nVisual告警系统对接示例

public String getNvisualToken(String username, String password){
        //获取token
        String token = "";
        Map<String, String> map = new HashMap<String, String>();
        map.put("username",username);
        map.put("password",password);
        String jsonString = JSON.toJSONString(map);
        try {
            String responseToken = HttpUtil.postJSON(nvisualApiConfig.getNvisualUrl()+"/wapi/v1/authenticate",jsonString);
            Map responseTokenMap = JSONObject.parseObject(responseToken,Map.class);
            if("200".equals(responseTokenMap.get("code").toString())){
                Map<String, Object> data = (Map<String, Object>)responseTokenMap.get("data");
                token = (String) data.get("access_token");
            }
        } catch (Exception e) {
            token = "";
        }
        return token;
    
}

public static String postJSON(String url,String paramjson){
        HttpPost post = new HttpPost(url);
        HttpClient httpClient = HttpClientBuilder.create().build();
        try {
            StringEntity stringEntity = new StringEntity(paramjson, ContentType.APPLICATION_JSON);
            post.setEntity(stringEntity);
            HttpResponse response = httpClient.execute(post);
            if(response.getStatusLine().getStatusCode()==200){
                //获取响应的内容对象
                HttpEntity httpEntity = response.getEntity();
                //转换结果位字符串
                return EntityUtils.toString(httpEntity);
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
        return  null;
   
}

public static String postJSON(String url,String paramjson,String token){
        HttpPost post = new HttpPost(url);
        HttpClient httpClient = HttpClientBuilder.create().build();
        try {
            StringEntity stringEntity = new StringEntity(paramjson, ContentType.APPLICATION_JSON);
            post.setEntity(stringEntity);
            post.addHeader("Authorization", token);
            // 传输的类型
            post.addHeader("Content-Type", "application/json");
            HttpResponse response = httpClient.execute(post);
            if(response.getStatusLine().getStatusCode()==200){
                //获取响应的内容对象
                HttpEntity httpEntity = response.getEntity();
                //转换结果位字符串
                return EntityUtils.toString(httpEntity);
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
        return  null;
    
}

//入参body
  Map<String, Object> npvNameAndValueMap = new HashMap<>();
  npvNameAndValueMap.put("name","告警源");//字段名
  npvNameAndValueMap.put("value",resource);//字段值
  List<Long> nvisualObjectIdByNameAndValue = getNvisualObjectIdByNameAndValue(npvNameAndValueMap, token);

public List<Long> getNvisualObjectIdByNameAndValue(Map<String, Object> map,String token){
        String jsonString = JSON.toJSONString(map);
        String json = HttpUtil.postJSON(nvisualApiConfig.getNvisualUrl() + "/wapi/v1/node_properties/get_node_id_by_name_and_value", jsonString, "Bearer "+token);
        List<Long> list = JSONArray.parseArray(json, Long.class);
        return list;
    
}