Example usage for java.nio ByteBuffer rewind

Introduction

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

Prototype

public final Buffer rewind()

Source Link

Document

Rewinds this buffer.

Usage

From source file:com.hazelcast.simulator.probes.probes.impl.HdrLatencyDistributionResult.java

@Override
public void writeTo(XMLStreamWriter writer) {
    Histogram tmp = histogram.copy();/*from ww  w  .  j  av  a2  s .  c  om*/
    int size = tmp.getNeededByteBufferCapacity();
    ByteBuffer byteBuffer = ByteBuffer.allocate(size);
    int bytesWritten = tmp.encodeIntoCompressedByteBuffer(byteBuffer);
    byteBuffer.rewind();
    byteBuffer.limit(bytesWritten);
    String encodedData = Base64.encodeBase64String(byteBuffer.array());
    try {
        writer.writeStartElement(ProbesResultXmlElements.HDR_LATENCY_DATA.getName());
        writer.writeCData(encodedData);
        writer.writeEndElement();
    } catch (XMLStreamException e) {
        throw new RuntimeException(e);
    }
}

From source file:org.colombbus.tangara.io.ScriptReader.java

private String extractScriptWithHeader(ByteBuffer content) throws UnsupportedEncodingException {
     content.rewind();

     ScriptHeader header = ScriptHeaderHelper.extractHeader(content);
     lastScriptCharset = header.getCharset();

     String script = extractScriptWithCharset(content, header.getCharset());
     return script;
 }

From source file:org.ros.internal.message.new_style.MessageLoader.java

private void addMessageDefinitionFromPaths(File searchPath, File messagePath, CharsetDecoder decoder)
        throws IOException {
    FileInputStream inputStream = new FileInputStream(messagePath);
    FileChannel channel = inputStream.getChannel();
    ByteBuffer buffer = ByteBuffer.allocate((int) channel.size());
    channel.read(buffer);// w  w w.j  a v  a2 s .  c om
    buffer.rewind();
    decoder.reset();
    String definition = decoder.decode(buffer).toString().trim();
    messageDefinitions.put(pathToMessageName(searchPath, messagePath), definition);
    channel.close();
    inputStream.close();
}

From source file:org.openteufel.file.mpq.MPQFileSector.java

public ByteBuffer getDecompressed() throws DataFormatException, IOException {
    ByteBuffer ret = ByteBuffer.allocate(sizeUncompressed);
    getDecompressed(ret);/*ww  w .  j  a v  a 2s  . c o  m*/
    ret.rewind();
    return ret;
}

From source file:com.smartitengineering.util.simple.io.BufferedInputStream.java

protected ByteBuffer nextBuffer() {
    if (currentBuffer == null) {
        return null;
    }//www .java  2  s. c  o m
    Iterator<ByteBuffer> bufferIterator = buffers.keySet().iterator();
    while (bufferIterator.hasNext()) {
        ByteBuffer buffer = bufferIterator.next();
        if (buffer == currentBuffer) {
            if (bufferIterator.hasNext()) {
                final ByteBuffer next = bufferIterator.next();
                next.rewind();
                return next;
            } else {
                return null;
            }
        }
    }
    return null;
}

From source file:com.eventsourcing.hlc.HybridTimestampTest.java

@Test
@SneakyThrows//from w  ww.  jav a 2  s  .c om
public void layout() {
    Layout<HybridTimestamp> layout = Layout.forClass(HybridTimestamp.class);
    List<Property<HybridTimestamp>> properties = layout.getProperties();
    assertEquals(properties.size(), 2);
    assertTrue(properties.stream().anyMatch(p -> p.getName().contentEquals("logicalTime")));
    assertTrue(properties.stream().anyMatch(p -> p.getName().contentEquals("logicalCounter")));

    HybridTimestamp timestamp = new HybridTimestamp(physicalTimeProvider);
    timestamp.update();

    BinarySerialization serialization = BinarySerialization.getInstance();

    ObjectSerializer<HybridTimestamp> serializer = serialization.getSerializer(HybridTimestamp.class);
    ObjectDeserializer<HybridTimestamp> deserializer = serialization.getDeserializer(HybridTimestamp.class);

    ByteBuffer buffer = serializer.serialize(timestamp);
    buffer.rewind();

    HybridTimestamp timestamp1 = deserializer.deserialize(buffer);

    assertEquals(timestamp1.compareTo(timestamp), 0);
}

From source file:org.docx4j.openpackaging.parts.WordprocessingML.BinaryPart.java

public byte[] getBytes() {

    ByteBuffer bb = this.getBuffer();
    bb.rewind();

    byte[] bytes = new byte[bb.limit()];
    bb.get(bytes, 0, bytes.length);/*from w  w w.j a va  2  s  . c  o  m*/
    bb.rewind();

    return bytes;
}

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

private ByteBuffer getByteBuffer(byte[] bytes) {
    ByteBuffer bb = ByteBuffer.allocate(bytes.length);
    bb.put(bytes);/*from  ww w . j  a v  a 2 s.com*/
    bb.rewind();
    return bb;
}

From source file:FindInt.java

public int seek() throws IOException {
    int num = -1;

    try (SeekableByteChannel fc = Files.newByteChannel(file)) {

        ByteBuffer buf = ByteBuffer.allocate(8);

        //Get the offset into the file.
        fc.read(buf);//from  w  w  w.  j a v  a 2  s  . c  o  m
        long offset = buf.getLong(0);

        //Seek to the offset location.
        fc.position(offset);
        buf.rewind();

        //Read the 'secret' value.
        fc.read(buf);
        num = buf.getInt(0);
    } catch (IOException x) {
        System.err.println(x);
    }
    return num;
}

From source file:org.docx4j.openpackaging.parts.WordprocessingML.BinaryPart.java

/**
 * Copy the ByteBuffer containing this part's binary data
 * to an output stream.//from   w  ww.j  av  a2  s.c om
 * 
 * @param out
 * @throws IOException
 */
public void writeDataToOutputStream(OutputStream out) throws IOException {

    ByteBuffer buf = this.getBuffer();
    buf.rewind();

    // Fix for https://github.com/plutext/docx4j/issues/80
    // from http://stackoverflow.com/questions/579600/how-to-put-the-content-of-a-bytebuffer-into-an-outputstream
    WritableByteChannel channel = Channels.newChannel(out);
    channel.write(buf);
    buf.rewind();

}