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:org.wso2.carbon.databridge.receiver.binary.internal.BinaryDataReceiver.java

private void sendError(Exception e, OutputStream outputStream) throws IOException {

    int errorClassNameLength = e.getClass().getCanonicalName().length();
    int errorMsgLength = e.getMessage().length();

    ByteBuffer bbuf = ByteBuffer.wrap(new byte[8]);
    bbuf.putInt(errorClassNameLength);
    bbuf.putInt(errorMsgLength);/*from   w  w  w  . java  2 s. c  om*/

    outputStream.write((byte) 1);//Error
    outputStream.write(bbuf.array());
    outputStream.write(e.getClass().getCanonicalName().getBytes(BinaryMessageConstants.DEFAULT_CHARSET));
    outputStream.write(e.getMessage().getBytes(BinaryMessageConstants.DEFAULT_CHARSET));
    outputStream.flush();
}

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From source file:org.springframework.integration.support.json.EmbeddedJsonHeadersMessageMapper.java

private byte[] fromBytesPayload(byte[] payload, Map<String, Object> headersToEncode) throws Exception {
    byte[] headers = this.objectMapper.writeValueAsBytes(headersToEncode);
    ByteBuffer buffer = ByteBuffer.wrap(new byte[8 + headers.length + payload.length]);
    buffer.putInt(headers.length);
    buffer.put(headers);//from   w  w w  .j  a  v a2 s.c  o  m
    buffer.putInt(payload.length);
    buffer.put(payload);
    return buffer.array();
}

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From source file:org.apache.tez.runtime.library.output.TestOnFileUnorderedKVOutput.java

private OutputContext createOutputContext(Configuration conf, TezSharedExecutor sharedExecutor)
        throws IOException {
    int appAttemptNumber = 1;
    TezUmbilical tezUmbilical = mock(TezUmbilical.class);
    String dagName = "currentDAG";
    String taskVertexName = "currentVertex";
    String destinationVertexName = "destinationVertex";
    TezDAGID dagID = TezDAGID.getInstance("2000", 1, 1);
    TezVertexID vertexID = TezVertexID.getInstance(dagID, 1);
    TezTaskID taskID = TezTaskID.getInstance(vertexID, 1);
    TezTaskAttemptID taskAttemptID = TezTaskAttemptID.getInstance(taskID, 1);
    UserPayload userPayload = TezUtils.createUserPayloadFromConf(conf);

    TaskSpec mockSpec = mock(TaskSpec.class);
    when(mockSpec.getInputs()).thenReturn(Collections.singletonList(mock(InputSpec.class)));
    when(mockSpec.getOutputs()).thenReturn(Collections.singletonList(mock(OutputSpec.class)));
    task = new LogicalIOProcessorRuntimeTask(mockSpec, appAttemptNumber, new Configuration(),
            new String[] { "/" }, tezUmbilical, null, null, null, null, "", null, 1024, false,
            new DefaultHadoopShim(), sharedExecutor);

    LogicalIOProcessorRuntimeTask runtimeTask = spy(task);

    Map<String, String> auxEnv = new HashMap<String, String>();
    ByteBuffer bb = ByteBuffer.allocate(4);
    bb.putInt(shufflePort);
    bb.position(0);// w w w  .  j a  va2  s. c  om
    AuxiliaryServiceHelper.setServiceDataIntoEnv(conf.get(TezConfiguration.TEZ_AM_SHUFFLE_AUXILIARY_SERVICE_ID,
            TezConfiguration.TEZ_AM_SHUFFLE_AUXILIARY_SERVICE_ID_DEFAULT), bb, auxEnv);

    OutputDescriptor outputDescriptor = mock(OutputDescriptor.class);
    when(outputDescriptor.getClassName()).thenReturn("OutputDescriptor");

    OutputContext realOutputContext = new TezOutputContextImpl(conf, new String[] { workDir.toString() },
            appAttemptNumber, tezUmbilical, dagName, taskVertexName, destinationVertexName, -1, taskAttemptID,
            0, userPayload, runtimeTask, null, auxEnv, new MemoryDistributor(1, 1, conf), outputDescriptor,
            null, new ExecutionContextImpl("localhost"), 2048, new TezSharedExecutor(defaultConf));
    verify(runtimeTask, times(1)).addAndGetTezCounter(destinationVertexName);
    verify(runtimeTask, times(1)).getTaskStatistics();
    // verify output stats object got created
    Assert.assertTrue(task.getTaskStatistics().getIOStatistics().containsKey(destinationVertexName));
    OutputContext outputContext = spy(realOutputContext);
    doAnswer(new Answer() {
        @Override
        public Object answer(InvocationOnMock invocation) throws Throwable {
            long requestedSize = (Long) invocation.getArguments()[0];
            MemoryUpdateCallbackHandler callback = (MemoryUpdateCallbackHandler) invocation.getArguments()[1];
            callback.memoryAssigned(requestedSize);
            return null;
        }
    }).when(outputContext).requestInitialMemory(anyLong(), any(MemoryUpdateCallback.class));

    return outputContext;
}

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From source file:org.apache.hadoop.hbase.filter.TestFuzzyRowAndColumnRangeFilter.java

private void runTest(HTable hTable, int cqStart, int expectedSize) throws IOException {
    // [0, 2, ?, ?, ?, ?, 0, 0, 0, 1]
    byte[] fuzzyKey = new byte[10];
    ByteBuffer buf = ByteBuffer.wrap(fuzzyKey);
    buf.clear();/*from   w  w w. j  av a2 s  . co m*/
    buf.putShort((short) 2);
    for (int i = 0; i < 4; i++)
        buf.put((byte) 63);
    buf.putInt((short) 1);

    byte[] mask = new byte[] { 0, 0, 1, 1, 1, 1, 0, 0, 0, 0 };

    Pair<byte[], byte[]> pair = new Pair<byte[], byte[]>(fuzzyKey, mask);
    FuzzyRowFilter fuzzyRowFilter = new FuzzyRowFilter(Lists.newArrayList(pair));
    ColumnRangeFilter columnRangeFilter = new ColumnRangeFilter(Bytes.toBytes(cqStart), true, Bytes.toBytes(4),
            true);
    //regular test
    runScanner(hTable, expectedSize, fuzzyRowFilter, columnRangeFilter);
    //reverse filter order test
    runScanner(hTable, expectedSize, columnRangeFilter, fuzzyRowFilter);
}

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From source file:com.cellngine.crypto.RSACipher.java

private byte[] encode(final BigInteger modulus, final BigInteger exponent) {
    final byte[] modulusEnc = modulus.toByteArray();
    final byte[] exponentEnc = exponent.toByteArray();
    final ByteBuffer buffer = ByteBuffer.allocate(2 * 4 + modulusEnc.length + exponentEnc.length);
    buffer.putInt(modulusEnc.length);
    buffer.put(modulusEnc);/*from  w ww .jav a 2s .  co m*/
    buffer.putInt(exponentEnc.length);
    buffer.put(exponentEnc);
    return buffer.array();
}

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From source file:com.linkedin.databus.core.DbusEventPart.java

public void encode(ByteBuffer buf) {
    int curPos = _data.position();
    buf.putInt(getDataLength());
    short attributes = 0;
    switch (_schemaDigestType) {
    case MD5://w  ww. j a va2s  .co  m
        attributes = SCHEMA_DIGEST_TYPE_MD5;
        break;
    case CRC32:
        attributes = SCHEMA_DIGEST_TYPE_CRC32;
        break;
    default:
        throw new UnsupportedOperationException("Unsupported schema digest type:" + _schemaDigestType);
    }
    attributes |= (_schemaVersion << VERSION_SHIFT);
    buf.putShort(attributes);
    buf.put(_schemaDigest);
    buf.put(_data);
    _data.position(curPos);
}

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From source file:org.springframework.integration.ip.tcp.serializer.ByteArrayLengthHeaderSerializer.java

/**
 * Writes the header, according to the header format.
 * @param outputStream/*from   w w w  .  j a  va  2s . c  o m*/
 * @param length
 * @throws IOException
 */
protected void writeHeader(OutputStream outputStream, int length) throws IOException {
    ByteBuffer lengthPart = ByteBuffer.allocate(this.headerSize);
    switch (this.headerSize) {
    case HEADER_SIZE_INT:
        lengthPart.putInt(length);
        break;
    case HEADER_SIZE_UNSIGNED_BYTE:
        if (length > 0xff) {
            throw new IllegalArgumentException(
                    "Length header:" + headerSize + " too short to accommodate message length:" + length);
        }
        lengthPart.put((byte) length);
        break;
    case HEADER_SIZE_UNSIGNED_SHORT:
        if (length > 0xffff) {
            throw new IllegalArgumentException(
                    "Length header:" + headerSize + " too short to accommodate message length:" + length);
        }
        lengthPart.putShort((short) length);
        break;
    default:
        throw new IllegalArgumentException("Bad header size:" + headerSize);
    }
    outputStream.write(lengthPart.array());
}

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From source file:ru.jts_dev.common.tcp.ProtocolByteArrayLengthHeaderSerializer.java

@Override
protected void writeHeader(OutputStream outputStream, int length) throws IOException {
    ByteBuffer lengthPart = ByteBuffer.allocate(this.headerSize).order(LITTLE_ENDIAN);
    length += headerSize; // Protocol thing, length represent header size + data size
    switch (this.headerSize) {
    case HEADER_SIZE_INT:
        lengthPart.putInt(length);
        break;/*w  ww. j  a v a2  s. co m*/
    case HEADER_SIZE_UNSIGNED_BYTE:
        if (length > 0xff) {
            throw new IllegalArgumentException(
                    "Length header:" + headerSize + " too short to accommodate message length:" + length);
        }
        lengthPart.put((byte) length);
        break;
    case HEADER_SIZE_UNSIGNED_SHORT:
        if (length > 0xffff) {
            throw new IllegalArgumentException(
                    "Length header:" + headerSize + " too short to accommodate message length:" + length);
        }
        lengthPart.putShort((short) length);
        break;
    default:
        throw new IllegalArgumentException("Bad header size:" + headerSize);
    }
    outputStream.write(lengthPart.array());
}

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From source file:edu.umn.cs.spatialHadoop.visualization.FrequencyMap.java

@Override
public void write(DataOutput out) throws IOException {
    super.write(out);
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    GZIPOutputStream gzos = new GZIPOutputStream(baos);
    ByteBuffer bbuffer = ByteBuffer.allocate(getHeight() * 4 + 8);
    bbuffer.putInt(getWidth());
    bbuffer.putInt(getHeight());/*  ww  w.  j  a v  a2  s  .  com*/
    gzos.write(bbuffer.array(), 0, bbuffer.position());
    for (int x = 0; x < getWidth(); x++) {
        bbuffer.clear();
        for (int y = 0; y < getHeight(); y++) {
            bbuffer.putFloat(frequencies[x][y]);
        }
        gzos.write(bbuffer.array(), 0, bbuffer.position());
    }
    gzos.close();

    byte[] serializedData = baos.toByteArray();
    out.writeInt(serializedData.length);
    out.write(serializedData);
}

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From source file:edu.berkeley.sparrow.examples.FairnessTestingFrontend.java

public List<TTaskSpec> generateJob(int numTasks, int numPreferredNodes, List<String> backends, int benchmarkId,
        int benchmarkIterations) {
    // Pack task parameters
    ByteBuffer message = ByteBuffer.allocate(8);
    message.putInt(benchmarkId);
    message.putInt(benchmarkIterations);

    List<TTaskSpec> out = new ArrayList<TTaskSpec>();
    for (int taskId = 0; taskId < numTasks; taskId++) {
        TTaskSpec spec = new TTaskSpec();
        spec.setTaskId(Integer.toString((new Random().nextInt())));
        spec.setMessage(message.array());
        if (numPreferredNodes > 0) {
            Collections.shuffle(backends);
            TPlacementPreference preference = new TPlacementPreference();
            for (int i = 0; i < numPreferredNodes; i++) {
                preference.addToNodes(backends.get(i));
            }/*from  w  w  w  . java  2s  .c o m*/
            spec.setPreference(preference);
        }
        out.add(spec);
    }
    return out;
}

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