Remove HttpHeadersUtil
Motivation: HttpHeadersUtil methods were previously moved to HttpUtils in 4.1. However this class was not removed when merging from 4.1 to master. Modifications: - Remove HttpHeadersUtil Result: Less duplicate code.
This commit is contained in:
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a6816bd59e
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bb5764b631
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@ -1,277 +0,0 @@
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/*
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* Copyright 2014 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.http;
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import io.netty.buffer.ByteBuf;
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import java.util.Iterator;
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import java.util.List;
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public final class HttpHeaderUtil {
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/**
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* Returns {@code true} if and only if the connection can remain open and
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* thus 'kept alive'. This methods respects the value of the
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* {@code "Connection"} header first and then the return value of
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* {@link HttpVersion#isKeepAliveDefault()}.
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*/
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public static boolean isKeepAlive(HttpMessage message) {
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CharSequence connection = message.headers().get(HttpHeaderNames.CONNECTION);
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if (connection != null && HttpHeaderValues.CLOSE.contentEqualsIgnoreCase(connection)) {
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return false;
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}
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if (message.protocolVersion().isKeepAliveDefault()) {
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return !HttpHeaderValues.CLOSE.contentEqualsIgnoreCase(connection);
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} else {
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return HttpHeaderValues.KEEP_ALIVE.contentEqualsIgnoreCase(connection);
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}
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}
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/**
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* Sets the value of the {@code "Connection"} header depending on the
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* protocol version of the specified message. This getMethod sets or removes
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* the {@code "Connection"} header depending on what the default keep alive
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* mode of the message's protocol version is, as specified by
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* {@link HttpVersion#isKeepAliveDefault()}.
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* <ul>
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* <li>If the connection is kept alive by default:
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* <ul>
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* <li>set to {@code "close"} if {@code keepAlive} is {@code false}.</li>
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* <li>remove otherwise.</li>
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* </ul></li>
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* <li>If the connection is closed by default:
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* <ul>
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* <li>set to {@code "keep-alive"} if {@code keepAlive} is {@code true}.</li>
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* <li>remove otherwise.</li>
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* </ul></li>
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* </ul>
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*/
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public static void setKeepAlive(HttpMessage message, boolean keepAlive) {
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HttpHeaders h = message.headers();
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if (message.protocolVersion().isKeepAliveDefault()) {
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if (keepAlive) {
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h.remove(HttpHeaderNames.CONNECTION);
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} else {
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h.set(HttpHeaderNames.CONNECTION, HttpHeaderValues.CLOSE);
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}
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} else {
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if (keepAlive) {
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h.set(HttpHeaderNames.CONNECTION, HttpHeaderValues.KEEP_ALIVE);
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} else {
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h.remove(HttpHeaderNames.CONNECTION);
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}
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}
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}
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/**
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* Returns the length of the content. Please note that this value is
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* not retrieved from {@link HttpContent#content()} but from the
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* {@code "Content-Length"} header, and thus they are independent from each
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* other.
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*
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* @return the content length
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*
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* @throws NumberFormatException
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* if the message does not have the {@code "Content-Length"} header
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* or its value is not a number
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*/
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public static long getContentLength(HttpMessage message) {
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Long value = message.headers().getLong(HttpHeaderNames.CONTENT_LENGTH);
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if (value != null) {
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return value;
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}
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// We know the content length if it's a Web Socket message even if
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// Content-Length header is missing.
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long webSocketContentLength = getWebSocketContentLength(message);
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if (webSocketContentLength >= 0) {
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return webSocketContentLength;
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}
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// Otherwise we don't.
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throw new NumberFormatException("header not found: " + HttpHeaderNames.CONTENT_LENGTH);
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}
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/**
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* Returns the length of the content. Please note that this value is
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* not retrieved from {@link HttpContent#content()} but from the
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* {@code "Content-Length"} header, and thus they are independent from each
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* other.
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*
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* @return the content length or {@code defaultValue} if this message does
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* not have the {@code "Content-Length"} header or its value is not
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* a number
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*/
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public static long getContentLength(HttpMessage message, long defaultValue) {
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Long value = message.headers().getLong(HttpHeaderNames.CONTENT_LENGTH);
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if (value != null) {
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return value;
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}
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// We know the content length if it's a Web Socket message even if
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// Content-Length header is missing.
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long webSocketContentLength = getWebSocketContentLength(message);
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if (webSocketContentLength >= 0) {
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return webSocketContentLength;
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}
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// Otherwise we don't.
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return defaultValue;
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}
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/**
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* Get an {@code int} representation of {@link #getContentLength(HttpMessage, long)}.
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* @return the content length or {@code defaultValue} if this message does
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* not have the {@code "Content-Length"} header or its value is not
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* a number. Not to exceed the boundaries of integer.
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*/
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public static int getContentLength(HttpMessage message, int defaultValue) {
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return (int) Math.min(Integer.MAX_VALUE, HttpHeaderUtil.getContentLength(message, (long) defaultValue));
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}
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/**
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* Returns the content length of the specified web socket message. If the
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* specified message is not a web socket message, {@code -1} is returned.
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*/
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private static int getWebSocketContentLength(HttpMessage message) {
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// WebSockset messages have constant content-lengths.
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HttpHeaders h = message.headers();
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if (message instanceof HttpRequest) {
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HttpRequest req = (HttpRequest) message;
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if (HttpMethod.GET.equals(req.method()) &&
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h.contains(HttpHeaderNames.SEC_WEBSOCKET_KEY1) &&
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h.contains(HttpHeaderNames.SEC_WEBSOCKET_KEY2)) {
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return 8;
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}
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} else if (message instanceof HttpResponse) {
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HttpResponse res = (HttpResponse) message;
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if (res.status().code() == 101 &&
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h.contains(HttpHeaderNames.SEC_WEBSOCKET_ORIGIN) &&
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h.contains(HttpHeaderNames.SEC_WEBSOCKET_LOCATION)) {
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return 16;
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}
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}
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// Not a web socket message
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return -1;
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}
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/**
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* Sets the {@code "Content-Length"} header.
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*/
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public static void setContentLength(HttpMessage message, long length) {
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message.headers().setLong(HttpHeaderNames.CONTENT_LENGTH, length);
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}
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public static boolean isContentLengthSet(HttpMessage m) {
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return m.headers().contains(HttpHeaderNames.CONTENT_LENGTH);
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}
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/**
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* Returns {@code true} if and only if the specified message contains the
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* {@code "Expect: 100-continue"} header.
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*/
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public static boolean is100ContinueExpected(HttpMessage message) {
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// Expect: 100-continue is for requests only.
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if (!(message instanceof HttpRequest)) {
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return false;
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}
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// It works only on HTTP/1.1 or later.
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if (message.protocolVersion().compareTo(HttpVersion.HTTP_1_1) < 0) {
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return false;
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}
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// In most cases, there will be one or zero 'Expect' header.
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CharSequence value = message.headers().get(HttpHeaderNames.EXPECT);
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if (value == null) {
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return false;
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}
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if (HttpHeaderValues.CONTINUE.contentEqualsIgnoreCase(value)) {
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return true;
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}
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// Multiple 'Expect' headers. Search through them.
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return message.headers().contains(HttpHeaderNames.EXPECT, HttpHeaderValues.CONTINUE, true);
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}
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/**
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* Sets or removes the {@code "Expect: 100-continue"} header to / from the
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* specified message. If the specified {@code value} is {@code true},
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* the {@code "Expect: 100-continue"} header is set and all other previous
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* {@code "Expect"} headers are removed. Otherwise, all {@code "Expect"}
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* headers are removed completely.
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*/
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public static void set100ContinueExpected(HttpMessage message, boolean expected) {
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if (expected) {
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message.headers().set(HttpHeaderNames.EXPECT, HttpHeaderValues.CONTINUE);
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} else {
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message.headers().remove(HttpHeaderNames.EXPECT);
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}
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}
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/**
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* Checks to see if the transfer encoding in a specified {@link HttpMessage} is chunked
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*
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* @param message The message to check
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* @return True if transfer encoding is chunked, otherwise false
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*/
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public static boolean isTransferEncodingChunked(HttpMessage message) {
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return message.headers().contains(HttpHeaderNames.TRANSFER_ENCODING, HttpHeaderValues.CHUNKED, true);
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}
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public static void setTransferEncodingChunked(HttpMessage m, boolean chunked) {
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if (chunked) {
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m.headers().add(HttpHeaderNames.TRANSFER_ENCODING, HttpHeaderValues.CHUNKED);
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m.headers().remove(HttpHeaderNames.CONTENT_LENGTH);
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} else {
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List<CharSequence> values = m.headers().getAll(HttpHeaderNames.TRANSFER_ENCODING);
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if (values.isEmpty()) {
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return;
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}
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Iterator<CharSequence> valuesIt = values.iterator();
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while (valuesIt.hasNext()) {
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CharSequence value = valuesIt.next();
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if (HttpHeaderValues.CHUNKED.contentEqualsIgnoreCase(value)) {
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valuesIt.remove();
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}
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}
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if (values.isEmpty()) {
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m.headers().remove(HttpHeaderNames.TRANSFER_ENCODING);
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} else {
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m.headers().set(HttpHeaderNames.TRANSFER_ENCODING, values);
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}
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}
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}
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static void encodeAscii0(CharSequence seq, ByteBuf buf) {
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int length = seq.length();
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for (int i = 0 ; i < length; i++) {
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buf.writeByte(c2b(seq.charAt(i)));
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}
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}
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private static byte c2b(char c) {
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if (c > 255) {
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return '?';
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}
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return (byte) c;
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}
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private HttpHeaderUtil() { }
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}
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import java.util.Iterator;
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import java.util.Iterator;
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import java.util.List;
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import java.util.List;
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import static io.netty.util.AsciiString.c2b;
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/**
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/**
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* Utility methods useful in the HTTP context.
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* Utility methods useful in the HTTP context.
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*/
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*/
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* a number. Not to exceed the boundaries of integer.
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* a number. Not to exceed the boundaries of integer.
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*/
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*/
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public static int getContentLength(HttpMessage message, int defaultValue) {
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public static int getContentLength(HttpMessage message, int defaultValue) {
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return (int) Math.min(Integer.MAX_VALUE, HttpHeaderUtil.getContentLength(message, (long) defaultValue));
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return (int) Math.min(Integer.MAX_VALUE, HttpUtil.getContentLength(message, (long) defaultValue));
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}
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}
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/**
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/**
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buf.writeByte(c2b(seq.charAt(i)));
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buf.writeByte(c2b(seq.charAt(i)));
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}
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}
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}
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}
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private static byte c2b(char c) {
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return c > 255 ? (byte) '?' : (byte) c;
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}
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}
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}
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@ -23,9 +23,9 @@ import io.netty.channel.ChannelPipeline;
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import io.netty.handler.codec.http.DefaultFullHttpResponse;
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import io.netty.handler.codec.http.DefaultFullHttpResponse;
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import io.netty.handler.codec.http.FullHttpRequest;
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import io.netty.handler.codec.http.FullHttpRequest;
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import io.netty.handler.codec.http.HttpHeaderNames;
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import io.netty.handler.codec.http.HttpHeaderNames;
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import io.netty.handler.codec.http.HttpHeaderUtil;
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import io.netty.handler.codec.http.HttpRequest;
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import io.netty.handler.codec.http.HttpRequest;
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import io.netty.handler.codec.http.HttpResponse;
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import io.netty.handler.codec.http.HttpResponse;
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import io.netty.handler.codec.http.HttpUtil;
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import io.netty.handler.ssl.SslHandler;
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import io.netty.handler.ssl.SslHandler;
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import static io.netty.handler.codec.http.HttpMethod.*;
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import static io.netty.handler.codec.http.HttpMethod.*;
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private static void sendHttpResponse(ChannelHandlerContext ctx, HttpRequest req, HttpResponse res) {
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private static void sendHttpResponse(ChannelHandlerContext ctx, HttpRequest req, HttpResponse res) {
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ChannelFuture f = ctx.channel().writeAndFlush(res);
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ChannelFuture f = ctx.channel().writeAndFlush(res);
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if (!HttpHeaderUtil.isKeepAlive(req) || res.status().code() != 200) {
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if (!HttpUtil.isKeepAlive(req) || res.status().code() != 200) {
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f.addListener(ChannelFutureListener.CLOSE);
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f.addListener(ChannelFutureListener.CLOSE);
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}
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}
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}
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}
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@ -296,7 +296,7 @@ public class HttpContentCompressorTest {
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@Test
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@Test
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public void test100Continue() throws Exception {
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public void test100Continue() throws Exception {
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FullHttpRequest request = newRequest();
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FullHttpRequest request = newRequest();
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HttpHeaderUtil.set100ContinueExpected(request, true);
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HttpUtil.set100ContinueExpected(request, true);
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EmbeddedChannel ch = new EmbeddedChannel(new HttpContentCompressor());
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EmbeddedChannel ch = new EmbeddedChannel(new HttpContentCompressor());
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ch.writeInbound(request);
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ch.writeInbound(request);
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@ -22,16 +22,19 @@ import io.netty.channel.ChannelHandlerContext;
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import io.netty.channel.SimpleChannelInboundHandler;
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import io.netty.channel.SimpleChannelInboundHandler;
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import io.netty.handler.codec.http.DefaultFullHttpResponse;
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import io.netty.handler.codec.http.DefaultFullHttpResponse;
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import io.netty.handler.codec.http.FullHttpResponse;
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import io.netty.handler.codec.http.FullHttpResponse;
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import io.netty.handler.codec.http.HttpHeaderUtil;
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import io.netty.handler.codec.http.HttpHeaderValues;
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import io.netty.handler.codec.http.HttpHeaderValues;
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import io.netty.handler.codec.http.HttpRequest;
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import io.netty.handler.codec.http.HttpRequest;
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import io.netty.handler.codec.http.HttpUtil;
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import io.netty.util.CharsetUtil;
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import io.netty.util.CharsetUtil;
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import java.util.Date;
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import java.util.Date;
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import static io.netty.handler.codec.http.HttpHeaderNames.*;
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import static io.netty.handler.codec.http.HttpHeaderNames.CONNECTION;
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import static io.netty.handler.codec.http.HttpResponseStatus.*;
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import static io.netty.handler.codec.http.HttpHeaderNames.CONTENT_LENGTH;
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import static io.netty.handler.codec.http.HttpVersion.*;
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import static io.netty.handler.codec.http.HttpHeaderNames.CONTENT_TYPE;
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import static io.netty.handler.codec.http.HttpResponseStatus.CONTINUE;
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import static io.netty.handler.codec.http.HttpResponseStatus.OK;
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import static io.netty.handler.codec.http.HttpVersion.HTTP_1_1;
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* HTTP handler that responds with a "Hello World"
|
* HTTP handler that responds with a "Hello World"
|
||||||
|
@ -43,10 +46,10 @@ public class SpdyServerHandler extends SimpleChannelInboundHandler<Object> {
|
||||||
if (msg instanceof HttpRequest) {
|
if (msg instanceof HttpRequest) {
|
||||||
HttpRequest req = (HttpRequest) msg;
|
HttpRequest req = (HttpRequest) msg;
|
||||||
|
|
||||||
if (HttpHeaderUtil.is100ContinueExpected(req)) {
|
if (HttpUtil.is100ContinueExpected(req)) {
|
||||||
ctx.write(new DefaultFullHttpResponse(HTTP_1_1, CONTINUE));
|
ctx.write(new DefaultFullHttpResponse(HTTP_1_1, CONTINUE));
|
||||||
}
|
}
|
||||||
boolean keepAlive = HttpHeaderUtil.isKeepAlive(req);
|
boolean keepAlive = HttpUtil.isKeepAlive(req);
|
||||||
|
|
||||||
ByteBuf content = Unpooled.copiedBuffer("Hello World " + new Date(), CharsetUtil.UTF_8);
|
ByteBuf content = Unpooled.copiedBuffer("Hello World " + new Date(), CharsetUtil.UTF_8);
|
||||||
|
|
||||||
|
|
|
@ -24,8 +24,8 @@ import io.netty.channel.ChannelHandlerContext;
|
||||||
import io.netty.handler.codec.http.DefaultFullHttpResponse;
|
import io.netty.handler.codec.http.DefaultFullHttpResponse;
|
||||||
import io.netty.handler.codec.http.FullHttpResponse;
|
import io.netty.handler.codec.http.FullHttpResponse;
|
||||||
import io.netty.handler.codec.http.HttpHeaderNames;
|
import io.netty.handler.codec.http.HttpHeaderNames;
|
||||||
import io.netty.handler.codec.http.HttpHeaderUtil;
|
|
||||||
import io.netty.handler.codec.http.HttpRequest;
|
import io.netty.handler.codec.http.HttpRequest;
|
||||||
|
import io.netty.handler.codec.http.HttpUtil;
|
||||||
import io.netty.handler.codec.http.websocketx.BinaryWebSocketFrame;
|
import io.netty.handler.codec.http.websocketx.BinaryWebSocketFrame;
|
||||||
import io.netty.handler.codec.http.websocketx.CloseWebSocketFrame;
|
import io.netty.handler.codec.http.websocketx.CloseWebSocketFrame;
|
||||||
import io.netty.handler.codec.http.websocketx.ContinuationWebSocketFrame;
|
import io.netty.handler.codec.http.websocketx.ContinuationWebSocketFrame;
|
||||||
|
@ -41,9 +41,10 @@ import io.netty.util.internal.StringUtil;
|
||||||
import java.util.logging.Level;
|
import java.util.logging.Level;
|
||||||
import java.util.logging.Logger;
|
import java.util.logging.Logger;
|
||||||
|
|
||||||
import static io.netty.handler.codec.http.HttpMethod.*;
|
import static io.netty.handler.codec.http.HttpMethod.GET;
|
||||||
import static io.netty.handler.codec.http.HttpResponseStatus.*;
|
import static io.netty.handler.codec.http.HttpResponseStatus.BAD_REQUEST;
|
||||||
import static io.netty.handler.codec.http.HttpVersion.*;
|
import static io.netty.handler.codec.http.HttpResponseStatus.FORBIDDEN;
|
||||||
|
import static io.netty.handler.codec.http.HttpVersion.HTTP_1_1;
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* Handles handshakes and messages
|
* Handles handshakes and messages
|
||||||
|
@ -124,12 +125,12 @@ public class AutobahnServerHandler extends ChannelHandlerAdapter {
|
||||||
ByteBuf buf = Unpooled.copiedBuffer(res.status().toString(), CharsetUtil.UTF_8);
|
ByteBuf buf = Unpooled.copiedBuffer(res.status().toString(), CharsetUtil.UTF_8);
|
||||||
res.content().writeBytes(buf);
|
res.content().writeBytes(buf);
|
||||||
buf.release();
|
buf.release();
|
||||||
HttpHeaderUtil.setContentLength(res, res.content().readableBytes());
|
HttpUtil.setContentLength(res, res.content().readableBytes());
|
||||||
}
|
}
|
||||||
|
|
||||||
// Send the response and close the connection if necessary.
|
// Send the response and close the connection if necessary.
|
||||||
ChannelFuture f = ctx.channel().writeAndFlush(res);
|
ChannelFuture f = ctx.channel().writeAndFlush(res);
|
||||||
if (!HttpHeaderUtil.isKeepAlive(req) || res.status().code() != 200) {
|
if (!HttpUtil.isKeepAlive(req) || res.status().code() != 200) {
|
||||||
f.addListener(ChannelFutureListener.CLOSE);
|
f.addListener(ChannelFutureListener.CLOSE);
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
Loading…
Reference in New Issue
Block a user