Example usage for java.util Arrays copyOfRange

List of usage examples for java.util Arrays copyOfRange

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Introduction

In this page you can find the example usage for java.util Arrays copyOfRange.

Prototype

public static boolean[] copyOfRange(boolean[] original, int from, int to)

Source Link

Document

Copies the specified range of the specified array into a new array.

Usage

From source file:org.tacografo.file.CardBlockFile.java

/**
 * Constructor que leera los bytes del fichero pasado como array de bytes para interpretar los
 * datos y asignarlo a los bloque correspondientes
 * @throws Exception //from   www .  j  a  v a 2 s .c o  m
 */
@SuppressWarnings({ "unchecked", "rawtypes" })
public CardBlockFile(byte[] bytes) throws Exception {
    HashMap<String, Block> lista = new HashMap();
    this.listBlock = new HashMap();
    try {
        int start = 0;
        while (start < bytes.length) {
            int fid = Number.getNumber(Arrays.copyOfRange(bytes, start, start += 2));
            if (this.existe_Fid(fid)) {
                byte tipo = bytes[start];
                start += 1;
                Integer longitud = (int) Number.getNumber(Arrays.copyOfRange(bytes, start, start += 2));
                byte[] datos = new byte[longitud];
                datos = Arrays.copyOfRange(bytes, start, start += longitud);
                // tipo de archivo 0 = bloque de dato -- 1 = certificado
                if (tipo == 0) {
                    Block block = (Block) FactoriaBloques.getFactoria(fid, datos);
                    if (block != null) {
                        this.listBlock.put(block.getFID(), (Block) block);

                    }
                }
            } else {
                throw new Error("Block not found");
            }

        }

    } catch (IOException e) {
        System.out.println(e.getMessage());
    }

    this.asignarBloques();

}

From source file:com.glaf.core.util.BinaryUtils.java

/**
 * Returns a copy of the bytes from the given <code>ByteBuffer</code>,
 * ranging from the the buffer's current position to the buffer's limit; or
 * null if the input is null./*from ww  w .  ja  va  2  s .c  om*/
 * <p>
 * The internal states of the given byte buffer will be restored when this
 * method completes execution.
 * <p>
 * When handling <code>ByteBuffer</code> from user's input, it's typical to
 * call the {@link #copyBytesFrom(ByteBuffer)} instead of
 * {@link #copyAllBytesFrom(ByteBuffer)} so as to account for the position
 * of the input <code>ByteBuffer</code>. The opposite is typically true,
 * however, when handling <code>ByteBuffer</code> from withint the
 * unmarshallers of the low-level clients.
 */
public static byte[] copyBytesFrom(ByteBuffer bb) {
    if (bb == null)
        return null;
    if (bb.hasArray())
        return Arrays.copyOfRange(bb.array(), bb.position(), bb.limit());
    bb.mark();
    try {
        byte[] dst = new byte[bb.remaining()];
        bb.get(dst);
        return dst;
    } finally {
        bb.reset();
    }
}

From source file:edu.msu.cme.rdp.readseq.utils.SequenceTrimmer.java

public static TrimStats getStats(Sequence seq, int trimStart, int trimStop) {
    if (trimStart >= trimStop) {
        throw new IllegalArgumentException("Trim start has to come before trim end");
    }/*from  www. jav  a  2 s.  co m*/

    TrimStats ret = new TrimStats();
    int modelPos = 0;
    int seqPos = 0;
    int index;
    int filled = 0;
    char b;
    boolean ischar, isgap, ismodel, isupper, intrim;

    int alnStart = -1;

    char[] bases = seq.getSeqString().toCharArray();

    for (index = 0; index < bases.length; index++) {
        b = bases[index];

        ischar = Character.isLetter(b);
        isupper = ischar && Character.isUpperCase(b);
        isgap = !ischar && (b == '.' || b == '~' || b == '-');
        ismodel = (b == '-') || isupper;
        intrim = (modelPos >= trimStart && modelPos < trimStop);

        if (ischar) {
            seqPos++;

            if (b == 'n' || b == 'N') {
                ret.numNs++;

                if (intrim) {
                    ret.nsInTrim++;
                }
            }

            if (intrim) {
                ret.trimmedLength++;
            }
        }

        if (ismodel) {
            if (modelPos == trimStart) {
                ret.seqTrimStart = seqPos;
                alnStart = index;
            }
            if (modelPos >= trimStart && modelPos < trimStop) {
                filled++;
                if (ischar) {
                    ret.filledRatio++;
                }
            }

            if (modelPos == trimStop) {
                ret.seqTrimStop = seqPos;
                ret.trimmedBases = Arrays.copyOfRange(bases, alnStart, index);
            }

            if (!isgap) {
                if (ret.seqStart == -1) {
                    ret.seqStart = modelPos;
                }
                ret.seqStop = modelPos;
            }

            modelPos++;
        }
    }

    ret.seqLength = seqPos;
    ret.modelLength = modelPos;
    ret.filledRatio /= filled;

    return ret;
}

From source file:com.atomicleopard.thundr.gae.channels.ChannelService.java

private static final String limitTo64Bytes(String clientId) {
    try {/*www  . j a  va  2  s.  c  o m*/
        byte[] bytes = clientId.getBytes("UTF-8");
        byte[] newBytes = Arrays.copyOfRange(bytes, Math.max(0, bytes.length - 64), bytes.length);
        return new String(newBytes, "UTF-8");
    } catch (UnsupportedEncodingException e) {
        Logger.warn(
                "Unsupported encoding exception while determining clientId, making a best guess and continuing: %s",
                e.getMessage());
        return StringUtils.reverse(StringUtils.reverse(clientId).substring(0, 64));
    }
}

From source file:com.bunjlabs.fuga.templates.TemplateApi.java

/**
 *
 * @param args Input arguments/*from  w w  w  .  jav  a  2  s .c  om*/
 * @return Produced string
 */
public String format(Object... args) {
    if (args.length == 0) {
        return "";
    }
    if (args.length == 1) {
        return args[0] != null ? args[0].toString() : "";
    }

    return String.format(args[0].toString(), Arrays.copyOfRange(args, 1, args.length));
}

From source file:hivemall.anomaly.SingularSpectrumTransform.java

@Override
public void update(@Nonnull final Object arg, @Nonnull final double[] outScores) throws HiveException {
    double x = PrimitiveObjectInspectorUtils.getDouble(arg, oi);
    xRing.add(x).toArray(xSeries, true /* FIFO */);

    // need to wait until the buffer is filled
    if (!xRing.isFull()) {
        outScores[0] = 0.d;/*from w  w w. j av a  2s .  co m*/
    } else {
        // create past trajectory matrix and find its left singular vectors
        RealMatrix H = new Array2DRowRealMatrix(window, nPastWindow);
        for (int i = 0; i < nPastWindow; i++) {
            H.setColumn(i, Arrays.copyOfRange(xSeries, i, i + window));
        }

        // create current trajectory matrix and find its left singular vectors
        RealMatrix G = new Array2DRowRealMatrix(window, nCurrentWindow);
        int currentHead = pastSize + currentOffset;
        for (int i = 0; i < nCurrentWindow; i++) {
            G.setColumn(i, Arrays.copyOfRange(xSeries, currentHead + i, currentHead + i + window));
        }

        switch (scoreFunc) {
        case svd:
            outScores[0] = computeScoreSVD(H, G);
            break;
        case ika:
            outScores[0] = computeScoreIKA(H, G);
            break;
        default:
            throw new IllegalStateException("Unexpected score function: " + scoreFunc);
        }
    }
}

From source file:com.zack6849.irc.bridgebot.BukkitHandler.java

@EventHandler
public void onCommand(PlayerCommandPreprocessEvent event) {
    String command = event.getMessage().substring(1);
    String[] args = event.getMessage().split(" ");
    if (command.startsWith("me") && args.length > 1) {
        String username = event.getPlayer().getDisplayName();
        String playername = event.getPlayer().getName();
        String message = StringUtils.join(Arrays.copyOfRange(args, 1, args.length), " ");
        String format = config.getProperty("MC-ACTION-FORMAT").replace("%MESSAGE%", message)
                .replace("%PLAYER%", username).replace("%PLAYERNAME%", playername);
        sendMessage(Utils.bukkitcolorize(format));
    }//from ww  w. j  ava2 s.  co  m
}

From source file:com.epam.dlab.Help.java

/** Print help screen for billing tool. 
 * @throws InitializationException */
public static void usage(String... args) throws InitializationException {
    if (args == null || args.length == 0) {
        printHelp("usage", null);
    } else if (args[0].equalsIgnoreCase("conf")) {
        printHelp("conf", findModules());
    } else {/*  w  ww  .  j  a  va 2s .  c o  m*/
        ModuleType type = ModuleType.of(args[0]);
        if (type == null) {
            System.out.println("Unknown --help " + args[0] + " command.");
        } else if (args.length < 2) {
            System.out.println("Missing the type of module.");
            String typeNames = findModules().get(type.toString() + "s");
            if (typeNames != null) {
                System.out.println("Must be one of next: " + typeNames);
            }
        } else if (args.length > 2) {
            System.out.println("Extra arguments in command: "
                    + StringUtils.join(Arrays.copyOfRange(args, 2, args.length), " "));
        } else {
            System.out.println(findModuleHelp(type, args[1]));
        }
    }
}

From source file:com.bitbreeds.webrtc.stun.StunMessage.java

public void validate(String pass, byte[] data) {
    StunAttribute fingerprint = this.attributeSet.remove(StunAttributeTypeEnum.FINGERPRINT);
    String finger = new String(fingerprint.getData());
    byte[] fingerprintData = Arrays.copyOfRange(data, 0, data.length - fingerprint.getLength() - 4);
    final CRC32 crc = new CRC32();
    crc.update(fingerprintData);/*from   w  w w.j  av  a  2 s. co m*/
    String comp = new String(SignalUtil.xor(SignalUtil.fourBytesFromInt((int) crc.getValue()),
            new byte[] { 0x53, 0x54, 0x55, 0x4e }));

    if (!comp.equals(finger)) {
        throw new StunError("Fingerprint bad, computed=" + comp + " sent=" + finger);
    }

    StunAttribute integrity = attributeSet.remove(StunAttributeTypeEnum.MESSAGE_INTEGRITY);

    byte[] integrityData = Arrays.copyOfRange(data, 0,
            data.length - fingerprint.getLength() - integrity.getLength() - 8);
    byte[] lgt = SignalUtil.twoBytesFromInt(fingerprintData.length - 20);
    integrityData[2] = lgt[0];
    integrityData[3] = lgt[1];

    byte[] mac = SignalUtil.hmacSha1(integrityData, pass.getBytes());

    if (!Arrays.equals(mac, integrity.getData())) {
        throw new StunError("Integrity bad, computed=" + Hex.encodeHexString(mac) + " sent="
                + Hex.encodeHexString(integrity.getData()));
    }
}

From source file:dev.maisentito.suca.commands.BotCommands.java

public static String[] parseCommandArgs(String message) {
    String[] parts = message.trim().substring(1).split("\\s+");
    if (parts.length > 1) {
        return Arrays.copyOfRange(parts, 1, parts.length);
    } else {//from   w w w  .j a  va2  s  .  c  o m
        return new String[0];
    }
}