Example usage for java.nio ByteBuffer putInt

Introduction

In this page you can find the example usage for java.nio ByteBuffer putInt.

Prototype

public abstract ByteBuffer putInt(int value);

Source Link

Document

Writes the given int to the current position and increases the position by 4.

Usage

From source file:com.alibaba.napoli.metamorphosis.client.producer.SimpleMessageProducer.java

/**
 * ??payload</br></br> 01attribute + payload
 * //  ww  w.j  a  v a2 s  .c o m
 * @param message
 * @return
 */
public static byte[] encodeData(final Message message) {
    final byte[] payload = message.getData();
    final String attribute = message.getAttribute();
    byte[] attrData = null;
    if (attribute != null) {
        attrData = ByteUtils.getBytes(attribute);
    } else {
        return payload;
    }
    // attributenull
    final int attrLen = attrData == null ? 0 : attrData.length;
    final ByteBuffer buffer = ByteBuffer.allocate(4 + attrLen + payload.length);
    if (attribute != null) {
        buffer.putInt(attrLen);
        if (attrData != null) {
            buffer.put(attrData);
        }
    }

    buffer.put(payload);
    return buffer.array();
}

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From source file:org.midonet.netlink.rtnetlink.Link.java

static public ByteBuffer describeGetRequest(ByteBuffer buf, String ifname) {
    buf.put((byte) 0);
    buf.put((byte) 0);
    buf.putShort((short) 0);
    buf.putInt(0);
    buf.putInt(0);//from   w  w w .jav a 2s. c o  m
    buf.putInt(0xffffffff);

    NetlinkMessage.writeStringAttr(buf, Attr.IFLA_IFNAME, ifname);

    return buf;
}

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From source file:org.midonet.netlink.rtnetlink.Link.java

static public ByteBuffer describeDelRequest(ByteBuffer buf, Link link) {
    IfinfoMsg ifi = link.ifi;/*from ww w  .ja  v a  2  s .co m*/
    buf.put(ifi.family);
    buf.put((byte) 0);
    buf.putShort(ifi.type);
    buf.putInt(ifi.index);
    buf.putInt(ifi.flags);
    buf.putInt(ifi.change);

    NetlinkMessage.writeAttrNested(buf, Attr.IFLA_LINKINFO, link.info);

    if (link.ifname != null) {
        NetlinkMessage.writeStringAttr(buf, Attr.IFLA_IFNAME, link.ifname);
    }

    return buf;
}

---

From source file:org.midonet.netlink.rtnetlink.Link.java

static public ByteBuffer describeSetAddrRequest(ByteBuffer buf, Link link, MAC mac) {
    IfinfoMsg ifi = link.ifi;//from  ww w.j av a  2 s.  c  o  m
    buf.put(ifi.family);
    buf.put((byte) 0);
    buf.putShort(ifi.type);
    buf.putInt(ifi.index);
    buf.putInt(ifi.flags);
    buf.putInt(ifi.change);

    NetlinkMessage.writeRawAttribute(buf, Attr.IFLA_ADDRESS, mac.getAddress());

    return buf;
}

---

From source file:org.midonet.netlink.rtnetlink.Link.java

static public ByteBuffer describeSetMasterRequest(ByteBuffer buf, Link link, int masterIndex) {
    IfinfoMsg ifi = link.ifi;/*from   w ww . jav a 2  s.  c  om*/
    buf.put(ifi.family);
    buf.put((byte) 0);
    buf.putShort(ifi.type);
    buf.putInt(ifi.index);
    buf.putInt(ifi.flags);
    buf.putInt(ifi.change);

    NetlinkMessage.writeIntAttr(buf, Attr.IFLA_MASTER, masterIndex);

    return buf;
}

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

private static void updateJournalVersion(JournalChannel jc, int journalVersion) throws IOException {
    long prevPos = jc.fc.position();
    try {/*from   ww  w  . j a v a 2 s  .  c  om*/
        ByteBuffer versionBuffer = ByteBuffer.allocate(4);
        versionBuffer.putInt(journalVersion);
        versionBuffer.flip();
        jc.fc.position(4);
        IOUtils.writeFully(jc.fc, versionBuffer);
        jc.fc.force(true);
    } finally {
        jc.fc.position(prevPos);
    }
}

---

From source file:com.github.seqware.queryengine.plugins.runners.hbasemr.MRHBasePluginRunner.java

public static String[] serializeParametersToString(Object[] parameters, PluginInterface mapReducePlugin,
        byte[][] sSet, byte[] dSet) {
    int num_guaranteed_parameters = 6;
    String[] str_params = new String[num_guaranteed_parameters];
    byte[] ext_serials = SerializationUtils.serialize(parameters);
    byte[] int_serials = SerializationUtils.serialize(mapReducePlugin.getInternalParameters());
    str_params[EXTERNAL_PARAMETERS] = Base64.encodeBase64String(ext_serials);
    str_params[INTERNAL_PARAMETERS] = Base64.encodeBase64String(int_serials);
    ByteBuffer bBuffer = ByteBuffer.allocate(1024 * 1024); // one MB should be enough for now
    bBuffer.putInt(sSet.length);
    for (byte[] arr : sSet) {
        bBuffer.putInt(arr.length);// www.j a  v  a2s.c  o m
        bBuffer.put(arr);
    }
    str_params[NUM_AND_SOURCE_FEATURE_SETS] = Base64.encodeBase64String(bBuffer.array());
    str_params[DESTINATION_FEATURE_SET] = Base64.encodeBase64String(dSet);
    str_params[SETTINGS_MAP] = Base64
            .encodeBase64String(SerializationUtils.serialize(new Object[] { Constants.getSETTINGS_MAP() }));
    str_params[PLUGIN_CLASS] = Base64
            .encodeBase64String(SerializationUtils.serialize(mapReducePlugin.getClass()));

    return str_params;
}

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From source file:com.healthmarketscience.jackcess.impl.OleUtil.java

private static byte[] writePackageStreamFooter(OleBlob.Builder oleBuilder) {

    // note, these are _not_ zero terminated
    byte[] fileNameBytes = oleBuilder.getFileName().getBytes(OLE_UTF_CHARSET);
    byte[] filePathBytes = oleBuilder.getFilePath().getBytes(OLE_UTF_CHARSET);

    int footerLen = 12 + (filePathBytes.length * 2) + fileNameBytes.length;

    byte[] footerBytes = new byte[footerLen];
    ByteBuffer bb = PageChannel.wrap(footerBytes);

    bb.putInt(filePathBytes.length / 2);
    bb.put(filePathBytes);//from   ww  w .  j  av  a 2 s . com
    bb.putInt(fileNameBytes.length / 2);
    bb.put(fileNameBytes);
    bb.putInt(filePathBytes.length / 2);
    bb.put(filePathBytes);

    return footerBytes;
}

---

From source file:org.wso2.carbon.analytics.datasource.core.util.GenericUtils.java

public static byte[] encodeElement(String name, Object value) throws AnalyticsException {
    ByteBuffer buffer = ByteBuffer.allocate(calculateBufferSizePerElement(name, value));
    String strVal;// w w  w . ja  v  a  2s  .com
    boolean boolVal;
    byte[] binData;

    buffer.putInt(name.getBytes(StandardCharsets.UTF_8).length);
    buffer.put(name.getBytes(StandardCharsets.UTF_8));
    if (value instanceof String) {
        buffer.put(DATA_TYPE_STRING);
        strVal = (String) value;
        buffer.putInt(strVal.getBytes(StandardCharsets.UTF_8).length);
        buffer.put(strVal.getBytes(StandardCharsets.UTF_8));
    } else if (value instanceof Long) {
        buffer.put(DATA_TYPE_LONG);
        buffer.putLong((Long) value);
    } else if (value instanceof Double) {
        buffer.put(DATA_TYPE_DOUBLE);
        buffer.putDouble((Double) value);
    } else if (value instanceof Boolean) {
        buffer.put(DATA_TYPE_BOOLEAN);
        boolVal = (Boolean) value;
        if (boolVal) {
            buffer.put(BOOLEAN_TRUE);
        } else {
            buffer.put(BOOLEAN_FALSE);
        }
    } else if (value instanceof Integer) {
        buffer.put(DATA_TYPE_INTEGER);
        buffer.putInt((Integer) value);
    } else if (value instanceof Float) {
        buffer.put(DATA_TYPE_FLOAT);
        buffer.putFloat((Float) value);
    } else if (value instanceof byte[]) {
        buffer.put(DATA_TYPE_BINARY);
        binData = (byte[]) value;
        buffer.putInt(binData.length);
        buffer.put(binData);
    } else if (value == null) {
        buffer.put(DATA_TYPE_NULL);
    } else {
        buffer.put(DATA_TYPE_OBJECT);
        binData = GenericUtils.serializeObject(value);
        buffer.putInt(binData.length);
        buffer.put(binData);
    }

    return buffer.array();
}

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From source file:com.healthmarketscience.jackcess.impl.OleUtil.java

private static byte[] writePackageHeader(OleBlob.Builder oleBuilder, long contentLen) {

    byte[] prettyNameBytes = getZeroTermStrBytes(oleBuilder.getPrettyName());
    String className = oleBuilder.getClassName();
    String typeName = oleBuilder.getTypeName();
    if (className == null) {
        className = typeName;/* w  w  w  . ja v  a  2  s .c o m*/
    } else if (typeName == null) {
        typeName = className;
    }
    byte[] classNameBytes = getZeroTermStrBytes(className);
    byte[] typeNameBytes = getZeroTermStrBytes(typeName);

    int packageHeaderLen = 20 + prettyNameBytes.length + classNameBytes.length;

    int oleHeaderLen = 24 + typeNameBytes.length;

    byte[] headerBytes = new byte[packageHeaderLen + oleHeaderLen];

    ByteBuffer bb = PageChannel.wrap(headerBytes);

    // write outer package header
    bb.putShort((short) PACKAGE_SIGNATURE);
    bb.putShort((short) packageHeaderLen);
    bb.putInt(PACKAGE_OBJECT_TYPE);
    bb.putShort((short) prettyNameBytes.length);
    bb.putShort((short) classNameBytes.length);
    int prettyNameOff = bb.position() + 8;
    bb.putShort((short) prettyNameOff);
    bb.putShort((short) (prettyNameOff + prettyNameBytes.length));
    bb.putInt(-1);
    bb.put(prettyNameBytes);
    bb.put(classNameBytes);

    // put ole header
    bb.putInt(OLE_VERSION);
    bb.putInt(OLE_FORMAT);
    bb.putInt(typeNameBytes.length);
    bb.put(typeNameBytes);
    bb.putLong(0L);
    bb.putInt((int) contentLen);

    return headerBytes;
}

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