src/java.net.http/share/classes/java/net/http/internal/frame/HeadersFrame.java
branchhttp-client-branch
changeset 56089 42208b2f224e
parent 56088 38fac6d0521d
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/java.net.http/share/classes/java/net/http/internal/frame/HeadersFrame.java	Wed Feb 07 14:17:24 2018 +0000
@@ -0,0 +1,114 @@
+/*
+ * Copyright (c) 2015, 2018, 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 java.net.http.internal.frame;
+
+import java.nio.ByteBuffer;
+import java.util.List;
+
+public class HeadersFrame extends HeaderFrame {
+
+    public static final int TYPE = 0x1;
+
+    // Flags
+    public static final int END_STREAM = 0x1;
+    public static final int PADDED = 0x8;
+    public static final int PRIORITY = 0x20;
+
+
+    private int padLength;
+    private int streamDependency;
+    private int weight;
+    private boolean exclusive;
+
+    public HeadersFrame(int streamid, int flags, List<ByteBuffer> headerBlocks, int padLength) {
+        super(streamid, flags, headerBlocks);
+        if (padLength > 0) {
+            setPadLength(padLength);
+        }
+    }
+
+    public HeadersFrame(int streamid, int flags, List<ByteBuffer> headerBlocks) {
+        super(streamid, flags, headerBlocks);
+    }
+
+    public HeadersFrame(int streamid, int flags, ByteBuffer headerBlock) {
+        this(streamid, flags, List.of(headerBlock));
+    }
+
+    @Override
+    public int type() {
+        return TYPE;
+    }
+
+    @Override
+    int length() {
+        return headerLength
+                + ((flags & PADDED) != 0 ? (1 + padLength) : 0)
+                + ((flags & PRIORITY) != 0 ? 5 : 0);
+    }
+
+    @Override
+    public String flagAsString(int flag) {
+        switch (flag) {
+            case END_STREAM:
+                return "END_STREAM";
+            case PADDED:
+                return "PADDED";
+            case PRIORITY:
+                return "PRIORITY";
+        }
+        return super.flagAsString(flag);
+    }
+
+    public void setPadLength(int padLength) {
+        this.padLength = padLength;
+        flags |= PADDED;
+    }
+
+    int getPadLength() {
+        return padLength;
+    }
+
+    public void setPriority(int streamDependency, boolean exclusive, int weight) {
+        this.streamDependency = streamDependency;
+        this.exclusive = exclusive;
+        this.weight = weight;
+        this.flags |= PRIORITY;
+    }
+
+    public int getStreamDependency() {
+        return streamDependency;
+    }
+
+    public int getWeight() {
+        return weight;
+    }
+
+    public boolean getExclusive() {
+        return exclusive;
+    }
+
+}