| // |
| // ======================================================================== |
| // Copyright (c) 1995-2017 Mort Bay Consulting Pty. Ltd. |
| // ------------------------------------------------------------------------ |
| // All rights reserved. This program and the accompanying materials |
| // are made available under the terms of the Eclipse Public License v1.0 |
| // and Apache License v2.0 which accompanies this distribution. |
| // |
| // The Eclipse Public License is available at |
| // http://www.eclipse.org/legal/epl-v10.html |
| // |
| // The Apache License v2.0 is available at |
| // http://www.opensource.org/licenses/apache2.0.php |
| // |
| // You may elect to redistribute this code under either of these licenses. |
| // ======================================================================== |
| // |
| |
| package org.eclipse.jetty.spdy.api; |
| |
| import java.util.concurrent.TimeUnit; |
| |
| import org.eclipse.jetty.util.Fields; |
| |
| /** |
| * <p>A container for HEADERS frame metadata and headers.</p> |
| */ |
| public class HeadersInfo extends Info |
| { |
| /** |
| * <p>Flag that indicates that this {@link HeadersInfo} is the last frame in the stream.</p> |
| * |
| * @see #isClose() |
| * @see #getFlags() |
| */ |
| public static final byte FLAG_CLOSE = 1; |
| /** |
| * <p>Flag that indicates that the compression of the stream must be reset.</p> |
| * |
| * @see #isResetCompression() |
| * @see #getFlags() |
| */ |
| public static final byte FLAG_RESET_COMPRESSION = 2; |
| |
| private final boolean close; |
| private final boolean resetCompression; |
| private final Fields headers; |
| |
| /** |
| * <p>Creates a new {@link HeadersInfo} instance with the given headers, the given close flag and no reset |
| * compression flag</p> |
| * |
| * @param headers the {@link Fields} |
| * @param close the value of the close flag |
| */ |
| public HeadersInfo(Fields headers, boolean close) |
| { |
| this(headers, close, false); |
| } |
| |
| /** |
| * <p>Creates a new {@link HeadersInfo} instance with the given headers, the given close flag and the given reset |
| * compression flag</p> |
| * |
| * @param headers the {@link Fields} |
| * @param close the value of the close flag |
| * @param resetCompression the value of the reset compression flag |
| */ |
| public HeadersInfo(Fields headers, boolean close, boolean resetCompression) |
| { |
| this.headers = headers; |
| this.close = close; |
| this.resetCompression = resetCompression; |
| } |
| |
| /** |
| * <p>Creates a new {@link HeadersInfo} instance with the given headers, the given close flag and the given reset |
| * compression flag</p> |
| * |
| * @param timeout the operation's timeout |
| * @param unit the timeout's unit |
| * @param headers the {@link Fields} |
| * @param close the value of the close flag |
| * @param resetCompression the value of the reset compression flag |
| */ |
| public HeadersInfo(long timeout, TimeUnit unit, boolean close, boolean resetCompression, Fields headers) |
| { |
| super(timeout, unit); |
| this.close = close; |
| this.resetCompression = resetCompression; |
| this.headers = headers; |
| } |
| |
| /** |
| * @return the value of the close flag |
| */ |
| public boolean isClose() |
| { |
| return close; |
| } |
| |
| /** |
| * @return the value of the reset compression flag |
| */ |
| public boolean isResetCompression() |
| { |
| return resetCompression; |
| } |
| |
| /** |
| * @return the {@link Fields} |
| */ |
| public Fields getHeaders() |
| { |
| return headers; |
| } |
| |
| /** |
| * @return the close and reset compression flags as integer |
| * @see #FLAG_CLOSE |
| * @see #FLAG_RESET_COMPRESSION |
| */ |
| public byte getFlags() |
| { |
| byte flags = isClose() ? FLAG_CLOSE : 0; |
| flags += isResetCompression() ? FLAG_RESET_COMPRESSION : 0; |
| return flags; |
| } |
| |
| @Override |
| public String toString() |
| { |
| return String.format("HEADER close=%b %s", close, headers); |
| } |
| } |