DGNum/Stirling-PDF
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util move around

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This commit is contained in:
Anthony Stirling 2023-05-31 20:15:48 +01:00
parent 005b158ad3
commit 1b45ab7222
25 changed files with 160 additions and 153 deletions
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4
src/main/java/stirling/software/SPDF/controller/api/MergeController.java
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@ -17,7 +17,7 @@ import org.springframework.web.multipart.MultipartFile;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.Parameter;
import stirling.software.SPDF.utils.PdfUtils;
import stirling.software.SPDF.utils.WebResponseUtils;
@RestController
public class MergeController {
@ -65,7 +65,7 @@ public class MergeController {
// Return the merged PDF as a response
ResponseEntity<byte[]> response = PdfUtils.pdfDocToWebResponse(mergedDoc, files[0].getOriginalFilename().replaceFirst("[.][^.]+$", "") + "_merged.pdf");
ResponseEntity<byte[]> response = WebResponseUtils.pdfDocToWebResponse(mergedDoc, files[0].getOriginalFilename().replaceFirst("[.][^.]+$", "") + "_merged.pdf");
for (PDDocument doc : documents) {
// Close the document after processing

7
src/main/java/stirling/software/SPDF/controller/api/RearrangePagesPDFController.java
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@ -2,6 +2,8 @@ package stirling.software.SPDF.controller.api;
import java.io.IOException;
import io.swagger.v3.oas.annotations.media.Schema;
import stirling.software.SPDF.utils.WebResponseUtils;
import java.util.ArrayList;
import java.util.List;
@ -18,7 +20,6 @@ import org.springframework.web.multipart.MultipartFile;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.Parameter;
import stirling.software.SPDF.utils.PdfUtils;
@RestController
public class RearrangePagesPDFController {
@ -48,7 +49,7 @@ public class RearrangePagesPDFController {
int pageIndex = pagesToRemove.get(i);
document.removePage(pageIndex);
}
return PdfUtils.pdfDocToWebResponse(document, pdfFile.getOriginalFilename().replaceFirst("[.][^.]+$", "") + "_removed_pages.pdf");
return WebResponseUtils.pdfDocToWebResponse(document, pdfFile.getOriginalFilename().replaceFirst("[.][^.]+$", "") + "_removed_pages.pdf");
}
@ -239,7 +240,7 @@ public class RearrangePagesPDFController {
document.addPage(page);
}
return PdfUtils.pdfDocToWebResponse(document, pdfFile.getOriginalFilename().replaceFirst("[.][^.]+$", "") + "_rearranged.pdf");
return WebResponseUtils.pdfDocToWebResponse(document, pdfFile.getOriginalFilename().replaceFirst("[.][^.]+$", "") + "_rearranged.pdf");
} catch (IOException e) {
logger.error("Failed rearranging documents", e);
return null;

4
src/main/java/stirling/software/SPDF/controller/api/RotationController.java
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@ -16,7 +16,7 @@ import org.springframework.web.multipart.MultipartFile;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.Parameter;
import stirling.software.SPDF.utils.PdfUtils;
import stirling.software.SPDF.utils.WebResponseUtils;
@RestController
public class RotationController {
@ -46,7 +46,7 @@ public class RotationController {
page.setRotation(page.getRotation() + angle);
}
return PdfUtils.pdfDocToWebResponse(document, pdfFile.getOriginalFilename().replaceFirst("[.][^.]+$", "") + "_rotated.pdf");
return WebResponseUtils.pdfDocToWebResponse(document, pdfFile.getOriginalFilename().replaceFirst("[.][^.]+$", "") + "_rotated.pdf");
}

3
src/main/java/stirling/software/SPDF/controller/api/converters/ConvertImgPDFController.java
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@ -21,6 +21,7 @@ import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.Parameter;
import io.swagger.v3.oas.annotations.media.Schema;
import stirling.software.SPDF.utils.PdfUtils;
import stirling.software.SPDF.utils.WebResponseUtils;
@RestController
public class ConvertImgPDFController {
@ -98,7 +99,7 @@ public class ConvertImgPDFController {
boolean autoRotate) throws IOException {
// Convert the file to PDF and get the resulting bytes
byte[] bytes = PdfUtils.imageToPdf(file, stretchToFit, autoRotate, colorType);
return PdfUtils.bytesToWebResponse(bytes, file[0].getOriginalFilename().replaceFirst("[.][^.]+$", "") + "_coverted.pdf");
return WebResponseUtils.bytesToWebResponse(bytes, file[0].getOriginalFilename().replaceFirst("[.][^.]+$", "") + "_coverted.pdf");
}
private String getMediaType(String imageFormat) {

4
src/main/java/stirling/software/SPDF/controller/api/converters/ConvertOfficeController.java
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@ -17,8 +17,8 @@ import org.springframework.web.multipart.MultipartFile;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.Parameter;
import stirling.software.SPDF.utils.PdfUtils;
import stirling.software.SPDF.utils.ProcessExecutor;
import stirling.software.SPDF.utils.WebResponseUtils;
@RestController
public class ConvertOfficeController {
@ -72,7 +72,7 @@ public class ConvertOfficeController {
// LibreOfficeListener.getInstance().start();
byte[] pdfByteArray = convertToPdf(inputFile);
return PdfUtils.bytesToWebResponse(pdfByteArray, inputFile.getOriginalFilename().replaceFirst("[.][^.]+$", "") + "_convertedToPDF.pdf");
return WebResponseUtils.bytesToWebResponse(pdfByteArray, inputFile.getOriginalFilename().replaceFirst("[.][^.]+$", "") + "_convertedToPDF.pdf");
}
}

4
src/main/java/stirling/software/SPDF/controller/api/converters/ConvertPDFToPDFA.java
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@ -14,8 +14,8 @@ import org.springframework.web.multipart.MultipartFile;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.Parameter;
import stirling.software.SPDF.utils.PdfUtils;
import stirling.software.SPDF.utils.ProcessExecutor;
import stirling.software.SPDF.utils.WebResponseUtils;
@RestController
public class ConvertPDFToPDFA {
@ -58,7 +58,7 @@ public class ConvertPDFToPDFA {
// Return the optimized PDF as a response
String outputFilename = inputFile.getOriginalFilename().replaceFirst("[.][^.]+$", "") + "_PDFA.pdf";
return PdfUtils.bytesToWebResponse(pdfBytes, outputFilename);
return WebResponseUtils.bytesToWebResponse(pdfBytes, outputFilename);
}
}

6
src/main/java/stirling/software/SPDF/controller/api/other/BlankPageController.java
View file

@ -28,9 +28,9 @@ import org.springframework.web.multipart.MultipartFile;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.Parameter;
import stirling.software.SPDF.utils.ImageFinder;
import stirling.software.SPDF.utils.PdfUtils;
import stirling.software.SPDF.pdf.ImageFinder;
import stirling.software.SPDF.utils.ProcessExecutor;
import stirling.software.SPDF.utils.WebResponseUtils;
@RestController
public class BlankPageController {
@ -109,7 +109,7 @@ public class BlankPageController {
}
}
return PdfUtils.pdfDocToWebResponse(document, inputFile.getOriginalFilename().replaceFirst("[.][^.]+$", "") + "_blanksRemoved.pdf");
return WebResponseUtils.pdfDocToWebResponse(document, inputFile.getOriginalFilename().replaceFirst("[.][^.]+$", "") + "_blanksRemoved.pdf");
} catch (IOException e) {
e.printStackTrace();
return new ResponseEntity<>(HttpStatus.INTERNAL_SERVER_ERROR);

7
src/main/java/stirling/software/SPDF/controller/api/other/CompressController.java
View file

@ -31,8 +31,9 @@ import org.springframework.web.multipart.MultipartFile;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.Parameter;
import io.swagger.v3.oas.annotations.media.Schema;
import stirling.software.SPDF.utils.PdfUtils;
import stirling.software.SPDF.utils.GeneralFileUtils;
import stirling.software.SPDF.utils.ProcessExecutor;
import stirling.software.SPDF.utils.WebResponseUtils;
@RestController
public class CompressController {
@ -55,7 +56,7 @@ public class CompressController {
Long expectedOutputSize = 0L;
boolean autoMode = false;
if (expectedOutputSizeString != null && expectedOutputSizeString.length() > 1 ) {
expectedOutputSize = PdfUtils.convertSizeToBytes(expectedOutputSizeString);
expectedOutputSize = GeneralFileUtils.convertSizeToBytes(expectedOutputSizeString);
autoMode = true;
}
@ -224,7 +225,7 @@ public class CompressController {
// Return the optimized PDF as a response
String outputFilename = inputFile.getOriginalFilename().replaceFirst("[.][^.]+$", "") + "_Optimized.pdf";
return PdfUtils.bytesToWebResponse(pdfBytes, outputFilename);
return WebResponseUtils.bytesToWebResponse(pdfBytes, outputFilename);
}
}

6
src/main/java/stirling/software/SPDF/controller/api/other/ExtractImageScansController.java
View file

@ -31,8 +31,8 @@ import org.springframework.web.multipart.MultipartFile;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.Parameter;
import stirling.software.SPDF.utils.PdfUtils;
import stirling.software.SPDF.utils.ProcessExecutor;
import stirling.software.SPDF.utils.WebResponseUtils;
@RestController
public class ExtractImageScansController {
@ -147,11 +147,11 @@ public class ExtractImageScansController {
// Clean up the temporary zip file
Files.delete(tempZipFile);
return PdfUtils.bytesToWebResponse(zipBytes, outputZipFilename, MediaType.APPLICATION_OCTET_STREAM);
return WebResponseUtils.bytesToWebResponse(zipBytes, outputZipFilename, MediaType.APPLICATION_OCTET_STREAM);
} else {
// Return the processed image as a response
byte[] imageBytes = processedImageBytes.get(0);
return PdfUtils.bytesToWebResponse(imageBytes, fileName.replaceFirst("[.][^.]+$", "") + ".png", MediaType.IMAGE_PNG);
return WebResponseUtils.bytesToWebResponse(imageBytes, fileName.replaceFirst("[.][^.]+$", "") + ".png", MediaType.IMAGE_PNG);
}
}

4
src/main/java/stirling/software/SPDF/controller/api/other/ExtractImagesController.java
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@ -29,7 +29,7 @@ import org.springframework.web.multipart.MultipartFile;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.Parameter;
import io.swagger.v3.oas.annotations.media.Schema;
import stirling.software.SPDF.utils.PdfUtils;
import stirling.software.SPDF.utils.WebResponseUtils;
@RestController
public class ExtractImagesController {
@ -106,7 +106,7 @@ public class ExtractImagesController {
// Create ByteArrayResource from byte array
byte[] zipContents = baos.toByteArray();
return PdfUtils.boasToWebResponse(baos, filename + "_extracted-images.zip", MediaType.APPLICATION_OCTET_STREAM);
return WebResponseUtils.boasToWebResponse(baos, filename + "_extracted-images.zip", MediaType.APPLICATION_OCTET_STREAM);
}
}

4
src/main/java/stirling/software/SPDF/controller/api/other/MetadataController.java
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@ -19,7 +19,7 @@ import org.springframework.web.multipart.MultipartFile;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.Parameter;
import stirling.software.SPDF.utils.PdfUtils;
import stirling.software.SPDF.utils.WebResponseUtils;
@RestController
public class MetadataController {
@ -159,7 +159,7 @@ public class MetadataController {
info.setTrapped(trapped);
document.setDocumentInformation(info);
return PdfUtils.pdfDocToWebResponse(document, pdfFile.getOriginalFilename().replaceFirst("[.][^.]+$", "") + "_metadata.pdf");
return WebResponseUtils.pdfDocToWebResponse(document, pdfFile.getOriginalFilename().replaceFirst("[.][^.]+$", "") + "_metadata.pdf");
}
}

4
src/main/java/stirling/software/SPDF/controller/api/other/MultiPageLayoutController.java
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@ -24,7 +24,7 @@ import com.itextpdf.kernel.pdf.xobject.PdfFormXObject;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.Parameter;
import io.swagger.v3.oas.annotations.media.Schema;
import stirling.software.SPDF.utils.PdfUtils;
import stirling.software.SPDF.utils.WebResponseUtils;
@RestController
public class MultiPageLayoutController {
@ -93,7 +93,7 @@ public class MultiPageLayoutController {
byte[] pdfContent = baos.toByteArray();
pdfDoc.close();
return PdfUtils.bytesToWebResponse(pdfContent, file.getOriginalFilename().replaceFirst("[.][^.]+$", "") + "_layoutChanged.pdf");
return WebResponseUtils.bytesToWebResponse(pdfContent, file.getOriginalFilename().replaceFirst("[.][^.]+$", "") + "_layoutChanged.pdf");
}
}

6
src/main/java/stirling/software/SPDF/controller/api/other/OCRController.java
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@ -27,8 +27,8 @@ import org.springframework.web.multipart.MultipartFile;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.Parameter;
import io.swagger.v3.oas.annotations.media.Schema;
import stirling.software.SPDF.utils.PdfUtils;
import stirling.software.SPDF.utils.ProcessExecutor;
import stirling.software.SPDF.utils.WebResponseUtils;
@RestController
public class OCRController {
@ -189,11 +189,11 @@ public class OCRController {
Files.delete(sidecarTextPath);
// Return the zip file containing both the PDF and the text file
return PdfUtils.bytesToWebResponse(zipBytes, outputZipFilename, MediaType.APPLICATION_OCTET_STREAM);
return WebResponseUtils.bytesToWebResponse(zipBytes, outputZipFilename, MediaType.APPLICATION_OCTET_STREAM);
} else {
// Return the OCR processed PDF as a response
Files.delete(tempOutputFile);
return PdfUtils.bytesToWebResponse(pdfBytes, outputFilename);
return WebResponseUtils.bytesToWebResponse(pdfBytes, outputFilename);
}
}

3
src/main/java/stirling/software/SPDF/controller/api/other/OverlayImageController.java
View file

@ -15,6 +15,7 @@ import org.springframework.web.multipart.MultipartFile;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.Parameter;
import stirling.software.SPDF.utils.PdfUtils;
import stirling.software.SPDF.utils.WebResponseUtils;
@RestController
public class OverlayImageController {
@ -47,7 +48,7 @@ public class OverlayImageController {
byte[] imageBytes = imageFile.getBytes();
byte[] result = PdfUtils.overlayImage(pdfBytes, imageBytes, x, y, everyPage);
return PdfUtils.bytesToWebResponse(result, pdfFile.getOriginalFilename().replaceFirst("[.][^.]+$", "") + "_overlayed.pdf");
return WebResponseUtils.bytesToWebResponse(result, pdfFile.getOriginalFilename().replaceFirst("[.][^.]+$", "") + "_overlayed.pdf");
} catch (IOException e) {
logger.error("Failed to add image to PDF", e);
return new ResponseEntity<>(HttpStatus.BAD_REQUEST);

4
src/main/java/stirling/software/SPDF/controller/api/other/RepairController.java
View file

@ -16,8 +16,8 @@ import org.springframework.web.multipart.MultipartFile;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.Parameter;
import stirling.software.SPDF.utils.PdfUtils;
import stirling.software.SPDF.utils.ProcessExecutor;
import stirling.software.SPDF.utils.WebResponseUtils;
@RestController
public class RepairController {
@ -60,7 +60,7 @@ public class RepairController {
// Return the optimized PDF as a response
String outputFilename = inputFile.getOriginalFilename().replaceFirst("[.][^.]+$", "") + "_repaired.pdf";
return PdfUtils.bytesToWebResponse(pdfBytes, outputFilename);
return WebResponseUtils.bytesToWebResponse(pdfBytes, outputFilename);
}
}

5
src/main/java/stirling/software/SPDF/controller/api/security/CertSignController.java
View file

@ -2,6 +2,8 @@ package stirling.software.SPDF.controller.api.security;
import java.io.ByteArrayInputStream;
import io.swagger.v3.oas.annotations.media.Schema;
import stirling.software.SPDF.utils.WebResponseUtils;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
@ -51,7 +53,6 @@ import com.itextpdf.signatures.SignatureUtil;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.Parameter;
import stirling.software.SPDF.utils.PdfUtils;
@RestController
public class CertSignController {
@ -239,7 +240,7 @@ public class CertSignController {
System.out.println("Signed PDF size: " + signedPdf.size());
System.out.println("PDF signed = " + isPdfSigned(signedPdf.toByteArray()));
return PdfUtils.bytesToWebResponse(signedPdf.toByteArray(), "example.pdf");
return WebResponseUtils.bytesToWebResponse(signedPdf.toByteArray(), "example.pdf");
}
public boolean isPdfSigned(byte[] pdfData) throws IOException {

6
src/main/java/stirling/software/SPDF/controller/api/security/PasswordController.java
View file

@ -17,7 +17,7 @@ import org.springframework.web.multipart.MultipartFile;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.Parameter;
import io.swagger.v3.oas.annotations.media.Schema;
import stirling.software.SPDF.utils.PdfUtils;
import stirling.software.SPDF.utils.WebResponseUtils;
@RestController
public class PasswordController {
@ -38,7 +38,7 @@ public class PasswordController {
String password) throws IOException {
PDDocument document = PDDocument.load(fileInput.getBytes(), password);
document.setAllSecurityToBeRemoved(true);
return PdfUtils.pdfDocToWebResponse(document, fileInput.getOriginalFilename().replaceFirst("[.][^.]+$", "") + "_password_removed.pdf");
return WebResponseUtils.pdfDocToWebResponse(document, fileInput.getOriginalFilename().replaceFirst("[.][^.]+$", "") + "_password_removed.pdf");
}
@PostMapping(consumes = "multipart/form-data", value = "/add-password")
@ -105,7 +105,7 @@ public class PasswordController {
document.protect(spp);
return PdfUtils.pdfDocToWebResponse(document, fileInput.getOriginalFilename().replaceFirst("[.][^.]+$", "") + "_passworded.pdf");
return WebResponseUtils.pdfDocToWebResponse(document, fileInput.getOriginalFilename().replaceFirst("[.][^.]+$", "") + "_passworded.pdf");
}

4
src/main/java/stirling/software/SPDF/controller/api/security/WatermarkController.java
View file

@ -19,7 +19,7 @@ import org.springframework.web.multipart.MultipartFile;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.Parameter;
import stirling.software.SPDF.utils.PdfUtils;
import stirling.software.SPDF.utils.WebResponseUtils;
@RestController
public class WatermarkController {
@ -91,7 +91,7 @@ public class WatermarkController {
// Close the content stream
contentStream.close();
}
return PdfUtils.pdfDocToWebResponse(document, pdfFile.getOriginalFilename().replaceFirst("[.][^.]+$", "") + "_watermarked.pdf");
return WebResponseUtils.pdfDocToWebResponse(document, pdfFile.getOriginalFilename().replaceFirst("[.][^.]+$", "") + "_watermarked.pdf");
}
}

2
src/main/java/stirling/software/SPDF/utils/ImageFinder.java → src/main/java/stirling/software/SPDF/pdf/ImageFinder.java
View file

@ -1,4 +1,4 @@
package stirling.software.SPDF.utils;
package stirling.software.SPDF.pdf;
import java.awt.geom.Point2D;
import java.io.IOException;

30
src/main/java/stirling/software/SPDF/utils/GeneralFileUtils.java Normal file
View file

@ -0,0 +1,30 @@
package stirling.software.SPDF.utils;
public class GeneralFileUtils {
public static Long convertSizeToBytes(String sizeStr) {
if (sizeStr == null) {
return null;
}
sizeStr = sizeStr.trim().toUpperCase();
try {
if (sizeStr.endsWith("KB")) {
return (long) (Double.parseDouble(sizeStr.substring(0, sizeStr.length() - 2)) * 1024);
} else if (sizeStr.endsWith("MB")) {
return (long) (Double.parseDouble(sizeStr.substring(0, sizeStr.length() - 2)) * 1024 * 1024);
} else if (sizeStr.endsWith("GB")) {
return (long) (Double.parseDouble(sizeStr.substring(0, sizeStr.length() - 2)) * 1024 * 1024 * 1024);
} else if (sizeStr.endsWith("B")) {
return Long.parseLong(sizeStr.substring(0, sizeStr.length() - 1));
} else {
// Input string does not have a valid format, handle this case
}
} catch (NumberFormatException e) {
// The numeric part of the input string cannot be parsed, handle this case
}
return null;
}
}

25
src/main/java/stirling/software/SPDF/utils/ImageProcessingUtils.java Normal file
View file

@ -0,0 +1,25 @@
package stirling.software.SPDF.utils;
import java.awt.image.BufferedImage;
public class ImageProcessingUtils {
static BufferedImage convertColorType(BufferedImage sourceImage, String colorType) {
BufferedImage convertedImage;
switch (colorType) {
case "greyscale":
convertedImage = new BufferedImage(sourceImage.getWidth(), sourceImage.getHeight(), BufferedImage.TYPE_BYTE_GRAY);
convertedImage.getGraphics().drawImage(sourceImage, 0, 0, null);
break;
case "blackwhite":
convertedImage = new BufferedImage(sourceImage.getWidth(), sourceImage.getHeight(), BufferedImage.TYPE_BYTE_BINARY);
convertedImage.getGraphics().drawImage(sourceImage, 0, 0, null);
break;
default: // full color
convertedImage = sourceImage;
break;
}
return convertedImage;
}
}

5
src/main/java/stirling/software/SPDF/utils/PDFManipulationUtils.java Normal file
View file

@ -0,0 +1,5 @@
package stirling.software.SPDF.utils;
public class PDFManipulationUtils {
}

2
src/main/java/stirling/software/SPDF/utils/PDFToFile.java
View file

@ -92,6 +92,6 @@ public class PDFToFile {
if (tempOutputDir != null)
FileUtils.deleteDirectory(tempOutputDir.toFile());
}
return PdfUtils.bytesToWebResponse(fileBytes, fileName, MediaType.APPLICATION_OCTET_STREAM);
return WebResponseUtils.bytesToWebResponse(fileBytes, fileName, MediaType.APPLICATION_OCTET_STREAM);
}
}

114
src/main/java/stirling/software/SPDF/utils/PdfUtils.java
View file

@ -8,8 +8,6 @@ import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URLEncoder;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.security.KeyPair;
import java.security.KeyStore;
@ -37,39 +35,12 @@ import org.apache.pdfbox.rendering.ImageType;
import org.apache.pdfbox.rendering.PDFRenderer;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import org.springframework.web.multipart.MultipartFile;
public class PdfUtils {
private static final Logger logger = LoggerFactory.getLogger(PdfUtils.class);
public static ResponseEntity<byte[]> boasToWebResponse(ByteArrayOutputStream baos, String docName) throws IOException {
return PdfUtils.bytesToWebResponse(baos.toByteArray(), docName);
}
public static ResponseEntity<byte[]> boasToWebResponse(ByteArrayOutputStream baos, String docName, MediaType mediaType) throws IOException {
return PdfUtils.bytesToWebResponse(baos.toByteArray(), docName, mediaType);
}
public static ResponseEntity<byte[]> bytesToWebResponse(byte[] bytes, String docName, MediaType mediaType) throws IOException {
// Return the PDF as a response
HttpHeaders headers = new HttpHeaders();
headers.setContentType(mediaType);
headers.setContentLength(bytes.length);
String encodedDocName = URLEncoder.encode(docName, StandardCharsets.UTF_8.toString()).replaceAll("\\+", "%20");
headers.setContentDispositionFormData("attachment", encodedDocName);
return new ResponseEntity<>(bytes, headers, HttpStatus.OK);
}
public static ResponseEntity<byte[]> bytesToWebResponse(byte[] bytes, String docName) throws IOException {
return bytesToWebResponse(bytes, docName, MediaType.APPLICATION_PDF);
}
public static byte[] convertFromPdf(byte[] inputStream, String imageType, ImageType colorType, boolean singleImage, int DPI, String filename) throws IOException, Exception {
try (PDDocument document = PDDocument.load(new ByteArrayInputStream(inputStream))) {
PDFRenderer pdfRenderer = new PDFRenderer(document);
@ -134,7 +105,7 @@ public class PdfUtils {
int numPages = reader.getNumImages(true);
for (int i = 0; i < numPages; i++) {
BufferedImage pageImage = reader.read(i);
BufferedImage convertedImage = convertColorType(pageImage, colorType);
BufferedImage convertedImage = ImageProcessingUtils.convertColorType(pageImage, colorType);
PDImageXObject pdImage = LosslessFactory.createFromImage(doc, convertedImage);
addImageToDocument(doc, pdImage, stretchToFit, autoRotate);
}
@ -147,7 +118,7 @@ public class PdfUtils {
fos.write(buffer, 0, len);
}
BufferedImage image = ImageIO.read(imageFile);
BufferedImage convertedImage = convertColorType(image, colorType);
BufferedImage convertedImage = ImageProcessingUtils.convertColorType(image, colorType);
PDImageXObject pdImage;
if (contentType != null && (contentType.equals("image/jpeg"))) {
pdImage = JPEGFactory.createFromImage(doc, convertedImage);
@ -170,24 +141,6 @@ public class PdfUtils {
}
}
private static BufferedImage convertColorType(BufferedImage sourceImage, String colorType) {
BufferedImage convertedImage;
switch (colorType) {
case "greyscale":
convertedImage = new BufferedImage(sourceImage.getWidth(), sourceImage.getHeight(), BufferedImage.TYPE_BYTE_GRAY);
convertedImage.getGraphics().drawImage(sourceImage, 0, 0, null);
break;
case "blackwhite":
convertedImage = new BufferedImage(sourceImage.getWidth(), sourceImage.getHeight(), BufferedImage.TYPE_BYTE_BINARY);
convertedImage.getGraphics().drawImage(sourceImage, 0, 0, null);
break;
default: // full color
convertedImage = sourceImage;
break;
}
return convertedImage;
}
private static void addImageToDocument(PDDocument doc, PDImageXObject image, boolean stretchToFit, boolean autoRotate) throws IOException {
boolean imageIsLandscape = image.getWidth() > image.getHeight();
PDRectangle pageSize = PDRectangle.A4;
@ -224,33 +177,6 @@ public class PdfUtils {
}
}
public static X509Certificate[] loadCertificateChainFromKeystore(InputStream keystoreInputStream, String keystorePassword) throws Exception {
KeyStore keystore = KeyStore.getInstance(KeyStore.getDefaultType());
keystore.load(keystoreInputStream, keystorePassword.toCharArray());
String alias = keystore.aliases().nextElement();
Certificate[] certChain = keystore.getCertificateChain(alias);
X509Certificate[] x509CertChain = new X509Certificate[certChain.length];
for (int i = 0; i < certChain.length; i++) {
x509CertChain[i] = (X509Certificate) certChain[i];
}
return x509CertChain;
}
public static KeyPair loadKeyPairFromKeystore(InputStream keystoreInputStream, String keystorePassword) throws Exception {
KeyStore keystore = KeyStore.getInstance(KeyStore.getDefaultType());
keystore.load(keystoreInputStream, keystorePassword.toCharArray());
String alias = keystore.aliases().nextElement();
PrivateKey privateKey = (PrivateKey) keystore.getKey(alias, keystorePassword.toCharArray());
Certificate cert = keystore.getCertificate(alias);
PublicKey publicKey = cert.getPublicKey();
return new KeyPair(publicKey, privateKey);
}
public static byte[] overlayImage(byte[] pdfBytes, byte[] imageBytes, float x, float y, boolean everyPage) throws IOException {
PDDocument document = PDDocument.load(new ByteArrayInputStream(pdfBytes));
@ -282,41 +208,7 @@ public class PdfUtils {
return baos.toByteArray();
}
public static ResponseEntity<byte[]> pdfDocToWebResponse(PDDocument document, String docName) throws IOException {
// Open Byte Array and save document to it
ByteArrayOutputStream baos = new ByteArrayOutputStream();
document.save(baos);
// Close the document
document.close();
return PdfUtils.boasToWebResponse(baos, docName);
}
public static Long convertSizeToBytes(String sizeStr) {
if (sizeStr == null) {
return null;
}
sizeStr = sizeStr.trim().toUpperCase();
try {
if (sizeStr.endsWith("KB")) {
return (long) (Double.parseDouble(sizeStr.substring(0, sizeStr.length() - 2)) * 1024);
} else if (sizeStr.endsWith("MB")) {
return (long) (Double.parseDouble(sizeStr.substring(0, sizeStr.length() - 2)) * 1024 * 1024);
} else if (sizeStr.endsWith("GB")) {
return (long) (Double.parseDouble(sizeStr.substring(0, sizeStr.length() - 2)) * 1024 * 1024 * 1024);
} else if (sizeStr.endsWith("B")) {
return Long.parseLong(sizeStr.substring(0, sizeStr.length() - 1));
} else {
// Input string does not have a valid format, handle this case
}
} catch (NumberFormatException e) {
// The numeric part of the input string cannot be parsed, handle this case
}
return null;
}
}

50
src/main/java/stirling/software/SPDF/utils/WebResponseUtils.java Normal file
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@ -0,0 +1,50 @@
package stirling.software.SPDF.utils;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.net.URLEncoder;
import java.nio.charset.StandardCharsets;
import org.apache.pdfbox.pdmodel.PDDocument;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
public class WebResponseUtils {
public static ResponseEntity<byte[]> boasToWebResponse(ByteArrayOutputStream baos, String docName) throws IOException {
return WebResponseUtils.bytesToWebResponse(baos.toByteArray(), docName);
}
public static ResponseEntity<byte[]> boasToWebResponse(ByteArrayOutputStream baos, String docName, MediaType mediaType) throws IOException {
return WebResponseUtils.bytesToWebResponse(baos.toByteArray(), docName, mediaType);
}
public static ResponseEntity<byte[]> bytesToWebResponse(byte[] bytes, String docName, MediaType mediaType) throws IOException {
// Return the PDF as a response
HttpHeaders headers = new HttpHeaders();
headers.setContentType(mediaType);
headers.setContentLength(bytes.length);
String encodedDocName = URLEncoder.encode(docName, StandardCharsets.UTF_8.toString()).replaceAll("\\+", "%20");
headers.setContentDispositionFormData("attachment", encodedDocName);
return new ResponseEntity<>(bytes, headers, HttpStatus.OK);
}
public static ResponseEntity<byte[]> bytesToWebResponse(byte[] bytes, String docName) throws IOException {
return bytesToWebResponse(bytes, docName, MediaType.APPLICATION_PDF);
}
public static ResponseEntity<byte[]> pdfDocToWebResponse(PDDocument document, String docName) throws IOException {
// Open Byte Array and save document to it
ByteArrayOutputStream baos = new ByteArrayOutputStream();
document.save(baos);
// Close the document
document.close();
return boasToWebResponse(baos, docName);
}
}