从resttemplate.put获取字符串响应

Question

我在使用Spring RestTemplate时遇到了问题。

现在，我向一个restful服务发送一个PUT请求，该restful服务向我发回重要的信息作为响应。

public String confirmAppointment(String clientMail, String appId)
{
    String myJsonString = doLogin();

    Response r = new Gson().fromJson(myJsonString, Response.class);

    // MultiValueMap<String, String> map;
    // map = new LinkedMultiValueMap<String, String>();

    // JSONObject json;
    // json = new JSONObject();

    // json.put("status","1");

    // map.add("data",json.toString());

    String url = getApiUrl() + "company/" + getCompanyId() + "/appointment/" + appId + "?session_token=" + r.data.session_token;
    String jsonp = "{\"data\":[{\"status\":\"1\"}]}";

    RestTemplate rest = new RestTemplate();

    HttpHeaders headers = new HttpHeaders();
    headers.add("Content-Type", "application/json");
    headers.add("Accept", "*/*");

    HttpEntity<String> requestEntity = new HttpEntity<String>(jsonp, headers);
    ResponseEntity<String> responseEntity = 
            rest.exchange(url, HttpMethod.PUT, requestEntity, String.class);

    return responseEntity.getBody().toString();
}

try {
    restTemplate.put(getApiUrl() + "company/" + getCompanyId() + "/appointment/" + appId + "?session_token=" + r.data.session_token, map);
} catch(RestClientException j)
{
    return j.toString();
}

问题（就像我前面说的）是上面的try/catch没有返回任何响应，但它给了我一个200的响应。

所以现在我问，会有什么问题？

Answer 1

以下是如何检查PUT的响应。必须使用template.exchange（...）完全控制/检查请求/响应。

    String url = "http://localhost:9000/identities/{id}";       
    Long id = 2l;
    String requestBody = "{\"status\":\"testStatus2\"}";
    HttpHeaders headers = new HttpHeaders();
    headers.setContentType(MediaType.APPLICATION_JSON); 
    HttpEntity<String> entity = new HttpEntity<String>(requestBody, headers); 
    ResponseEntity<String> response = template.exchange(url, HttpMethod.PUT, entity, String.class, id);
    // check the response, e.g. Location header,  Status, and body
    response.getHeaders().getLocation();
    response.getStatusCode();
    String responseBody = response.getBody();