List of usage examples for java.util.logging Logger log
public void log(Level level, Throwable thrown, Supplier<String> msgSupplier)
From source file:Main.java
public static void main(String[] argv) { Logger logger = Logger.getLogger("com.mycompany.MyClass"); try {// w ww . java 2 s. c om throw new IOException(); } catch (Throwable e) { logger.log(Level.SEVERE, "Uncaught exception", e); } Exception ex = new IllegalStateException(); logger.throwing("Main class", "myMethod", ex); }
From source file:Person.java
public static void main(String args[]) { Logger logger = Logger.getLogger("your.logging"); AgeFilter filter = new AgeFilter(); logger.setFilter(filter);/*from w ww . j av a 2 s. c o m*/ Person person = new Person("YourName", 32); logger.log(Level.INFO, "Person has age " + person.getAge(), person); }
From source file:DaytimeServer.java
public static void main(String args[]) { try { // Handle startup exceptions at the end of this block // Get an encoder for converting strings to bytes CharsetEncoder encoder = Charset.forName("US-ASCII").newEncoder(); // Allow an alternative port for testing with non-root accounts int port = 13; // RFC867 specifies this port. if (args.length > 0) port = Integer.parseInt(args[0]); // The port we'll listen on SocketAddress localport = new InetSocketAddress(port); // Create and bind a tcp channel to listen for connections on. ServerSocketChannel tcpserver = ServerSocketChannel.open(); tcpserver.socket().bind(localport); // Also create and bind a DatagramChannel to listen on. DatagramChannel udpserver = DatagramChannel.open(); udpserver.socket().bind(localport); // Specify non-blocking mode for both channels, since our // Selector object will be doing the blocking for us. tcpserver.configureBlocking(false); udpserver.configureBlocking(false); // The Selector object is what allows us to block while waiting // for activity on either of the two channels. Selector selector = Selector.open(); // Register the channels with the selector, and specify what // conditions (a connection ready to accept, a datagram ready // to read) we'd like the Selector to wake up for. // These methods return SelectionKey objects, which we don't // need to retain in this example. tcpserver.register(selector, SelectionKey.OP_ACCEPT); udpserver.register(selector, SelectionKey.OP_READ); // This is an empty byte buffer to receive emtpy datagrams with. // If a datagram overflows the receive buffer size, the extra bytes // are automatically discarded, so we don't have to worry about // buffer overflow attacks here. ByteBuffer receiveBuffer = ByteBuffer.allocate(0); // Now loop forever, processing client connections for (;;) { try { // Handle per-connection problems below // Wait for a client to connect selector.select();//from w ww .j a v a 2s . c om // If we get here, a client has probably connected, so // put our response into a ByteBuffer. String date = new java.util.Date().toString() + "\r\n"; ByteBuffer response = encoder.encode(CharBuffer.wrap(date)); // Get the SelectionKey objects for the channels that have // activity on them. These are the keys returned by the // register() methods above. They are returned in a // java.util.Set. Set keys = selector.selectedKeys(); // Iterate through the Set of keys. for (Iterator i = keys.iterator(); i.hasNext();) { // Get a key from the set, and remove it from the set SelectionKey key = (SelectionKey) i.next(); i.remove(); // Get the channel associated with the key Channel c = (Channel) key.channel(); // Now test the key and the channel to find out // whether something happend on the TCP or UDP channel if (key.isAcceptable() && c == tcpserver) { // A client has attempted to connect via TCP. // Accept the connection now. SocketChannel client = tcpserver.accept(); // If we accepted the connection successfully, // the send our respone back to the client. if (client != null) { client.write(response); // send respone client.close(); // close connection } } else if (key.isReadable() && c == udpserver) { // A UDP datagram is waiting. Receive it now, // noting the address it was sent from. SocketAddress clientAddress = udpserver.receive(receiveBuffer); // If we got the datagram successfully, send // the date and time in a response packet. if (clientAddress != null) udpserver.send(response, clientAddress); } } } catch (java.io.IOException e) { // This is a (hopefully transient) problem with a single // connection: we log the error, but continue running. // We use our classname for the logger so that a sysadmin // can configure logging for this server independently // of other programs. Logger l = Logger.getLogger(DaytimeServer.class.getName()); l.log(Level.WARNING, "IOException in DaytimeServer", e); } catch (Throwable t) { // If anything else goes wrong (out of memory, for example) // then log the problem and exit. Logger l = Logger.getLogger(DaytimeServer.class.getName()); l.log(Level.SEVERE, "FATAL error in DaytimeServer", t); System.exit(1); } } } catch (Exception e) { // This is a startup error: there is no need to log it; // just print a message and exit System.err.println(e); System.exit(1); } }
From source file:bookChapter.theoretical.AnalyzeTheoreticalMSMSCalculation.java
/** * * @param args//from ww w .j a va 2s . c om * @throws IOException * @throws FileNotFoundException * @throws ClassNotFoundException * @throws InterruptedException * @throws MzMLUnmarshallerException */ public static void main(String[] args) throws IOException, FileNotFoundException, ClassNotFoundException, IOException, InterruptedException, MzMLUnmarshallerException { Logger l = Logger.getLogger("AnalyzeTheoreticalMSMSCalculation"); Date date = Calendar.getInstance().getTime(); DateFormat formatter = new SimpleDateFormat("EEEE, dd MMMM yyyy, hh:mm:ss.SSS a"); String now = formatter.format(date); l.log(Level.INFO, "Calculation starts at {0}", now); double precursorTolerance = ConfigHolder.getInstance().getDouble("precursor.tolerance"), fragmentTolerance = ConfigHolder.getInstance().getDouble("fragment.tolerance"); String databaseName = ConfigHolder.getInstance().getString("database.name"), spectraName = ConfigHolder.getInstance().getString("spectra.name"), output = ConfigHolder.getInstance().getString("output"); int correctionFactor = ConfigHolder.getInstance().getInt("correctionFactor"); boolean theoFromAllCharges = ConfigHolder.getInstance().getBoolean("hasAllPossCharge"); BufferedWriter bw = new BufferedWriter(new FileWriter(output)); bw.write("SpectrumTitle" + "\t" + "PrecursorMZ" + "\t" + "PrecursorCharge" + "\t" + "Observed Mass (M+H)" + "\t" + "AndromedaLikeScore" + "\t" + "SequestLikeScore" + "\t" + "PeptideByAndromedaLikeScore" + "\t" + "PeptideBySequestLikeScore" + "\t" + "LevenshteinDistance" + "\t" + "TotalScoredPeps" + "\t" + "isCorrectMatchByAndromedaLike" + "\t" + "isCorrectMatchBySequestLikeScore" + "\n"); l.info("Getting database entries"); // first load all sequences into the memory HashSet<DBEntry> dbEntries = getDBEntries(databaseName); // for every spectrum-calculate both score... // now convert to binExperimental spectrum int num = 0; SpectrumFactory fct = SpectrumFactory.getInstance(); num = 0; File f = new File(spectraName); if (spectraName.endsWith(".mgf")) { fct.addSpectra(f, new WaitingHandlerCLIImpl()); l.log(Level.INFO, "Spectra scoring starts at {0}", now); for (String title : fct.getSpectrumTitles(f.getName())) { num++; MSnSpectrum ms = (MSnSpectrum) fct.getSpectrum(f.getName(), title); // here calculate all except this is an empty spectrum... if (ms.getPeakList().size() > 2) { // to check a spectrum with negative values.. String text = result(ms, precursorTolerance, dbEntries, fragmentTolerance, correctionFactor, theoFromAllCharges); if (!text.isEmpty()) { bw.write(text); } } if (num % 500 == 0) { l.info("Running " + num + " spectra." + Calendar.getInstance().getTime()); } } } l.info("Program finished at " + Calendar.getInstance().getTime()); bw.close(); }
From source file:org.schemaspy.Main.java
public static void main(String[] argv) throws Exception { Logger logger = Logger.getLogger(Main.class.getName()); final AnnotationConfigApplicationContext applicationContext = new AnnotationConfigApplicationContext( "org.schemaspy.service"); applicationContext.register(SchemaAnalyzer.class); if (argv.length == 1 && "-gui".equals(argv[0])) { // warning: serious temp hack new MainFrame().setVisible(true); return;//from w w w . j a v a2 s. c om } SchemaAnalyzer analyzer = applicationContext.getBean(SchemaAnalyzer.class); int rc = 1; try { rc = analyzer.analyze(new Config(argv)) == null ? 1 : 0; } catch (ConnectionFailure couldntConnect) { logger.log(Level.WARNING, "Connection Failure", couldntConnect); rc = 3; } catch (EmptySchemaException noData) { logger.log(Level.WARNING, "Empty schema", noData); rc = 2; } catch (InvalidConfigurationException badConfig) { logger.info(""); if (badConfig.getParamName() != null) logger.log(Level.WARNING, "Bad parameter specified for " + badConfig.getParamName()); logger.log(Level.WARNING, "Bad config " + badConfig.getMessage()); if (badConfig.getCause() != null && !badConfig.getMessage().endsWith(badConfig.getMessage())) logger.log(Level.WARNING, " caused by " + badConfig.getCause().getMessage()); logger.log(Level.FINE, "Command line parameters: " + Arrays.asList(argv)); logger.log(Level.FINE, "Invalid configuration detected", badConfig); } catch (ProcessExecutionException badLaunch) { logger.log(Level.WARNING, badLaunch.getMessage(), badLaunch); } catch (Exception exc) { logger.log(Level.SEVERE, exc.getMessage(), exc); } System.exit(rc); }
From source file:net.sf.freecol.FreeCol.java
/** * The entrypoint.//from ww w . j a va 2 s .c o m * * @param args The command-line arguments. * @throws IOException * @throws FontFormatException */ public static void main(String[] args) throws FontFormatException, IOException { freeColRevision = FREECOL_VERSION; JarURLConnection juc; try { juc = getJarURLConnection(FreeCol.class); } catch (IOException ioe) { juc = null; System.err.println("Unable to open class jar: " + ioe.getMessage()); } if (juc != null) { try { String revision = readVersion(juc); if (revision != null) { freeColRevision += " (Revision: " + revision + ")"; } } catch (Exception e) { System.err.println("Unable to load Manifest: " + e.getMessage()); } try { splashStream = getDefaultSplashStream(juc); } catch (Exception e) { System.err.println("Unable to open default splash: " + e.getMessage()); } } // Java bug #7075600 causes BR#2554. The workaround is to set // the following property. Remove if/when they fix Java. System.setProperty("java.util.Arrays.useLegacyMergeSort", "true"); // We can not even emit localized error messages until we find // the data directory, which might have been specified on the // command line. String dataDirectoryArg = findArg("--freecol-data", args); String err = FreeColDirectories.setDataDirectory(dataDirectoryArg); if (err != null) fatal(err); // This must not fail. // Now we have the data directory, establish the base locale. // Beware, the locale may change! String localeArg = findArg("--default-locale", args); if (localeArg == null) { locale = Locale.getDefault(); } else { int index = localeArg.indexOf('.'); // Strip encoding if present if (index > 0) localeArg = localeArg.substring(0, index); locale = Messages.getLocale(localeArg); } Messages.loadMessageBundle(locale); // Now that we can emit error messages, parse the other // command line arguments. handleArgs(args); // Do the potentially fatal system checks as early as possible. if (javaCheck && JAVA_VERSION_MIN.compareTo(JAVA_VERSION) > 0) { fatal(StringTemplate.template("main.javaVersion").addName("%version%", JAVA_VERSION) .addName("%minVersion%", JAVA_VERSION_MIN)); } if (memoryCheck && MEMORY_MAX < MEMORY_MIN * 1000000) { fatal(StringTemplate.template("main.memory").addAmount("%memory%", MEMORY_MAX).addAmount("%minMemory%", MEMORY_MIN)); } // Having parsed the command line args, we know where the user // directories should be, so we can set up the rest of the // file/directory structure. String userMsg = FreeColDirectories.setUserDirectories(); // Now we have the log file path, start logging. final Logger baseLogger = Logger.getLogger(""); final Handler[] handlers = baseLogger.getHandlers(); for (Handler handler : handlers) { baseLogger.removeHandler(handler); } String logFile = FreeColDirectories.getLogFilePath(); try { baseLogger.addHandler(new DefaultHandler(consoleLogging, logFile)); Logger freecolLogger = Logger.getLogger("net.sf.freecol"); freecolLogger.setLevel(logLevel); } catch (FreeColException e) { System.err.println("Logging initialization failure: " + e.getMessage()); e.printStackTrace(); } Thread.setDefaultUncaughtExceptionHandler((Thread thread, Throwable e) -> { baseLogger.log(Level.WARNING, "Uncaught exception from thread: " + thread, e); }); // Now we can find the client options, allow the options // setting to override the locale, if no command line option // had been specified. // We have users whose machines default to Finnish but play // FreeCol in English. // If the user has selected automatic language selection, do // nothing, since we have already set up the default locale. if (localeArg == null) { String clientLanguage = ClientOptions.getLanguageOption(); Locale clientLocale; if (clientLanguage != null && !Messages.AUTOMATIC.equalsIgnoreCase(clientLanguage) && (clientLocale = Messages.getLocale(clientLanguage)) != locale) { locale = clientLocale; Messages.loadMessageBundle(locale); logger.info("Loaded messages for " + locale); } } // Now we have the user mods directory and the locale is now // stable, load the mods and their messages. Mods.loadMods(); Messages.loadModMessageBundle(locale); // Report on where we are. if (userMsg != null) logger.info(Messages.message(userMsg)); logger.info(getConfiguration().toString()); // Ready to specialize into client or server. if (standAloneServer) { startServer(); } else { startClient(userMsg); } startYourAddition(); }
From source file:org.activiti.cycle.impl.connector.signavio.SignavioLogHelper.java
public static void logJSONArray(Logger log, JSONArray jsonArray) { try {//from ww w. jav a 2 s. com log.info(jsonArray.toString(2)); } catch (JSONException je) { log.log(Level.SEVERE, "JSONException while trying to log JSONArray", je); } }
From source file:com.stratuscom.harvester.Utils.java
public static void logClassLoaderHierarchy(Logger log, Level level, Class cls) { log.log(level, MessageNames.CLASSLOADER_IS, new Object[] { cls.getName(), cls.getClassLoader() }); try {//w w w. j ava 2s . c o m ClassLoader parent = cls.getClassLoader().getParent(); while (parent != null) { log.log(level, MessageNames.PARENT_CLASS_LOADER_IS, new Object[] { parent }); parent = parent.getParent(); } } catch (Throwable t) { log.log(level, Strings.NEWLINE); } }
From source file:com.stratuscom.harvester.Utils.java
public static void logClassLoaderHierarchy(Logger log, Level level, ClassLoader loader) { log.log(level, MessageNames.CLASSLOADER_IS, new Object[] { null, loader }); ClassLoader parent = loader.getParent(); while (parent != null) { log.log(level, MessageNames.PARENT_CLASS_LOADER_IS, new Object[] { parent }); try {/* w ww .j a va2 s .c o m*/ parent = parent.getParent(); } catch (Throwable t) { parent = null; } } }
From source file:io.trivium.anystore.StoreUtils.java
public static void createIfNotExists(String url) { Logger logger = Logger.getLogger(StoreUtils.class.getName()); File m = new File(url); if (!m.exists()) { m.mkdirs();/*from w w w. j a v a 2s .co m*/ logger.log(Level.FINE, "creating directory {}", url); } }