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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/nio/entity/AbstractCharAsyncEntityProducer.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.nio.entity; import java.io.IOException; import java.nio.ByteBuffer; import java.nio.CharBuffer; import java.nio.charset.Charset; import java.nio.charset.CharsetEncoder; import java.nio.charset.CoderResult; import java.nio.charset.StandardCharsets; import java.util.Set; import org.apache.hc.core5.annotation.Contract; import org.apache.hc.core5.annotation.ThreadingBehavior; import org.apache.hc.core5.http.ContentType; import org.apache.hc.core5.http.nio.AsyncEntityProducer; import org.apache.hc.core5.http.nio.DataStreamChannel; import org.apache.hc.core5.http.nio.StreamChannel; import org.apache.hc.core5.util.Args; /** * Abstract text entity content producer. * * @since 5.0 */ @Contract(threading = ThreadingBehavior.SAFE_CONDITIONAL) public abstract class AbstractCharAsyncEntityProducer implements AsyncEntityProducer { private static final CharBuffer EMPTY = CharBuffer.wrap(new char[0]); enum State { ACTIVE, FLUSHING, END_STREAM } private final ByteBuffer bytebuf; private final int fragmentSizeHint; private final ContentType contentType; private final CharsetEncoder charsetEncoder; private volatile State state; public AbstractCharAsyncEntityProducer( final int bufferSize, final int fragmentSizeHint, final ContentType contentType) { Args.positive(bufferSize, "Buffer size"); this.fragmentSizeHint = fragmentSizeHint >= 0 ? fragmentSizeHint : 0; this.bytebuf = ByteBuffer.allocate(bufferSize); this.contentType = contentType; final Charset charset = ContentType.getCharset(contentType, StandardCharsets.US_ASCII); this.charsetEncoder = charset.newEncoder(); this.state = State.ACTIVE; } private void flush(final StreamChannel<ByteBuffer> channel) throws IOException { if (bytebuf.position() > 0) { bytebuf.flip(); channel.write(bytebuf); bytebuf.compact(); } } final int writeData(final StreamChannel<ByteBuffer> channel, final CharBuffer src) throws IOException { final int chunk = src.remaining(); if (chunk == 0) { return 0; } final int p = src.position(); final CoderResult result = charsetEncoder.encode(src, bytebuf, false); if (result.isError()) { result.throwException(); } if (!bytebuf.hasRemaining() || bytebuf.position() >= fragmentSizeHint) { flush(channel); } return src.position() - p; } final void streamEnd(final StreamChannel<ByteBuffer> channel) throws IOException { if (state == State.ACTIVE) { state = State.FLUSHING; if (!bytebuf.hasRemaining()) { flush(channel); } final CoderResult result = charsetEncoder.encode(EMPTY, bytebuf, true); if (result.isError()) { result.throwException(); } final CoderResult result2 = charsetEncoder.flush(bytebuf); if (result2.isError()) { result.throwException(); } else if (result.isUnderflow()) { flush(channel); if (bytebuf.position() == 0) { state = State.END_STREAM; channel.endStream(); } } } } /** * Returns the number of bytes immediately available for output. * This method can be used as a hint to control output events * of the underlying I/O session. * * @return the number of bytes immediately available for output */ protected abstract int availableData(); /** * Triggered to signal the ability of the underlying char channel * to accept more data. The data producer can choose to write data * immediately inside the call or asynchronously at some later point. * <p> * {@link StreamChannel} passed to this method is threading-safe. * * @param channel the data channel capable to accepting more data. */ protected abstract void produceData(StreamChannel<CharBuffer> channel) throws IOException; @Override public final String getContentType() { return contentType != null ? contentType.toString() : null; } @Override public String getContentEncoding() { return null; } @Override public long getContentLength() { return -1; } @Override public boolean isChunked() { return false; } @Override public Set<String> getTrailerNames() { return null; } @Override public final int available() { if (state == State.ACTIVE) { return availableData(); } else { synchronized (bytebuf) { return bytebuf.position(); } } } @Override public final void produce(final DataStreamChannel channel) throws IOException { synchronized (bytebuf) { if (state == State.ACTIVE) { produceData(new StreamChannel<CharBuffer>() { @Override public int write(final CharBuffer src) throws IOException { Args.notNull(src, "Buffer"); synchronized (bytebuf) { return writeData(channel, src); } } @Override public void endStream() throws IOException { synchronized (bytebuf) { streamEnd(channel); } } }); } if (state == State.FLUSHING) { final CoderResult result = charsetEncoder.flush(bytebuf); if (result.isError()) { result.throwException(); } else if (result.isOverflow()) { flush(channel); } else if (result.isUnderflow()) { flush(channel); if (bytebuf.position() == 0) { state = State.END_STREAM; channel.endStream(); } } } } } @Override public void releaseResources() { state = State.ACTIVE; charsetEncoder.reset(); } }
⏎ org/apache/hc/core5/http/nio/entity/AbstractCharAsyncEntityProducer.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
2023-03-07, 16876👍, 0💬
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