| /* |
| * 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; |
| |
| public class PushPromiseFrame extends HeaderFrame { |
| |
| private int padLength; |
| private final int promisedStream; |
| |
| public static final int TYPE = 0x5; |
| |
| // Flags |
| public static final int END_HEADERS = 0x4; |
| public static final int PADDED = 0x8; |
| |
| public PushPromiseFrame(int streamid, int flags, int promisedStream, ByteBufferReference[] buffers, int padLength) { |
| super(streamid, flags, buffers); |
| this.promisedStream = promisedStream; |
| if(padLength > 0 ) { |
| setPadLength(padLength); |
| } |
| } |
| |
| @Override |
| public int type() { |
| return TYPE; |
| } |
| |
| @Override |
| int length() { |
| return headerLength + ((flags & PADDED) != 0 ? 5 : 4); |
| } |
| |
| @Override |
| public String toString() { |
| return super.toString() + " promisedStreamid: " + promisedStream |
| + " headerLength: " + headerLength; |
| } |
| |
| @Override |
| public String flagAsString(int flag) { |
| switch (flag) { |
| case PADDED: |
| return "PADDED"; |
| case END_HEADERS: |
| return "END_HEADERS"; |
| } |
| return super.flagAsString(flag); |
| } |
| |
| public void setPadLength(int padLength) { |
| this.padLength = padLength; |
| flags |= PADDED; |
| } |
| |
| public int getPadLength() { |
| return padLength; |
| } |
| |
| public int getPromisedStream() { |
| return promisedStream; |
| } |
| |
| @Override |
| public boolean endHeaders() { |
| return getFlag(END_HEADERS); |
| } |
| |
| } |