org.mycore.services.http.MCRHttpUtils Maven / Gradle / Ivy
/*
* This file is part of *** M y C o R e ***
* See http://www.mycore.de/ for details.
*
* MyCoRe is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* MyCoRe is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with MyCoRe. If not, see .
*/
package org.mycore.services.http;
import java.net.URI;
import java.nio.charset.StandardCharsets;
import java.util.Locale;
import org.apache.http.HttpHost;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.utils.URIUtils;
import org.apache.http.config.ConnectionConfig;
import org.apache.http.config.SocketConfig;
import org.apache.http.conn.HttpClientConnectionManager;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.impl.conn.PoolingHttpClientConnectionManager;
import org.mycore.common.MCRCoreVersion;
import org.mycore.common.config.MCRConfiguration2;
public class MCRHttpUtils {
public static CloseableHttpClient getHttpClient(HttpClientConnectionManager connectionManager, int maxConnections) {
RequestConfig requestConfig = RequestConfig.custom().setConnectTimeout(30000).setSocketTimeout(30000).build();
ConnectionConfig connectionConfig = ConnectionConfig.custom().setCharset(StandardCharsets.UTF_8).build();
SocketConfig socketConfig = SocketConfig.custom().setTcpNoDelay(true).setSoKeepAlive(true)
.setSoReuseAddress(true).build();
//setup http client
return HttpClients.custom().setConnectionManager(connectionManager)
.setUserAgent(getHttpUserAgent()).setRetryHandler(new MCRRetryHandler(maxConnections))
.setDefaultRequestConfig(requestConfig).setDefaultConnectionConfig(connectionConfig)
.setDefaultSocketConfig(socketConfig).build();
}
public static String getHttpUserAgent() {
return String.format(Locale.ROOT, "MyCoRe/%s (%s; java %s)", MCRCoreVersion.getCompleteVersion(),
MCRConfiguration2.getString("MCR.NameOfProject").orElse("undefined"),
System.getProperty("java.version"));
}
public static PoolingHttpClientConnectionManager getConnectionManager(int maxConnections) {
//configure connection manager
PoolingHttpClientConnectionManager connectionManager = new PoolingHttpClientConnectionManager();
connectionManager.setDefaultMaxPerRoute(maxConnections);
connectionManager.setMaxTotal(maxConnections);
connectionManager.setValidateAfterInactivity(30000);
return connectionManager;
}
public static HttpHost getHttpHost(String serverUrl) {
HttpHost host = null;
//determine host name
HttpGet serverGet = new HttpGet(serverUrl);
final URI requestURI = serverGet.getURI();
if (requestURI.isAbsolute()) {
host = URIUtils.extractHost(requestURI);
}
return host;
}
}