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:

⏎ org/apache/hc/core5/http/io/entity/ByteBufferEntity.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.io.entity;

import java.io.IOException;
import java.io.InputStream;
import java.nio.ByteBuffer;

import org.apache.hc.core5.http.ContentType;
import org.apache.hc.core5.util.Args;

/**
 * An entity that delivers the contents of a {@link ByteBuffer}.
 */
public class ByteBufferEntity extends AbstractHttpEntity {

    private final ByteBuffer buffer;
    private final long length;

    public ByteBufferEntity(final ByteBuffer buffer, final ContentType contentType, final String contentEncoding) {
        super(contentType, contentEncoding);
        Args.notNull(buffer, "Source byte buffer");
        this.buffer = buffer;
        this.length = buffer.remaining();
    }

    public ByteBufferEntity(final ByteBuffer buffer, final ContentType contentType) {
        this(buffer, contentType, null);
    }

    @Override
    public final boolean isRepeatable() {
        return false;
    }

    @Override
    public final long getContentLength() {
        return length;
    }

    @Override
    public final InputStream getContent() throws IOException, UnsupportedOperationException {
        return new InputStream() {

            @Override
            public int read() throws IOException {
                if (!buffer.hasRemaining()) {
                    return -1;
                }
                return buffer.get() & 0xFF;
            }

            @Override
            public int read(final byte[] bytes, final int off, final int len) throws IOException {
                if (!buffer.hasRemaining()) {
                    return -1;
                }
                final int chunk = Math.min(len, buffer.remaining());
                buffer.get(bytes, off, chunk);
                return chunk;
            }
        };
    }

    @Override
    public final boolean isStreaming() {
        return false;
    }

    @Override
    public final void close() throws IOException {
    }

}

⏎ org/apache/hc/core5/http/io/entity/ByteBufferEntity.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
Download 

⇒ Donwload httpcomponents-client-4.5.3-bin.zip

⇐ Download and Install HttpComponents Core Source Package

⇑ Download and Review Apache HttpComponents-*.jar

⇑⇑ FAQ for Apache HttpComponents JAR Library