1 /* 2 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 package jdk.incubator.http.internal.hpack; 26 27 import java.nio.ByteBuffer; 28 29 final class LiteralWithIndexingWriter extends IndexNameValueWriter { 30 31 private boolean tableUpdated; 32 33 private CharSequence name; 34 private CharSequence value; 35 private int index; 36 37 LiteralWithIndexingWriter() { 38 super(0b0100_0000, 6); 39 } 40 41 @Override 42 LiteralWithIndexingWriter index(int index) { 43 super.index(index); 44 this.index = index; 45 return this; 46 } 47 48 @Override 49 LiteralWithIndexingWriter name(CharSequence name, boolean useHuffman) { 50 super.name(name, useHuffman); 51 this.name = name; 52 return this; 53 } 54 55 @Override 56 LiteralWithIndexingWriter value(CharSequence value, boolean useHuffman) { 57 super.value(value, useHuffman); 58 this.value = value; 59 return this; 60 } 61 62 @Override 63 public boolean write(HeaderTable table, ByteBuffer destination) { 64 if (!tableUpdated) { 65 CharSequence n; 66 if (indexedRepresentation) { 67 n = table.get(index).name; 68 } else { 69 n = name; 70 } 71 table.put(n, value); 72 tableUpdated = true; 73 } 74 return super.write(table, destination); 75 } 76 77 @Override 78 public IndexNameValueWriter reset() { 79 tableUpdated = false; 80 name = null; 81 value = null; 82 index = -1; 83 return super.reset(); 84 } 85 }