DataFrame.java

package com.firefly.codec.http2.frame;

import java.nio.ByteBuffer;

public class DataFrame extends Frame {
	private final int streamId;
	private final ByteBuffer data;
	private final boolean endStream;
	private final int padding;

	public DataFrame(int streamId, ByteBuffer data, boolean endStream) {
		this(streamId, data, endStream, 0);
	}

	public DataFrame(int streamId, ByteBuffer data, boolean endStream, int padding) {
		super(FrameType.DATA);
		this.streamId = streamId;
		this.data = data;
		this.endStream = endStream;
		this.padding = padding;
	}

	public int getStreamId() {
		return streamId;
	}

	public ByteBuffer getData() {
		return data;
	}

	public boolean isEndStream() {
		return endStream;
	}

	/**
	 * @return the number of data bytes remaining.
	 */
	public int remaining() {
		return data.remaining();
	}

	/**
	 * @return the number of bytes used for padding that count towards flow
	 *         control.
	 */
	public int padding() {
		return padding;
	}

	@Override
	public String toString() {
		return String.format("%s#%d{length:%d,end=%b}", super.toString(), streamId, data.remaining(), endStream);
	}
}