Remove Direct Logger and Use Lombok @Slf4j

src/main/java/stirling/software/SPDF/model/api/PDFWithPageNums.java

@@ -5,8 +5,6 @@ import java.util.List;
 
 import org.apache.pdfbox.Loader;
 import org.apache.pdfbox.pdmodel.PDDocument;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 
 import io.swagger.v3.oas.annotations.Hidden;
 import io.swagger.v3.oas.annotations.media.Schema;
@@ -14,18 +12,20 @@ import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.Data;
 import lombok.EqualsAndHashCode;
 import lombok.NoArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
 import stirling.software.SPDF.utils.GeneralUtils;
 
 @Data
 @NoArgsConstructor
+@Slf4j
 @EqualsAndHashCode(callSuper = true)
 public class PDFWithPageNums extends PDFFile {
 
-    private static final Logger logger = LoggerFactory.getLogger(PDFWithPageNums.class);
-
     @Schema(
             description =
-                    "The pages to select, Supports ranges (e.g., '1,3,5-9'), or 'all' or functions in the format 'an+b' where 'a' is the multiplier of the page number 'n', and 'b' is a constant (e.g., '2n+1', '3n', '6n-5')\"")
+                    "The pages to select, Supports ranges (e.g., '1,3,5-9'), or 'all' or functions in the"
+                            + " format 'an+b' where 'a' is the multiplier of the page number 'n', and 'b' is a"
+                            + " constant (e.g., '2n+1', '3n', '6n-5')\"")
     private String pageNumbers;
 
     @Hidden
@@ -35,7 +35,7 @@ public class PDFWithPageNums extends PDFFile {
             pageCount = Loader.loadPDF(getFileInput().getBytes()).getNumberOfPages();
         } catch (IOException e) {
             // TODO Auto-generated catch block
-            logger.error("exception", e);
+            log.error("exception", e);
         }
         return GeneralUtils.parsePageList(pageNumbers, pageCount, zeroCount);
     }