Example usage for java.lang Long toHexString

Introduction

In this page you can find the example usage for java.lang Long toHexString.

Prototype

public static String toHexString(long i) 

Source Link

Document

Returns a string representation of the long argument as an unsigned integer in base 16.

Usage

From source file:se.sawano.java.security.otp.TOTPService.java

private static byte[] toHexBytes(final long value) {
    final String hexValue = StringUtils.leftPad(Long.toHexString(value), 16, '0');
    return CodecUtils.decodeHex(hexValue);
}

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From source file:com.vaadin.tools.ReportUsage.java

private static String loadFirstLaunch() {
    Preferences prefs = Preferences.userNodeForPackage(CheckForUpdates.class);

    String firstLaunch = prefs.get(FIRST_LAUNCH, null);
    if (firstLaunch == null) {
        long currentTimeMillis = System.currentTimeMillis();
        firstLaunch = Long.toHexString(currentTimeMillis);
        prefs.put(FIRST_LAUNCH, firstLaunch);
    }// w  w w. j av  a2s  .  co m
    return firstLaunch;

}

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From source file:com.igormaznitsa.j2z80.utils.Utils.java

/**
 * Convert a long into an ASM HEX representation
 *
 * @param value a long value to be converted
 * @return a hex string representation of the long
 *//*from   ww w  .  java  2 s  .co  m*/
public static String longToString(final long value) {
    final StringBuilder result = new StringBuilder();

    result.append(value).append("(#").append(Long.toHexString(value).toUpperCase()).append(')');

    return result.toString();
}

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From source file:de.fu_berlin.inf.dpp.netbeans.feedback.FileSubmitter.java

private static String generateBoundary() {
    Random random = new Random();
    return Long.toHexString(random.nextLong()) + Long.toHexString(random.nextLong())
            + Long.toHexString(random.nextLong());
}

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From source file:org.apache.bookkeeper.bookie.storage.ldb.LocationsIndexRebuildOp.java

public void initiate() throws IOException {
    LOG.info("Starting index rebuilding");

    // Move locations index to a backup directory
    String basePath = Bookie.getCurrentDirectory(conf.getLedgerDirs()[0]).toString();
    Path currentPath = FileSystems.getDefault().getPath(basePath, "locations");
    String timestamp = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSZ").format(new Date());
    Path backupPath = FileSystems.getDefault().getPath(basePath, "locations.BACKUP-" + timestamp);
    Files.move(currentPath, backupPath);

    LOG.info("Created locations index backup at {}", backupPath);

    long startTime = System.nanoTime();

    EntryLogger entryLogger = new EntryLogger(conf, new LedgerDirsManager(conf, conf.getLedgerDirs(),
            new DiskChecker(conf.getDiskUsageThreshold(), conf.getDiskUsageWarnThreshold())));
    Set<Long> entryLogs = entryLogger.getEntryLogsSet();

    String locationsDbPath = FileSystems.getDefault().getPath(basePath, "locations").toFile().toString();

    Set<Long> activeLedgers = getActiveLedgers(conf, KeyValueStorageRocksDB.factory, basePath);
    LOG.info("Found {} active ledgers in ledger manager", activeLedgers.size());

    KeyValueStorage newIndex = KeyValueStorageRocksDB.factory.newKeyValueStorage(locationsDbPath,
            DbConfigType.Huge, conf);//from  w  ww . j  av a  2s.  c  o  m

    int totalEntryLogs = entryLogs.size();
    int completedEntryLogs = 0;
    LOG.info("Scanning {} entry logs", totalEntryLogs);

    for (long entryLogId : entryLogs) {
        entryLogger.scanEntryLog(entryLogId, new EntryLogScanner() {
            @Override
            public void process(long ledgerId, long offset, ByteBuf entry) throws IOException {
                long entryId = entry.getLong(8);

                // Actual location indexed is pointing past the entry size
                long location = (entryLogId << 32L) | (offset + 4);

                if (LOG.isDebugEnabled()) {
                    LOG.debug("Rebuilding {}:{} at location {} / {}", ledgerId, entryId, location >> 32,
                            location & (Integer.MAX_VALUE - 1));
                }

                // Update the ledger index page
                LongPairWrapper key = LongPairWrapper.get(ledgerId, entryId);
                LongWrapper value = LongWrapper.get(location);
                newIndex.put(key.array, value.array);
            }

            @Override
            public boolean accept(long ledgerId) {
                return activeLedgers.contains(ledgerId);
            }
        });

        ++completedEntryLogs;
        LOG.info("Completed scanning of log {}.log -- {} / {}", Long.toHexString(entryLogId),
                completedEntryLogs, totalEntryLogs);
    }

    newIndex.sync();
    newIndex.close();

    LOG.info("Rebuilding index is done. Total time: {}", DurationFormatUtils
            .formatDurationHMS(TimeUnit.NANOSECONDS.toMillis(System.nanoTime() - startTime)));
}

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From source file:org.speechforge.cairo.server.resource.ResourceServerImpl.java

private synchronized String getNextChannelID() { // TODO: convert from synchronized to atomic
    return Long.toHexString(_channelID++);
}

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From source file:org.apache.bookkeeper.bookie.CreateNewLogTest.java

/**
 * Checks if new log file id is verified against all directories.
 *
 * {@link https://issues.apache.org/jira/browse/BOOKKEEPER-465}
 *
 * @throws Exception/*from  ww w.  j av  a 2  s.  c om*/
 */
@Test
public void testCreateNewLog() throws Exception {
    ServerConfiguration conf = TestBKConfiguration.newServerConfiguration();

    // Creating a new configuration with a number of
    // ledger directories.
    conf.setLedgerDirNames(ledgerDirs);
    LedgerDirsManager ledgerDirsManager = new LedgerDirsManager(conf, conf.getLedgerDirs(),
            new DiskChecker(conf.getDiskUsageThreshold(), conf.getDiskUsageWarnThreshold()));

    // Extracted from createNewLog()
    String logFileName = Long.toHexString(1) + ".log";
    File dir = ledgerDirsManager.pickRandomWritableDir();
    LOG.info("Picked this directory: {}", dir);
    File newLogFile = new File(dir, logFileName);
    newLogFile.createNewFile();

    EntryLogger el = new EntryLogger(conf, ledgerDirsManager);
    // Calls createNewLog, and with the number of directories we
    // are using, if it picks one at random it will fail.
    EntryLogManagerForSingleEntryLog entryLogManager = (EntryLogManagerForSingleEntryLog) el
            .getEntryLogManager();
    entryLogManager.createNewLog(0L);
    LOG.info("This is the current log id: {}", entryLogManager.getCurrentLogId());
    assertTrue("Wrong log id", entryLogManager.getCurrentLogId() > 1);
}

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From source file:org.ballerinalang.test.service.resiliency.HttpResiliencyTest.java

@Test(description = "Test failover functionality with multipart requests")
public void testMultiPart() throws IOException {
    String multipartDataBoundary = Long.toHexString(PlatformDependent.threadLocalRandom().nextLong());
    String multipartBody = "--" + multipartDataBoundary + "\r\n"
            + "Content-Disposition: form-data; name=\"foo\"" + "\r\n"
            + "Content-Type: text/plain; charset=UTF-8" + "\r\n" + "\r\n" + "Part1" + "\r\n" + "--"
            + multipartDataBoundary + "\r\n"
            + "Content-Disposition: form-data; name=\"filepart\"; filename=\"file-01.txt\"" + "\r\n"
            + "Content-Type: text/plain" + "\r\n" + "Content-Transfer-Encoding: binary" + "\r\n" + "\r\n"
            + "Part2" + StringUtil.NEWLINE + "\r\n" + "--" + multipartDataBoundary + "--" + "\r\n";
    Map<String, String> headers = new HashMap<>();
    headers.put(HttpHeaderNames.CONTENT_TYPE.toString(),
            "multipart/form-data; boundary=" + multipartDataBoundary);
    HttpResponse response = HttpClientRequest
            .doPost(serverInstance.getServiceURLHttp(9301, TYPICAL_SERVICE_PATH), multipartBody, headers);
    Assert.assertEquals(response.getResponseCode(), 200, "Response code mismatched");
    Assert.assertTrue(//from   w  ww  .j  a va 2  s  .co  m
            response.getHeaders().get(HttpHeaderNames.CONTENT_TYPE.toString())
                    .contains("multipart/form-data;boundary=" + multipartDataBoundary),
            "Response is not form of multipart");
    Assert.assertTrue(response.getData().contains("form-data;name=\"foo\"content-id: 0Part1"),
            "Message content mismatched");
    Assert.assertTrue(
            response.getData()
                    .contains("form-data;name=\"filepart\";filename=\"file-01.txt\"content-id: 1Part2"),
            "Message content mismatched");
}

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From source file:org.eclipse.gyrex.admin.ui.cloud.internal.zookeeper.ZooKeeperData.java

public Object getPropertyValue(final Object id) {
    if (id == PROP_PATH)
        return path;
    if (id == PROP_VERSION)
        return getStat().getVersion();
    if (id == PROP_CVERSION)
        return getStat().getCversion();
    if (id == PROP_EPHEMERAL_OWNER)
        return "0x" + Long.toHexString(getStat().getEphemeralOwner());
    if (id == PROP_DATA_LENGTH)
        return getStat().getDataLength();
    if (id == PROP_DATA)
        return getData();
    return null;//from w  w w .  j av  a 2s .c o  m
}

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From source file:org.apache.bookkeeper.bookie.BookieJournalTest.java

private void writeJunkJournal(File journalDir) throws Exception {
    long logId = System.currentTimeMillis();
    File fn = new File(journalDir, Long.toHexString(logId) + ".txn");

    FileChannel fc = new RandomAccessFile(fn, "rw").getChannel();

    ByteBuffer zeros = ByteBuffer.allocate(512);
    fc.write(zeros, 4 * 1024 * 1024);//from   ww  w . jav  a 2s  . co  m
    fc.position(0);

    for (int i = 1; i <= 10; i++) {
        fc.write(ByteBuffer.wrap("JunkJunkJunk".getBytes()));
    }
}

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