Http2Flags.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;

/**
 * Provides utility methods for accessing specific flags as defined by the HTTP/2 spec.
 */
public final class Http2Flags {
    public static final short END_STREAM = 0x1;
    public static final short END_HEADERS = 0x4;
    public static final short ACK = 0x1;
    public static final short PADDED = 0x8;
    public static final short PRIORITY = 0x20;

    private short value;

    public Http2Flags() {
    }

    public Http2Flags(short value) {
        this.value = value;
    }

    /**
     * Gets the underlying flags value.
     */
    public short value() {
        return value;
    }

    /**
     * Determines whether the {@link #END_STREAM} flag is set. Only applies to DATA and HEADERS
     * frames.
     */
    public boolean endOfStream() {
        return isFlagSet(END_STREAM);
    }

    /**
     * Determines whether the {@link #END_HEADERS} flag is set. Only applies for HEADERS,
     * PUSH_PROMISE, and CONTINUATION frames.
     */
    public boolean endOfHeaders() {
        return isFlagSet(END_HEADERS);
    }

    /**
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