81 lines
2.9 KiB
Java
81 lines
2.9 KiB
Java
/*
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* Copyright 2012 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 io.netty.buffer.ByteBufUtil;
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import io.netty.util.AsciiString;
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import io.netty.util.CharsetUtil;
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import static io.netty.handler.codec.http.HttpConstants.SP;
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/**
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* Encodes an {@link HttpRequest} or an {@link HttpContent} into
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* a {@link ByteBuf}.
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*/
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public class HttpRequestEncoder extends HttpObjectEncoder<HttpRequest> {
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private static final char SLASH = '/';
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private static final char QUESTION_MARK = '?';
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@Override
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public boolean acceptOutboundMessage(Object msg) throws Exception {
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return super.acceptOutboundMessage(msg) && !(msg instanceof HttpResponse);
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}
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@Override
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protected void encodeInitialLine(ByteBuf buf, HttpRequest request) throws Exception {
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AsciiString method = request.method().asciiName();
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ByteBufUtil.copy(method, method.arrayOffset(), buf, method.length());
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buf.writeByte(SP);
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// Add / as absolute path if no is present.
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// See http://tools.ietf.org/html/rfc2616#section-5.1.2
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String uri = request.uri();
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if (uri.isEmpty()) {
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uri += SLASH;
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} else {
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int start = uri.indexOf("://");
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if (start != -1 && uri.charAt(0) != SLASH) {
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int startIndex = start + 3;
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// Correctly handle query params.
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// See https://github.com/netty/netty/issues/2732
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int index = uri.indexOf(QUESTION_MARK, startIndex);
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if (index == -1) {
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if (uri.lastIndexOf(SLASH) <= startIndex) {
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uri += SLASH;
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}
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} else {
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if (uri.lastIndexOf(SLASH, index) <= startIndex) {
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int len = uri.length();
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StringBuilder sb = new StringBuilder(len + 1);
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sb.append(uri, 0, index)
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.append(SLASH)
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.append(uri, index, len);
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uri = sb.toString();
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}
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}
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}
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}
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buf.writeBytes(uri.getBytes(CharsetUtil.UTF_8));
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buf.writeByte(SP);
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request.protocolVersion().encode(buf);
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buf.writeBytes(CRLF);
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}
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}
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