| /* |
| * ==================================================================== |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| * |
| */ |
| |
| package org.apache.hc.core5.http.impl.io; |
| |
| import java.io.IOException; |
| import java.io.OutputStream; |
| import java.net.Socket; |
| import java.nio.charset.CharsetDecoder; |
| import java.nio.charset.CharsetEncoder; |
| |
| import org.apache.hc.core5.http.ClassicHttpRequest; |
| import org.apache.hc.core5.http.ClassicHttpResponse; |
| import org.apache.hc.core5.http.ContentLengthStrategy; |
| import org.apache.hc.core5.http.HttpEntity; |
| import org.apache.hc.core5.http.HttpException; |
| import org.apache.hc.core5.http.HttpStatus; |
| import org.apache.hc.core5.http.HttpVersion; |
| import org.apache.hc.core5.http.ProtocolVersion; |
| import org.apache.hc.core5.http.UnsupportedHttpVersionException; |
| import org.apache.hc.core5.http.config.Http1Config; |
| import org.apache.hc.core5.http.impl.DefaultContentLengthStrategy; |
| import org.apache.hc.core5.http.io.HttpMessageParser; |
| import org.apache.hc.core5.http.io.HttpMessageParserFactory; |
| import org.apache.hc.core5.http.io.HttpMessageWriter; |
| import org.apache.hc.core5.http.io.HttpMessageWriterFactory; |
| import org.apache.hc.core5.http.io.HttpServerConnection; |
| import org.apache.hc.core5.util.Args; |
| |
| /** |
| * Default implementation of {@link HttpServerConnection}. |
| * |
| * @since 4.3 |
| */ |
| public class DefaultBHttpServerConnection extends BHttpConnectionBase implements HttpServerConnection { |
| |
| private final String scheme; |
| private final ContentLengthStrategy incomingContentStrategy; |
| private final ContentLengthStrategy outgoingContentStrategy; |
| private final HttpMessageParser<ClassicHttpRequest> requestParser; |
| private final HttpMessageWriter<ClassicHttpResponse> responseWriter; |
| |
| /** |
| * Creates new instance of DefaultBHttpServerConnection. |
| * |
| * @param scheme protocol scheme |
| * @param http1Config Message http1Config. If {@code null} |
| * {@link Http1Config#DEFAULT} will be used. |
| * @param charDecoder decoder to be used for decoding HTTP protocol elements. |
| * If {@code null} simple type cast will be used for byte to char conversion. |
| * @param charEncoder encoder to be used for encoding HTTP protocol elements. |
| * If {@code null} simple type cast will be used for char to byte conversion. |
| * @param incomingContentStrategy incoming content length strategy. If {@code null} |
| * {@link DefaultContentLengthStrategy#INSTANCE} will be used. |
| * @param outgoingContentStrategy outgoing content length strategy. If {@code null} |
| * {@link DefaultContentLengthStrategy#INSTANCE} will be used. |
| * @param requestParserFactory request parser factory. If {@code null} |
| * {@link DefaultHttpRequestParserFactory#INSTANCE} will be used. |
| * @param responseWriterFactory response writer factory. If {@code null} |
| * {@link DefaultHttpResponseWriterFactory#INSTANCE} will be used. |
| */ |
| public DefaultBHttpServerConnection( |
| final String scheme, |
| final Http1Config http1Config, |
| final CharsetDecoder charDecoder, |
| final CharsetEncoder charEncoder, |
| final ContentLengthStrategy incomingContentStrategy, |
| final ContentLengthStrategy outgoingContentStrategy, |
| final HttpMessageParserFactory<ClassicHttpRequest> requestParserFactory, |
| final HttpMessageWriterFactory<ClassicHttpResponse> responseWriterFactory) { |
| super(http1Config, charDecoder, charEncoder); |
| this.scheme = scheme; |
| this.requestParser = (requestParserFactory != null ? requestParserFactory : |
| DefaultHttpRequestParserFactory.INSTANCE).create(http1Config); |
| this.responseWriter = (responseWriterFactory != null ? responseWriterFactory : |
| DefaultHttpResponseWriterFactory.INSTANCE).create(); |
| this.incomingContentStrategy = incomingContentStrategy != null ? incomingContentStrategy : |
| DefaultContentLengthStrategy.INSTANCE; |
| this.outgoingContentStrategy = outgoingContentStrategy != null ? outgoingContentStrategy : |
| DefaultContentLengthStrategy.INSTANCE; |
| } |
| |
| public DefaultBHttpServerConnection( |
| final String scheme, |
| final Http1Config http1Config, |
| final CharsetDecoder charDecoder, |
| final CharsetEncoder charEncoder) { |
| this(scheme, http1Config, charDecoder, charEncoder, null, null, null, null); |
| } |
| |
| public DefaultBHttpServerConnection( |
| final String scheme, |
| final Http1Config http1Config) { |
| this(scheme, http1Config, null, null); |
| } |
| |
| protected void onRequestReceived(final ClassicHttpRequest request) { |
| } |
| |
| protected void onResponseSubmitted(final ClassicHttpResponse response) { |
| } |
| |
| @Override |
| public void bind(final Socket socket) throws IOException { |
| super.bind(socket); |
| } |
| |
| @Override |
| public ClassicHttpRequest receiveRequestHeader() throws HttpException, IOException { |
| final SocketHolder socketHolder = ensureOpen(); |
| final ClassicHttpRequest request = this.requestParser.parse(this.inBuffer, socketHolder.getInputStream()); |
| final ProtocolVersion transportVersion = request.getVersion(); |
| if (transportVersion != null && transportVersion.greaterEquals(HttpVersion.HTTP_2)) { |
| throw new UnsupportedHttpVersionException(transportVersion); |
| } |
| request.setScheme(this.scheme); |
| this.version = transportVersion; |
| onRequestReceived(request); |
| incrementRequestCount(); |
| return request; |
| } |
| |
| @Override |
| public void receiveRequestEntity(final ClassicHttpRequest request) |
| throws HttpException, IOException { |
| Args.notNull(request, "HTTP request"); |
| final SocketHolder socketHolder = ensureOpen(); |
| |
| final long len = this.incomingContentStrategy.determineLength(request); |
| if (len == ContentLengthStrategy.UNDEFINED) { |
| return; |
| } |
| request.setEntity(createIncomingEntity(request, this.inBuffer, socketHolder.getInputStream(), len)); |
| } |
| |
| @Override |
| public void sendResponseHeader(final ClassicHttpResponse response) |
| throws HttpException, IOException { |
| Args.notNull(response, "HTTP response"); |
| final SocketHolder socketHolder = ensureOpen(); |
| this.responseWriter.write(response, this.outbuffer, socketHolder.getOutputStream()); |
| onResponseSubmitted(response); |
| if (response.getCode() >= HttpStatus.SC_SUCCESS) { |
| incrementResponseCount(); |
| } |
| } |
| |
| @Override |
| public void sendResponseEntity(final ClassicHttpResponse response) |
| throws HttpException, IOException { |
| Args.notNull(response, "HTTP response"); |
| final SocketHolder socketHolder = ensureOpen(); |
| final HttpEntity entity = response.getEntity(); |
| if (entity == null) { |
| return; |
| } |
| final long len = this.outgoingContentStrategy.determineLength(response); |
| try (final OutputStream outStream = createContentOutputStream(len, this.outbuffer, socketHolder.getOutputStream(), entity.getTrailers())) { |
| entity.writeTo(outStream); |
| } |
| } |
| } |