HttpComponents Core Source Code Files

HttpComponents Core Source Code Files are provided in the source package file, httpcomponents-core-5.2-src.zip.

You can download httpcomponents-core-5.2-src.zip as described in the previous tutorial and go to the "httpcore5/src" sub-folder to view Source Code files.

You can also browse HttpComponents Core Source Code below:

✍: FYIcenter.com

org/apache/hc/core5/http/impl/io/DefaultBHttpServerConnection.java

/*
 * ====================================================================
 * 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());
        if (request == null) {
            return null;
        }
        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);
        }
    }
}

org/apache/hc/core5/http/impl/io/DefaultBHttpServerConnection.java

Or download all them as a single archive file:

File name: httpcore5-5.2-fyi.zip
File size: 812477 bytes
Release date: 2022-11-10
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