Example usage for io.netty.buffer ByteBuf writeInt

List of usage examples for io.netty.buffer ByteBuf writeInt

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Introduction

In this page you can find the example usage for io.netty.buffer ByteBuf writeInt.

Prototype

public abstract ByteBuf writeInt(int value);

Source Link

Document

Sets the specified 32-bit integer at the current writerIndex and increases the writerIndex by 4 in this buffer.

Usage

From source file:com.github.spapageo.jannel.channel.ChannelBufferUtilsTest.java

License:Open Source License

@Test
public void testReadOctetStringToString_when_octet_string_size_is_positive_and_utf8_encoded_reads_string_correctly()
        throws Exception {

    byte[] stringBytes = STRING_TO_ENCODE.getBytes(StandardCharsets.UTF_8);
    ByteBuf encodedString = Unpooled.buffer(stringBytes.length + 4);
    encodedString.writeInt(stringBytes.length);
    encodedString.writeBytes(stringBytes);

    String decodedString = ChannelBufferUtils.readOctetStringToString(encodedString, StandardCharsets.UTF_8);

    assertEquals("Decoded string and encoded string are not the same", STRING_TO_ENCODE, decodedString);
    encodedString.release();//from www. ja  v a  2 s .co  m
}

From source file:com.github.spapageo.jannel.channel.ChannelBufferUtilsTest.java

License:Open Source License

@Test
public void testReadOctetStringToString_when_octet_string_size_is_positive_and_utf16_encoded_reads_string_correctly()
        throws Exception {

    byte[] stringBytes = STRING_TO_ENCODE.getBytes(StandardCharsets.UTF_16);
    ByteBuf encodedString = Unpooled.buffer(stringBytes.length + 4);
    encodedString.writeInt(stringBytes.length);
    encodedString.writeBytes(stringBytes);

    String decodedString = ChannelBufferUtils.readOctetStringToString(encodedString, StandardCharsets.UTF_16);

    assertEquals("Decoded string and encoded string are not the same", STRING_TO_ENCODE, decodedString);
    encodedString.release();/*  www.jav  a  2  s  . c  o m*/
}

From source file:com.github.spapageo.jannel.channel.ChannelBufferUtilsTest.java

License:Open Source License

@Test(expected = InvalidUUIDException.class)
public void testReadUUIDWhenInputIsAMalformedUUIDStringThrowsInvalidUUIDException() throws Exception {
    String UUIDString = UUID.randomUUID().toString().replace('-', '1');
    byte[] stringBytes = UUIDString.getBytes(StandardCharsets.UTF_16);
    ByteBuf encodedUUID = Unpooled.buffer(stringBytes.length + 4);
    encodedUUID.writeInt(stringBytes.length);
    encodedUUID.writeBytes(stringBytes);

    try {/* w  w w .j  a v  a 2s.c  o  m*/
        ChannelBufferUtils.readUUID(encodedUUID, StandardCharsets.UTF_16);
    } finally {
        encodedUUID.release();
    }
}

From source file:com.github.spapageo.jannel.channel.ChannelBufferUtilsTest.java

License:Open Source License

@Test
public void testReadUUIDWhenInputIsAValidUUIDItIsConvertedToTheSameUUID() throws Exception {
    UUID uuid = UUID.randomUUID();
    String UUIDString = uuid.toString();
    byte[] stringBytes = UUIDString.getBytes(StandardCharsets.UTF_16);
    ByteBuf encodedUUID = Unpooled.buffer(stringBytes.length + 4);
    encodedUUID.writeInt(stringBytes.length);
    encodedUUID.writeBytes(stringBytes);

    UUID readUUID = ChannelBufferUtils.readUUID(encodedUUID, StandardCharsets.UTF_16);

    assertEquals("Encoded and decoded UUIDs do not match", uuid, readUUID);
}

From source file:com.github.spapageo.jannel.channel.ChannelBufferUtilsTest.java

License:Open Source License

@Test
public void testReadOctetStringToBytesWhenOctetStringSizeIsPositiveReadsByteBufferCorrectly() throws Exception {

    byte[] bytesToTransfer = { 0x14, 0x13 };
    ByteBuf octetStringBytes = Unpooled.buffer(bytesToTransfer.length + 4);
    octetStringBytes.writeInt(bytesToTransfer.length);
    octetStringBytes.writeBytes(bytesToTransfer);

    ByteBuf readBytes = ChannelBufferUtils.readOctetStringToBytes(octetStringBytes);
    octetStringBytes.readerIndex(4);//ww w.  j  a  v  a 2  s.c om

    assertEquals("Read bytes and given bytes are not the same", octetStringBytes, readBytes);
    octetStringBytes.release();
    readBytes.release();
}

From source file:com.github.spapageo.jannel.channel.MessageDecoderTest.java

License:Open Source License

@Test
public void testDecodeReadsMessageTypeAndCallTranscoder() throws Exception {
    Transcoder transcoder = mock(DefaultTranscoder.class);

    MessageDecoder messageDecoder = new MessageDecoder(transcoder);

    Message msg = new Ack();
    ByteBuf byteBuf = Unpooled.buffer(4);
    byteBuf.writeInt(msg.getType().value());

    List<Object> output = new ArrayList<Object>();

    messageDecoder.decode(null, byteBuf, output);

    verify(transcoder).decode(MessageType.ACK, byteBuf);

    byteBuf.release();/*from   www  . j  a v  a  2  s . co m*/
}

From source file:com.github.spapageo.jannel.channel.MessageDecoderTest.java

License:Open Source License

@Test
public void testDecodeAddsDecodedMessageToOutputList() throws Exception {
    Transcoder transcoder = mock(DefaultTranscoder.class);

    MessageDecoder messageDecoder = new MessageDecoder(transcoder);

    Message msg = new Ack();
    ByteBuf byteBuf = Unpooled.buffer(4);
    byteBuf.writeInt(msg.getType().value());

    List<Object> output = new ArrayList<Object>();

    when(transcoder.decode(any(MessageType.class), any(ByteBuf.class))).thenReturn(msg);

    messageDecoder.decode(null, byteBuf, output);

    assertTrue("List doesn't contain the decoded message", output.contains(msg));

    byteBuf.release();//from w  w  w .  j  a va 2s .  c o  m
}

From source file:com.github.spapageo.jannel.channel.MessageEncoder.java

License:Open Source License

@Override
protected void encode(ChannelHandlerContext ctx, Message msg, ByteBuf out) throws Exception {
    out.writeInt(msg.getType().value());
    transcoder.encode(msg, out);//from ww w  .  jav a  2 s  .  c  om
}

From source file:com.github.spapageo.jannel.transcode.TranscoderHelper.java

License:Open Source License

void encodeDatagram(Datagram datagram, ByteBuf out) {
    ChannelBufferUtils.writeStringToOctetString(datagram.getSourceAddress(), out, Charsets.UTF_8);
    out.writeInt(datagram.getSourcePort());
    ChannelBufferUtils.writeStringToOctetString(datagram.getDestinationAddress(), out, Charsets.UTF_8);
    out.writeInt(datagram.getDestinationPort());
    ChannelBufferUtils.writeBytesToOctetString(datagram.getUserData(), out);
}

From source file:com.github.spapageo.jannel.transcode.TranscoderHelper.java

License:Open Source License

void encodeAck(Ack ack, ByteBuf out) {
    out.writeInt(ack.getResponse().value());
    out.writeInt(ack.getTime());// w  w  w.j ava 2 s  . c  om
    ChannelBufferUtils.writeStringToOctetString(ack.getId().toString(), out, Charsets.UTF_8);
}