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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/impl/nio/LengthDelimitedDecoder.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.nio; import java.io.IOException; import java.nio.ByteBuffer; import java.nio.channels.FileChannel; import java.nio.channels.ReadableByteChannel; import org.apache.hc.core5.http.ConnectionClosedException; import org.apache.hc.core5.http.impl.BasicHttpTransportMetrics; import org.apache.hc.core5.http.nio.FileContentDecoder; import org.apache.hc.core5.http.nio.SessionInputBuffer; import org.apache.hc.core5.util.Args; /** * Content decoder that cuts off after a defined number of bytes. This class * is used to receive content of HTTP messages where the end of the content * entity is determined by the value of the {@code Content-Length header}. * Entities transferred using this stream can be maximum {@link Long#MAX_VALUE} * long. * <p> * This decoder is optimized to transfer data directly from the underlying * I/O session's channel to a {@link FileChannel}, whenever * possible avoiding intermediate buffering in the session buffer. * * @since 4.0 */ public class LengthDelimitedDecoder extends AbstractContentDecoder implements FileContentDecoder { private final long contentLength; private long len; public LengthDelimitedDecoder( final ReadableByteChannel channel, final SessionInputBuffer buffer, final BasicHttpTransportMetrics metrics, final long contentLength) { super(channel, buffer, metrics); Args.notNegative(contentLength, "Content length"); this.contentLength = contentLength; } @Override public int read(final ByteBuffer dst) throws IOException { Args.notNull(dst, "Byte buffer"); if (isCompleted()) { return -1; } final int chunk = (int) Math.min((this.contentLength - this.len), Integer.MAX_VALUE); final int bytesRead; if (this.buffer.hasData()) { final int maxLen = Math.min(chunk, this.buffer.length()); bytesRead = this.buffer.read(dst, maxLen); } else { bytesRead = readFromChannel(dst, chunk); } if (bytesRead == -1) { setCompleted(); if (this.len < this.contentLength) { throw new ConnectionClosedException( "Premature end of Content-Length delimited message body (expected: %d; received: %d)", this.contentLength, this.len); } } this.len += bytesRead; if (this.len >= this.contentLength) { this.completed = true; } if (this.completed && bytesRead == 0) { return -1; } return bytesRead; } @Override public long transfer( final FileChannel dst, final long position, final long count) throws IOException { if (dst == null) { return 0; } if (isCompleted()) { return -1; } final int chunk = (int) Math.min((this.contentLength - this.len), Integer.MAX_VALUE); final long bytesRead; if (this.buffer.hasData()) { final int maxLen = Math.min(chunk, this.buffer.length()); dst.position(position); bytesRead = this.buffer.read(dst, count < maxLen ? (int)count : maxLen); } else { if (this.channel.isOpen()) { if (position > dst.size()) { throw new IOException(String.format("Position past end of file [%d > %d]", position, dst.size())); } bytesRead = dst.transferFrom(this.channel, position, count < chunk ? count : chunk); } else { bytesRead = -1; } if (bytesRead > 0) { this.metrics.incrementBytesTransferred(bytesRead); } } if (bytesRead == -1) { setCompleted(); if (this.len < this.contentLength) { throw new ConnectionClosedException( "Premature end of Content-Length delimited message body (expected: %d; received: %d)", this.contentLength, this.len); } } this.len += bytesRead; if (this.len >= this.contentLength) { this.completed = true; } return bytesRead; } @Override public String toString() { final StringBuilder sb = new StringBuilder(); sb.append("[content length: "); sb.append(this.contentLength); sb.append("; pos: "); sb.append(this.len); sb.append("; completed: "); sb.append(this.completed); sb.append("]"); return sb.toString(); } }
⏎ org/apache/hc/core5/http/impl/nio/LengthDelimitedDecoder.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, 17847👍, 0💬
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