| /* |
| * Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package jdk.incubator.http.internal.frame; |
| |
| import jdk.incubator.http.internal.common.ByteBufferReference; |
| import jdk.incubator.http.internal.common.Utils; |
| |
| import java.nio.ByteBuffer; |
| |
| /** |
| * Either a HeadersFrame or a ContinuationFrame |
| */ |
| public abstract class HeaderFrame extends Http2Frame { |
| |
| final int headerLength; |
| final ByteBufferReference[] headerBlocks; |
| |
| public static final int END_STREAM = 0x1; |
| public static final int END_HEADERS = 0x4; |
| |
| public HeaderFrame(int streamid, int flags, ByteBufferReference headerBlock) { |
| this(streamid, flags, new ByteBufferReference[]{headerBlock}); |
| } |
| |
| public HeaderFrame(int streamid, int flags, ByteBufferReference[] headerBlocks) { |
| super(streamid, flags); |
| this.headerBlocks = headerBlocks; |
| this.headerLength = Utils.remaining(headerBlocks); |
| } |
| |
| @Override |
| public String flagAsString(int flag) { |
| switch (flag) { |
| case END_HEADERS: |
| return "END_HEADERS"; |
| case END_STREAM: |
| return "END_STREAM"; |
| } |
| return super.flagAsString(flag); |
| } |
| |
| |
| public ByteBufferReference[] getHeaderBlock() { |
| return headerBlocks; |
| } |
| |
| int getHeaderLength() { |
| return headerLength; |
| } |
| |
| /** |
| * Returns true if this block is the final block of headers. |
| */ |
| public boolean endHeaders() { |
| return getFlag(END_HEADERS); |
| } |
| } |