Java tutorial
/* * ==================================================================== * 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.http.impl.client; import org.apache.http.annotation.Immutable; import org.apache.http.conn.HttpClientConnectionManager; import org.apache.http.impl.conn.PoolingHttpClientConnectionManager; /** * Factory methods for {@link CloseableHttpClient} instances. * @since 4.3 */ @Immutable public class HttpClients { private HttpClients() { super(); } /** * Creates builder object for construction of custom * {@link CloseableHttpClient} instances. */ public static HttpClientBuilder custom() { return HttpClientBuilder.create(); } /** * Creates {@link CloseableHttpClient} instance with default * configuration. */ public static CloseableHttpClient createDefault() { return HttpClientBuilder.create().build(); } /** * Creates {@link CloseableHttpClient} instance with default * configuration based on ssytem properties. */ public static CloseableHttpClient createSystem() { return HttpClientBuilder.create().useSystemProperties().build(); } /** * Creates {@link CloseableHttpClient} instance that implements * the most basic HTTP protocol support. */ public static CloseableHttpClient createMinimal() { return new MinimalHttpClient(new PoolingHttpClientConnectionManager()); } /** * Creates {@link CloseableHttpClient} instance that implements * the most basic HTTP protocol support. */ public static CloseableHttpClient createMinimal(final HttpClientConnectionManager connManager) { return new MinimalHttpClient(connManager); } }