mitao
2025-02-21 31573d6180d15ef65ed0df9c2732495f40b12663
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
package com.panzhihua.common.utlis;
 
import java.security.NoSuchAlgorithmException;
 
import javax.net.ssl.SSLContext;
 
import org.apache.http.client.HttpClient;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.config.Registry;
import org.apache.http.config.RegistryBuilder;
import org.apache.http.conn.socket.ConnectionSocketFactory;
import org.apache.http.conn.socket.LayeredConnectionSocketFactory;
import org.apache.http.conn.socket.PlainConnectionSocketFactory;
import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.impl.conn.PoolingHttpClientConnectionManager;
 
import com.panzhihua.common.constants.HttpConstant;
 
/**
 * @program: springcloud_k8s_panzhihuazhihuishequ
 * @description:
 * @author: huang.hongfa weixin hhf9596 qq 959656820
 * @create: 2021-01-08 10:26
 **/
public class HttpClientFactory {
 
    private static HttpClientFactory instance = null;
 
    private HttpClientFactory() {}
 
    public synchronized static HttpClientFactory getInstance() {
        if (instance == null) {
            instance = new HttpClientFactory();
        }
        return instance;
    }
 
    public synchronized HttpClient getHttpClient() {
        HttpClient httpClient = null;
        if (HttpConstant.IS_KEEP_ALIVE) {
            // 获取长连接
            httpClient = new KeepAliveHttpClientBuilder().getKeepAliveHttpClient();
        } else {
            // 获取短连接
            httpClient = new HttpClientBuilder().getHttpClient();
        }
        return httpClient;
    }
 
    public HttpPost httpPost(String httpUrl) {
        HttpPost httpPost = null;
        httpPost = new HttpPost(httpUrl);
        if (HttpConstant.IS_KEEP_ALIVE) {
            // 设置为长连接,服务端判断有此参数就不关闭连接。
            httpPost.setHeader("Connection", "Keep-Alive");
        }
        return httpPost;
    }
 
    private static class KeepAliveHttpClientBuilder {
 
        private static HttpClient httpClient;
 
        /**
         * 获取http长连接
         */
        private synchronized HttpClient getKeepAliveHttpClient() {
            if (httpClient == null) {
                LayeredConnectionSocketFactory sslsf = null;
                try {
                    sslsf = new SSLConnectionSocketFactory(SSLContext.getDefault());
                } catch (NoSuchAlgorithmException e) {
                    e.printStackTrace();
                }
 
                Registry<ConnectionSocketFactory> socketFactoryRegistry =
                    RegistryBuilder.<ConnectionSocketFactory>create().register("https", sslsf)
                        .register("http", new PlainConnectionSocketFactory()).build();
                PoolingHttpClientConnectionManager cm = new PoolingHttpClientConnectionManager(socketFactoryRegistry);
                cm.setMaxTotal(HttpConstant.MAX_TOTAL);
                cm.setDefaultMaxPerRoute(HttpConstant.MAX_CONN_PER_ROUTE);
 
                RequestConfig requestConfig = RequestConfig.custom().setConnectTimeout(HttpConstant.CONNECT_TIMEOUT)
                    .setSocketTimeout(HttpConstant.SOCKET_TIMEOUT).build();
                // 创建连接
                httpClient =
                    HttpClients.custom().setDefaultRequestConfig(requestConfig).setConnectionManager(cm).build();
            }
 
            return httpClient;
        }
    }
 
    private static class HttpClientBuilder {
        private HttpClient httpClient;
 
        /**
         * 获取http短连接
         */
        private synchronized HttpClient getHttpClient() {
            if (httpClient == null) {
                RequestConfig requestConfig = RequestConfig.custom()
                    // 设置请求超时时间
                    .setConnectTimeout(HttpConstant.CONNECT_TIMEOUT)
                    // 设置响应超时时间
                    .setSocketTimeout(HttpConstant.SOCKET_TIMEOUT).build();
                // 创建连接
                httpClient = HttpClients.custom().setDefaultRequestConfig(requestConfig).build();
            }
            return httpClient;
        }
    }
 
}