Spring Boot：使用Rest模板管理多个endpoint？

Question

在我的Spring Boot项目中，我在application-dev.yml文件中设置了几个endpoint（它们引用一些GET或POST REST API）。

spring:
    username: xxx
    password: acb132
    route:
      source:
        protocol: https://
        ip: 10.xxx.y.zz/
        root: "swdfr/"
        paths: >
            - "ofh/ert/hAFG5"
            - "ofh/ert/ryt54"

我想用一个方法在一个服务类中管理这些endpoint。目前我已经实现了这个解决方案：

//REST CONTROLLER
    @GetMapping("/Multiple_Get")
    public void manageGetEndpointsWithRestTemplate() throws Exception{
    final String methodName = "manageGetEndpointsWithRestTemplate()";
        try {
            service.manageGetEndpointsWithRestTemplate();
        } catch (final Exception e) {
            this.errorLog(methodName, e);
            throw e;
        }   
    }
    
//SERVICE
    @ResponseBody
    public void manageGetEndpointsWithRestTemplate() {
        final String methodName = "manageGetEndpointsWithRestTemplate()";
        try {
            String urlGet1 = protocol + ip + root + paths.get(0);
            String urlGet2 = protocol + ip + root + paths.get(1);

            HttpHeaders headers = new HttpHeaders();
            headers.setBasicAuth(username, password);
            HttpEntity request = new HttpEntity(headers);

            try {
                RestTemplate restTemplate;
                if (urlGet1.startsWith("https") || urlGet2.startsWith("https")) {
                    restTemplate = getRestTemplateForSelfSsl();
                } else {
                    restTemplate = new RestTemplate();
                }

                // GET1
                ResponseEntity<String> response1 = restTemplate.exchange(urlGet1, HttpMethod.GET, request,
                        String.class);
                HttpStatus statusCode1 = response1.getStatusCode();
                logger.info("STATUS GET1: " + statusCode1);
                
                // GET2
                ResponseEntity<String> response2 = restTemplate.exchange(urlGet2, HttpMethod.GET, request,
                        String.class);
                HttpStatus statusCode2 = response2.getStatusCode();
                logger.info("STATUS GET2: " + statusCode2);
                
            } catch (HttpStatusCodeException e) {
                logger.error(e.getMessage());
            }
        } catch (Exception e) {
            logger.error(e.getMessage());
        }
    }

我希望使用一个单一的方法，使其尽可能具有通用性，特别是当我必须管理大量endpoint时。你有什么想法吗？提前致谢

Answer 1

您可以遍历所有路径并执行公共代码，因为您正在为所有路径执行get请求。

@ResponseBody
public void manageGetEndpointsWithRestTemplate() {
    final String methodName = "manageGetEndpointsWithRestTemplate()";
    List<String> paths = new ArrayList<>();
    try {
        paths.forEach(path -> {
            String urlGet = protocol + ip + root + path;
            HttpHeaders headers = new HttpHeaders();
            headers.setBasicAuth(username, password);
            HttpEntity request = new HttpEntity(headers);
            try {
                RestTemplate restTemplate = urlGet.startsWith("https") ? getRestTemplateForSelfSsl() : new RestTemplate();
                ResponseEntity<String> response = restTemplate.exchange(urlGet, HttpMethod.GET, request,
                        String.class);
                HttpStatus statusCode = response.getStatusCode();
                logger.info("STATUS GET - {} : {}", urlGet, statusCode);
            } catch (HttpStatusCodeException e) {
                logger.error(e.getMessage());
            }
        });
    } catch (Exception e) {
        logger.error(e.getMessage());
    }
}

如果要使用post或任何其他HTTP方法，请在application-dev.yml文件中提及paths。在传入resttemplate.exchange()之前，添加一些额外的逻辑来确定http.xxx。