DefaultHttp2DataFrame.java — netty Source File

Source Code

/*
 * Copyright 2016 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.http2;

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

import static io.netty.handler.codec.http2.Http2CodecUtil.verifyPadding;
import static io.netty.util.internal.ObjectUtil.checkNotNull;

/**
 * The default {@link Http2DataFrame} implementation.
 */
public final class DefaultHttp2DataFrame extends AbstractHttp2StreamFrame implements Http2DataFrame {
    private final ByteBuf content;
    private final boolean endStream;
    private final int padding;
    private final int initialFlowControlledBytes;

    /**
     * Equivalent to {@code new DefaultHttp2DataFrame(content, false)}.
     *
     * @param content non-{@code null} payload
     */
    public DefaultHttp2DataFrame(ByteBuf content) {
        this(content, false);
    }

    /**
     * Equivalent to {@code new DefaultHttp2DataFrame(Unpooled.EMPTY_BUFFER, endStream)}.
     *
     * @param endStream whether this data should terminate the stream
     */
    public DefaultHttp2DataFrame(boolean endStream) {
        this(Unpooled.EMPTY_BUFFER, endStream);
    }

    /**
     * Equivalent to {@code new DefaultHttp2DataFrame(content, endStream, 0)}.
     *
     * @param content non-{@code null} payload
     * @param endStream whether this data should terminate the stream
     */
    public DefaultHttp2DataFrame(ByteBuf content, boolean endStream) {
        this(content, endStream, 0);
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