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package com.firefly.codec.http2.encode;

import java.nio.ByteBuffer;
import java.util.List;

import com.firefly.codec.http2.frame.Frame;
import com.firefly.codec.http2.frame.FrameType;

public abstract class FrameGenerator {
	private final HeaderGenerator headerGenerator;

	public FrameGenerator(HeaderGenerator headerGenerator) {
		this.headerGenerator = headerGenerator;
	}

	public int getMaxFrameSize() {
		return headerGenerator.getMaxFrameSize();
	}

	protected ByteBuffer generateHeader(FrameType frameType, int length, int flags, int streamId) {
		return headerGenerator.generate(frameType, Frame.HEADER_LENGTH + length, length, flags, streamId);
	}

	public abstract List generate(Frame frame);
}