removal of all getByte loads (#3153)

# Description of Changes

Please provide a summary of the changes, including:

- What was changed
- Why the change was made
- Any challenges encountered

Closes #(issue_number)

---

## Checklist

### General

- [ ] I have read the [Contribution
Guidelines](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/CONTRIBUTING.md)
- [ ] I have read the [Stirling-PDF Developer
Guide](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/DeveloperGuide.md)
(if applicable)
- [ ] I have read the [How to add new languages to
Stirling-PDF](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/HowToAddNewLanguage.md)
(if applicable)
- [ ] I have performed a self-review of my own code
- [ ] My changes generate no new warnings

### Documentation

- [ ] I have updated relevant docs on [Stirling-PDF's doc
repo](https://github.com/Stirling-Tools/Stirling-Tools.github.io/blob/main/docs/)
(if functionality has heavily changed)
- [ ] I have read the section [Add New Translation
Tags](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/HowToAddNewLanguage.md#add-new-translation-tags)
(for new translation tags only)

### UI Changes (if applicable)

- [ ] Screenshots or videos demonstrating the UI changes are attached
(e.g., as comments or direct attachments in the PR)

### Testing (if applicable)

- [ ] I have tested my changes locally. Refer to the [Testing
Guide](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/DeveloperGuide.md#6-testing)
for more details.

---------

Co-authored-by: a <a>

.gitignore

@@ -26,7 +26,7 @@ clientWebUI/
 !cucumber/exampleFiles/
 !cucumber/exampleFiles/example_html.zip
 exampleYmlFiles/stirling/
-
+/testing/file_snapshots
 # Gradle
 .gradle
 .lock

Dockerfile.fat

@@ -1,5 +1,11 @@
 # Build the application
-FROM gradle:8.12-jdk17 AS build
+FROM gradle:8.12-jdk21 AS build
+
+COPY build.gradle .
+COPY settings.gradle .
+COPY gradlew .
+COPY gradle gradle/
+RUN ./gradlew build -x spotlessApply -x spotlessCheck -x test -x sonarqube || return 0 
 
 # Set the working directory
 WORKDIR /app
@@ -10,7 +16,7 @@ COPY . .
 # Build the application with DOCKER_ENABLE_SECURITY=false
 RUN DOCKER_ENABLE_SECURITY=true \
     STIRLING_PDF_DESKTOP_UI=false \
-    ./gradlew clean build
+    ./gradlew clean build -x spotlessApply -x spotlessCheck -x test -x sonarqube
 
 # Main stage
 FROM alpine:3.21.3@sha256:a8560b36e8b8210634f77d9f7f9efd7ffa463e380b75e2e74aff4511df3ef88c

build.gradle

@@ -25,7 +25,7 @@ ext {
 }
 
 group = "stirling.software"
-version = "0.44.0"
+version = "0.44.1"
 
 java {
     // 17 is lowest but we support and recommend 21

src/main/java/org/apache/pdfbox/examples/util/DeletingRandomAccessFile.java

@@ -0,0 +1,39 @@
+package org.apache.pdfbox.examples.util;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+
+import org.apache.pdfbox.io.RandomAccessReadBufferedFile;
+
+import lombok.extern.slf4j.Slf4j;
+
+/** A custom RandomAccessRead implementation that deletes the file when closed */
+@Slf4j
+public class DeletingRandomAccessFile extends RandomAccessReadBufferedFile {
+    private final Path tempFilePath;
+
+    public DeletingRandomAccessFile(File file) throws IOException {
+        super(file);
+        this.tempFilePath = file.toPath();
+    }
+
+    @Override
+    public void close() throws IOException {
+        try {
+            super.close();
+        } finally {
+            try {
+                boolean deleted = Files.deleteIfExists(tempFilePath);
+                if (deleted) {
+                    log.info("Successfully deleted temp file: {}", tempFilePath);
+                } else {
+                    log.warn("Failed to delete temp file (may not exist): {}", tempFilePath);
+                }
+            } catch (IOException e) {
+                log.error("Error deleting temp file: {}", tempFilePath, e);
+            }
+        }
+    }
+}

src/main/java/stirling/software/SPDF/controller/api/AnalysisController.java

@@ -37,7 +37,7 @@ public class AnalysisController {
             summary = "Get PDF page count",
             description = "Returns total number of pages in PDF. Input:PDF Output:JSON Type:SISO")
     public Map<String, Integer> getPageCount(@ModelAttribute PDFFile file) throws IOException {
-        try (PDDocument document = pdfDocumentFactory.load(file.getFileInput().getBytes())) {
+        try (PDDocument document = pdfDocumentFactory.load(file.getFileInput())) {
             return Map.of("pageCount", document.getNumberOfPages());
         }
     }
@@ -47,7 +47,7 @@ public class AnalysisController {
             summary = "Get basic PDF information",
             description = "Returns page count, version, file size. Input:PDF Output:JSON Type:SISO")
     public Map<String, Object> getBasicInfo(@ModelAttribute PDFFile file) throws IOException {
-        try (PDDocument document = pdfDocumentFactory.load(file.getFileInput().getBytes())) {
+        try (PDDocument document = pdfDocumentFactory.load(file.getFileInput())) {
             Map<String, Object> info = new HashMap<>();
             info.put("pageCount", document.getNumberOfPages());
             info.put("pdfVersion", document.getVersion());
@@ -62,7 +62,7 @@ public class AnalysisController {
             description = "Returns title, author, subject, etc. Input:PDF Output:JSON Type:SISO")
     public Map<String, String> getDocumentProperties(@ModelAttribute PDFFile file)
             throws IOException {
-        try (PDDocument document = pdfDocumentFactory.load(file.getFileInput().getBytes())) {
+        try (PDDocument document = pdfDocumentFactory.load(file.getFileInput())) {
             PDDocumentInformation info = document.getDocumentInformation();
             Map<String, String> properties = new HashMap<>();
             properties.put("title", info.getTitle());
@@ -83,7 +83,7 @@ public class AnalysisController {
             description = "Returns width and height of each page. Input:PDF Output:JSON Type:SISO")
     public List<Map<String, Float>> getPageDimensions(@ModelAttribute PDFFile file)
             throws IOException {
-        try (PDDocument document = pdfDocumentFactory.load(file.getFileInput().getBytes())) {
+        try (PDDocument document = pdfDocumentFactory.load(file.getFileInput())) {
             List<Map<String, Float>> dimensions = new ArrayList<>();
             PDPageTree pages = document.getPages();
 
@@ -103,7 +103,7 @@ public class AnalysisController {
             description =
                     "Returns count and details of form fields. Input:PDF Output:JSON Type:SISO")
     public Map<String, Object> getFormFields(@ModelAttribute PDFFile file) throws IOException {
-        try (PDDocument document = pdfDocumentFactory.load(file.getFileInput().getBytes())) {
+        try (PDDocument document = pdfDocumentFactory.load(file.getFileInput())) {
             Map<String, Object> formInfo = new HashMap<>();
             PDAcroForm form = document.getDocumentCatalog().getAcroForm();
 
@@ -125,7 +125,7 @@ public class AnalysisController {
             summary = "Get annotation information",
             description = "Returns count and types of annotations. Input:PDF Output:JSON Type:SISO")
     public Map<String, Object> getAnnotationInfo(@ModelAttribute PDFFile file) throws IOException {
-        try (PDDocument document = pdfDocumentFactory.load(file.getFileInput().getBytes())) {
+        try (PDDocument document = pdfDocumentFactory.load(file.getFileInput())) {
             Map<String, Object> annotInfo = new HashMap<>();
             int totalAnnotations = 0;
             Map<String, Integer> annotationTypes = new HashMap<>();
@@ -150,7 +150,7 @@ public class AnalysisController {
             description =
                     "Returns list of fonts used in the document. Input:PDF Output:JSON Type:SISO")
     public Map<String, Object> getFontInfo(@ModelAttribute PDFFile file) throws IOException {
-        try (PDDocument document = pdfDocumentFactory.load(file.getFileInput().getBytes())) {
+        try (PDDocument document = pdfDocumentFactory.load(file.getFileInput())) {
             Map<String, Object> fontInfo = new HashMap<>();
             Set<String> fontNames = new HashSet<>();
 
@@ -172,7 +172,7 @@ public class AnalysisController {
             description =
                     "Returns encryption and permission details. Input:PDF Output:JSON Type:SISO")
     public Map<String, Object> getSecurityInfo(@ModelAttribute PDFFile file) throws IOException {
-        try (PDDocument document = pdfDocumentFactory.load(file.getFileInput().getBytes())) {
+        try (PDDocument document = pdfDocumentFactory.load(file.getFileInput())) {
             Map<String, Object> securityInfo = new HashMap<>();
             PDEncryption encryption = document.getEncryption();
 

src/main/java/stirling/software/SPDF/controller/api/CropController.java

@@ -42,7 +42,7 @@ public class CropController {
             description =
                     "This operation takes an input PDF file and crops it according to the given coordinates. Input:PDF Output:PDF Type:SISO")
     public ResponseEntity<byte[]> cropPdf(@ModelAttribute CropPdfForm form) throws IOException {
-        PDDocument sourceDocument = pdfDocumentFactory.load(form.getFileInput().getBytes());
+        PDDocument sourceDocument = pdfDocumentFactory.load(form);
 
         PDDocument newDocument =
                 pdfDocumentFactory.createNewDocumentBasedOnOldDocument(sourceDocument);

src/main/java/stirling/software/SPDF/controller/api/MergeController.java

@@ -100,8 +100,8 @@ public class MergeController {
                 };
             case "byPDFTitle":
                 return (file1, file2) -> {
-                    try (PDDocument doc1 = pdfDocumentFactory.load(file1.getBytes());
-                            PDDocument doc2 = pdfDocumentFactory.load(file2.getBytes())) {
+                    try (PDDocument doc1 = pdfDocumentFactory.load(file1);
+                            PDDocument doc2 = pdfDocumentFactory.load(file2)) {
                         String title1 = doc1.getDocumentInformation().getTitle();
                         String title2 = doc2.getDocumentInformation().getTitle();
                         return title1.compareTo(title2);

src/main/java/stirling/software/SPDF/controller/api/MultiPageLayoutController.java

@@ -63,7 +63,7 @@ public class MultiPageLayoutController {
                         : (int) Math.sqrt(pagesPerSheet);
         int rows = pagesPerSheet == 2 || pagesPerSheet == 3 ? 1 : (int) Math.sqrt(pagesPerSheet);
 
-        PDDocument sourceDocument = pdfDocumentFactory.load(file.getBytes());
+        PDDocument sourceDocument = pdfDocumentFactory.load(file);
         PDDocument newDocument =
                 pdfDocumentFactory.createNewDocumentBasedOnOldDocument(sourceDocument);
         PDPage newPage = new PDPage(PDRectangle.A4);

src/main/java/stirling/software/SPDF/controller/api/RearrangePagesPDFController.java

@@ -250,7 +250,7 @@ public class RearrangePagesPDFController {
         String sortType = request.getCustomMode();
         try {
             // Load the input PDF
-            PDDocument document = pdfDocumentFactory.load(pdfFile.getBytes());
+            PDDocument document = pdfDocumentFactory.load(pdfFile);
 
             // Split the page order string into an array of page numbers or range of numbers
             String[] pageOrderArr = pageOrder != null ? pageOrder.split(",") : new String[0];

src/main/java/stirling/software/SPDF/controller/api/ScalePagesController.java

@@ -51,7 +51,7 @@ public class ScalePagesController {
         String targetPDRectangle = request.getPageSize();
         float scaleFactor = request.getScaleFactor();
 
-        PDDocument sourceDocument = pdfDocumentFactory.load(file.getBytes());
+        PDDocument sourceDocument = pdfDocumentFactory.load(file);
         PDDocument outputDocument =
                 pdfDocumentFactory.createNewDocumentBasedOnOldDocument(sourceDocument);
 

src/main/java/stirling/software/SPDF/controller/api/SplitPDFController.java

@@ -62,7 +62,7 @@ public class SplitPDFController {
             String pages = request.getPageNumbers();
             // open the pdf document
 
-            document = pdfDocumentFactory.load(file.getBytes());
+            document = pdfDocumentFactory.load(file);
             // PdfMetadata metadata = PdfMetadataService.extractMetadataFromPdf(document);
             int totalPages = document.getNumberOfPages();
             List<Integer> pageNumbers = request.getPageNumbersList(document, false);

src/main/java/stirling/software/SPDF/controller/api/SplitPdfByChaptersController.java

@@ -139,7 +139,7 @@ public class SplitPdfByChaptersController {
             if (bookmarkLevel < 0) {
                 return ResponseEntity.badRequest().body("Invalid bookmark level".getBytes());
             }
-            sourceDocument = pdfDocumentFactory.load(file.getBytes());
+            sourceDocument = pdfDocumentFactory.load(file);
 
             PDDocumentOutline outline = sourceDocument.getDocumentCatalog().getDocumentOutline();
 

src/main/java/stirling/software/SPDF/controller/api/SplitPdfBySectionsController.java

@@ -56,7 +56,7 @@ public class SplitPdfBySectionsController {
         List<ByteArrayOutputStream> splitDocumentsBoas = new ArrayList<>();
 
         MultipartFile file = request.getFileInput();
-        PDDocument sourceDocument = pdfDocumentFactory.load(file.getBytes());
+        PDDocument sourceDocument = pdfDocumentFactory.load(file);
 
         // Process the PDF based on split parameters
         int horiz = request.getHorizontalDivisions() + 1;

src/main/java/stirling/software/SPDF/controller/api/ToSinglePageController.java

@@ -45,7 +45,7 @@ public class ToSinglePageController {
             throws IOException {
 
         // Load the source document
-        PDDocument sourceDocument = pdfDocumentFactory.load(request.getFileInput().getBytes());
+        PDDocument sourceDocument = pdfDocumentFactory.load(request);
 
         // Calculate total height and max width
         float totalHeight = 0;

src/main/java/stirling/software/SPDF/controller/api/converters/ConvertImgPDFController.java

@@ -74,7 +74,7 @@ public class ConvertImgPDFController {
         ;
         try {
             // Load the input PDF
-            byte[] newPdfBytes = rearrangePdfPages(file.getBytes(), pageOrderArr);
+            byte[] newPdfBytes = rearrangePdfPages(file, pageOrderArr);
 
             ImageType colorTypeResult = ImageType.RGB;
             if ("greyscale".equals(colorType)) {
@@ -243,9 +243,10 @@ public class ConvertImgPDFController {
      * @return A byte array of the rearranged PDF.
      * @throws IOException If an error occurs while processing the PDF.
      */
-    private byte[] rearrangePdfPages(byte[] pdfBytes, String[] pageOrderArr) throws IOException {
+    private byte[] rearrangePdfPages(MultipartFile pdfFile, String[] pageOrderArr)
+            throws IOException {
         // Load the input PDF
-        PDDocument document = pdfDocumentFactory.load(pdfBytes);
+        PDDocument document = pdfDocumentFactory.load(pdfFile);
         int totalPages = document.getNumberOfPages();
         List<Integer> newPageOrder = GeneralUtils.parsePageList(pageOrderArr, totalPages, false);
 

src/main/java/stirling/software/SPDF/controller/api/converters/ConvertPDFToOffice.java

@@ -62,7 +62,7 @@ public class ConvertPDFToOffice {
         MultipartFile inputFile = request.getFileInput();
         String outputFormat = request.getOutputFormat();
         if ("txt".equals(request.getOutputFormat())) {
-            try (PDDocument document = pdfDocumentFactory.load(inputFile.getBytes())) {
+            try (PDDocument document = pdfDocumentFactory.load(inputFile)) {
                 PDFTextStripper stripper = new PDFTextStripper();
                 String text = stripper.getText(document);
                 return WebResponseUtils.bytesToWebResponse(

src/main/java/stirling/software/SPDF/controller/api/converters/ExtractCSVController.java

@@ -59,7 +59,7 @@ public class ExtractCSVController {
         String baseName = getBaseName(form.getFileInput().getOriginalFilename());
         List<CsvEntry> csvEntries = new ArrayList<>();
 
-        try (PDDocument document = pdfDocumentFactory.load(form.getFileInput().getBytes())) {
+        try (PDDocument document = pdfDocumentFactory.load(form)) {
             List<Integer> pages = form.getPageNumbersList(document, true);
             SpreadsheetExtractionAlgorithm sea = new SpreadsheetExtractionAlgorithm();
             CSVFormat format =

src/main/java/stirling/software/SPDF/controller/api/filters/FilterController.java

@@ -49,7 +49,7 @@ public class FilterController {
         String text = request.getText();
         String pageNumber = request.getPageNumbers();
 
-        PDDocument pdfDocument = pdfDocumentFactory.load(inputFile.getBytes());
+        PDDocument pdfDocument = pdfDocumentFactory.load(inputFile);
         if (PdfUtils.hasText(pdfDocument, pageNumber, text))
             return WebResponseUtils.pdfDocToWebResponse(
                     pdfDocument, Filenames.toSimpleFileName(inputFile.getOriginalFilename()));
@@ -66,7 +66,7 @@ public class FilterController {
         MultipartFile inputFile = request.getFileInput();
         String pageNumber = request.getPageNumbers();
 
-        PDDocument pdfDocument = pdfDocumentFactory.load(inputFile.getBytes());
+        PDDocument pdfDocument = pdfDocumentFactory.load(inputFile);
         if (PdfUtils.hasImages(pdfDocument, pageNumber))
             return WebResponseUtils.pdfDocToWebResponse(
                     pdfDocument, Filenames.toSimpleFileName(inputFile.getOriginalFilename()));
@@ -83,7 +83,7 @@ public class FilterController {
         String pageCount = request.getPageCount();
         String comparator = request.getComparator();
         // Load the PDF
-        PDDocument document = pdfDocumentFactory.load(inputFile.getBytes());
+        PDDocument document = pdfDocumentFactory.load(inputFile);
         int actualPageCount = document.getNumberOfPages();
 
         boolean valid = false;
@@ -117,7 +117,7 @@ public class FilterController {
         String comparator = request.getComparator();
 
         // Load the PDF
-        PDDocument document = pdfDocumentFactory.load(inputFile.getBytes());
+        PDDocument document = pdfDocumentFactory.load(inputFile);
 
         PDPage firstPage = document.getPage(0);
         PDRectangle actualPageSize = firstPage.getMediaBox();
@@ -193,7 +193,7 @@ public class FilterController {
         String comparator = request.getComparator();
 
         // Load the PDF
-        PDDocument document = pdfDocumentFactory.load(inputFile.getBytes());
+        PDDocument document = pdfDocumentFactory.load(inputFile);
 
         // Get the rotation of the first page
         PDPage firstPage = document.getPage(0);

src/main/java/stirling/software/SPDF/controller/api/misc/AutoRenameController.java

@@ -52,7 +52,7 @@ public class AutoRenameController {
         MultipartFile file = request.getFileInput();
         Boolean useFirstTextAsFallback = request.isUseFirstTextAsFallback();
 
-        PDDocument document = pdfDocumentFactory.load(file.getBytes());
+        PDDocument document = pdfDocumentFactory.load(file);
         PDFTextStripper reader =
                 new PDFTextStripper() {
                     List<LineInfo> lineInfos = new ArrayList<>();

src/main/java/stirling/software/SPDF/controller/api/misc/BlankPageController.java

@@ -84,7 +84,7 @@ public class BlankPageController {
         int threshold = request.getThreshold();
         float whitePercent = request.getWhitePercent();
 
-        try (PDDocument document = pdfDocumentFactory.load(inputFile.getBytes())) {
+        try (PDDocument document = pdfDocumentFactory.load(inputFile)) {
             PDPageTree pages = document.getDocumentCatalog().getPages();
             PDFTextStripper textStripper = new PDFTextStripper();
 

src/main/java/stirling/software/SPDF/controller/api/misc/DecompressPdfController.java

@@ -50,7 +50,7 @@ public class DecompressPdfController {
 
         MultipartFile file = request.getFileInput();
 
-        try (PDDocument document = pdfDocumentFactory.load(file.getBytes())) {
+        try (PDDocument document = pdfDocumentFactory.load(file)) {
             // Process all objects in document
             processAllObjects(document);
 

src/main/java/stirling/software/SPDF/controller/api/misc/ExtractImageScansController.java

@@ -95,8 +95,7 @@ public class ExtractImageScansController {
             // Check if input file is a PDF
             if ("pdf".equalsIgnoreCase(extension)) {
                 // Load PDF document
-                try (PDDocument document =
-                        pdfDocumentFactory.load(form.getFileInput().getBytes())) {
+                try (PDDocument document = pdfDocumentFactory.load(form.getFileInput())) {
                     PDFRenderer pdfRenderer = new PDFRenderer(document);
                     pdfRenderer.setSubsamplingAllowed(true);
                     int pageCount = document.getNumberOfPages();

src/main/java/stirling/software/SPDF/controller/api/misc/ExtractImagesController.java

@@ -67,7 +67,7 @@ public class ExtractImagesController {
         MultipartFile file = request.getFileInput();
         String format = request.getFormat();
         boolean allowDuplicates = request.isAllowDuplicates();
-        PDDocument document = pdfDocumentFactory.load(file.getBytes());
+        PDDocument document = pdfDocumentFactory.load(file);
 
         // Determine if multithreading should be used based on PDF size or number of pages
         boolean useMultithreading = shouldUseMultithreading(file, document);

src/main/java/stirling/software/SPDF/controller/api/misc/FlattenController.java

@@ -50,7 +50,7 @@ public class FlattenController {
     public ResponseEntity<byte[]> flatten(@ModelAttribute FlattenRequest request) throws Exception {
         MultipartFile file = request.getFileInput();
 
-        PDDocument document = pdfDocumentFactory.load(file.getBytes());
+        PDDocument document = pdfDocumentFactory.load(file);
         Boolean flattenOnlyForms = request.getFlattenOnlyForms();
 
         if (Boolean.TRUE.equals(flattenOnlyForms)) {

src/main/java/stirling/software/SPDF/controller/api/misc/MetadataController.java

@@ -84,7 +84,7 @@ public class MetadataController {
             allRequestParams = new java.util.HashMap<String, String>();
         }
         // Load the PDF file into a PDDocument
-        PDDocument document = pdfDocumentFactory.load(pdfFile.getBytes());
+        PDDocument document = pdfDocumentFactory.load(pdfFile);
 
         // Get the document information from the PDF
         PDDocumentInformation info = document.getDocumentInformation();

src/main/java/stirling/software/SPDF/controller/api/misc/PageNumbersController.java

@@ -55,8 +55,7 @@ public class PageNumbersController {
         String pagesToNumber = request.getPagesToNumber();
         String customText = request.getCustomText();
         int pageNumber = startingNumber;
-        byte[] fileBytes = file.getBytes();
-        PDDocument document = pdfDocumentFactory.load(fileBytes);
+        PDDocument document = pdfDocumentFactory.load(file);
         float font_size = request.getFontSize();
         String font_type = request.getFontType();
         float marginFactor;

src/main/java/stirling/software/SPDF/controller/api/misc/ShowJavascript.java

@@ -43,7 +43,7 @@ public class ShowJavascript {
         MultipartFile inputFile = request.getFileInput();
         String script = "";
 
-        try (PDDocument document = pdfDocumentFactory.load(inputFile.getBytes())) {
+        try (PDDocument document = pdfDocumentFactory.load(inputFile)) {
 
             if (document.getDocumentCatalog() != null
                     && document.getDocumentCatalog().getNames() != null) {

src/main/java/stirling/software/SPDF/controller/api/security/CertSignController.java

@@ -90,7 +90,7 @@ public class CertSignController {
 
     private static void sign(
             CustomPDDocumentFactory pdfDocumentFactory,
-            byte[] input,
+            MultipartFile input,
             OutputStream output,
             CreateSignature instance,
             Boolean showSignature,
@@ -179,7 +179,7 @@ public class CertSignController {
         ByteArrayOutputStream baos = new ByteArrayOutputStream();
         sign(
                 pdfDocumentFactory,
-                pdf.getBytes(),
+                pdf,
                 baos,
                 createSignature,
                 showSignature,

src/main/java/stirling/software/SPDF/controller/api/security/GetInfoOnPDF.java

@@ -126,7 +126,7 @@ public class GetInfoOnPDF {
     @Operation(summary = "Summary here", description = "desc. Input:PDF Output:JSON Type:SISO")
     public ResponseEntity<byte[]> getPdfInfo(@ModelAttribute PDFFile request) throws IOException {
         MultipartFile inputFile = request.getFileInput();
-        try (PDDocument pdfBoxDoc = pdfDocumentFactory.load(inputFile.getBytes()); ) {
+        try (PDDocument pdfBoxDoc = pdfDocumentFactory.load(inputFile); ) {
             ObjectMapper objectMapper = new ObjectMapper();
             ObjectNode jsonOutput = objectMapper.createObjectNode();
 

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

@@ -1,9 +1,7 @@
 package stirling.software.SPDF.model.api;
 
-import java.io.IOException;
 import java.util.List;
 
-import org.apache.pdfbox.Loader;
 import org.apache.pdfbox.pdmodel.PDDocument;
 
 import io.swagger.v3.oas.annotations.Hidden;
@@ -32,18 +30,6 @@ public class PDFWithPageNums extends PDFFile {
             requiredMode = RequiredMode.NOT_REQUIRED)
     private String pageNumbers;
 
-    @Hidden
-    public List<Integer> getPageNumbersList(boolean zeroCount) {
-        int pageCount = 0;
-        try {
-            pageCount = Loader.loadPDF(getFileInput().getBytes()).getNumberOfPages();
-        } catch (IOException e) {
-            // TODO Auto-generated catch block
-            log.error("exception", e);
-        }
-        return GeneralUtils.parsePageList(pageNumbers, pageCount, zeroCount);
-    }
-
     @Hidden
     public List<Integer> getPageNumbersList(PDDocument doc, boolean oneBased) {
         int pageCount = 0;

src/main/java/stirling/software/SPDF/service/CustomPDDocumentFactory.java

@@ -10,9 +10,9 @@ import java.nio.file.StandardCopyOption;
 import java.util.concurrent.atomic.AtomicLong;
 
 import org.apache.pdfbox.Loader;
+import org.apache.pdfbox.examples.util.DeletingRandomAccessFile;
 import org.apache.pdfbox.io.IOUtils;
 import org.apache.pdfbox.io.MemoryUsageSetting;
-import org.apache.pdfbox.io.RandomAccessReadBufferedFile;
 import org.apache.pdfbox.io.RandomAccessStreamCache.StreamCacheCreateFunction;
 import org.apache.pdfbox.io.ScratchFile;
 import org.apache.pdfbox.pdmodel.PDDocument;
@@ -102,16 +102,29 @@ public class CustomPDDocumentFactory {
 
         // Since we don't know the size upfront, buffer to a temp file
         Path tempFile = createTempFile("pdf-stream-");
-        try {
-            Files.copy(input, tempFile, StandardCopyOption.REPLACE_EXISTING);
-            return loadAdaptively(tempFile.toFile(), Files.size(tempFile));
-        } catch (IOException e) {
-            cleanupFile(tempFile);
-            throw e;
-        }
+
+        Files.copy(input, tempFile, StandardCopyOption.REPLACE_EXISTING);
+        return loadAdaptively(tempFile.toFile(), Files.size(tempFile));
     }
 
-    private PDDocument loadAdaptively(Object source, long contentSize) throws IOException {
+    /** Load with password from InputStream */
+    public PDDocument load(InputStream input, String password) throws IOException {
+        if (input == null) {
+            throw new IllegalArgumentException("InputStream cannot be null");
+        }
+
+        // Since we don't know the size upfront, buffer to a temp file
+        Path tempFile = createTempFile("pdf-stream-");
+
+        Files.copy(input, tempFile, StandardCopyOption.REPLACE_EXISTING);
+        return loadAdaptivelyWithPassword(tempFile.toFile(), Files.size(tempFile), password);
+    }
+
+    /**
+     * Determine the appropriate caching strategy based on file size and available memory. This
+     * common method is used by both password and non-password loading paths.
+     */
+    private StreamCacheCreateFunction getStreamCacheFunction(long contentSize) {
         long maxMemory = Runtime.getRuntime().maxMemory();
         long freeMemory = Runtime.getRuntime().freeMemory();
         long totalMemory = Runtime.getRuntime().totalMemory();
@@ -129,32 +142,38 @@ public class CustomPDDocumentFactory {
                 usedMemory / (1024 * 1024),
                 maxMemory / (1024 * 1024));
 
-        // Determine caching strategy based on both file size and available memory
-        StreamCacheCreateFunction cacheFunction;
-
         // If free memory is critically low, always use file-based caching
-        // In loadAdaptively method, replace current caching strategy decision with:
         if (freeMemoryPercent < MIN_FREE_MEMORY_PERCENTAGE
                 || actualFreeMemory < MIN_FREE_MEMORY_BYTES) {
             log.info(
                     "Low memory detected ({}%), forcing file-based cache",
                     String.format("%.2f", freeMemoryPercent));
-            cacheFunction = createScratchFileCacheFunction(MemoryUsageSetting.setupTempFileOnly());
+            return createScratchFileCacheFunction(MemoryUsageSetting.setupTempFileOnly());
         } else if (contentSize < SMALL_FILE_THRESHOLD) {
             log.info("Using memory-only cache for small document ({}KB)", contentSize / 1024);
-            cacheFunction = IOUtils.createMemoryOnlyStreamCache();
+            return IOUtils.createMemoryOnlyStreamCache();
         } else if (contentSize < LARGE_FILE_THRESHOLD) {
             // For medium files (10-50MB), use a mixed approach
             log.info(
                     "Using mixed memory/file cache for medium document ({}MB)",
                     contentSize / (1024 * 1024));
-            cacheFunction =
-                    createScratchFileCacheFunction(MemoryUsageSetting.setupMixed(LARGE_FILE_USAGE));
+            return createScratchFileCacheFunction(MemoryUsageSetting.setupMixed(LARGE_FILE_USAGE));
         } else {
             log.info("Using file-based cache for large document");
-            cacheFunction = createScratchFileCacheFunction(MemoryUsageSetting.setupTempFileOnly());
+            return createScratchFileCacheFunction(MemoryUsageSetting.setupTempFileOnly());
         }
+    }
 
+    /** Update the existing loadAdaptively method to use the common function */
+    private PDDocument loadAdaptively(Object source, long contentSize) throws IOException {
+        // Get the appropriate caching strategy
+        StreamCacheCreateFunction cacheFunction = getStreamCacheFunction(contentSize);
+        
+        //If small handle as bytes and remove original file
+        if (contentSize <= SMALL_FILE_THRESHOLD && source instanceof File file) {
+            source = Files.readAllBytes(file.toPath());
+            file.delete();
+        }
         PDDocument document;
         if (source instanceof File file) {
             document = loadFromFile(file, contentSize, cacheFunction);
@@ -168,6 +187,50 @@ public class CustomPDDocumentFactory {
         return document;
     }
 
+    /** Load a PDF with password protection using adaptive loading strategies */
+    private PDDocument loadAdaptivelyWithPassword(Object source, long contentSize, String password)
+            throws IOException {
+        // Get the appropriate caching strategy
+        StreamCacheCreateFunction cacheFunction = getStreamCacheFunction(contentSize);
+        //If small handle as bytes and remove original file
+        if (contentSize <= SMALL_FILE_THRESHOLD && source instanceof File file) {
+            source = Files.readAllBytes(file.toPath());
+            file.delete();
+        }
+        PDDocument document;
+        if (source instanceof File file) {
+            document = loadFromFileWithPassword(file, contentSize, cacheFunction, password);
+        } else if (source instanceof byte[] bytes) {
+            document = loadFromBytesWithPassword(bytes, contentSize, cacheFunction, password);
+        } else {
+            throw new IllegalArgumentException("Unsupported source type: " + source.getClass());
+        }
+
+        postProcessDocument(document);
+        return document;
+    }
+
+    /** Load a file with password */
+    private PDDocument loadFromFileWithPassword(
+            File file, long size, StreamCacheCreateFunction cache, String password)
+            throws IOException {
+        return Loader.loadPDF(new DeletingRandomAccessFile(file), password, null, null, cache);
+    }
+
+    /** Load bytes with password */
+    private PDDocument loadFromBytesWithPassword(
+            byte[] bytes, long size, StreamCacheCreateFunction cache, String password)
+            throws IOException {
+        if (size >= SMALL_FILE_THRESHOLD) {
+            log.info("Writing large byte array to temp file for password-protected PDF");
+            Path tempFile = createTempFile("pdf-bytes-");
+
+            Files.write(tempFile, bytes);
+            return Loader.loadPDF(tempFile.toFile(), password, null, null, cache);
+        }
+        return Loader.loadPDF(bytes, password, null, null, cache);
+    }
+
     private StreamCacheCreateFunction createScratchFileCacheFunction(MemoryUsageSetting settings) {
         return () -> {
             try {
@@ -185,11 +248,7 @@ public class CustomPDDocumentFactory {
 
     private PDDocument loadFromFile(File file, long size, StreamCacheCreateFunction cache)
             throws IOException {
-        if (size >= EXTREMELY_LARGE_THRESHOLD) {
-            log.info("Loading extremely large file via buffered access");
-            return Loader.loadPDF(new RandomAccessReadBufferedFile(file), "", null, null, cache);
-        }
-        return Loader.loadPDF(file, "", null, null, cache);
+        return Loader.loadPDF(new DeletingRandomAccessFile(file), "", null, null, cache);
     }
 
     private PDDocument loadFromBytes(byte[] bytes, long size, StreamCacheCreateFunction cache)
@@ -197,12 +256,9 @@ public class CustomPDDocumentFactory {
         if (size >= SMALL_FILE_THRESHOLD) {
             log.info("Writing large byte array to temp file");
             Path tempFile = createTempFile("pdf-bytes-");
-            try {
-                Files.write(tempFile, bytes);
-                return Loader.loadPDF(tempFile.toFile(), "", null, null, cache);
-            } finally {
-                cleanupFile(tempFile);
-            }
+
+            Files.write(tempFile, bytes);
+            return loadFromFile(tempFile.toFile(), size, cache);
         }
         return Loader.loadPDF(bytes, "", null, null, cache);
     }
@@ -225,12 +281,9 @@ public class CustomPDDocumentFactory {
             }
         } else {
             Path tempFile = createTempFile("pdf-save-");
-            try {
-                document.save(tempFile.toFile());
-                return Files.readAllBytes(tempFile);
-            } finally {
-                cleanupFile(tempFile);
-            }
+
+            document.save(tempFile.toFile());
+            return Files.readAllBytes(tempFile);
         }
     }
 
@@ -258,17 +311,6 @@ public class CustomPDDocumentFactory {
         return Files.createTempDirectory(prefix + tempCounter.incrementAndGet() + "-");
     }
 
-    /** Clean up a temporary file */
-    private void cleanupFile(Path file) {
-        try {
-            if (Files.deleteIfExists(file)) {
-                log.info("Deleted temp file: {}", file);
-            }
-        } catch (IOException e) {
-            log.info("Error deleting temp file {}", file, e);
-        }
-    }
-
     /** Create new document bytes based on an existing document */
     public byte[] createNewBytesBasedOnOldDocument(byte[] oldDocument) throws IOException {
         try (PDDocument document = load(oldDocument)) {
@@ -339,20 +381,11 @@ public class CustomPDDocumentFactory {
 
     /** Load from a MultipartFile */
     public PDDocument load(MultipartFile pdfFile) throws IOException {
-        return load(pdfFile.getBytes());
+        return load(pdfFile.getInputStream());
     }
 
     /** Load with password from MultipartFile */
     public PDDocument load(MultipartFile fileInput, String password) throws IOException {
-        return load(fileInput.getBytes(), password);
-    }
-
-    /** Load with password from byte array */
-    private PDDocument load(byte[] bytes, String password) throws IOException {
-        // Since we don't have direct password support in the adaptive loader,
-        // we'll need to use PDFBox's Loader directly
-        PDDocument document = Loader.loadPDF(bytes, password);
-        pdfMetadataService.setDefaultMetadata(document);
-        return document;
+        return load(fileInput.getInputStream(), password);
     }
 }

src/main/java/stirling/software/SPDF/utils/GeneralUtils.java

@@ -32,8 +32,15 @@ public class GeneralUtils {
 
     public static File convertMultipartFileToFile(MultipartFile multipartFile) throws IOException {
         File tempFile = Files.createTempFile("temp", null).toFile();
-        try (FileOutputStream os = new FileOutputStream(tempFile)) {
-            os.write(multipartFile.getBytes());
+        try (InputStream inputStream = multipartFile.getInputStream();
+                FileOutputStream outputStream = new FileOutputStream(tempFile)) {
+
+            byte[] buffer = new byte[8192];
+            int bytesRead;
+
+            while ((bytesRead = inputStream.read(buffer)) != -1) {
+                outputStream.write(buffer, 0, bytesRead);
+            }
         }
         return tempFile;
     }

testing/test.sh

@@ -39,6 +39,136 @@ check_health() {
     return 0
 }
 
+# Function to capture file list from a Docker container
+capture_file_list() {
+    local container_name=$1
+    local output_file=$2
+    
+    echo "Capturing file list from $container_name..."
+    # Get all files in one command, output directly from Docker to avoid path issues
+    # Skip proc, sys, dev, and the specified LibreOffice config directory
+    # Also skip PDFBox and LibreOffice temporary files
+    docker exec $container_name sh -c "find / -type f \
+        -not -path '*/proc/*' \
+        -not -path '*/sys/*' \
+        -not -path '*/dev/*' \
+        -not -path '/config/*' \
+        -not -path '/logs/*' \
+        -not -path '*/home/stirlingpdfuser/.config/libreoffice/*' \
+        -not -path '*/tmp/PDFBox*' \
+        -not -path '*/tmp/hsperfdata_stirlingpdfuser/*' \
+        -not -path '*/tmp/lu*' \
+        -not -path '*/tmp/tmp*' \
+        2>/dev/null | xargs -I{} sh -c 'stat -c \"%n %s %Y\" \"{}\" 2>/dev/null || true' | sort" > "$output_file"
+    
+    # Check if the output file has content
+    if [ ! -s "$output_file" ]; then
+        echo "WARNING: Failed to capture file list or container returned empty list"
+        echo "Trying alternative approach..."
+        
+        # Alternative simpler approach - just get paths as a fallback
+        docker exec $container_name sh -c "find / -type f \
+            -not -path '*/proc/*' \
+            -not -path '*/sys/*' \
+            -not -path '*/dev/*' \
+            -not -path '/config/*' \
+            -not -path '/logs/*' \
+            -not -path '*/home/stirlingpdfuser/.config/libreoffice/*' \
+            -not -path '*/tmp/PDFBox*' \
+            -not -path '*/tmp/hsperfdata_stirlingpdfuser/*' \
+            -not -path '*/tmp/lu*' \
+            -not -path '*/tmp/tmp*' \
+            2>/dev/null | sort" > "$output_file"
+        
+        if [ ! -s "$output_file" ]; then
+            echo "ERROR: All attempts to capture file list failed"
+            # Create a dummy entry to prevent diff errors
+            echo "NO_FILES_FOUND 0 0" > "$output_file"
+        fi
+    fi
+    
+    echo "File list captured to $output_file"
+}
+
+# Function to compare before and after file lists
+compare_file_lists() {
+    local before_file=$1
+    local after_file=$2
+    local diff_file=$3
+    local container_name=$4  # Added container_name parameter
+    
+    echo "Comparing file lists..."
+    
+    # Check if files exist and have content
+    if [ ! -s "$before_file" ] || [ ! -s "$after_file" ]; then
+        echo "WARNING: One or both file lists are empty."
+        
+        if [ ! -s "$before_file" ]; then
+            echo "Before file is empty: $before_file"
+        fi
+        
+        if [ ! -s "$after_file" ]; then
+            echo "After file is empty: $after_file"
+        fi
+        
+        # Create empty diff file
+        > "$diff_file"
+        
+        # Check if we at least have the after file to look for temp files
+        if [ -s "$after_file" ]; then
+            echo "Checking for temp files in the after snapshot..."
+            grep -i "tmp\|temp" "$after_file" > "${diff_file}.tmp"
+            if [ -s "${diff_file}.tmp" ]; then
+                echo "WARNING: Temporary files found:"
+                cat "${diff_file}.tmp"
+                echo "Printing docker logs due to temporary file detection:"
+                docker logs "$container_name"  # Print logs when temp files are found
+                return 1
+            else
+                echo "No temporary files found in the after snapshot."
+            fi
+        fi
+        
+        return 0
+    fi
+    
+    # Both files exist and have content, proceed with diff
+    diff "$before_file" "$after_file" > "$diff_file"
+    
+    if [ -s "$diff_file" ]; then
+        echo "Detected changes in files:"
+        cat "$diff_file"
+        
+        # Extract only added files (lines starting with ">")
+        grep "^>" "$diff_file" > "${diff_file}.added" || true
+        if [ -s "${diff_file}.added" ]; then
+            echo "New files created during test:"
+            cat "${diff_file}.added" | sed 's/^> //'
+            
+            # Check for tmp files
+            grep -i "tmp\|temp" "${diff_file}.added" > "${diff_file}.tmp" || true
+            if [ -s "${diff_file}.tmp" ]; then
+                echo "WARNING: Temporary files detected:"
+                cat "${diff_file}.tmp"
+                echo "Printing docker logs due to temporary file detection:"
+                docker logs "$container_name"  # Print logs when temp files are found
+                return 1
+            fi
+        fi
+        
+        # Extract only removed files (lines starting with "<")
+        grep "^<" "$diff_file" > "${diff_file}.removed" || true
+        if [ -s "${diff_file}.removed" ]; then
+            echo "Files removed during test:"
+            cat "${diff_file}.removed" | sed 's/^< //'
+        fi
+    else
+        echo "No file changes detected during test."
+    fi
+    
+    return 0
+}
+
 # Function to test a Docker Compose configuration
 test_compose() {
     local compose_file=$1
@@ -91,7 +221,7 @@ main() {
 
     # Building Docker images
     # docker build --no-cache --pull --build-arg VERSION_TAG=alpha -t stirlingtools/stirling-pdf:latest -f ./Dockerfile .
-    docker build --no-cache --pull --build-arg VERSION_TAG=alpha -t stirlingtools/stirling-pdf:latest-ultra-lite -f ./Dockerfile.ultra-lite .
+    docker build --build-arg VERSION_TAG=alpha -t docker.stirlingpdf.com/stirlingtools/stirling-pdf:latest-ultra-lite -f ./Dockerfile.ultra-lite .
 
     # Test each configuration
     run_tests "Stirling-PDF-Ultra-Lite" "./exampleYmlFiles/docker-compose-latest-ultra-lite.yml"
@@ -147,16 +277,55 @@ main() {
     run_tests "Stirling-PDF-Security-Fat-with-login" "./exampleYmlFiles/test_cicd.yml"
 
     if [ $? -eq 0 ]; then
+        # Create directory for file snapshots if it doesn't exist
+        SNAPSHOT_DIR="$PROJECT_ROOT/testing/file_snapshots"
+        mkdir -p "$SNAPSHOT_DIR"
+        
+        # Capture file list before running behave tests
+        BEFORE_FILE="$SNAPSHOT_DIR/files_before_behave.txt"
+        AFTER_FILE="$SNAPSHOT_DIR/files_after_behave.txt"
+        DIFF_FILE="$SNAPSHOT_DIR/files_diff.txt"
+        
+        # Define container name variable for consistency
+        CONTAINER_NAME="Stirling-PDF-Security-Fat-with-login"
+        
+        capture_file_list "$CONTAINER_NAME" "$BEFORE_FILE"
+        
         cd "testing/cucumber"
         if python -m behave; then
+            # Wait 10 seconds before capturing the file list after tests
+            echo "Waiting 5 seconds for any file operations to complete..."
+            sleep 5
+            
+            # Capture file list after running behave tests
+            cd "$PROJECT_ROOT"
+            capture_file_list "$CONTAINER_NAME" "$AFTER_FILE"
+            
+            # Compare file lists
+            if compare_file_lists "$BEFORE_FILE" "$AFTER_FILE" "$DIFF_FILE" "$CONTAINER_NAME"; then
+                echo "No unexpected temporary files found."
+                passed_tests+=("Stirling-PDF-Regression")
+            else
+                echo "WARNING: Unexpected temporary files detected after behave tests!"
+                failed_tests+=("Stirling-PDF-Regression-Temp-Files")
+            fi
+            
             passed_tests+=("Stirling-PDF-Regression")
         else
             failed_tests+=("Stirling-PDF-Regression")
             echo "Printing docker logs of failed regression"
-            docker logs "Stirling-PDF-Security-Fat-with-login"
+            docker logs "$CONTAINER_NAME"
             echo "Printed docker logs of failed regression"
+            
+            # Still capture file list after failure for analysis
+            # Wait 10 seconds before capturing the file list
+            echo "Waiting 5 seconds before capturing file list..."
+            sleep 10
+            
+            cd "$PROJECT_ROOT"
+            capture_file_list "$CONTAINER_NAME" "$AFTER_FILE"
+            compare_file_lists "$BEFORE_FILE" "$AFTER_FILE" "$DIFF_FILE" "$CONTAINER_NAME"
         fi
-        cd "$PROJECT_ROOT"
     fi
 
     docker-compose -f "./exampleYmlFiles/test_cicd.yml" down

testing/test_webpages.sh

@@ -2,122 +2,173 @@
 
 # Function to check a single webpage
 check_webpage() {
-    local url=$(echo "$1" | tr -d '\r')  # Remove carriage returns
-    local base_url=$(echo "$2" | tr -d '\r')
-    local full_url="${base_url}${url}"
-    local timeout=10
-    echo -n "Testing $full_url ... "
-    
-    # Use curl to fetch the page with timeout
-    response=$(curl -s -w "\n%{http_code}" --max-time $timeout "$full_url")
-    if [ $? -ne 0 ]; then
-        echo "FAILED - Connection error or timeout $full_url "
-        return 1
-    fi
+  local url=$(echo "$1" | tr -d '\r') # Remove carriage returns
+  local base_url=$(echo "$2" | tr -d '\r')
+  local full_url="${base_url}${url}"
+  local timeout=10
+  local result_file="$3"
 
-    # Split response into body and status code
-    HTTP_STATUS=$(echo "$response" | tail -n1)
-    BODY=$(echo "$response" | sed '$d')
+  # Use curl to fetch the page with timeout
+  response=$(curl -s -w "\n%{http_code}" --max-time $timeout "$full_url")
+  if [ $? -ne 0 ]; then
+    echo "FAILED - Connection error or timeout $full_url" >> "$result_file"
+    return 1
+  fi
 
-    # Check HTTP status
-    if [ "$HTTP_STATUS" != "200" ]; then
-        echo "FAILED - HTTP Status: $HTTP_STATUS"
-        return 1
-    fi
+  # Split response into body and status code
+  HTTP_STATUS=$(echo "$response" | tail -n1)
+  BODY=$(echo "$response" | sed '$d')
 
-    # Check if response contains HTML
-    if ! printf '%s' "$BODY" | grep -q "<!DOCTYPE html>\|<html"; then
-        echo "FAILED - Response is not HTML"
-        return 1
-    fi
+  # Check HTTP status
+  if [ "$HTTP_STATUS" != "200" ]; then
+    echo "FAILED - HTTP Status: $HTTP_STATUS - $full_url" >> "$result_file"
+    return 1
+  fi
 
-    echo "OK"
-    return 0
+  # Check if response contains HTML
+  if ! printf '%s' "$BODY" | grep -q "<!DOCTYPE html>\|<html"; then
+    echo "FAILED - Response is not HTML - $full_url" >> "$result_file"
+    return 1
+  fi
+
+  echo "OK - $full_url" >> "$result_file"
+  return 0
 }
 
-# Main function to test all URLs from the list
+# Function to test a URL and update counters
+test_url() {
+  local url="$1"
+  local base_url="$2"
+  local tmp_dir="$3"
+  local url_index="$4"
+  local result_file="${tmp_dir}/result_${url_index}.txt"
+
+  if ! check_webpage "$url" "$base_url" "$result_file"; then
+    echo "1" > "${tmp_dir}/failed_${url_index}"
+  else
+    echo "0" > "${tmp_dir}/failed_${url_index}"
+  fi
+}
+
+# Main function to test all URLs from the list in parallel
 test_all_urls() {
-    local url_file=$1
-    local base_url=${2:-"http://localhost:8080"}
-    local failed_count=0
-    local total_count=0
-    local start_time=$(date +%s)
+  local url_file="$1"
+  local base_url="${2:-"http://localhost:8080"}"
+  local max_parallel="${3:-10}"  # Default to 10 parallel processes
+  local failed_count=0
+  local total_count=0
+  local start_time=$(date +%s)
+  local tmp_dir=$(mktemp -d)
+  local active_jobs=0
+  local url_index=0
 
-    echo "Starting webpage tests..."
-    echo "Base URL: $base_url"
-	echo "Number of lines: $(wc -l < "$url_file")"
-    echo "----------------------------------------"
-	
-    while IFS= read -r url || [ -n "$url" ]; do
-        # Skip empty lines and comments
-        [[ -z "$url" || "$url" =~ ^#.*$ ]] && continue
-        
-        ((total_count++))
-        if ! check_webpage "$url" "$base_url"; then
-            ((failed_count++))
-        fi
-    done < "$url_file"
+  echo "Starting webpage tests..."
+  echo "Base URL: $base_url"
+  echo "Number of lines: $(wc -l < "$url_file")"
+  echo "Max parallel jobs: $max_parallel"
+  echo "----------------------------------------"
 
-    local end_time=$(date +%s)
-    local duration=$((end_time - start_time))
+  # Process each URL
+  while IFS= read -r url || [ -n "$url" ]; do
+    # Skip empty lines and comments
+    [[ -z "$url" || "$url" =~ ^#.*$ ]] && continue
+
+    ((total_count++))
+    ((url_index++))
     
-    echo "----------------------------------------"
-    echo "Test Summary:"
-    echo "Total tests: $total_count"
-    echo "Failed tests: $failed_count"
-    echo "Passed tests: $((total_count - failed_count))"
-    echo "Duration: ${duration} seconds"
+    # Run the check in background
+    test_url "$url" "$base_url" "$tmp_dir" "$url_index" &
+    
+    # Track the job
+    ((active_jobs++))
+    
+    # If we've reached max_parallel, wait for a job to finish
+    if [ $active_jobs -ge $max_parallel ]; then
+      wait -n  # Wait for any child process to exit
+      ((active_jobs--))
+    fi
+  done < "$url_file"
 
-    return $failed_count
+  # Wait for remaining jobs to finish
+  wait
+
+  # Print results in order and count failures
+  for i in $(seq 1 $url_index); do
+    if [ -f "${tmp_dir}/result_${i}.txt" ]; then
+      cat "${tmp_dir}/result_${i}.txt"
+    fi
+    
+    if [ -f "${tmp_dir}/failed_${i}" ]; then
+      failed_count=$((failed_count + $(cat "${tmp_dir}/failed_${i}")))
+    fi
+  done
+
+  # Clean up
+  rm -rf "$tmp_dir"
+
+  local end_time=$(date +%s)
+  local duration=$((end_time - start_time))
+
+  echo "----------------------------------------"
+  echo "Test Summary:"
+  echo "Total tests: $total_count"
+  echo "Failed tests: $failed_count"
+  echo "Passed tests: $((total_count - failed_count))"
+  echo "Duration: ${duration} seconds"
+
+  return $failed_count
 }
 
 # Print usage information
 usage() {
-    echo "Usage: $0 [-f url_file] [-b base_url]"
-    echo "Options:"
-    echo "  -f url_file   Path to file containing URLs to test (required)"
-    echo "  -b base_url   Base URL to prepend to test URLs (default: http://localhost:8080)"
-    exit 1
+  echo "Usage: $0 [-f url_file] [-b base_url] [-p max_parallel]"
+  echo "Options:"
+  echo "  -f url_file    Path to file containing URLs to test (required)"
+  echo "  -b base_url    Base URL to prepend to test URLs (default: http://localhost:8080)"
+  echo "  -p max_parallel Maximum number of parallel requests (default: 10)"
+  exit 1
 }
 
 # Main execution
 main() {
-    local url_file=""
-    local base_url="http://localhost:8080"
+  local url_file=""
+  local base_url="http://localhost:8080"
+  local max_parallel=10
 
-    # Parse command line options
-    while getopts ":f:b:h" opt; do
-        case $opt in
-            f) url_file="$OPTARG" ;;
-            b) base_url="$OPTARG" ;;
-            h) usage ;;
-            \?) echo "Invalid option -$OPTARG" >&2; usage ;;
-        esac
-    done
+  # Parse command line options
+  while getopts ":f:b:p:h" opt; do
+    case $opt in
+      f) url_file="$OPTARG" ;;
+      b) base_url="$OPTARG" ;;
+      p) max_parallel="$OPTARG" ;;
+      h) usage ;;
+      \?) echo "Invalid option -$OPTARG" >&2; usage ;;
+    esac
+  done
 
-    # Check if URL file is provided
-    if [ -z "$url_file" ]; then
-        echo "Error: URL file is required"
-        usage
-    fi
+  # Check if URL file is provided
+  if [ -z "$url_file" ]; then
+    echo "Error: URL file is required"
+    usage
+  fi
 
-    # Check if URL file exists
-    if [ ! -f "$url_file" ]; then
-        echo "Error: URL list file not found: $url_file"
-        exit 1
-    fi
-    
-    # Run tests using the URL list
-    if test_all_urls "$url_file" "$base_url"; then
-        echo "All webpage tests passed!"
-        exit 0
-    else
-        echo "Some webpage tests failed!"
-        exit 1
-    fi
+  # Check if URL file exists
+  if [ ! -f "$url_file" ]; then
+    echo "Error: URL list file not found: $url_file"
+    exit 1
+  fi
+
+  # Run tests using the URL list
+  if test_all_urls "$url_file" "$base_url" "$max_parallel"; then
+    echo "All webpage tests passed!"
+    exit 0
+  else
+    echo "Some webpage tests failed!"
+    exit 1
+  fi
 }
 
 # Run main if script is executed directly
 if [[ "${BASH_SOURCE[0]}" == "${0}" ]]; then
-    main "$@"
+  main "$@"
 fi