DefaultSpdyDataFrame.java — netty Source File

Source Code

/*
 * Copyright 2013 The Netty Project
 *
 * The Netty Project licenses this file to you under the Apache License,
 * version 2.0 (the "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at:
 *
 *   https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations
 * under the License.
 */
package io.netty.handler.codec.spdy;

import io.netty.buffer.ByteBuf;
import io.netty.buffer.ByteBufUtil;
import io.netty.buffer.Unpooled;
import io.netty.util.internal.ObjectUtil;
import io.netty.util.internal.StringUtil;

/**
 * The default {@link SpdyDataFrame} implementation.
 */
public class DefaultSpdyDataFrame extends DefaultSpdyStreamFrame implements SpdyDataFrame {

    private final ByteBuf data;

    /**
     * Creates a new instance.
     *
     * @param streamId the Stream-ID of this frame
     */
    public DefaultSpdyDataFrame(int streamId) {
        this(streamId, Unpooled.buffer(0));
    }

    /**
     * Creates a new instance.
     *
     * @param streamId  the Stream-ID of this frame
     * @param data      the payload of the frame. Can not exceed {@link SpdyCodecUtil#SPDY_MAX_LENGTH}
     */
    public DefaultSpdyDataFrame(int streamId, ByteBuf data) {
        super(streamId);
        this.data = validate(
                ObjectUtil.checkNotNull(data, "data"));
    }

    private static ByteBuf validate(ByteBuf data) {
        if (data.readableBytes() > SpdyCodecUtil.SPDY_MAX_LENGTH) {
            throw new IllegalArgumentException("data payload cannot exceed "
                    + SpdyCodecUtil.SPDY_MAX_LENGTH + " bytes");
        }
        return data;
    }

    @Override
// ... (98 more lines)