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• MetadataPushFrameFlyweight.java

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com.jauntsdn.rsocket.frame.MetadataPushFrameFlyweight Maven / Gradle / Ivy

package com.jauntsdn.rsocket.frame;

import io.netty.buffer.ByteBuf;
import io.netty.buffer.ByteBufAllocator;

public class MetadataPushFrameFlyweight {
  public static ByteBuf encode(ByteBufAllocator allocator, ByteBuf metadata) {
    ByteBuf header =
        FrameHeaderFlyweight.encodeStreamZero(
            allocator, FrameType.METADATA_PUSH, FrameHeaderFlyweight.FLAGS_M);
    return allocator.compositeBuffer(2).addComponents(true, header, metadata);
  }

  public static ByteBuf metadata(ByteBuf byteBuf) {
    byteBuf.markReaderIndex();
    int headerSize = FrameHeaderFlyweight.size();
    int metadataLength = byteBuf.readableBytes() - headerSize;
    byteBuf.skipBytes(headerSize);
    ByteBuf metadata = byteBuf.readSlice(metadataLength);
    byteBuf.resetReaderIndex();
    return metadata;
  }
}