4c64c98f34
Motivation: We can replace some "hand-rolled" integer checks with our own static utility method to simplify the code. Modifications: Use methods provided by `ObjectUtil`. Result: Cleaner code and less duplication
180 lines
4.9 KiB
Java
180 lines
4.9 KiB
Java
/*
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* Copyright 2016 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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package io.netty.handler.codec.http2;
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import static io.netty.util.internal.ObjectUtil.checkPositiveOrZero;
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import io.netty.buffer.ByteBuf;
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import io.netty.buffer.DefaultByteBufHolder;
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import io.netty.buffer.Unpooled;
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import io.netty.util.internal.StringUtil;
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import io.netty.util.internal.UnstableApi;
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/**
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* The default {@link Http2GoAwayFrame} implementation.
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*/
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@UnstableApi
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public final class DefaultHttp2GoAwayFrame extends DefaultByteBufHolder implements Http2GoAwayFrame {
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private final long errorCode;
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private final int lastStreamId;
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private int extraStreamIds;
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/**
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* Equivalent to {@code new DefaultHttp2GoAwayFrame(error.code())}.
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*
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* @param error non-{@code null} reason for the go away
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*/
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public DefaultHttp2GoAwayFrame(Http2Error error) {
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this(error.code());
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}
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/**
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* Equivalent to {@code new DefaultHttp2GoAwayFrame(content, Unpooled.EMPTY_BUFFER)}.
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*
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* @param errorCode reason for the go away
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*/
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public DefaultHttp2GoAwayFrame(long errorCode) {
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this(errorCode, Unpooled.EMPTY_BUFFER);
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}
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/**
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*
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*
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* @param error non-{@code null} reason for the go away
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* @param content non-{@code null} debug data
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*/
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public DefaultHttp2GoAwayFrame(Http2Error error, ByteBuf content) {
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this(error.code(), content);
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}
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/**
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* Construct a new GOAWAY message.
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*
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* @param errorCode reason for the go away
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* @param content non-{@code null} debug data
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*/
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public DefaultHttp2GoAwayFrame(long errorCode, ByteBuf content) {
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this(-1, errorCode, content);
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}
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/**
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* Construct a new GOAWAY message.
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*
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* This constructor is for internal use only. A user should not have to specify a specific last stream identifier,
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* but use {@link #setExtraStreamIds(int)} instead.
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*/
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DefaultHttp2GoAwayFrame(int lastStreamId, long errorCode, ByteBuf content) {
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super(content);
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this.errorCode = errorCode;
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this.lastStreamId = lastStreamId;
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}
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@Override
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public String name() {
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return "GOAWAY";
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}
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@Override
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public long errorCode() {
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return errorCode;
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}
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@Override
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public int extraStreamIds() {
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return extraStreamIds;
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}
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@Override
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public Http2GoAwayFrame setExtraStreamIds(int extraStreamIds) {
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checkPositiveOrZero(extraStreamIds, "extraStreamIds");
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this.extraStreamIds = extraStreamIds;
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return this;
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}
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@Override
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public int lastStreamId() {
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return lastStreamId;
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}
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@Override
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public Http2GoAwayFrame copy() {
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return new DefaultHttp2GoAwayFrame(lastStreamId, errorCode, content().copy());
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}
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@Override
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public Http2GoAwayFrame duplicate() {
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return (Http2GoAwayFrame) super.duplicate();
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}
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@Override
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public Http2GoAwayFrame retainedDuplicate() {
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return (Http2GoAwayFrame) super.retainedDuplicate();
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}
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@Override
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public Http2GoAwayFrame replace(ByteBuf content) {
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return new DefaultHttp2GoAwayFrame(errorCode, content).setExtraStreamIds(extraStreamIds);
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}
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@Override
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public Http2GoAwayFrame retain() {
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super.retain();
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return this;
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}
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@Override
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public Http2GoAwayFrame retain(int increment) {
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super.retain(increment);
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return this;
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}
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@Override
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public Http2GoAwayFrame touch() {
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super.touch();
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return this;
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}
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@Override
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public Http2GoAwayFrame touch(Object hint) {
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super.touch(hint);
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return this;
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}
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@Override
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public boolean equals(Object o) {
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if (!(o instanceof DefaultHttp2GoAwayFrame)) {
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return false;
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}
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DefaultHttp2GoAwayFrame other = (DefaultHttp2GoAwayFrame) o;
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return errorCode == other.errorCode && extraStreamIds == other.extraStreamIds && super.equals(other);
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}
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@Override
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public int hashCode() {
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int hash = super.hashCode();
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hash = hash * 31 + (int) (errorCode ^ (errorCode >>> 32));
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hash = hash * 31 + extraStreamIds;
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return hash;
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}
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@Override
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public String toString() {
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return StringUtil.simpleClassName(this) + "(errorCode=" + errorCode + ", content=" + content()
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+ ", extraStreamIds=" + extraStreamIds + ", lastStreamId=" + lastStreamId + ')';
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}
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}
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