[英]How to parse response to POJO with this response body
春天和一切的新手。 尝试命中端点并在响应字段中检索信息。 但是我不知道如何获取信息而不是仅仅返回整个响应,因为它不嵌套在键/值中?
我正在使用rest模板+ MappingJacksonHttpMessageConverter
。 我想将信息映射到响应pojo中,只是不确定如何进行进一步操作,或者不确定我是否在正确的方向上。 下面的示例代码。
邮递员回应:
{
"success": true,
"message": "Success",
"body": {
"response": "TopStatus=Completed,TopRanking=4 - reqs met, TopDate=2014-04-23,TopTime=11:00 AM,TopEndTime=1:30 AM"
},
"status": 200
}
试图映射到Pojo的方法
public TopStatus getTopAppStatus(int topId, Status status) {
HttpHeaders headers = new HttpHeaders();
headers.setContentType(MediaType.APPLICATION_JSON);
HashMap<String, String> statusObj = new HashMap<String, String>();
statusObj.put("topStatus", "Fail");
statusObj.put("topId", "93");
RestTemplate rt = getRestTemplate();
URI uri = new URI("urihere");
HttpEntity<HashMap> entity = new HttpEntity<HashMap>(statusObj, headers);
TopStatus response = rt.postForObject(uri, entity, TopStatus.class);
return response;
}
我如何设置的Pojo示例
@JsonIgnoreProperties(ignoreUnknown = true)
public class TopStatus{
@JsonProperty("TopStatus")
private String topStatus;
rest of fields, setters, getters etc...
}
您可以使用postForEntity()方法返回ResponseEntity类型的对象,而不是postForObject()
您需要进行一些小的更改,以将响应主体映射到POJO
ResponseEntity<TopStatus> response = rt.postForEntity(uri, entity, TopStatus.class);
TopStatus topStatusResponse = response.getBody();
return topStatusResponse;
这应该仅返回预期的POJO。
尝试使用下面的代码。
public TopStatus getTopAppStatus(int topId, Status status) {
HttpHeaders headers = new HttpHeaders();
headers.setContentType(MediaType.APPLICATION_JSON);
TopStatus model = new TopStatus();
model.setTopStatus("Fail");
model.setTopId("93");
RestTemplate rt = getRestTemplate();
URI uri = new URI("urihere");
HttpEntity<> entity = new HttpEntity<HashMap>(model, headers);
TopStatus response = rt.postForObject(uri, entity, TopStatus.class);
return response;
}
修改后的代码。
public TopStatus getTopAppStatus(int topId, Status status) {
RestTemplate restTemplate = new RestTemplate();
// Add the Jackson message converter
restTemplate.getMessageConverters().add(new MappingJackson2HttpMessageConverter());
// create request body
//Here your TopStatus object converted to json. you can use Jackson to do this.
String input = "{\"topStatus\":\"Fail\",\"topId\":\"93\"}";
// set headers
HttpHeaders headers = new HttpHeaders();
headers.setContentType(MediaType.APPLICATION_JSON);
HttpEntity<String> entity = new HttpEntity<String>(input, headers);
URI uri = new URI("urihere");
ResponseEntity<TopStatus> response = restTemplate
.exchange(uri, HttpMethod.POST, entity, TopStatus.class);
return response;
}
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