使用RestTemplate发送post和delete请求

使用RestTemplate发送post和delete请求，其中delete请求需要特别支持eg：

RestTemplate restTemplate = new RestTemplate();
    restTemplate.setRequestFactory(new HttpComponentsClientHttpRequestFactory() {
            @Override
            protected HttpUriRequest createHttpUriRequest(HttpMethod httpMethod, URI uri) {
                if (HttpMethod.DELETE == httpMethod) {
                    return new HttpEntityEnclosingDeleteRequest(uri);
                }
                return super.createHttpUriRequest(httpMethod, uri);
            }
        });

        HttpHeaders headers = new HttpHeaders();
        MediaType type2 = MediaType.parseMediaType("application/json; charset=UTF-8");
        headers.setContentType(type2);
        headers.add("Accept", MediaType.APPLICATION_JSON.toString());

        JSONObject jsonObj = new JSONObject();
        value = DigestUtils.sha1Hex(DigestUtils.sha1Hex(value));

        jsonObj.put("field", field2);
        jsonObj.put("value", value);
        jsonObj.put("reportTime", (new Date()).getTime());
        jsonObj.put("type", "OFFLINE");

        HttpEntity<String> formEntity = new HttpEntity<String>(jsonObj.toString(), headers);
        JSONObject res = new JSONObject();
        if(REPORT_ADD.equals(type)){
            res = restTemplate.postForObject(url, formEntity, JSONObject.class);
        }else if(REPORT_DELETE.equals(type)){
            ResponseEntity<JSONObject> exchange = restTemplate.exchange(url, HttpMethod.DELETE, formEntity, JSONObject.class);
            res = exchange.getBody();
        }

        if(res.get("status_code") != null && STATE_CODE_SUCESS.equals(res.get("status_code").toString().trim())){
        }else{
        if(res.get("status_code") == null){
        msg = "未获取到返回状态码!";
        }else if(STATE_CODE_ERROR.equals(res.get("status_code").toString().trim())){
        msg = "系统错误!";
        }else if(STATE_CODE_INVALID.equals(res.get("status_code").toString().trim())){
        msg = "该接口未授权!";
        }else if(STATE_CODE_NO_MATCH.equals(res.get("status_code").toString().trim())){
        msg = "未匹配到（未查找到对应项）!";
        }else if(STATE_CODE_REQUEST_FORMAT_ERROR.equals(res.get("status_code").toString().trim())){
        msg = "请求参数格式校验失败!";
        }
        }
        return msg;