DefaultHttp2HeadersEncoder.java — netty Source File

Source Code

/*
 * Copyright 2014 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 java.io.Closeable;

import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;

import static io.netty.handler.codec.http2.Http2Error.COMPRESSION_ERROR;
import static io.netty.handler.codec.http2.Http2Exception.connectionError;
import static io.netty.util.internal.ObjectUtil.checkNotNull;

public class DefaultHttp2HeadersEncoder implements
    Http2HeadersEncoder, Http2HeadersEncoder.Configuration, Closeable {

    private final HpackEncoder hpackEncoder;
    private final SensitivityDetector sensitivityDetector;
    private ByteBuf tableSizeChangeOutput;

    public DefaultHttp2HeadersEncoder() {
        this(NEVER_SENSITIVE);
    }

    public DefaultHttp2HeadersEncoder(SensitivityDetector sensitivityDetector) {
        this(sensitivityDetector, new HpackEncoder());
    }

    public DefaultHttp2HeadersEncoder(SensitivityDetector sensitivityDetector, boolean ignoreMaxHeaderListSize) {
        this(sensitivityDetector, new HpackEncoder(ignoreMaxHeaderListSize));
    }

    public DefaultHttp2HeadersEncoder(SensitivityDetector sensitivityDetector, boolean ignoreMaxHeaderListSize,
                                      int dynamicTableArraySizeHint) {
        this(sensitivityDetector, ignoreMaxHeaderListSize, dynamicTableArraySizeHint, HpackEncoder.HUFF_CODE_THRESHOLD);
    }

    public DefaultHttp2HeadersEncoder(SensitivityDetector sensitivityDetector, boolean ignoreMaxHeaderListSize,
                                      int dynamicTableArraySizeHint, int huffCodeThreshold) {
        this(sensitivityDetector,
                new HpackEncoder(ignoreMaxHeaderListSize, dynamicTableArraySizeHint, huffCodeThreshold));
    }

    /**
     * Exposed Used for testing only! Default values used in the initial settings frame are overridden intentionally
     * for testing but violate the RFC if used outside the scope of testing.
     */
// ... (63 more lines)