[英]How to put http response into a Set
如何將http響應放入Employee類型的集合(集合集)中。
我正在獲取數據作為HTTP響應,但是我必須將其放入Employee類型的set(Collection Set)中
public Set<Employee> getAllEmployees() throws ServiceException {
setOtherAppDetails();
HttpStatus status = HttpStatus.OK;
Set<Employee> employees = new HashSet<Employee>();
try {
System.out.println("Inside newly created DNG controller method");
String postUrl = "http://localhost:8081/otherApp/empserv/list/dngEmployees";
HttpClient httpClient = HttpClientBuilder.create().build();
HttpPost post = new HttpPost(postUrl);
HttpResponse response = httpClient.execute(post);
HttpEntity entity = response.getEntity();
System.out.println("responseBody =" +EntityUtils.toString(entity));
// employees.add((Employee)response); wants to do something like this but its not working, sorry if it seems silly
} catch (IOException exception) {
exception.printStackTrace();
status = HttpStatus.INTERNAL_SERVER_ERROR;
}
return employees;
}
響應應保存在Set中
您可以使用庫Jackson來將json解析為Set。
如果您先使用Maven導入依賴項
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>2.9.9.2</version>
</dependency>
然后,您可以解析http響應,如下所示:
ObjectMapper mapper = new ObjectMapper();
Set<Employee> myObjects = mapper.readValue(EntityUtils.toString(entity), new TypeReference<Set<Employee>>(){});
對象Employee需要准確地表示響應
這里有更多例子
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