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Added example of manual connection release

This commit is contained in:
Oleg Kalnichevski 2024-07-15 11:32:09 +02:00
parent cc13243cd3
commit 97247f0c8c
1 changed files with 64 additions and 0 deletions
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httpclient5/src/test/java/org/apache/hc/client5/http/examples/ClientConnectionRelease.java Normal file
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/*
* ====================================================================
* 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.examples;
import org.apache.hc.client5.http.classic.methods.HttpGet;
import org.apache.hc.client5.http.impl.classic.CloseableHttpClient;
import org.apache.hc.client5.http.impl.classic.HttpClients;
import org.apache.hc.core5.http.ClassicHttpResponse;
import org.apache.hc.core5.http.HttpHost;
import org.apache.hc.core5.http.io.entity.EntityUtils;
import org.apache.hc.core5.http.message.StatusLine;
/**
* This example demonstrates how to ensure the release of the underlying HTTP connection back to
* the connection manager in case of a manual processing of HTTP responses.
*/
public class ClientConnectionRelease {
public static void main(final String[] args) throws Exception {
try (final CloseableHttpClient httpclient = HttpClients.createDefault()) {
final HttpHost target = new HttpHost("http", "httpbin.org");
final HttpGet httpget = new HttpGet("/get");
System.out.println("Executing request " + httpget.getMethod() + " " + httpget.getUri());
// Make sure the response is always closed at the end of the message exchange
try (ClassicHttpResponse response = httpclient.executeOpen(target, httpget, null)) {
System.out.println("----------------------------------------");
System.out.println(httpget + "->" + new StatusLine(response));
// Make sure the response content entity has been fully consumed
// in order to ensure the underlying connection can be re-used for
// subsequent requests
EntityUtils.consume(response.getEntity());
}
}
}
}