Spring HTTP客户端 [英] Spring HTTP Client
本文介绍了Spring HTTP客户端的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我是Spring新手,我需要我的Java应用程序通过HTTP连接到另一个API(JSON,RESTful)。 Spring Framework是否有类似JSON HTTP Rest Client的东西? Spring开发人员通常使用什么?
I am new to Spring and I need my Java app to connect to another API over HTTP (JSON, RESTful). Does the Spring Framework have anything like a JSON HTTP Rest Client? What do Spring developers usually use?
推荐答案
我通过以下方式实现了我的需求:
I achieved what I needed with the following:
import org.springframework.http.HttpEntity;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpMethod;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.client.RestTemplate;
public class RestClient {
private String server = "http://localhost:3000";
private RestTemplate rest;
private HttpHeaders headers;
private HttpStatus status;
public RestClient() {
this.rest = new RestTemplate();
this.headers = new HttpHeaders();
headers.add("Content-Type", "application/json");
headers.add("Accept", "*/*");
}
public String get(String uri) {
HttpEntity<String> requestEntity = new HttpEntity<String>("", headers);
ResponseEntity<String> responseEntity = rest.exchange(server + uri, HttpMethod.GET, requestEntity, String.class);
this.setStatus(responseEntity.getStatusCode());
return responseEntity.getBody();
}
public String post(String uri, String json) {
HttpEntity<String> requestEntity = new HttpEntity<String>(json, headers);
ResponseEntity<String> responseEntity = rest.exchange(server + uri, HttpMethod.POST, requestEntity, String.class);
this.setStatus(responseEntity.getStatusCode());
return responseEntity.getBody();
}
public void put(String uri, String json) {
HttpEntity<String> requestEntity = new HttpEntity<String>(json, headers);
ResponseEntity<String> responseEntity = rest.exchange(server + uri, HttpMethod.PUT, requestEntity, null);
this.setStatus(responseEntity.getStatusCode());
}
public void delete(String uri) {
HttpEntity<String> requestEntity = new HttpEntity<String>("", headers);
ResponseEntity<String> responseEntity = rest.exchange(server + uri, HttpMethod.DELETE, requestEntity, null);
this.setStatus(responseEntity.getStatusCode());
}
public HttpStatus getStatus() {
return status;
}
public void setStatus(HttpStatus status) {
this.status = status;
}
}
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