Package com.alibaba.dubbo.common.serialize

Examples of com.alibaba.dubbo.common.serialize.Serialization

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public abstract class AbstractCodec implements Codec {
 
  private final Logger logger = LoggerFactory.getLogger(getClass());

    protected Serialization getSerialization(Channel channel) {
        Serialization serialization = ExtensionLoader.getExtensionLoader(Serialization.class).getExtension(channel.getUrl().getParameter(Constants.SERIALIZATION_KEY, Constants.DEFAULT_REMOTING_SERIALIZATION));
        return serialization;
    }
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        if( readable != tt )
            is = StreamUtils.limitedInputStream(is, len);

        try {
          byte flag = header[2], proto = (byte)( flag & SERIALIZATION_MASK );
          Serialization s = getSerializationById(proto);
          if (s == null) {
              s = getSerialization(channel);
          }
          ObjectInput in = s.deserialize(channel.getUrl(), is);
          // get request id.
          long id = Bytes.bytes2long(header, 4);
          if( ( flag & FLAG_REQUEST ) == 0 ) {
              // decode response.
              Response res = new Response(id);
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            return null;
        return req.getData();
    }

    protected void encodeRequest(Channel channel, OutputStream os, Request req) throws IOException {
        Serialization serialization = getSerialization(channel);
        // header.
        byte[] header = new byte[HEADER_LENGTH];
        // set magic number.
        Bytes.short2bytes(MAGIC, header);

        // set request and serialization flag.
        header[2] = (byte) (FLAG_REQUEST | serialization.getContentTypeId());

        if (req.isTwoWay()) header[2] |= FLAG_TWOWAY;
        if (req.isEvent()) header[2] |= FLAG_EVENT;

        // set request id.
        Bytes.long2bytes(req.getId(), header, 4);

        // encode request data.
        UnsafeByteArrayOutputStream bos = new UnsafeByteArrayOutputStream(1024);
        ObjectOutput out = serialization.serialize(channel.getUrl(), bos);
        if (req.isEvent()) {
            encodeEventData(channel, out, req.getData());
        } else {
            encodeRequestData(channel, out, req.getData());
        }
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        os.write(data); // write data.
    }

    protected void encodeResponse(Channel channel, OutputStream os, Response res) throws IOException {
        try {
            Serialization serialization = getSerialization(channel);
            // header.
            byte[] header = new byte[HEADER_LENGTH];
            // set magic number.
            Bytes.short2bytes(MAGIC, header);
            // set request and serialization flag.
            header[2] = serialization.getContentTypeId();
            if (res.isHeartbeat()) header[2] |= FLAG_EVENT;
            // set response status.
            byte status = res.getStatus();
            header[3] = status;
            // set request id.
            Bytes.long2bytes(res.getId(), header, 4);
   
            UnsafeByteArrayOutputStream bos = new UnsafeByteArrayOutputStream(1024);
            ObjectOutput out = serialization.serialize(channel.getUrl(), bos);
            // encode response data or error message.
            if (status == Response.OK) {
                if (res.isHeartbeat()) {
                    encodeHeartbeatData(channel, out, res.getResult());
                } else {
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        }
    }

    protected Object decodeBody(Channel channel, InputStream is, byte[] header) throws IOException {
        byte flag = header[2], proto = (byte) (flag & SERIALIZATION_MASK);
        Serialization s = CodecSupport.getSerialization(channel.getUrl(), proto);
        ObjectInput in = s.deserialize(channel.getUrl(), is);
        // get request id.
        long id = Bytes.bytes2long(header, 4);
        if ((flag & FLAG_REQUEST) == 0) {
            // decode response.
            Response res = new Response(id);
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            return null;
        return req.getData();
    }

    protected void encodeRequest(Channel channel, OutputStream os, Request req) throws IOException {
        Serialization serialization = getSerialization(channel);
        // header.
        byte[] header = new byte[HEADER_LENGTH];
        // set magic number.
        Bytes.short2bytes(MAGIC, header);

        // set request and serialization flag.
        header[2] = (byte) (FLAG_REQUEST | serialization.getContentTypeId());

        if (req.isTwoWay()) header[2] |= FLAG_TWOWAY;
        if (req.isEvent()) header[2] |= FLAG_EVENT;

        // set request id.
        Bytes.long2bytes(req.getId(), header, 4);

        // encode request data.
        UnsafeByteArrayOutputStream bos = new UnsafeByteArrayOutputStream(1024);
        ObjectOutput out = serialization.serialize(channel.getUrl(), bos);
        if (req.isEvent()) {
            encodeEventData(channel, out, req.getData());
        } else {
            encodeRequestData(channel, out, req.getData());
        }
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        os.write(data); // write data.
    }

    protected void encodeResponse(Channel channel, OutputStream os, Response res) throws IOException {
        try {
            Serialization serialization = getSerialization(channel);
            // header.
            byte[] header = new byte[HEADER_LENGTH];
            // set magic number.
            Bytes.short2bytes(MAGIC, header);
            // set request and serialization flag.
            header[2] = serialization.getContentTypeId();
            if (res.isHeartbeat()) header[2] |= FLAG_EVENT;
            // set response status.
            byte status = res.getStatus();
            header[3] = status;
            // set request id.
            Bytes.long2bytes(res.getId(), header, 4);
   
            UnsafeByteArrayOutputStream bos = new UnsafeByteArrayOutputStream(1024);
            ObjectOutput out = serialization.serialize(channel.getUrl(), bos);
            // encode response data or error message.
            if (status == Response.OK) {
                if (res.isHeartbeat()) {
                    encodeHeartbeatData(channel, out, res.getResult());
                } else {
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        if( readable != tt )
            is = StreamUtils.limitedInputStream(is, len);

        try {
          byte flag = header[2], proto = (byte)( flag & SERIALIZATION_MASK );
          Serialization s = getSerializationById(proto);
          if (s == null) {
              s = getSerialization(channel);
          }
          ObjectInput in = s.deserialize(channel.getUrl(), is);
          // get request id.
          long id = Bytes.bytes2long(header, 4);
          if( ( flag & FLAG_REQUEST ) == 0 ) {
              // decode response.
              Response res = new Response(id);
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            return null;
        return req.getData();
    }

    protected void encodeRequest(Channel channel, OutputStream os, Request req) throws IOException {
        Serialization serialization = getSerialization(channel);
        // header.
        byte[] header = new byte[HEADER_LENGTH];
        // set magic number.
        Bytes.short2bytes(MAGIC, header);

        // set request and serialization flag.
        header[2] = (byte) (FLAG_REQUEST | serialization.getContentTypeId());

        if (req.isTwoWay()) header[2] |= FLAG_TWOWAY;
        if (req.isEvent()) header[2] |= FLAG_EVENT;

        // set request id.
        Bytes.long2bytes(req.getId(), header, 4);

        // encode request data.
        UnsafeByteArrayOutputStream bos = new UnsafeByteArrayOutputStream(1024);
        ObjectOutput out = serialization.serialize(channel.getUrl(), bos);
        if (req.isEvent()) {
            encodeEventData(channel, out, req.getData());
        } else {
            encodeRequestData(channel, out, req.getData());
        }
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        os.write(data); // write data.
    }

    protected void encodeResponse(Channel channel, OutputStream os, Response res) throws IOException {
        try {
            Serialization serialization = getSerialization(channel);
            // header.
            byte[] header = new byte[HEADER_LENGTH];
            // set magic number.
            Bytes.short2bytes(MAGIC, header);
            // set request and serialization flag.
            header[2] = serialization.getContentTypeId();
            if (res.isHeartbeat()) header[2] |= FLAG_EVENT;
            // set response status.
            byte status = res.getStatus();
            header[3] = status;
            // set request id.
            Bytes.long2bytes(res.getId(), header, 4);
   
            UnsafeByteArrayOutputStream bos = new UnsafeByteArrayOutputStream(1024);
            ObjectOutput out = serialization.serialize(channel.getUrl(), bos);
            // encode response data or error message.
            if (status == Response.OK) {
                if (res.isHeartbeat()) {
                    encodeHeartbeatData(channel, out, res.getResult());
                } else {
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