Example usage for io.netty.buffer Unpooled buffer

Introduction

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

Prototype

public static ByteBuf buffer(int initialCapacity)

Source Link

Document

Creates a new big-endian Java heap buffer with the specified capacity , which expands its capacity boundlessly on demand.

Usage

From source file:com.lambdaworks.redis.codec.StringCodecTest.java

License:Apache License

@Test
public void encodeAndDecodeUtf8Buf() throws Exception {

    StringCodec codec = new StringCodec(LettuceCharsets.UTF8);

    ByteBuf buffer = Unpooled.buffer(1234);
    codec.encodeKey(teststring, buffer);

    assertThat(codec.decodeKey(buffer.nioBuffer())).isEqualTo(teststring);
}

From source file:com.lambdaworks.redis.codec.StringCodecTest.java

License:Apache License

@Test
public void encodeAndDecodeAsciiBuf() throws Exception {

    StringCodec codec = new StringCodec(LettuceCharsets.ASCII);

    ByteBuf buffer = Unpooled.buffer(1234);
    codec.encode(teststringPlain, buffer);

    assertThat(codec.decodeKey(buffer.nioBuffer())).isEqualTo(teststringPlain);
}

From source file:com.lambdaworks.redis.codec.StringCodecTest.java

License:Apache License

@Test
public void encodeAndDecodeIso88591Buf() throws Exception {

    StringCodec codec = new StringCodec(StandardCharsets.ISO_8859_1);

    ByteBuf buffer = Unpooled.buffer(1234);
    codec.encode(teststringPlain, buffer);

    assertThat(codec.decodeKey(buffer.nioBuffer())).isEqualTo(teststringPlain);
}

From source file:com.linecorp.armeria.client.http.SimpleHttpClientCodecTest.java

License:Apache License

@Test
public void decodeResponseNoBody() throws Exception {
    FullHttpResponse fullHttpResponse = new DefaultFullHttpResponse(HttpVersion.HTTP_1_1,
            HttpResponseStatus.OK);/*from  ww w .j  av a 2  s .  co  m*/
    fullHttpResponse.headers().set(HttpHeaderNames.CACHE_CONTROL, "nevercache");
    SimpleHttpResponse response = codec.decodeResponse(context, Unpooled.buffer(0), fullHttpResponse);
    assertEquals(HttpResponseStatus.OK, response.status());
    assertEquals("nevercache", response.headers().get(HttpHeaderNames.CACHE_CONTROL));
    assertEquals(0, response.content().length);
}

From source file:com.mapr.franz.netty.FranzClientHandler.java

License:Apache License

/**
 * Creates a client-side handler./*from   w ww  . ja  v a2  s  .  co  m*/
 */
public FranzClientHandler(int firstMessageSize) {
    if (firstMessageSize <= 0) {
        throw new IllegalArgumentException("firstMessageSize: " + firstMessageSize);
    }
    firstMessage = Unpooled.buffer(firstMessageSize);
    for (int i = 0; i < firstMessage.capacity(); i++) {
        firstMessage.writeByte((byte) i);
    }
}

From source file:com.mikesilversides.mod1.ServerTest.EchoClientHandler.java

License:Apache License

/**
 * Creates a client-side handler./*from w  w  w  .  jav  a2s  .c om*/
 */
public EchoClientHandler() {
    firstMessage = Unpooled.buffer(EchoClient.SIZE);
    //        for (int i = 0; i < firstMessage.capacity(); i ++) {
    //            firstMessage.writeByte((byte) i);
    //            
    //        }
    String s = new String("Echo test string");
    ByteBufUtils.writeUTF8String(firstMessage, s);
    System.out.println("msg to send = " + s);
}

From source file:com.mikesilversides.mod1.ServerTest.StubClientHandler.java

License:Apache License

/**
 * Creates a client-side handler.//w  w w.j a  v  a  2  s .co  m
 */
public StubClientHandler(EntityPlayer player) {
    stubClientPlayer = player;
    firstMessage = Unpooled.buffer(EchoClient.SIZE);
    firstMessage.writeByte(1); // 1=start
}

From source file:com.mobius.software.android.iotbroker.mqtt.parser.MQParser.java

License:Open Source License

public static ByteBuf next(ByteBuf buf) throws MalformedMessageException {
    buf.markReaderIndex();//from ww  w.java2s.  co m
    MessageType type = MessageType.valueOf(((buf.readByte() >> 4) & 0xf));

    switch (type) {
    case PINGREQ:
    case PINGRESP:
    case DISCONNECT:
        buf.resetReaderIndex();
        return Unpooled.buffer(2);
    default:
        LengthDetails length = decodeLength(buf);
        buf.resetReaderIndex();
        if (length.getLength() == 0)
            return null;
        int result = length.getLength() + length.getSize() + 1;
        return result <= buf.readableBytes() ? Unpooled.buffer(result) : null;
    }
}

From source file:com.mobius.software.android.iotbroker.mqtt.parser.MQParser.java

License:Open Source License

private static ByteBuf getBuffer(final int length) throws MalformedMessageException {
    byte[] lengthBytes;

    if (length <= 127)
        lengthBytes = new byte[1];
    else if (length <= 16383)
        lengthBytes = new byte[2];
    else if (length <= 2097151)
        lengthBytes = new byte[3];
    else if (length <= 26843545)
        lengthBytes = new byte[4];
    else/*from   www.  j  av  a 2  s .  c  o m*/
        throw new MalformedMessageException("header length exceeds maximum of 26843545 bytes");

    byte encByte;
    int pos = 0, l = length;
    do {
        encByte = (byte) (l % 128);
        l /= 128;
        if (l > 0)
            lengthBytes[pos++] = (byte) (encByte | 128);
        else
            lengthBytes[pos++] = encByte;
    } while (l > 0);

    int bufferSize = 1 + lengthBytes.length + length;
    ByteBuf buf = Unpooled.buffer(bufferSize);

    buf.writeByte(0);
    buf.writeBytes(lengthBytes);

    return buf;
}

From source file:com.mobius.software.mqtt.parser.MQParser.java

License:Open Source License

public static ByteBuf next(ByteBuf buf, int maxMessageSize) throws MalformedMessageException {
    buf.markReaderIndex();/*from w w w.j av a  2 s  .  c  om*/
    MessageType type = MessageType.valueOf(((buf.readByte() >> 4) & 0xf));

    if (type == null) {
        buf.resetReaderIndex();
        throw new MalformedMessageException("invalid message type decoding");
    }

    switch (type) {
    case PINGREQ:
    case PINGRESP:
    case DISCONNECT:
        buf.resetReaderIndex();
        return Unpooled.buffer(2);
    default:
        LengthDetails length = LengthDetails.decode(buf);
        buf.resetReaderIndex();
        if (length.getLength() == 0)
            return null;
        int result = length.getLength() + length.getSize() + 1;
        if (result > buf.readableBytes())
            throw new MalformedMessageException("invalid length decoding for " + type + " result length:"
                    + result + ", in buffer:" + buf.readableBytes());
        if (result > maxMessageSize)
            throw new MalformedMessageException("message length exceeds limit " + maxMessageSize);
        return Unpooled.buffer(result);
    }
}