How to use

writePosition

method

in

org.springframework.core.io.buffer.DefaultDataBuffer

static DefaultDataBuffer fromFilledByteBuffer(DefaultDataBufferFactory dataBufferFactory, ByteBuffer byteBuffer) {
  DefaultDataBuffer dataBuffer = new DefaultDataBuffer(dataBufferFactory, byteBuffer);
  dataBuffer.writePosition(byteBuffer.remaining());
  return dataBuffer;
}

static DefaultDataBuffer fromFilledByteBuffer(DefaultDataBufferFactory dataBufferFactory, ByteBuffer byteBuffer) {
  DefaultDataBuffer dataBuffer = new DefaultDataBuffer(dataBufferFactory, byteBuffer);
  dataBuffer.writePosition(byteBuffer.remaining());
  return dataBuffer;
}

int writePosition = writePosition();
int oldCapacity = capacity();
    if (writePosition > newCapacity) {
      writePosition = newCapacity;
      writePosition(writePosition);
    writePosition(newCapacity);

int writePosition = writePosition();
int oldCapacity = capacity();
    if (writePosition > newCapacity) {
      writePosition = newCapacity;
      writePosition(writePosition);
    writePosition(newCapacity);

static DefaultDataBuffer fromFilledByteBuffer(DefaultDataBufferFactory dataBufferFactory, ByteBuffer byteBuffer) {
  DefaultDataBuffer dataBuffer = new DefaultDataBuffer(dataBufferFactory, byteBuffer);
  dataBuffer.writePosition(byteBuffer.remaining());
  return dataBuffer;
}

static DefaultDataBuffer fromFilledByteBuffer(DefaultDataBufferFactory dataBufferFactory, ByteBuffer byteBuffer) {
  DefaultDataBuffer dataBuffer = new DefaultDataBuffer(dataBufferFactory, byteBuffer);
  dataBuffer.writePosition(byteBuffer.remaining());
  return dataBuffer;
}

int writePosition = writePosition();
int oldCapacity = capacity();
    if (writePosition > newCapacity) {
      writePosition = newCapacity;
      writePosition(writePosition);
    writePosition(newCapacity);

int writePosition = writePosition();
int oldCapacity = capacity();
    if (writePosition > newCapacity) {
      writePosition = newCapacity;
      writePosition(writePosition);
    writePosition(newCapacity);