package be.nikiroo.jvcard.launcher;
import java.io.File;
import java.io.IOException;
import java.lang.reflect.Field;
import java.net.Socket;
import java.nio.charset.Charset;
import java.util.LinkedList;
import java.util.List;
import be.nikiroo.jvcard.Card;
import be.nikiroo.jvcard.launcher.CardResult.MergeCallback;
import be.nikiroo.jvcard.parsers.Format;
import be.nikiroo.jvcard.remote.Command;
import be.nikiroo.jvcard.remote.SimpleSocket;
import be.nikiroo.jvcard.resources.Bundles;
import be.nikiroo.jvcard.resources.StringUtils;
import be.nikiroo.jvcard.resources.Trans;
import be.nikiroo.jvcard.resources.Trans.StringId;
/**
* This class contains the runnable Main method. It will parse the user supplied
* parameters and take action based upon those. Most of the time, it will start
* a MainWindow.
*
* @author niki
*
*/
public class Main {
static public final String APPLICATION_TITLE = "jVcard";
static public final String APPLICATION_VERSION = "1.0-beta2-dev";
static private final int ERR_NO_FILE = 1;
static private final int ERR_SYNTAX = 2;
static private final int ERR_INTERNAL = 3;
static private Trans transService;
/**
* Translate the given {@link StringId}.
*
* @param id
* the ID to translate
*
* @return the translation
*/
static public String trans(StringId id) {
return transService.trans(id);
}
/**
* Check if unicode characters should be used.
*
* @return TRUE to allow unicode
*/
static public boolean isUnicode() {
return transService.isUnicode();
}
/**
* Start the application.
*
*
* The returned exit codes are:
*
* - 1: no files to open
* - 2: invalid syntax
* - 3: internal error
*
*
*
* @param args
* the parameters (see --help to know which are
* supported)
*/
public static void main(String[] args) {
Boolean textMode = null;
boolean noMoreParams = false;
boolean filesTried = false;
// get the "system default" language to help translate the --help
// message if needed
String language = null;
transService = new Trans(language);
boolean unicode = transService.isUnicode();
String i18nDir = null;
List files = new LinkedList();
Integer port = null;
for (int index = 0; index < args.length; index++) {
String arg = args[index];
if (!noMoreParams && arg.equals("--")) {
noMoreParams = true;
} else if (!noMoreParams && arg.equals("--help")) {
System.out
.println("TODO: implement some help text.\n"
+ "Usable switches:\n"
+ "\t--: stop looking for switches\n"
+ "\t--help: this here thingy\n"
+ "\t--lang LANGUAGE: choose the language, for instance en_GB\n"
+ "\t--tui: force pure text mode even if swing treminal is available\n"
+ "\t--gui: force swing terminal mode\n"
+ "\t--noutf: force non-utf8 mode if you need it\n"
+ "\t--config DIRECTORY: force the given directory as a CONFIG_DIR\n"
+ "\t--server PORT: start a remoting server instead of a client\n"
+ "\t--i18n DIR: generate the translation file for the given language (can be \"\") to/from the .properties given dir\n"
+ "everyhing else is either a file to open or a directory to open\n"
+ "(we will only open 1st level files in given directories)\n"
+ "('jvcard://hostname:8888/file' links -- or without 'file' -- are also ok)\n");
return;
} else if (!noMoreParams && arg.equals("--tui")) {
textMode = true;
} else if (!noMoreParams && arg.equals("--gui")) {
textMode = false;
} else if (!noMoreParams && arg.equals("--noutf")) {
unicode = false;
transService.setUnicode(unicode);
} else if (!noMoreParams && arg.equals("--lang")) {
index++;
if (index >= args.length) {
System.err.println("Syntax error: no language given");
System.exit(ERR_SYNTAX);
return;
}
language = args[index];
transService = new Trans(language);
transService.setUnicode(unicode);
} else if (!noMoreParams && arg.equals("--config")) {
index++;
if (index >= args.length) {
System.err
.println("Syntax error: no config directory given");
System.exit(ERR_SYNTAX);
return;
}
Bundles.setDirectory(args[index]);
transService = new Trans(language);
transService.setUnicode(unicode);
} else if (!noMoreParams && arg.equals("--server")) {
index++;
if (index >= args.length) {
System.err.println("Syntax error: no port given");
System.exit(ERR_SYNTAX);
return;
}
try {
port = Integer.parseInt(args[index]);
} catch (NumberFormatException e) {
System.err.println("Invalid port number: " + args[index]);
System.exit(ERR_SYNTAX);
return;
}
} else if (!noMoreParams && arg.equals("--i18n")) {
index++;
if (index >= args.length) {
System.err
.println("Syntax error: no .properties directory given");
System.exit(ERR_SYNTAX);
return;
}
i18nDir = args[index];
} else {
filesTried = true;
files.addAll(open(arg));
}
}
if (unicode) {
utf8();
}
// Error management:
if (port != null && files.size() > 0) {
System.err
.println("Invalid syntax: you cannot both use --server and provide card files");
System.exit(ERR_SYNTAX);
} else if (i18nDir != null && files.size() > 0) {
System.err
.println("Invalid syntax: you cannot both use --i18n and provide card files");
System.exit(ERR_SYNTAX);
} else if (port != null && i18nDir != null) {
System.err
.println("Invalid syntax: you cannot both use --server and --i18n");
System.exit(ERR_SYNTAX);
} else if (i18nDir != null && language == null) {
System.err
.println("Invalid syntax: you cannot use --i18n without --lang");
System.exit(ERR_SYNTAX);
} else if (port == null && i18nDir == null && files.size() == 0) {
if (files.size() == 0 && !filesTried) {
files.addAll(open("."));
}
if (files.size() == 0) {
System.err.println("No files to open");
System.exit(ERR_NO_FILE);
return;
}
}
//
if (port != null) {
try {
Optional.runServer(port);
} catch (Exception e) {
if (e instanceof IOException) {
System.err
.println("I/O Exception: Cannot start the server");
} else {
System.err.println("Remoting support not available");
System.exit(ERR_INTERNAL);
}
}
} else if (i18nDir != null) {
try {
Trans.generateTranslationFile(i18nDir, language);
} catch (IOException e) {
System.err
.println("I/O Exception: Cannot create/update a language in directory: "
+ i18nDir);
}
} else {
try {
Optional.startTui(textMode, files);
} catch (Exception e) {
if (e instanceof IOException) {
System.err
.println("I/O Exception: Cannot start the program with the given cards");
} else {
System.err.println("TUI support not available");
System.exit(ERR_INTERNAL);
}
}
}
}
/**
* Return the {@link Card} corresponding to the given resource name -- a
* file or a remote jvcard URL
*
* @param input
* a filename or a remote jvcard url with named resource (e.g.:
* jvcard://localhost:4444/coworkers.vcf)
* @param callback
* the {@link MergeCallback} to call in case of conflict, or NULL
* to disallow conflict management (the {@link Card} will not be
* allowed to synchronise in case of conflicts)
*
* @return the {@link Card}
*
* @throws IOException
* in case of IO error or remoting not available
*/
static public CardResult getCard(String input, MergeCallback callback)
throws IOException {
boolean remote = false;
Format format = Format.Abook;
String ext = input;
if (ext.contains(".")) {
String tab[] = ext.split("\\.");
if (tab.length > 1 && tab[tab.length - 1].equalsIgnoreCase("vcf")) {
format = Format.VCard21;
}
}
if (input.contains("://")) {
format = Format.VCard21;
remote = true;
}
CardResult card = null;
try {
if (remote) {
card = Optional.syncCard(input, callback);
} else {
card = new CardResult(new Card(new File(input), format), false,
false, false);
}
} catch (IOException ioe) {
throw ioe;
} catch (Exception e) {
throw new IOException("Remoting support not available", e);
}
return card;
}
/**
* Open the given path and add all its files if it is a directory or just
* this one if not to the returned list.
*
* @param path
* the path to open
*
* @return the list of opened files
*/
static private List open(String path) {
List files = new LinkedList();
if (path != null && path.startsWith("jvcard://")) {
if (path.endsWith("/")) {
files.addAll(list(path));
} else {
files.add(path);
}
} else {
File file = new File(path);
if (file.exists()) {
if (file.isDirectory()) {
for (File subfile : file.listFiles()) {
if (!subfile.isDirectory())
files.add(subfile.getAbsolutePath());
}
} else {
files.add(file.getAbsolutePath());
}
} else {
System.err.println("File or directory not found: \"" + path
+ "\"");
}
}
return files;
}
/**
* List all the available {@link Card}s on the given network location (which
* is expected to be a jVCard remote server, obviously).
*
* @param path
* the jVCard remote server path (e.g.:
* jvcard://localhost:4444/)
*
* @return the list of {@link Card}s
*/
static private List list(String path) {
List files = new LinkedList();
try {
String host = path.split("\\:")[1].substring(2);
int port = Integer.parseInt(path.split("\\:")[2].replaceAll("/$",
""));
SimpleSocket s = new SimpleSocket(new Socket(host, port),
"sync client");
s.open(true);
s.sendCommand(Command.LIST_CARD);
for (String p : s.receiveBlock()) {
files.add(path
+ p.substring(StringUtils.fromTime(0).length() + 1));
}
s.close();
} catch (Exception e) {
e.printStackTrace();
}
return files;
}
/**
* Really, really ask for UTF-8 encoding.
*/
static private void utf8() {
try {
System.setProperty("file.encoding", "UTF-8");
Field charset = Charset.class.getDeclaredField("defaultCharset");
charset.setAccessible(true);
charset.set(null, null);
} catch (SecurityException e) {
} catch (NoSuchFieldException e) {
} catch (IllegalArgumentException e) {
} catch (IllegalAccessException e) {
}
}
}