Example usage for io.netty.buffer ByteBuf forEachByte

Introduction

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

Prototype

public abstract int forEachByte(ByteProcessor processor);

Source Link

Document

Iterates over the readable bytes of this buffer with the specified processor in ascending order.

Usage

From source file:io.reactivex.netty.protocol.http.sse.ServerSentEventDecoder.java

License:Apache License

protected static boolean skipTillMatching(ByteBuf byteBuf, ByteBufProcessor processor) {
    final int lastIndexProcessed = byteBuf.forEachByte(processor);
    if (-1 == lastIndexProcessed) {
        byteBuf.readerIndex(byteBuf.readerIndex() + byteBuf.readableBytes()); // If all the remaining bytes are to be ignored, discard the buffer.
    } else {//  w  w w.j  a  v  a  2s .c  o  m
        byteBuf.readerIndex(lastIndexProcessed);
    }

    return -1 != lastIndexProcessed;
}

---

From source file:io.reactivex.netty.protocol.http.sse.ServerSentEventEncoder.java

License:Apache License

@Override
protected void encode(ChannelHandlerContext ctx, ServerSentEvent serverSentEvent, ByteBuf out)
        throws Exception {
    if (serverSentEvent.hasEventType()) { // Write event type, if available
        out.writeBytes(EVENT_PREFIX_BYTES);
        out.writeBytes(serverSentEvent.getEventType());
        out.writeBytes(NEW_LINE_AS_BYTES);
    }//from  w w w .  j  ava 2  s .c  o m

    if (serverSentEvent.hasEventId()) { // Write event id, if available
        out.writeBytes(ID_PREFIX_AS_BYTES);
        out.writeBytes(serverSentEvent.getEventId());
        out.writeBytes(NEW_LINE_AS_BYTES);
    }

    final ByteBuf content = serverSentEvent.content();

    if (splitSseData) {
        while (content.isReadable()) { // Scan the buffer and split on new line into multiple data lines.
            final int readerIndexAtStart = content.readerIndex();
            int newLineIndex = content.forEachByte(new ByteBufProcessor() {
                @Override
                public boolean process(byte value) throws Exception {
                    return (char) value != '\n';
                }
            });
            if (-1 == newLineIndex) { // No new line, write the buffer as is.
                out.writeBytes(DATA_PREFIX_AS_BYTES);
                out.writeBytes(content);
                out.writeBytes(NEW_LINE_AS_BYTES);
            } else { // Write the buffer till the new line and then iterate this loop
                out.writeBytes(DATA_PREFIX_AS_BYTES);
                out.writeBytes(content, newLineIndex - readerIndexAtStart);
                content.readerIndex(content.readerIndex() + 1);
                out.writeBytes(NEW_LINE_AS_BYTES);
            }
        }
    } else { // write the buffer with data prefix and new line post fix.
        out.writeBytes(DATA_PREFIX_AS_BYTES);
        out.writeBytes(content);
        out.writeBytes(NEW_LINE_AS_BYTES);
    }
}

---

From source file:io.scalecube.socketio.serialization.PacketDecoder.java

License:Apache License

public static Packet decodePacket(final ByteBuf payload) throws IOException {
    int payloadSize = payload.readableBytes();

    // Decode packet type
    int typeDelimiterIndex = payload.forEachByte(packetDelimiterFinder);
    if (typeDelimiterIndex == -1) {
        return Packet.NULL_INSTANCE;
    }/*from  w  w  w.  ja  v  a  2 s. co m*/
    ByteBuf typeBytes = payload.slice(0, typeDelimiterIndex);
    String typeString = typeBytes.toString(CharsetUtil.UTF_8);
    int typeId = Integer.valueOf(typeString);
    PacketType type = PacketType.valueOf(typeId);

    // Skip message id
    int messageIdDelimiterIndex = payload.forEachByte(typeDelimiterIndex + 1,
            payloadSize - typeDelimiterIndex - 1, packetDelimiterFinder);
    if (messageIdDelimiterIndex == -1) {
        return Packet.NULL_INSTANCE;
    }

    // Skip endpoint
    int endpointDelimiterIndex = payload.forEachByte(messageIdDelimiterIndex + 1,
            payloadSize - messageIdDelimiterIndex - 1, packetDelimiterFinder);

    // Create instance of packet
    Packet packet = new Packet(type);

    // Decode data
    boolean messagingType = type == PacketType.MESSAGE || type == PacketType.JSON;
    if (endpointDelimiterIndex != -1 && messagingType) {
        int dataLength = payloadSize - endpointDelimiterIndex - 1;
        if (dataLength > 0) {
            ByteBuf data = payload.copy(endpointDelimiterIndex + 1, dataLength);
            packet.setData(data);
        }
    }

    return packet;
}

---

From source file:jj.repl.telnet.TelnetConnectionHandler.java

License:Apache License

private void dumpBuffer(String message, ByteBuf buffer) {
    System.out.println(message);/*  ww w . ja v a2s.  c o  m*/
    buffer.forEachByte(new ByteBufProcessor() {

        @Override
        public boolean process(byte value) throws Exception {
            // TODO Auto-generated method stub
            System.out.print(Integer.toHexString(((int) value) & 255));
            System.out.print(" ");
            return true;
        }
    });
    System.out.println(); // and linebreak
}

---

From source file:org.asynchttpclient.netty.util.UsAsciiByteBufDecoder.java

License:Open Source License

public String decode(Iterable<ByteBuf> bufs) {
    for (ByteBuf buf : bufs) {
        buf.forEachByte(b -> {
            sb.append((char) b);
            return true;
        });/*from   ww  w  .  j a va2 s  .  c om*/
    }
    return sb.toString();
}

---

From source file:org.asynchttpclient.netty.util.Utf8ByteBufDecoder.java

License:Open Source License

public String decode(Iterable<ByteBuf> bufs) throws CharacterCodingException {

    for (ByteBuf buf : bufs) {
        buf.forEachByte(value -> {
            write(value);/*w w w  .j a va 2 s . c  om*/
            return true;
        });
    }

    if (state == UTF8_ACCEPT) {
        return sb.toString();
    } else {
        throw new CharacterCodingException();
    }
}

---

From source file:org.codice.alliance.video.stream.mpegts.netty.StartCodeTest.java

License:Open Source License

@Test
public void testBasicCase() {
    ByteBuf byteBuf = Unpooled.wrappedBuffer(new byte[] { 0x00, 0x00, 0x01, 0x42 });

    int position = byteBuf.forEachByte(startCode);

    assertThat(position, is(3));//from  w w  w.  j av  a 2s.  c om

}

---

From source file:org.codice.alliance.video.stream.mpegts.netty.StartCodeTest.java

License:Open Source License

@Test
public void testExtraLeadingZeroes() {
    ByteBuf byteBuf = Unpooled.wrappedBuffer(new byte[] { 0x00, 0x00, 0x00, 0x00, 0x01, 0x42 });

    int position = byteBuf.forEachByte(startCode);

    assertThat(position, is(5));/*from   w ww. java  2  s  . com*/

}

---

From source file:org.codice.alliance.video.stream.mpegts.netty.StartCodeTest.java

License:Open Source License

@Test
public void testVariousLeadingBytes() {
    ByteBuf byteBuf = Unpooled.wrappedBuffer(new byte[] { 0x04, 0x05, 0x00, 0x00, 0x01, 0x42 });

    int position = byteBuf.forEachByte(startCode);

    assertThat(position, is(5));//  www  .j  a  v  a 2 s .  c  o  m

}

---

From source file:org.codice.alliance.video.stream.mpegts.netty.StartCodeTest.java

License:Open Source License

@Test
public void testCodeDoesntExist() {
    ByteBuf byteBuf = Unpooled.wrappedBuffer(new byte[] { 0x04, 0x05, 0x02, 0x00, 0x01, 0x42 });

    int position = byteBuf.forEachByte(startCode);

    assertThat(position, is(-1));// ww  w. j  av a2s . c o  m

}

---

• «
• 1
• 2
• 3
• 4
• 5
• »