java httpclient example

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26 Aug 2017

1package com.zetcode;
2
3import com.fasterxml.jackson.databind.ObjectMapper;
4
5import java.io.IOException;
6import java.net.URI;
7import java.net.http.HttpClient;
8import java.net.http.HttpRequest;
9import java.net.http.HttpResponse;
10import java.util.HashMap;
11
12public class PostRequest {
13
14    public static void main(String[] args) throws IOException, InterruptedException {
15
16        var values = new HashMap<String, String>() {{
17            put("name", "John Doe");
18            put ("occupation", "gardener");
19        }};
20
21        var objectMapper = new ObjectMapper();
22        String requestBody = objectMapper
23                .writeValueAsString(values);
24
25        HttpClient client = HttpClient.newHttpClient();
26        HttpRequest request = HttpRequest.newBuilder()
27                .uri(URI.create("https://httpbin.org/post"))
28                .POST(HttpRequest.BodyPublishers.ofString(requestBody))
29                .build();
30
31        HttpResponse<String> response = client.send(request,
32                HttpResponse.BodyHandlers.ofString());
33
34        System.out.println(response.body());
35    }
36}

source

Elizabeth

02 Apr 2019

1package com.zetcode;
2
3import java.io.IOException;
4import java.net.URI;
5import java.net.http.HttpClient;
6import java.net.http.HttpRequest;
7import java.net.http.HttpResponse;
8
9public class GetRequestJava11 {
10
11    public static void main(String[] args) throws IOException, InterruptedException {
12
13        HttpClient client = HttpClient.newHttpClient();
14        HttpRequest request = HttpRequest.newBuilder()
15                .uri(URI.create("http://webcode.me"))
16                .build();
17
18        HttpResponse<String> response = client.send(request,
19                HttpResponse.BodyHandlers.ofString());
20
21        System.out.println(response.body());
22    }
23}
24

source

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