Example usage for java.util.logging Logger log

Introduction

In this page you can find the example usage for java.util.logging Logger log.

Prototype

public void log(Level level, Supplier<String> msgSupplier) 

Source Link

Document

Log a message, which is only to be constructed if the logging level is such that the message will actually be logged.

Usage

From source file:MyLevel.java

public static void main(String[] argv) throws Exception {
    Logger logger = Logger.getLogger("com.mycompany");
    logger.log(MyLevel.DISASTER, "my disaster message");

    Level disaster = Level.parse("DISASTER");
    logger.log(disaster, "my disaster message");
}

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From source file:Main.java

public static void main(String args[]) throws Exception {
    LogManager lm = LogManager.getLogManager();
    Logger logger;
    FileHandler fh = new FileHandler("log_test.txt");

    logger = Logger.getLogger("LoggingExample1");

    lm.addLogger(logger);//from ww w.j  a v  a2  s  .c om
    logger.setLevel(Level.INFO);
    fh.setFormatter(new XMLFormatter());

    logger.addHandler(fh);
    //logger.setUseParentHandlers(false);
    logger.log(Level.INFO, "test 1");
    logger.log(Level.INFO, "test 2");
    logger.log(Level.INFO, "test 3");
    fh.close();
}

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From source file:LoggingExample1.java

public static void main(String args[]) {
    try {/* w ww. j  ava  2  s  .c om*/
        LogManager lm = LogManager.getLogManager();
        Logger logger;
        FileHandler fh = new FileHandler("log_test.txt");

        logger = Logger.getLogger("LoggingExample1");

        lm.addLogger(logger);
        logger.setLevel(Level.INFO);
        fh.setFormatter(new XMLFormatter());

        logger.addHandler(fh);
        //logger.setUseParentHandlers(false);
        logger.log(Level.INFO, "test 1");
        logger.log(Level.INFO, "test 2");
        logger.log(Level.INFO, "test 3");
        fh.close();
    } catch (Exception e) {
        System.out.println("Exception thrown: " + e);
        e.printStackTrace();
    }
}

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From source file:bluevia.examples.MODemo.java

/**
 * @param args//  w w w. j av  a 2  s.  com
 */
public static void main(String[] args) throws IOException {

    BufferedReader iReader = null;
    String apiDataFile = "API-AccessToken.ini";

    String consumer_key;
    String consumer_secret;
    String registrationId;

    OAuthConsumer apiConsumer = null;
    HttpURLConnection request = null;
    URL moAPIurl = null;

    Logger logger = Logger.getLogger("moSMSDemo.class");
    int i = 0;
    int rc = 0;

    Thread mThread = Thread.currentThread();

    try {
        System.setProperty("debug", "1");

        iReader = new BufferedReader(new FileReader(apiDataFile));

        // Private data: consumer info + access token info + phone info
        consumer_key = iReader.readLine();
        consumer_secret = iReader.readLine();
        registrationId = iReader.readLine();

        // Set up the oAuthConsumer
        while (true) {
            try {

                logger.log(Level.INFO, String.format("#%d: %s\n", ++i, "Requesting messages..."));

                apiConsumer = new DefaultOAuthConsumer(consumer_key, consumer_secret);

                apiConsumer.setMessageSigner(new HmacSha1MessageSigner());

                moAPIurl = new URL("https://api.bluevia.com/services/REST/SMS/inbound/" + registrationId
                        + "/messages?version=v1&alt=json");

                request = (HttpURLConnection) moAPIurl.openConnection();
                request.setRequestMethod("GET");

                apiConsumer.sign(request);

                StringBuffer doc = new StringBuffer();
                BufferedReader br = null;

                rc = request.getResponseCode();
                if (rc == HttpURLConnection.HTTP_OK) {
                    br = new BufferedReader(new InputStreamReader(request.getInputStream()));

                    String line = br.readLine();
                    while (line != null) {
                        doc.append(line);
                        line = br.readLine();
                    }

                    System.out.printf("Output message: %s\n", doc.toString());
                    try {
                        JSONObject apiResponse1 = new JSONObject(doc.toString());
                        String aux = apiResponse1.getString("receivedSMS");
                        if (aux != null) {
                            String szMessage;
                            String szOrigin;
                            String szDate;

                            JSONObject smsPool = apiResponse1.getJSONObject("receivedSMS");
                            JSONArray smsInfo = smsPool.optJSONArray("receivedSMS");
                            if (smsInfo != null) {
                                for (i = 0; i < smsInfo.length(); i++) {
                                    szMessage = smsInfo.getJSONObject(i).getString("message");
                                    szOrigin = smsInfo.getJSONObject(i).getJSONObject("originAddress")
                                            .getString("phoneNumber");
                                    szDate = smsInfo.getJSONObject(i).getString("dateTime");
                                    System.out.printf("#%d %s\n - from %s\n - message:%s\n", i, szDate,
                                            szOrigin, szMessage);
                                }
                            } else {
                                JSONObject sms = smsPool.getJSONObject("receivedSMS");
                                szMessage = sms.getString("message");
                                szOrigin = sms.getJSONObject("originAddress").getString("phoneNumber");
                                szDate = sms.getString("dateTime");
                                System.out.printf("#%d %s\n - from %s\n - message:%s\n", i, szDate, szOrigin,
                                        szMessage);
                            }
                        }
                    } catch (JSONException e) {
                        System.err.println("JSON error: " + e.getMessage());
                    }

                } else if (rc == HttpURLConnection.HTTP_NO_CONTENT)
                    System.out.printf("No content\n");
                else
                    System.err.printf("Error: %d:%s\n", rc, request.getResponseMessage());

                request.disconnect();

            } catch (Exception e) {
                System.err.println("Exception: " + e.getMessage());
            }
            mThread.sleep(15000);
        }
    } catch (Exception e) {
        System.err.println("Exception: " + e.getMessage());
    }
}

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From source file:com.bigtobster.pgnextractalt.commands.CommandContext.java

/**
 * Logs a severe error in logs/*from w  w  w .j a  v a  2  s.  co m*/
 *
 * @param logger    The erring class's Logger
 * @param message   The message to be logged
 * @param exception The exception causing the error
 */
@SuppressWarnings("SameParameterValue")
private static void logSevereError(@SuppressWarnings("SameParameterValue") final Logger logger,
        final String message, final Exception exception) {
    logger.log(Level.SEVERE, message);
    logger.log(Level.SEVERE, exception.getMessage());
    logger.log(Level.SEVERE, exception.toString(), exception.fillInStackTrace());
}

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From source file:Main.java

/**
 * This method recursively visits (log.info()) all thread groups under `group'.
 * //ww w . j  a v  a 2s. co  m
 * @param log
 * @param logLevel
 */
public static void logThreadGroup(Logger log, Level logLevel, ThreadGroup group, int level) {
    // Get threads in `group'
    int numThreads = group.activeCount();
    Thread[] threads = new Thread[numThreads * 2];
    numThreads = group.enumerate(threads, false);

    // Enumerate each thread in `group'
    for (int i = 0; i < numThreads; i++) {
        // Get thread/
        Thread thread = threads[i];
        log.log(logLevel, thread.toString());
    }

    // Get thread subgroups of `group'
    int numGroups = group.activeGroupCount();
    ThreadGroup[] groups = new ThreadGroup[numGroups * 2];
    numGroups = group.enumerate(groups, false);

    // Recursively visit each subgroup
    for (int i = 0; i < numGroups; i++) {
        logThreadGroup(log, logLevel, groups[i], level + 1);
    }
}

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From source file:at.pcgamingfreaks.Bukkit.Utils.java

/**
 * Converts an item stack into a json string used for chat messages.
 *
 * @param itemStack The item stack that should be converted into a json string
 * @param logger The logger that should display the error message in case of an problem
 * @return The item stack as a json string. empty string if the conversation failed
 *//*from  ww w.ja v a 2s.co  m*/
public static String convertItemStackToJson(@NotNull ItemStack itemStack, @NotNull Logger logger) {
    Validate.notNull(logger, "The logger can't be null.");
    Validate.notNull(itemStack, "The item stack can't be null.");
    try {
        if (SAVE_NMS_ITEM_STACK_METHOD == null || AS_NMS_COPY_METHOD == null
                || NBT_TAG_COMPOUND_CLASS == null) {
            logger.log(Level.SEVERE, "Failed to serialize item stack to NMS item! Bukkit Version: "
                    + Bukkit.getServer().getVersion()
                    + "\nOne or more of the reflection variables is null! Looks like your bukkit version is not compatible. Please check for updates.");
        } else {
            return SAVE_NMS_ITEM_STACK_METHOD
                    .invoke(AS_NMS_COPY_METHOD.invoke(null, itemStack), NBT_TAG_COMPOUND_CLASS.newInstance())
                    .toString();
        }
    } catch (Throwable t) {
        logger.log(Level.SEVERE, "Failed to serialize item stack to NMS item! Bukkit Version: "
                + Bukkit.getServer().getVersion() + "\n", t);
    }
    return "";
}

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From source file:pcgen.util.Logging.java

/**
 * Log a message, if logging is enabled at the
 * supplied level of detail. //from  w  ww . j a v  a  2s . c o  m
 * 
 * @param lvl The detail level of the message
 * @param msg String message
 */
public static void log(final Level lvl, final String msg) {
    Logger l = getLogger();
    if (l.isLoggable(lvl)) {
        l.log(lvl, msg);
    }
}

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From source file:pcgen.util.Logging.java

/**
 * Print information message if PCGen is debugging.
 *
 * @param param1 String information message (usually variable)
 * @param param2 Object information message (usually value)
 */// w ww  . j a  v a2s.  com
public static void debugPrint(final String param1, Object param2) {
    Logger l = getLogger();
    if (l.isLoggable(DEBUG)) {
        l.log(DEBUG, param1 + param2);
    }
}

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From source file:pcgen.util.Logging.java

/**
 * Beep and print error message if PCGen is debugging.
 *
 * @param s String error message/*  www .j a  v a  2s  .co  m*/
 */
public static void errorPrint(final String s) {
    if (debugMode) {
        S_TOOLKIT.beep();
    }

    Logger l = getLogger();
    if (l.isLoggable(ERROR)) {
        l.log(ERROR, s);
    }
}

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