【fix sonar】CommonUtils文件

jero-boot/jero-boot-base/jero-boot-base-core/src/main/java/com/jero/common/util/CommonUtils.java

@@ -30,6 +30,10 @@ import lombok.extern.slf4j.Slf4j;
 @Slf4j
 public class CommonUtils {
 
+    private CommonUtils(){
+
+    }
+
    //中文正则
     private static Pattern ZHONGWEN_PATTERN = Pattern.compile("[\u4e00-\u9fa5]");
 
@@ -188,7 +192,6 @@ public class CommonUtils {
         try {
             return getDatabaseTypeByDataSource(dataSource);
         } catch (SQLException e) {
-            //e.printStackTrace();
             log.warn(e.getMessage(), e);
             return "";
         }
@@ -202,9 +205,9 @@ public class CommonUtils {
         if (oConvertUtils.isNotEmpty(dbTypeEnum)) {
             return dbTypeEnum;
         }
-        try {
+        DataSource dataSource = SpringContextUtils.getApplicationContext().getBean(DataSource.class);
-            DataSource dataSource = SpringContextUtils.getApplicationContext().getBean(DataSource.class);
+        try (Connection connection = dataSource.getConnection();) {
-            dbTypeEnum = JdbcUtils.getDbType(dataSource.getConnection().getMetaData().getURL());
+            dbTypeEnum = JdbcUtils.getDbType(connection.getMetaData().getURL());
             return dbTypeEnum;
         } catch (SQLException e) {
             log.warn(e.getMessage(), e);
@@ -262,10 +265,10 @@ public class CommonUtils {
      * @param RSAPrivateKey 私钥
      * @return String 解密后的字符串
      */
-    public static String decryptBtRsaPriKey(String str,String RSAPrivateKey) throws Exception {
+    public static String decryptBtRsaPriKey(String str,String RSAPrivateKey){
         RSA rsa = new RSA(RSAPrivateKey, null);
         byte[] decrypt = rsa.decrypt(str, KeyType.PrivateKey);
         return new String(decrypt);
     }
 
-}
+}