add detect facelib

src/main/java/com/huiju/welcome/hardware/service/HikService.java

     // 回调类
     HCNetSDK.FMSGCallBack_V31 fmsgCallBack;
 
+    // 正在使用的人脸库
+    String faceLib;
+
     public boolean init() {
         String deviceIP = Configer.pick("device.ip");
 
         if (!setDeviceAlarm()) return false;
         if (!setDeviceOnline()) return false;
 
+        try {
+            detectFaceLib();
+        } catch (Exception e) {
+            e.printStackTrace();
+            log.error("探测人脸库失败: {}", e.getMessage());
+        }
+
         return true;
     }
 
         HCNetSDK.NET_DVR_XML_CONFIG_INPUT lpInputParam0 = new HCNetSDK.NET_DVR_XML_CONFIG_INPUT();
         lpInputParam0.dwSize = lpInputParam0.size();
 
-        String customFaceLibID = Configer.pick("hik.facelib");
-        String url = "DELETE /ISAPI/Intelligent/FDLib/"+customFaceLibID+"/picture/"+personId+"\r\n";
+        String customFaceLibID = null == faceLib ? Configer.pick("hik.facelib") : faceLib;
+        String url = "DELETE /ISAPI/Intelligent/FDLib/"+customFaceLibID+"/picture/"+personId+"?FDType=custom\r\n";
         HCNetSDK.BYTE_ARRAY ptrUrl = new HCNetSDK.BYTE_ARRAY(url.length());
         System.arraycopy(url.getBytes(), 0, ptrUrl.byValue, 0, url.length());
         ptrUrl.write();
         return;
     }
 
+    public void detectFaceLib() throws Exception {
+        HCNetSDK.NET_DVR_XML_CONFIG_INPUT lpInputParam0 = new HCNetSDK.NET_DVR_XML_CONFIG_INPUT();
+        lpInputParam0.dwSize = lpInputParam0.size();
+
+        String url = "GET /ISAPI/Intelligent/FDLib\r\n";
+        HCNetSDK.BYTE_ARRAY ptrUrl = new HCNetSDK.BYTE_ARRAY(url.length());
+        System.arraycopy(url.getBytes(), 0, ptrUrl.byValue, 0, url.length());
+        ptrUrl.write();
+        lpInputParam0.lpRequestUrl = ptrUrl.getPointer();
+        lpInputParam0.dwRequestUrlLen = url.length();
+        lpInputParam0.write();
+
+        HCNetSDK.NET_DVR_XML_CONFIG_OUTPUT lpOutputParam0 = new HCNetSDK.NET_DVR_XML_CONFIG_OUTPUT();
+        lpOutputParam0.dwSize = lpOutputParam0.size();
+        HCNetSDK.BYTE_ARRAY ptrOutByte = new HCNetSDK.BYTE_ARRAY(HCNetSDK.ISAPI_DATA_LEN);
+        lpOutputParam0.lpOutBuffer = ptrOutByte.getPointer();
+        lpOutputParam0.dwOutBufferSize = HCNetSDK.ISAPI_DATA_LEN;
+        lpOutputParam0.write();
+
+        if (!hcNetSDK.NET_DVR_STDXMLConfig(user, lpInputParam0, lpOutputParam0)) {
+            String error = getHcNetError();
+            log.error("检测人脸库失败: {}", error);
+        }
+
+        byte[] fDSearchResult = lpOutputParam0.lpOutBuffer.getByteArray(0, lpOutputParam0.dwOutBufferSize);
+        // https://dom4j.github.io/javadoc/2.1.1/overview-summary.html
+        String xml = new String(fDSearchResult, "GBK");
+        Document document = DocumentHelper.parseText(xml);
+        Element root = document.getRootElement();
+        for (Iterator<Element> it = root.elementIterator("FDLibBaseCfg"); it.hasNext();) {
+            Element fDLibBaseCfg = it.next();
+            Element nameNode = fDLibBaseCfg.element("name");
+            if ("default".equals(nameNode.getStringValue())) {
+                Element fdidNode = fDLibBaseCfg.element("FDID");
+                faceLib = fdidNode.getStringValue();
+
+                // todo
+                // 反写配置文件
+
+                break;
+            }
+        }
+    }
+
 
     /**
      * 人脸检索 - 功能弃用，设备不支持