8accc52b03
Motivation: The twitter hpack project does not have the support that it used to have. See discussion here: https://github.com/netty/netty/issues/4403. Modifications: Created a new module in Netty and copied the latest from twitter hpack master. Result: Netty no longer depends on twitter hpack.
118 lines
3.6 KiB
Java
118 lines
3.6 KiB
Java
/*
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* Copyright 2015 The Netty Project
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*
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* The Netty Project licenses this file to you under the Apache License,
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* version 2.0 (the "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*/
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/*
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* Copyright 2014 Twitter, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package io.netty.handler.codec.http2.hpack;
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import static io.netty.handler.codec.http2.hpack.HpackUtil.ISO_8859_1;
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import static io.netty.handler.codec.http2.hpack.HpackUtil.requireNonNull;
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class HeaderField implements Comparable<HeaderField> {
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// Section 4.1. Calculating Table Size
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// The additional 32 octets account for an estimated
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// overhead associated with the structure.
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static final int HEADER_ENTRY_OVERHEAD = 32;
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static int sizeOf(byte[] name, byte[] value) {
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return name.length + value.length + HEADER_ENTRY_OVERHEAD;
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}
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final byte[] name;
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final byte[] value;
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// This constructor can only be used if name and value are ISO-8859-1 encoded.
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HeaderField(String name, String value) {
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this(name.getBytes(ISO_8859_1), value.getBytes(ISO_8859_1));
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}
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HeaderField(byte[] name, byte[] value) {
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this.name = requireNonNull(name);
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this.value = requireNonNull(value);
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}
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int size() {
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return name.length + value.length + HEADER_ENTRY_OVERHEAD;
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}
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@Override
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public int hashCode() {
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// TODO(nmittler): Netty's build rules require this. Probably need a better implementation.
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return super.hashCode();
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}
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@Override
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public int compareTo(HeaderField anotherHeaderField) {
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int ret = compareTo(name, anotherHeaderField.name);
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if (ret == 0) {
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ret = compareTo(value, anotherHeaderField.value);
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}
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return ret;
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}
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private int compareTo(byte[] s1, byte[] s2) {
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int len1 = s1.length;
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int len2 = s2.length;
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int lim = Math.min(len1, len2);
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int k = 0;
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while (k < lim) {
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byte b1 = s1[k];
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byte b2 = s2[k];
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if (b1 != b2) {
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return b1 - b2;
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}
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k++;
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}
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return len1 - len2;
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}
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@Override
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public boolean equals(Object obj) {
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if (obj == this) {
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return true;
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}
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if (!(obj instanceof HeaderField)) {
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return false;
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}
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HeaderField other = (HeaderField) obj;
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boolean nameEquals = HpackUtil.equals(name, other.name);
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boolean valueEquals = HpackUtil.equals(value, other.value);
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return nameEquals && valueEquals;
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}
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@Override
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public String toString() {
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String nameString = new String(name);
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String valueString = new String(value);
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return nameString + ": " + valueString;
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}
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}
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