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HttpComponents Client Source Code Files
HttpComponents Client Source Code Files are provided in the source package file, httpcomponents-client-5.2-src.zip.
You can download httpcomponents-client-5.2-src.zip as described in the previous tutorial and go to the "httpclient5/src" sub-folder to view Source Code files.
You can also browse HttpComponents Client Source Code below:
✍: FYIcenter.com
⏎ org/apache/hc/client5/http/impl/classic/ResponseEntityProxy.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.client5.http.impl.classic; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.net.SocketException; import java.util.Arrays; import java.util.List; import org.apache.hc.client5.http.classic.ExecRuntime; import org.apache.hc.core5.function.Supplier; import org.apache.hc.core5.http.ClassicHttpResponse; import org.apache.hc.core5.http.Header; import org.apache.hc.core5.http.HttpEntity; import org.apache.hc.core5.http.impl.io.ChunkedInputStream; import org.apache.hc.core5.http.io.EofSensorInputStream; import org.apache.hc.core5.http.io.EofSensorWatcher; import org.apache.hc.core5.http.io.entity.HttpEntityWrapper; class ResponseEntityProxy extends HttpEntityWrapper implements EofSensorWatcher { private final ExecRuntime execRuntime; public static void enhance(final ClassicHttpResponse response, final ExecRuntime execRuntime) { final HttpEntity entity = response.getEntity(); if (entity != null && entity.isStreaming() && execRuntime != null) { response.setEntity(new ResponseEntityProxy(entity, execRuntime)); } } ResponseEntityProxy(final HttpEntity entity, final ExecRuntime execRuntime) { super(entity); this.execRuntime = execRuntime; } private void cleanup() throws IOException { if (this.execRuntime != null) { if (this.execRuntime.isEndpointConnected()) { this.execRuntime.disconnectEndpoint(); } this.execRuntime.discardEndpoint(); } } private void discardConnection() { if (this.execRuntime != null) { this.execRuntime.discardEndpoint(); } } public void releaseConnection() { if (this.execRuntime != null) { this.execRuntime.releaseEndpoint(); } } @Override public boolean isRepeatable() { return false; } @Override public InputStream getContent() throws IOException { return new EofSensorInputStream(super.getContent(), this); } @Override public void writeTo(final OutputStream outStream) throws IOException { try { super.writeTo(outStream != null ? outStream : NullOutputStream.INSTANCE); releaseConnection(); } catch (final IOException | RuntimeException ex) { discardConnection(); throw ex; } finally { cleanup(); } } @Override public boolean eofDetected(final InputStream wrapped) throws IOException { try { // there may be some cleanup required, such as // reading trailers after the response body: if (wrapped != null) { wrapped.close(); } releaseConnection(); } catch (final IOException | RuntimeException ex) { discardConnection(); throw ex; } finally { cleanup(); } return false; } @Override public boolean streamClosed(final InputStream wrapped) throws IOException { try { final boolean open = execRuntime != null && execRuntime.isEndpointAcquired(); // this assumes that closing the stream will // consume the remainder of the response body: try { if (wrapped != null) { wrapped.close(); } releaseConnection(); } catch (final SocketException ex) { if (open) { throw ex; } } } catch (final IOException | RuntimeException ex) { discardConnection(); throw ex; } finally { cleanup(); } return false; } @Override public boolean streamAbort(final InputStream wrapped) throws IOException { cleanup(); return false; } @Override public Supplier<List<? extends Header>> getTrailers() { try { final InputStream underlyingStream = super.getContent(); return () -> { final Header[] footers; if (underlyingStream instanceof ChunkedInputStream) { final ChunkedInputStream chunkedInputStream = (ChunkedInputStream) underlyingStream; footers = chunkedInputStream.getFooters(); } else { footers = new Header[0]; } return Arrays.asList(footers); }; } catch (final IOException e) { throw new IllegalStateException("Unable to retrieve input stream", e); } } @Override public void close() throws IOException { try { // HttpEntity.close will close the underlying resource. Closing a reusable request stream results in // draining remaining data, allowing for connection reuse. super.close(); releaseConnection(); } catch (final IOException | RuntimeException ex) { discardConnection(); throw ex; } finally { cleanup(); } } private static final class NullOutputStream extends OutputStream { private static final NullOutputStream INSTANCE = new NullOutputStream(); private NullOutputStream() {} @Override public void write(@SuppressWarnings("unused") final int byteValue) { // no-op } @Override public void write(@SuppressWarnings("unused") final byte[] buffer) { // no-op } @Override public void write( @SuppressWarnings("unused") final byte[] buffer, @SuppressWarnings("unused") final int off, @SuppressWarnings("unused") final int len) { // no-op } @Override public void flush() { // no-op } @Override public void close() { // no-op } @Override public String toString() { return "NullOutputStream{}"; } } }
⏎ org/apache/hc/client5/http/impl/classic/ResponseEntityProxy.java
Or download all them as a single archive file:
File name: httpclient5-5.2-fyi.zip File size: 625318 bytes Release date: 2022-11-10 Download
⇒ Download and Install HttpComponents Core Binary Package
⇐ Download and Install HttpComponents Client Source Package
2023-03-26, 13638👍, 1💬
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