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.nridge.core.base.std.BufUtl.java

/**
 * Stores the <i>String</i> parameter value into the
 * <code>ByteBuffer</code> object.
 *
 * @param aBuffer Packet byte buffer object.
 * @param aString A non-null string.//from   ww w  .  j  av  a2  s. c o m
 */
public static void putString(ByteBuffer aBuffer, String aString) {
    int strLength;

    if ((aBuffer != null) && (aString != null)) {
        strLength = aString.length();
        aBuffer.putInt(strLength);
        for (int i = 0; i < strLength; i++)
            aBuffer.putChar(aString.charAt(i));
    }
}

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From source file:org.apache.myriad.state.utils.ByteBufferSupport.java

public static void putBytes(ByteBuffer bb, byte bytes[]) {
    if (bytes != null && bytes.length > 0) {
        bb.putInt(bytes.length);
        bb.put(bytes);// ww  w . jav  a2s  . co  m
    } else {
        bb.putInt(0);
    }
}

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From source file:com.inmobi.messaging.util.AuditUtil.java

public static void attachHeaders(Message m, Long timestamp) {
    byte[] b = m.getData().array();
    int messageSize = b.length;
    int totalSize = messageSize + HEADER_LENGTH;
    ByteBuffer buffer = ByteBuffer.allocate(totalSize);

    // writing version
    buffer.put((byte) currentVersion);
    // writing magic bytes
    buffer.put(magicBytes);/*w w  w .  j a v a 2s  .  c o  m*/
    // writing timestamp
    long time = timestamp;
    buffer.putLong(time);

    // writing message size
    buffer.putInt(messageSize);
    // writing message
    buffer.put(b);
    buffer.rewind();
    m.set(buffer);
    // return new Message(buffer);

}

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From source file:org.apache.myriad.state.utils.ByteBufferSupport.java

public static ByteBuffer toByteBuffer(NodeTask nt) {
    // Determine the size of ByteBuffer to allocate
    // The ServiceResourceProfile toString() returns Json, if this ever changes then this
    // will fail. Json is expected.
    byte[] profile = toBytes(nt.getProfile().toString());
    int size = profile.length + INT_SIZE;

    Constraint constraint = nt.getConstraint();
    Constraint.Type type = constraint == null ? Type.NULL : constraint.getType();
    size += INT_SIZE;/*  w ww  . j a v a  2 s  .co  m*/

    byte[] constraintBytes = ZERO_BYTES;
    if (constraint != null) {
        constraintBytes = toBytes(constraint.toString());
        size += constraintBytes.length + INT_SIZE;
    } else {
        size += INT_SIZE;
    }

    byte[] hostname = toBytes(nt.getHostname());
    size += hostname.length + INT_SIZE;

    if (nt.getSlaveId() != null) {
        size += nt.getSlaveId().getSerializedSize() + INT_SIZE;
    } else {
        size += INT_SIZE;
    }

    if (nt.getTaskStatus() != null) {
        size += nt.getTaskStatus().getSerializedSize() + INT_SIZE;
    } else {
        size += INT_SIZE;
    }

    if (nt.getExecutorInfo() != null) {
        size += nt.getExecutorInfo().getSerializedSize() + INT_SIZE;
    } else {
        size += INT_SIZE;
    }

    byte[] taskPrefixBytes = ZERO_BYTES;
    if (nt.getTaskPrefix() != null) {
        taskPrefixBytes = toBytes(nt.getTaskPrefix());
        size += taskPrefixBytes.length + INT_SIZE;
    }

    // Allocate and populate the buffer.
    ByteBuffer bb = createBuffer(size);
    putBytes(bb, profile);
    bb.putInt(type.ordinal());
    putBytes(bb, constraintBytes);
    putBytes(bb, hostname);
    putBytes(bb, getSlaveBytes(nt));
    putBytes(bb, getTaskBytes(nt));
    putBytes(bb, getExecutorInfoBytes(nt));
    putBytes(bb, taskPrefixBytes);
    // Make sure the buffer is at the beginning
    bb.rewind();
    return bb;
}

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From source file:org.apache.cassandra.Util.java

public static ByteBuffer getBytes(int v) {
    byte[] bytes = new byte[4];
    ByteBuffer bb = ByteBuffer.wrap(bytes);
    bb.putInt(v);
    bb.rewind();/*from  w  w  w  .  ja  v a  2 s .  c o m*/
    return bb;
}

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From source file:com.github.woz_dialog.ros_woz_dialog_project.TTSHTTPClient.java

private static byte[] addWavHeader(byte[] bytes) throws IOException {

    ByteBuffer bufferWithHeader = ByteBuffer.allocate(bytes.length + 44);
    bufferWithHeader.order(ByteOrder.LITTLE_ENDIAN);
    bufferWithHeader.put("RIFF".getBytes());
    bufferWithHeader.putInt(bytes.length + 36);
    bufferWithHeader.put("WAVE".getBytes());
    bufferWithHeader.put("fmt ".getBytes());
    bufferWithHeader.putInt(16);/*from   w w w.  jav a  2  s  .  c  o m*/
    bufferWithHeader.putShort((short) 1);
    bufferWithHeader.putShort((short) 1);
    bufferWithHeader.putInt(16000);
    bufferWithHeader.putInt(32000);
    bufferWithHeader.putShort((short) 2);
    bufferWithHeader.putShort((short) 16);
    bufferWithHeader.put("data".getBytes());
    bufferWithHeader.putInt(bytes.length);
    bufferWithHeader.put(bytes);
    return bufferWithHeader.array();
}

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From source file:org.hobbit.core.rabbit.RabbitMQUtils.java

/**
 * writes the given byte arrays and puts their length in front of them.
 * Thus, they can be read using a ByteBuffer and the
 * {@link #readByteArray(ByteBuffer)} method.
 *
 * @param precedingData/*w w w .  j av  a2  s .  co  m*/
 *            data that should be written before the arrays are written.
 *            <b>Note</b> that this data is not preceded with the byte array
 *            length.
 * @param arrays
 *            arrays that should be written to a single array
 * @param subsequentData
 *            data that should be written after the arrays are written.
 *            <b>Note</b> that this data is not preceded with the byte array
 *            length.
 * @return the byte array containing all given arrays and their lengths
 */
public static byte[] writeByteArrays(byte[] precedingData, byte[][] arrays, byte[] subsequentData) {
    int length = arrays.length * 4;
    if (precedingData != null) {
        length += precedingData.length;
    }
    for (int i = 0; i < arrays.length; ++i) {
        length += arrays[i].length;
    }
    if (subsequentData != null) {
        length += subsequentData.length;
    }
    // write the data to the byte array
    ByteBuffer buffer = ByteBuffer.allocate(length);
    if (precedingData != null) {
        buffer.put(precedingData);
    }
    for (int i = 0; i < arrays.length; ++i) {
        buffer.putInt(arrays[i].length);
        buffer.put(arrays[i]);
    }
    if (subsequentData != null) {
        buffer.put(subsequentData);
    }
    return buffer.array();
}

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From source file:org.energy_home.jemma.javagal.layers.data.implementations.Utils.DataManipulation.java

/**
 * Converts an {@code int} to a {@code byte[]}. An int is composed of four
 * bytes. Writes four bytes containing the given int value, in the current
 * byte order. Numbering them from 0 (the most important) to 5 (the least
 * important), the resulting array will have all them placed in the same
 * position.//  w  w  w . ja  va2s  . c  o m
 * 
 * @param x
 *            the int to convert.
 * @return the resulting array.
 */
public static byte[] intToBytes(int x) {
    ByteBuffer buffer = ByteBuffer.allocate(4);
    buffer.order(ByteOrder.BIG_ENDIAN);
    buffer.putInt(x);
    return buffer.array();
}

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From source file:com.alibaba.rocketmq.common.MixAll.java

public static long createBrokerId(final String ip, final int port) {
    InetSocketAddress isa = new InetSocketAddress(ip, port);
    byte[] ipArray = isa.getAddress().getAddress();
    ByteBuffer bb = ByteBuffer.allocate(8);
    bb.put(ipArray);/*from w  ww .ja  v  a  2  s  .  c  o m*/
    bb.putInt(port);
    long value = bb.getLong(0);
    return Math.abs(value);
}

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From source file:io.github.dsheirer.record.wave.WaveWriter.java

/**
 * Creates a wave file header with a format descriptor chunk
 *///w ww .ja va  2  s .c o  m
public static ByteBuffer getWaveHeader(AudioFormat format) {
    ByteBuffer header = ByteBuffer.allocate(12).order(ByteOrder.LITTLE_ENDIAN);

    //RIFF/WAVE header and size
    header.put(RIFF_ID.getBytes());
    header.putInt(INITIAL_TOTAL_LENGTH);
    header.put(WAVE_ID.getBytes());

    //Reset the buffer pointer to 0
    header.position(0);

    return header;
}

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