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:Main.java

public static String getRandomString(int len) {
    String str = (Long.toHexString(Double.doubleToLongBits(Math.random()))).substring(0, len);
    return str;// w  w w.  ja va2  s  .  c o m
}

---

From source file:Main.java

public static String toHexString(long i, int size) {

    String value = Long.toHexString(i);

    while (value.length() < size) {
        value = "0" + value;
    }/*from   www.j a  va 2 s  . co m*/

    return value;
}

---

From source file:Main.java

/**
 * Generated UID to anonymously identify users on GCM server.
 * @return// w ww.  j  a  v  a 2  s  .co m
 */
public static String generateUid() {
    return Long.toHexString(Double.doubleToLongBits(Math.random()));
}

---

From source file:Main.java

final public static String encodeLongToHex(final int color) {
    StringBuilder builder = new StringBuilder();
    String colorStr = Long.toHexString(color);
    int i = 8 - colorStr.length();
    while (i != 0) {
        builder.append("0");
        i--;/*from www. j  a  v  a 2  s. co m*/
    }
    builder.append(Long.toHexString(color));
    return builder.toString();
}

---

From source file:Main.java

public static String av_ts_make_string(long ts) {
    if (ts == AV_NOPTS_VALUE)
        return "NOPTS";
    else/*from  ww  w.  j  av  a2  s  . com*/
        return Long.toHexString(ts);
}

---

From source file:Main.java

/**
 * @param originalColor color, without alpha
 * @param alpha         from 0.0 to 1.0//from   w ww.j a v  a2s  . com
 * @return
 */
public static String addAlpha(String originalColor, double alpha) {
    long alphaFixed = Math.round(alpha * 255);
    String alphaHex = Long.toHexString(alphaFixed);
    if (alphaHex.length() == 1) {
        alphaHex = "0" + alphaHex;
    }
    originalColor = originalColor.replace("#", "#" + alphaHex);

    return originalColor;
}

---

From source file:Main.java

public final static String create15() {
    StringBuilder sb = new StringBuilder(15);
    sb.append(Long.toHexString(System.currentTimeMillis()));
    String str = longTo36(ATOM_INT.incrementAndGet());
    if (str.length() == 1) {
        sb.append("000").append(str);
    } else if (str.length() == 2) {
        sb.append("00").append(str);
    } else if (str.length() == 3) {
        sb.append("0").append(str);
    } else {/*  w w w. j  a  v a2s.co m*/
        sb.append(str);
    }
    return sb.toString();
}

---

From source file:com.github.chrbayer84.keybits.KeyBits.java

/**
 * @param args/*from w  ww. j a  va 2s.c o m*/
 */
public static void main(String[] args) throws Exception {
    int number_of_addresses = 1;
    int depth = 1;

    String usage = "java -jar KeyBits.jar [options]";
    // create parameters which can be chosen
    Option help = new Option("h", "print this message");
    Option verbose = new Option("v", "verbose");
    Option exprt = new Option("e", "export public key to blockchain");
    Option imprt = OptionBuilder.withArgName("string").hasArg()
            .withDescription("import public key from blockchain").create("i");

    Option blockchain_address = OptionBuilder.withArgName("string").hasArg().withDescription("bitcoin address")
            .create("a");
    Option create_wallet = OptionBuilder.withArgName("file name").hasArg().withDescription("create wallet")
            .create("c");
    Option update_wallet = OptionBuilder.withArgName("file name").hasArg().withDescription("update wallet")
            .create("u");
    Option balance_wallet = OptionBuilder.withArgName("file name").hasArg()
            .withDescription("return balance of wallet").create("b");
    Option show_wallet = OptionBuilder.withArgName("file name").hasArg()
            .withDescription("show content of wallet").create("w");
    Option send_coins = OptionBuilder.withArgName("file name").hasArg().withDescription("send satoshis")
            .create("s");
    Option monitor_pending = OptionBuilder.withArgName("file name").hasArg()
            .withDescription("monitor pending transactions of wallet").create("p");
    Option monitor_depth = OptionBuilder.withArgName("file name").hasArg()
            .withDescription("monitor transaction depths of wallet").create("d");
    Option number = OptionBuilder.withArgName("integer").hasArg()
            .withDescription("in combination with -c, -d, -r or -s").create("n");
    Option reset = OptionBuilder.withArgName("file name").hasArg().withDescription("reset wallet").create("r");

    Options options = new Options();

    options.addOption(help);
    options.addOption(verbose);
    options.addOption(imprt);
    options.addOption(exprt);

    options.addOption(blockchain_address);
    options.addOption(create_wallet);
    options.addOption(update_wallet);
    options.addOption(balance_wallet);
    options.addOption(show_wallet);
    options.addOption(send_coins);
    options.addOption(monitor_pending);
    options.addOption(monitor_depth);
    options.addOption(number);
    options.addOption(reset);

    BasicParser parser = new BasicParser();
    CommandLine cmd = null;

    String header = "This is KeyBits v0.01b.1412953962" + System.getProperty("line.separator");
    // show help if wrong usage
    try {
        cmd = parser.parse(options, args);
    } catch (Exception e) {
        printHelp(usage, options, header);
    }

    if (cmd.getOptions().length == 0)
        printHelp(usage, options, header);

    if (cmd.hasOption("h"))
        printHelp(usage, options, header);

    if (cmd.hasOption("v"))
        System.out.println(header);

    if (cmd.hasOption("c") && cmd.hasOption("n"))
        number_of_addresses = new Integer(cmd.getOptionValue("n")).intValue();

    if (cmd.hasOption("d") && cmd.hasOption("n"))
        depth = new Integer(cmd.getOptionValue("n")).intValue();

    String checkpoints_file_name = "checkpoints";
    if (!new File(checkpoints_file_name).exists())
        checkpoints_file_name = null;

    // ---------------------------------------------------------------------

    if (cmd.hasOption("c")) {
        String wallet_file_name = cmd.getOptionValue("c");

        String passphrase = HelpfulStuff.insertPassphrase("enter password for " + wallet_file_name);
        if (!new File(wallet_file_name).exists()) {
            String passphrase_ = HelpfulStuff.reInsertPassphrase("enter password for " + wallet_file_name);

            if (!passphrase.equals(passphrase_)) {
                System.out.println("passwords do not match");
                System.exit(0);
            }
        }

        MyWallet.createWallet(wallet_file_name, wallet_file_name + ".chain", number_of_addresses, passphrase);
        System.exit(0);
    }

    if (cmd.hasOption("u")) {
        String wallet_file_name = cmd.getOptionValue("u");
        MyWallet.updateWallet(wallet_file_name, wallet_file_name + ".chain", checkpoints_file_name);
        System.exit(0);
    }

    if (cmd.hasOption("b")) {
        String wallet_file_name = cmd.getOptionValue("b");
        System.out.println(
                MyWallet.getBalanceOfWallet(wallet_file_name, wallet_file_name + ".chain").longValue());
        System.exit(0);
    }

    if (cmd.hasOption("w")) {
        String wallet_file_name = cmd.getOptionValue("w");
        System.out.println(MyWallet.showContentOfWallet(wallet_file_name, wallet_file_name + ".chain"));
        System.exit(0);
    }

    if (cmd.hasOption("p")) {
        System.out.println("monitoring of pending transactions ... ");
        String wallet_file_name = cmd.getOptionValue("p");
        MyWallet.monitorPendingTransactions(wallet_file_name, wallet_file_name + ".chain",
                checkpoints_file_name);
        System.exit(0);
    }

    if (cmd.hasOption("d")) {
        System.out.println("monitoring of transaction depth ... ");
        String wallet_file_name = cmd.getOptionValue("d");
        MyWallet.monitorTransactionDepth(wallet_file_name, wallet_file_name + ".chain", checkpoints_file_name,
                depth);
        System.exit(0);
    }

    if (cmd.hasOption("r") && cmd.hasOption("n")) {
        long epoch = new Long(cmd.getOptionValue("n"));
        System.out.println("resetting wallet ... ");
        String wallet_file_name = cmd.getOptionValue("r");

        File chain_file = (new File(wallet_file_name + ".chain"));
        if (chain_file.exists())
            chain_file.delete();

        MyWallet.setCreationTime(wallet_file_name, epoch);
        MyWallet.updateWallet(wallet_file_name, wallet_file_name + ".chain", checkpoints_file_name);

        System.exit(0);
    }

    if (cmd.hasOption("s") && cmd.hasOption("a") && cmd.hasOption("n")) {
        String wallet_file_name = cmd.getOptionValue("s");
        String address = cmd.getOptionValue("a");
        Integer amount = new Integer(cmd.getOptionValue("n"));

        String wallet_passphrase = HelpfulStuff.insertPassphrase("enter password for " + wallet_file_name);
        MyWallet.sendCoins(wallet_file_name, wallet_file_name + ".chain", checkpoints_file_name, address,
                new BigInteger(amount + ""), wallet_passphrase);

        System.out.println("waiting ...");
        Thread.sleep(10000);
        System.out.println("monitoring of transaction depth ... ");
        MyWallet.monitorTransactionDepth(wallet_file_name, wallet_file_name + ".chain", checkpoints_file_name,
                1);
        System.out.println("transaction fixed in blockchain with depth " + depth);
        System.exit(0);
    }

    // ----------------------------------------------------------------------------------------
    //                                  creates public key
    // ----------------------------------------------------------------------------------------

    GnuPGP gpg = new GnuPGP();

    if (cmd.hasOption("e")) {
        BufferedReader input = new BufferedReader(new InputStreamReader(System.in));
        String line = null;
        StringBuffer sb = new StringBuffer();
        while ((line = input.readLine()) != null)
            sb.append(line + "\n");

        PGPPublicKeyRing public_key_ring = gpg.getDearmored(sb.toString());
        //System.out.println(gpg.showPublicKeys(public_key_ring));

        byte[] public_key_ring_encoded = gpg.getEncoded(public_key_ring);

        String[] addresses = (new Encoding()).encodePublicKey(public_key_ring_encoded);
        //         System.out.println(gpg.showPublicKey(gpg.getDecoded(encoding.decodePublicKey(addresses))));

        // file names for message
        String public_key_file_name = Long.toHexString(public_key_ring.getPublicKey().getKeyID()) + ".wallet";
        String public_key_wallet_file_name = public_key_file_name;
        String public_key_chain_file_name = public_key_wallet_file_name + ".chain";

        // hier muss dass passwort noch nach encodeAddresses weitergeleitet werden da sonst zweimal abfrage
        String public_key_wallet_passphrase = HelpfulStuff
                .insertPassphrase("enter password for " + public_key_wallet_file_name);
        if (!new File(public_key_wallet_file_name).exists()) {
            String public_key_wallet_passphrase_ = HelpfulStuff
                    .reInsertPassphrase("enter password for " + public_key_wallet_file_name);

            if (!public_key_wallet_passphrase.equals(public_key_wallet_passphrase_)) {
                System.out.println("passwords do not match");
                System.exit(0);
            }
        }

        MyWallet.createWallet(public_key_wallet_file_name, public_key_chain_file_name, 1,
                public_key_wallet_passphrase);
        MyWallet.updateWallet(public_key_wallet_file_name, public_key_chain_file_name, checkpoints_file_name);
        String public_key_address = MyWallet.getAddress(public_key_wallet_file_name, public_key_chain_file_name,
                0);
        System.out.println("address of public key: " + public_key_address);

        // 10000 additional satoshis for sending transaction to address of recipient of message and 10000 for fees
        KeyBits.encodeAddresses(public_key_wallet_file_name, public_key_chain_file_name, checkpoints_file_name,
                addresses, 2 * SendRequest.DEFAULT_FEE_PER_KB.intValue(), depth, public_key_wallet_passphrase);
    }

    if (cmd.hasOption("i")) {
        String location = cmd.getOptionValue("i");

        String[] addresses = null;
        if (location.indexOf(",") > -1) {
            String[] locations = location.split(",");
            addresses = MyWallet.getAddressesFromBlockAndTransaction("main.wallet", "main.wallet.chain",
                    checkpoints_file_name, locations[0], locations[1]);
        } else {
            addresses = BlockchainDotInfo.getKeys(location);
        }

        byte[] encoded = (new Encoding()).decodePublicKey(addresses);
        PGPPublicKeyRing public_key_ring = gpg.getDecoded(encoded);

        System.out.println(gpg.getArmored(public_key_ring));

        System.exit(0);
    }
}

---

From source file:Main.java

public static String longListToString(List<Long> list) {
    StringBuilder stringBuilder = new StringBuilder();
    stringBuilder.append("[");

    for (int valuesIndex = 0; valuesIndex < list.size(); valuesIndex++) {
        long value = list.get(valuesIndex);
        stringBuilder.append("0x");
        stringBuilder.append(Long.toHexString(value).toUpperCase());

        if (valuesIndex != list.size() - 1) {
            stringBuilder.append(", ");
        }// w  w  w.  j  a v  a 2  s  . c o  m
    }

    stringBuilder.append("]");

    return stringBuilder.toString();
}

---

From source file:Main.java

final public static String encodeToHex(int color) {
    StringBuilder builder = new StringBuilder();
    if ((color & 0xFF) < 0x10) {
        builder.append("0");
    }//from www  .jav  a2 s  .  c o m
    builder.append(Long.toHexString(color));
    return builder.toString();
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• 19
• 20
• 21
• 22
• 23
• 24
• 25
• 26
• 27
• 28
• 29
• 30
• 31
• 32
• 33
• 34
• 35
• 36
• 37
• 38
• 39
• 40
• 41
• 42
• 43
• 44
• 45
• 46
• »