null) {
+ try {
+ chap = Integer.parseInt(chapString);
+ } catch (NumberFormatException e) {
+ Instance.getInstance().getTraceHandler().error(new IOException(
+ "Chapter number cannot be parsed: " + chapString, e));
+ exitCode = 2;
+ break;
+ }
+ }
+
BasicSupport support = BasicSupport
.getSupport(BasicReader.getUrl(urlString));
if (support == null) {
break;
}
- exitCode = read(support.process(null), chapString);
+ exitCode = read(support.process(null), chap);
} catch (IOException e) {
Instance.getInstance().getTraceHandler()
.error(new IOException("Failed to read book", e));
break;
}
- try {
- if (searchOn == null) {
- new CliReader().listSearchables();
- } else if (search != null) {
-
- new CliReader().searchBooksByKeyword(searchOn, search, page,
- item);
- } else {
- exitCode = 255;
+ if (searchOn == null) {
+ try {
+ search();
+ } catch (IOException e) {
+ Instance.getInstance().getTraceHandler().error(e);
+ exitCode = 1;
}
- } catch (IOException e1) {
- Instance.getInstance().getTraceHandler().error(e1);
- exitCode = 20;
+ } else if (search != null) {
+ try {
+ searchKeywords(searchOn, search, page, item);
+ } catch (IOException e) {
+ Instance.getInstance().getTraceHandler().error(e);
+ exitCode = 20;
+ }
+ } else {
+ exitCode = 255;
}
break;
}
try {
- new CliReader().searchBooksByTag(searchOn, page, item,
- tags.toArray(new Integer[] {}));
- } catch (IOException e1) {
- Instance.getInstance().getTraceHandler().error(e1);
+ searchTags(searchOn, page, item,
+ tags.toArray(new Integer[] {}));
+ } catch (IOException e) {
+ Instance.getInstance().getTraceHandler().error(e);
}
break;
exitCode = 0;
break;
case VERSION:
+ if (updates != null)
+ updates.ok(); // we consider it read
+
System.out
.println(String.format("Fanfix version %s"
+ "%nhttps://github.com/nikiroo/fanfix/"
+ "%n\tWritten by Nikiroo",
Version.getCurrentVersion()));
- updates.ok(); // we consider it read
break;
case START:
try {
- new CliReader().listBooks(null);
+ start();
} catch (IOException e) {
Instance.getInstance().getTraceHandler().error(e);
exitCode = 66;
break;
}
try {
- ServerObject server = new RemoteLibraryServer(key, port);
- server.setTraceHandler(Instance.getInstance().getTraceHandler());
- server.run();
+ startServer(key, port);
} catch (IOException e) {
Instance.getInstance().getTraceHandler().error(e);
}
- return;
+
+ break;
case STOP_SERVER:
// Can be given via "--remote XX XX XX"
if (key == null)
break;
}
try {
- new RemoteLibrary(key, host, port).exit();
+ stopServer(key, host, port);
} catch (SSLException e) {
Instance.getInstance().getTraceHandler().error(
"Bad access key for remote library");
try {
Instance.getInstance().getTempFiles().close();
} catch (IOException e) {
- Instance.getInstance().getTraceHandler().error(new IOException("Cannot dispose of the temporary files", e));
+ Instance.getInstance().getTraceHandler().error(new IOException(
+ "Cannot dispose of the temporary files", e));
}
if (exitCode == 255) {
syntax(false);
}
- System.exit(exitCode);
+ exit(exitCode);
+ }
+
+ /**
+ * A normal invocation of the program (without parameters or at least
+ * without "action" parameters).
+ * <p>
+ * You will probably want to override that one if you offer a user
+ * interface.
+ *
+ * @throws IOException
+ * in case of I/O error
+ */
+ protected void start() throws IOException {
+ new CliReader().listBooks(null);
+ }
+
+ /**
+ * Will check if updates are available.
+ * <p>
+ * For this, it will simply forward the call to
+ * {@link Main#checkUpdates(String)} with a value of "nikiroo/fanfix".
+ *
+ * @return the newer version information or NULL if nothing new
+ */
+ protected VersionCheck checkUpdates() {
+ return checkUpdates("nikiroo/fanfix");
+ }
+
+ /**
+ * Will check if updates are available on a specific GitHub project.
+ * <p>
+ * Will be called by {@link Main#checkUpdates()}, but if you override that
+ * one you mall call it with another project.
+ *
+ * @param githubProject
+ * the GitHub project, for instance "nikiroo/fanfix"
+ *
+ * @return the newer version information or NULL if nothing new
+ */
+ protected VersionCheck checkUpdates(String githubProject) {
+ VersionCheck updates = VersionCheck.check(githubProject);
+ if (updates.isNewVersionAvailable()) {
+ notifyUpdates(updates);
+ return updates;
+ }
+
+ return null;
}
+ /**
+ * Notify the user about available updates.
+ * <p>
+ * Will only be called when a version is available.
+ * <p>
+ * Note that you can call {@link VersionCheck#ok()} on it if the user has
+ * read the information (by default, it is marked read only on certain other
+ * actions).
+ *
+ * @param updates
+ * the new version information
+ */
+ protected void notifyUpdates(VersionCheck updates) {
+ // Sent to syserr so not to cause problem if one tries to capture a
+ // story content in text mode
+ System.err.println(
+ "A new version of the program is available at https://github.com/nikiroo/fanfix/releases");
+ System.err.println("");
+ for (Version v : updates.getNewer()) {
+ System.err.println("\tVersion " + v);
+ System.err.println("\t-------------");
+ System.err.println("");
+ for (String it : updates.getChanges().get(v)) {
+ System.err.println("\t- " + it);
+ }
+ System.err.println("");
+ }
+ }
+
/**
* Import the given resource into the {@link LocalLibrary}.
*
- * @param urlString
+ * @param url
* the resource to import
* @param pg
* the optional progress reporter
*
* @return the exit return code (0 = success)
*/
- public static int imprt(String urlString, Progress pg) {
+ protected static int imprt(URL url, Progress pg) {
try {
- MetaData meta = Instance.getInstance().getLibrary().imprt(BasicReader.getUrl(urlString), pg);
+ MetaData meta = Instance.getInstance().getLibrary().imprt(url, pg);
System.out.println(meta.getLuid() + ": \"" + meta.getTitle() + "\" imported.");
} catch (IOException e) {
Instance.getInstance().getTraceHandler().error(e);
*
* @param luid
* the story LUID
- * @param typeString
+ * @param type
* the {@link OutputType} to use
* @param target
* the target
*
* @return the exit return code (0 = success)
*/
- public static int export(String luid, String typeString, String target,
+ protected static int export(String luid, OutputType type, String target,
Progress pg) {
- OutputType type = OutputType.valueOfNullOkUC(typeString, null);
- if (type == null) {
- Instance.getInstance().getTraceHandler().error(new Exception(trans(StringId.OUTPUT_DESC, typeString)));
- return 1;
- }
-
try {
Instance.getInstance().getLibrary().export(luid, type, target, pg);
} catch (IOException e) {
return 0;
}
-
+
/**
* List the stories of the given source from the {@link LocalLibrary}
* (unless NULL is passed, in which case all stories will be listed).
*
* @return the exit return code (0 = success)
*/
- private static int list(String source) {
+ protected int list(String source) {
try {
new CliReader().listBooks(source);
} catch (IOException e) {
*
* @param story
* the story to read
- * @param chapString
+ * @param chap
* which {@link Chapter} to read (starting at 1), or NULL to get
* the {@link Story} description
*
* @return the exit return code (0 = success)
*/
- private static int read(Story story, String chapString) {
- Integer chap = null;
- if (chapString != null) {
- try {
- chap = Integer.parseInt(chapString);
- } catch (NumberFormatException e) {
- Instance.getInstance().getTraceHandler().error(new IOException(
- "Chapter number cannot be parsed: " + chapString, e));
- return 2;
- }
- }
-
+ protected int read(Story story, Integer chap) {
if (story != null) {
try {
if (chap == null) {
}
} else {
Instance.getInstance().getTraceHandler()
- .error("Cannot find book: " + chapString);
+ .error("Cannot find book: " + story);
return 2;
}
*
* @param urlString
* the source {@link Story} to convert
- * @param typeString
+ * @param type
* the {@link OutputType} to convert to
* @param target
* the target file
*
* @return the exit return code (0 = success)
*/
- public static int convert(String urlString, String typeString,
+ protected int convert(String urlString, OutputType type,
String target, boolean infoCover, Progress pg) {
int exitCode = 0;
sourceName = sourceName.substring("file://".length());
}
- OutputType type = OutputType.valueOfAllOkUC(typeString, null);
- if (type == null) {
- Instance.getInstance().getTraceHandler()
- .error(new IOException(trans(StringId.ERR_BAD_OUTPUT_TYPE, typeString)));
+ try {
+ BasicSupport support = BasicSupport.getSupport(source);
- exitCode = 2;
- } else {
- try {
- BasicSupport support = BasicSupport.getSupport(source);
-
- if (support != null) {
- Instance.getInstance().getTraceHandler().trace("Support found: " + support.getClass());
- Progress pgIn = new Progress();
- Progress pgOut = new Progress();
- if (pg != null) {
- pg.setMax(2);
- pg.addProgress(pgIn, 1);
- pg.addProgress(pgOut, 1);
- }
+ if (support != null) {
+ Instance.getInstance().getTraceHandler()
+ .trace("Support found: " + support.getClass());
+ Progress pgIn = new Progress();
+ Progress pgOut = new Progress();
+ if (pg != null) {
+ pg.setMax(2);
+ pg.addProgress(pgIn, 1);
+ pg.addProgress(pgOut, 1);
+ }
- Story story = support.process(pgIn);
- try {
- target = new File(target).getAbsolutePath();
- BasicOutput.getOutput(type, infoCover, infoCover).process(story, target, pgOut);
- } catch (IOException e) {
- Instance.getInstance().getTraceHandler()
- .error(new IOException(trans(StringId.ERR_SAVING, target), e));
- exitCode = 5;
- }
- } else {
+ Story story = support.process(pgIn);
+ try {
+ target = new File(target).getAbsolutePath();
+ BasicOutput.getOutput(type, infoCover, infoCover)
+ .process(story, target, pgOut);
+ } catch (IOException e) {
Instance.getInstance().getTraceHandler()
- .error(new IOException(trans( StringId.ERR_NOT_SUPPORTED, source)));
-
- exitCode = 4;
+ .error(new IOException(
+ trans(StringId.ERR_SAVING, target), e));
+ exitCode = 5;
}
- } catch (IOException e) {
+ } else {
Instance.getInstance().getTraceHandler()
- .error(new IOException(trans(StringId.ERR_LOADING, sourceName), e));
- exitCode = 3;
+ .error(new IOException(
+ trans(StringId.ERR_NOT_SUPPORTED, source)));
+
+ exitCode = 4;
}
+ } catch (IOException e) {
+ Instance.getInstance().getTraceHandler().error(new IOException(
+ trans(StringId.ERR_LOADING, sourceName), e));
+ exitCode = 3;
}
} catch (MalformedURLException e) {
Instance.getInstance().getTraceHandler().error(new IOException(trans(StringId.ERR_BAD_URL, sourceName), e));
return exitCode;
}
- /**
- * Simple shortcut method to call {link Instance#getTrans()#getString()}.
- *
- * @param id
- * the ID to translate
- *
- * @return the translated result
- */
- private static String trans(StringId id, Object... params) {
- return Instance.getInstance().getTrans().getString(id, params);
- }
-
/**
* Display the correct syntax of the program to the user to stdout, or an
* error message if the syntax used was wrong on stderr.
* @param showHelp
* TRUE to show the syntax help, FALSE to show "syntax error"
*/
- private static void syntax(boolean showHelp) {
+ protected void syntax(boolean showHelp) {
if (showHelp) {
StringBuilder builder = new StringBuilder();
for (SupportType type : SupportType.values()) {
System.err.println(trans(StringId.ERR_SYNTAX));
}
}
+
+ /**
+ * Starts a search operation (i.e., list the available web sites we can
+ * search on).
+ *
+ * @throws IOException
+ * in case of I/O errors
+ */
+ protected void search() throws IOException {
+ new CliReader().listSearchables();
+ }
+
+ /**
+ * Search for books by keywords on the given supported web site.
+ *
+ * @param searchOn
+ * the web site to search on
+ * @param search
+ * the keyword to look for
+ * @param page
+ * the page of results to get, or 0 to inquire about the number
+ * of pages
+ * @param item
+ * the index of the book we are interested by, or 0 to query
+ * about how many books are in that page of results
+ *
+ * @throws IOException
+ * in case of I/O error
+ */
+ protected void searchKeywords(SupportType searchOn, String search,
+ int page, Integer item) throws IOException {
+ new CliReader().searchBooksByKeyword(searchOn, search, page, item);
+ }
+
+ /**
+ * Search for books by tags on the given supported web site.
+ *
+ * @param searchOn
+ * the web site to search on
+ * @param page
+ * the page of results to get, or 0 to inquire about the number
+ * of pages
+ * @param item
+ * the index of the book we are interested by, or 0 to query
+ * about how many books are in that page of results
+ * @param tags
+ * the tags to look for
+ *
+ * @throws IOException
+ * in case of I/O error
+ */
+ protected void searchTags(SupportType searchOn, Integer page, Integer item,
+ Integer[] tags) throws IOException {
+ new CliReader().searchBooksByTag(searchOn, page, item, tags);
+ }
+
+ /**
+ * Start a Fanfix server.
+ *
+ * @param key
+ * the key taht will be needed to contact the Fanfix server
+ * @param port
+ * the port on which to run
+ *
+ * @throws IOException
+ * in case of I/O errors
+ * @throws SSLException
+ * when the key was not accepted
+ */
+ private void startServer(String key, int port) throws IOException {
+ ServerObject server = new RemoteLibraryServer(key, port);
+ server.setTraceHandler(Instance.getInstance().getTraceHandler());
+ server.run();
+ }
+
+ /**
+ * Stop a running Fanfix server.
+ *
+ * @param key
+ * the key to contact the Fanfix server
+ * @param host
+ * the host on which it runs (NULL means localhost)
+ * @param port
+ * the port on which it runs
+ *
+ * @throws IOException
+ * in case of I/O errors
+ * @throws SSLException
+ * when the key was not accepted
+ */
+ private void stopServer(
+ String key, String host, Integer port)
+ throws IOException, SSLException {
+ new RemoteLibrary(key, host, port).exit();
+ }
+
+ /**
+ * We are done and ready to exit.
+ * <p>
+ * By default, it will call {@link System#exit(int)} if the status is not 0.
+ *
+ * @param status
+ * the exit status
+ */
+ protected void exit(int status) {
+ if (status != 0) {
+ System.exit(status);
+ }
+ }
+
+ /**
+ * Simple shortcut method to call {link Instance#getTrans()#getString()}.
+ *
+ * @param id
+ * the ID to translate
+ *
+ * @return the translated result
+ */
+ static private String trans(StringId id, Object... params) {
+ return Instance.getInstance().getTrans().getString(id, params);
+ }
}
git://git.nikiroo.be / nikiroo-utils.git / commitdiff