SpdyHeaderBlockDecoder Class — netty Architecture

Source Code

codec-http/src/main/java/io/netty/handler/codec/spdy/SpdyHeaderBlockDecoder.java lines 27–50

public abstract class SpdyHeaderBlockDecoder {

    static SpdyHeaderBlockDecoder newInstance(SpdyVersion spdyVersion, int maxHeaderSize) {
        return new SpdyHeaderBlockZlibDecoder(spdyVersion, maxHeaderSize);
    }

    /**
     * Decodes a SPDY Header Block, adding the Name/Value pairs to the given Headers frame.
     * If the header block is malformed, the Headers frame will be marked as invalid.
     * A stream error with status code PROTOCOL_ERROR must be issued in response to an invalid frame.
     *
     * @param alloc the {@link ByteBufAllocator} which can be used to allocate new {@link ByteBuf}s
     * @param headerBlock the HeaderBlock to decode
     * @param frame the Headers frame that receives the Name/Value pairs
     * @throws Exception If the header block is malformed in a way that prevents any future
     *                   decoding of any other header blocks, an exception will be thrown.
     *                   A session error with status code PROTOCOL_ERROR must be issued.
     */
    abstract void decode(ByteBufAllocator alloc, ByteBuf headerBlock, SpdyHeadersFrame frame) throws Exception;

    abstract void endHeaderBlock(SpdyHeadersFrame frame) throws Exception;

    abstract void end();
}