Example usage for io.netty.buffer ByteBuf toString

Introduction

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

Prototype

public abstract String toString(Charset charset);

Source Link

Document

Decodes this buffer's readable bytes into a string with the specified character set name.

Usage

From source file:org.rzo.yajsw.controller.jvm.MessageDecoder.java

License:Apache License

@Override
protected void decode(ChannelHandlerContext paramChannelHandlerContext, ByteBuf b, List<Object> out)
        throws Exception {
    if (!b.isReadable())
        return;/* w w  w  . j a v  a2  s  . c  o  m*/
    byte code = b.readByte();
    b.writerIndex(b.writerIndex());
    String msg = b.toString(Charset.defaultCharset());
    Message result = new Message(code, msg);
    out.add(result);

}

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From source file:org.thingsboard.server.transport.mqtt.adaptors.JsonMqttAdaptor.java

License:Apache License

private static String validatePayload(UUID sessionId, ByteBuf payloadData) throws AdaptorException {
    try {//from   ww w . ja  va2  s. c  o  m
        String payload = payloadData.toString(UTF8);
        if (payload == null) {
            log.warn("[{}] Payload is empty!", sessionId);
            throw new AdaptorException(new IllegalArgumentException("Payload is empty!"));
        }
        return payload;
    } finally {
        payloadData.release();
    }
}

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From source file:org.tiger.netty.http.xml.codec.AbstractHttpXmlDecoder.java

License:Apache License

protected Object decode0(ChannelHandlerContext arg0, ByteBuf body) throws Exception {

    String content = body.toString(UTF_8);
    XStream xs = new XStream();
    xs.processAnnotations(Order.class);//Hotel.class
    Order result = (Order) xs.fromXML(content);

    /*factory = BindingDirectory.getFactory(clazz);
    if (isPrint)//from ww  w . jav  a  2s .c  o  m
        System.out.println("The body is : " + content);
    reader = new StringReader(content);
    IUnmarshallingContext uctx = factory.createUnmarshallingContext();
    Object result = uctx.unmarshalDocument(reader);
    reader.close();
    reader = null;*/
    return result;
}

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From source file:org.traccar.protocol.AtrackProtocolDecoder.java

License:Apache License

@Override
protected Object decode(Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {

    ByteBuf buf = (ByteBuf) msg;

    if (buf.getUnsignedShort(buf.readerIndex()) == 0xfe02) {
        if (channel != null) {
            channel.writeAndFlush(new NetworkMessage(buf.retain(), remoteAddress)); // keep-alive message
        }/* w w w .j  a  v a 2 s . co  m*/
        return null;
    } else if (buf.getByte(buf.readerIndex()) == '$') {
        return decodeInfo(channel, remoteAddress, buf.toString(StandardCharsets.US_ASCII).trim());
    } else if (buf.getByte(buf.readerIndex() + 2) == ',') {
        return decodeText(channel, remoteAddress, buf.toString(StandardCharsets.US_ASCII).trim());
    } else {
        return decodeBinary(channel, remoteAddress, buf);
    }
}

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From source file:org.traccar.protocol.CastelProtocolDecoder.java

License:Apache License

@Override
protected Object decode(Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {

    ByteBuf buf = (ByteBuf) msg;/*from   w w  w .ja  va  2 s. com*/

    int header = buf.readUnsignedShortLE();
    buf.readUnsignedShortLE(); // length

    int version = -1;
    if (header == 0x4040) {
        version = buf.readUnsignedByte();
    }

    ByteBuf id = buf.readSlice(20);
    short type = buf.readShort();

    DeviceSession deviceSession = getDeviceSession(channel, remoteAddress,
            id.toString(StandardCharsets.US_ASCII).trim());
    if (deviceSession == null) {
        return null;
    }

    switch (version) {
    case -1:
        return decodeMpip(channel, remoteAddress, buf, version, id, type, deviceSession);
    case 3:
    case 4:
        return decodeSc(channel, remoteAddress, buf, version, id, type, deviceSession);
    default:
        return decodeCc(channel, remoteAddress, buf, version, id, type, deviceSession);
    }
}

---

From source file:org.traccar.protocol.EelinkProtocolDecoder.java

License:Apache License

private Position decodeResult(DeviceSession deviceSession, ByteBuf buf, int index) {

    Position position = new Position(getProtocolName());
    position.setDeviceId(deviceSession.getDeviceId());

    position.set(Position.KEY_INDEX, index);

    buf.readUnsignedByte(); // type
    buf.readUnsignedInt(); // uid

    String sentence = buf.toString(StandardCharsets.UTF_8);

    Parser parser = new Parser(PATTERN, sentence);
    if (parser.matches()) {

        position.setValid(true);/*w ww. ja  v  a2  s  .  c o  m*/
        position.setLatitude(parser.nextCoordinate(Parser.CoordinateFormat.HEM_DEG));
        position.setLongitude(parser.nextCoordinate(Parser.CoordinateFormat.HEM_DEG));
        position.setCourse(parser.nextDouble());
        position.setSpeed(UnitsConverter.knotsFromKph(parser.nextDouble()));
        position.setTime(parser.nextDateTime());

    } else {

        getLastLocation(position, null);

        position.set(Position.KEY_RESULT, sentence);

    }

    return position;
}

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From source file:org.traccar.protocol.GranitProtocolDecoder.java

License:Apache License

@Override
protected Object decode(Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {

    ByteBuf buf = (ByteBuf) msg;

    int indexTilde = buf.indexOf(buf.readerIndex(), buf.writerIndex(), (byte) '~');

    DeviceSession deviceSession = getDeviceSession(channel, remoteAddress);

    if (deviceSession != null && indexTilde == -1) {
        String bufString = buf.toString(StandardCharsets.US_ASCII);
        Position position = new Position(getProtocolName());
        position.setDeviceId(deviceSession.getDeviceId());

        position.setTime(new Date());
        getLastLocation(position, new Date());
        position.setValid(false);//from  w w  w .j  ava  2  s .  c om
        position.set(Position.KEY_RESULT, bufString);
        return position;
    }

    if (buf.readableBytes() < HEADER_LENGTH) {
        return null;
    }
    String header = buf.readSlice(HEADER_LENGTH).toString(StandardCharsets.US_ASCII);

    if (header.equals("+RRCB~")) {

        buf.skipBytes(2); // binary length 26
        int deviceId = buf.readUnsignedShortLE();
        deviceSession = getDeviceSession(channel, remoteAddress, String.valueOf(deviceId));
        if (deviceSession == null) {
            return null;
        }
        long unixTime = buf.readUnsignedIntLE();
        if (channel != null) {
            sendResponseCurrent(channel, deviceId, unixTime);
        }
        Position position = new Position(getProtocolName());
        position.setDeviceId(deviceSession.getDeviceId());

        position.setTime(new Date(unixTime * 1000));

        decodeStructure(buf, position);
        return position;

    } else if (header.equals("+DDAT~")) {

        buf.skipBytes(2); // binary length
        int deviceId = buf.readUnsignedShortLE();
        deviceSession = getDeviceSession(channel, remoteAddress, String.valueOf(deviceId));
        if (deviceSession == null) {
            return null;
        }
        byte format = buf.readByte();
        if (format != 4) {
            return null;
        }
        byte nblocks = buf.readByte();
        int packNum = buf.readUnsignedShortLE();
        if (channel != null) {
            sendResponseArchive(channel, deviceId, packNum);
        }
        List<Position> positions = new ArrayList<>();
        while (nblocks > 0) {
            nblocks--;
            long unixTime = buf.readUnsignedIntLE();
            int timeIncrement = buf.getUnsignedShortLE(buf.readerIndex() + 120);
            for (int i = 0; i < 6; i++) {
                if (buf.getUnsignedByte(buf.readerIndex()) != 0xFE) {
                    Position position = new Position(getProtocolName());
                    position.setDeviceId(deviceSession.getDeviceId());
                    position.setTime(new Date((unixTime + i * timeIncrement) * 1000));
                    decodeStructure(buf, position);
                    position.set(Position.KEY_ARCHIVE, true);
                    positions.add(position);
                } else {
                    buf.skipBytes(20); // skip filled 0xFE structure
                }
            }
            buf.skipBytes(2); // increment
        }
        return positions;

    }

    return null;
}

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From source file:org.traccar.protocol.Jt600ProtocolDecoder.java

License:Apache License

@Override
protected Object decode(Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {

    ByteBuf buf = (ByteBuf) msg;
    char first = (char) buf.getByte(0);

    if (first == '$') {
        return decodeBinary(buf, channel, remoteAddress);
    } else if (first == '(') {
        String sentence = buf.toString(StandardCharsets.US_ASCII);
        if (sentence.contains("W01")) {
            return decodeW01(sentence, channel, remoteAddress);
        } else {//from  ww w .  java2s.c  om
            return decodeU01(sentence, channel, remoteAddress);
        }
    }

    return null;
}

---

From source file:org.traccar.protocol.MeitrackProtocolDecoder.java

License:Apache License

private Position decodeRegular(Channel channel, SocketAddress remoteAddress, ByteBuf buf) {

    Parser parser = new Parser(PATTERN, buf.toString(StandardCharsets.US_ASCII));
    if (!parser.matches()) {
        return null;
    }//from w w  w  . j  a v  a 2s  . c om

    Position position = new Position(getProtocolName());

    DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, parser.next());
    if (deviceSession == null) {
        return null;
    }
    position.setDeviceId(deviceSession.getDeviceId());

    int event = parser.nextInt(0);
    position.set(Position.KEY_EVENT, event);
    position.set(Position.KEY_ALARM, decodeAlarm(event));

    position.setLatitude(parser.nextDouble(0));
    position.setLongitude(parser.nextDouble(0));

    position.setTime(parser.nextDateTime());

    position.setValid(parser.next().equals("A"));

    position.set(Position.KEY_SATELLITES, parser.nextInt());
    int rssi = parser.nextInt(0);

    position.setSpeed(UnitsConverter.knotsFromKph(parser.nextDouble(0)));
    position.setCourse(parser.nextDouble(0));

    position.set(Position.KEY_HDOP, parser.nextDouble());

    position.setAltitude(parser.nextDouble(0));

    position.set(Position.KEY_ODOMETER, parser.nextInt(0));
    position.set("runtime", parser.next());

    position.setNetwork(new Network(CellTower.from(parser.nextInt(0), parser.nextInt(0), parser.nextHexInt(0),
            parser.nextHexInt(0), rssi)));

    position.set(Position.KEY_STATUS, parser.next());

    for (int i = 1; i <= 3; i++) {
        if (parser.hasNext()) {
            position.set(Position.PREFIX_ADC + i, parser.nextHexInt(0));
        }
    }

    String deviceModel = Context.getIdentityManager().getById(deviceSession.getDeviceId()).getModel();
    if (deviceModel == null) {
        deviceModel = "";
    }
    switch (deviceModel.toUpperCase()) {
    case "MVT340":
    case "MVT380":
        position.set(Position.KEY_BATTERY, parser.nextHexInt(0) * 3.0 * 2.0 / 1024.0);
        position.set(Position.KEY_POWER, parser.nextHexInt(0) * 3.0 * 16.0 / 1024.0);
        break;
    case "MT90":
        position.set(Position.KEY_BATTERY, parser.nextHexInt(0) * 3.3 * 2.0 / 4096.0);
        position.set(Position.KEY_POWER, parser.nextHexInt(0));
        break;
    case "T1":
    case "T3":
    case "MVT100":
    case "MVT600":
    case "MVT800":
    case "TC68":
    case "TC68S":
        position.set(Position.KEY_BATTERY, parser.nextHexInt(0) * 3.3 * 2.0 / 4096.0);
        position.set(Position.KEY_POWER, parser.nextHexInt(0) * 3.3 * 16.0 / 4096.0);
        break;
    case "T311":
    case "T322X":
    case "T333":
    case "T355":
        position.set(Position.KEY_BATTERY, parser.nextHexInt(0) / 100.0);
        position.set(Position.KEY_POWER, parser.nextHexInt(0) / 100.0);
        break;
    default:
        position.set(Position.KEY_BATTERY, parser.nextHexInt(0));
        position.set(Position.KEY_POWER, parser.nextHexInt(0));
        break;
    }

    String eventData = parser.next();
    if (eventData != null && !eventData.isEmpty()) {
        switch (event) {
        case 37:
            position.set(Position.KEY_DRIVER_UNIQUE_ID, eventData);
            break;
        default:
            position.set("eventData", eventData);
            break;
        }
    }

    int protocol = parser.nextInt(0);

    if (parser.hasNext()) {
        String fuel = parser.next();
        position.set(Position.KEY_FUEL_LEVEL,
                Integer.parseInt(fuel.substring(0, 2), 16) + Integer.parseInt(fuel.substring(2), 16) * 0.01);
    }

    if (parser.hasNext()) {
        for (String temp : parser.next().split("\\|")) {
            int index = Integer.parseInt(temp.substring(0, 2), 16);
            if (protocol >= 3) {
                double value = (short) Integer.parseInt(temp.substring(2), 16);
                position.set(Position.PREFIX_TEMP + index, value * 0.01);
            } else {
                double value = Byte.parseByte(temp.substring(2, 4), 16);
                value += (value < 0 ? -0.01 : 0.01) * Integer.parseInt(temp.substring(4), 16);
                position.set(Position.PREFIX_TEMP + index, value);
            }
        }
    }

    if (parser.hasNext(2)) {
        parser.nextInt(); // count
        decodeDataFields(position, parser.next().split(","));
    }

    return position;
}

---

From source file:org.traccar.protocol.NavisProtocolDecoder.java

License:Apache License

private Object processHandshake(Channel channel, SocketAddress remoteAddress, ByteBuf buf) {
    buf.readByte(); // colon
    if (getDeviceSession(channel, remoteAddress, buf.toString(StandardCharsets.US_ASCII)) != null) {
        sendNtcbReply(channel, Unpooled.copiedBuffer("*<S", StandardCharsets.US_ASCII));
    }//from  www  . j  a  v a2  s . c o  m
    return null;
}

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