add bulk upload pengadaan

src/main/java/com/iconplus/smartproc/service/CommonService.java

@@ -14,6 +14,7 @@ import org.apache.commons.lang3.StringUtils;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.http.HttpStatus;
 import org.springframework.stereotype.Service;
+import org.springframework.web.multipart.MultipartFile;
 
 import java.awt.image.BufferedImage;
 import java.sql.Timestamp;
@@ -118,4 +119,9 @@ public class CommonService {
 
         return MatrixToImageWriter.toBufferedImage(bitMatrix);
     }
+
+    public boolean hasExcelFormat(MultipartFile file) {
+        String type = "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet";
+        return type.equals(file.getContentType());
+    }
 }