Mirrors/Stirling-PDF
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split fixes

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This commit is contained in:
Anthony Stirling 2024-01-01 12:14:46 +00:00
parent 4fbfd0bae4
commit 76e6a23674
3 changed files with 70 additions and 21 deletions
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7
src/main/java/stirling/software/SPDF/controller/api/SplitPdfBySectionsController.java
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@ -70,7 +70,7 @@ public class SplitPdfBySectionsController {
for (int i = 0; i < splitDocumentsBoas.size(); i++) {
ByteArrayOutputStream baos = splitDocumentsBoas.get(i);
int sectionNum = (i % (horiz * verti)) + 1;
String fileName = filename + "_" + pageNum + "_" + sectionNum + ".pdf";
String fileName = filename + "_" + pageNum + "_" + sectionNum + ".pdf";
byte[] pdf = baos.toByteArray();
ZipEntry pdfEntry = new ZipEntry(fileName);
zipOut.putNextEntry(pdfEntry);
@ -118,7 +118,7 @@ public class SplitPdfBySectionsController {
new PDPageContentStream(subDoc, subPage)) {
// Set clipping area and position
float translateX = -subPageWidth * i;
float translateY = height - subPageHeight * (verticalDivisions - j);
float translateY = -subPageHeight * (verticalDivisions - 1 - j);
contentStream.saveGraphicsState();
contentStream.addRect(0, 0, subPageWidth, subPageHeight);
@ -137,4 +137,7 @@ public class SplitPdfBySectionsController {
return splitDocuments;
}
}

54
src/main/java/stirling/software/SPDF/controller/api/pipeline/PipelineController.java
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@ -5,6 +5,8 @@ import java.io.InputStream;
import java.util.List;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;
import java.util.HashMap;
import java.util.Map;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@ -80,28 +82,46 @@ public class PipelineController {
return null;
}
// Create a ByteArrayOutputStream to hold the zip
ByteArrayOutputStream baos = new ByteArrayOutputStream();
ZipOutputStream zipOut = new ZipOutputStream(baos);
// Loop through each file and add it to the zip
for (Resource file : outputFiles) {
ZipEntry zipEntry = new ZipEntry(file.getFilename());
zipOut.putNextEntry(zipEntry);
// Create a ByteArrayOutputStream to hold the zip
ByteArrayOutputStream baos = new ByteArrayOutputStream();
ZipOutputStream zipOut = new ZipOutputStream(baos);
// Read the file into a byte array
InputStream is = file.getInputStream();
byte[] bytes = new byte[(int) file.contentLength()];
is.read(bytes);
// A map to keep track of filenames and their counts
Map<String, Integer> filenameCount = new HashMap<>();
// Write the bytes of the file to the zip
zipOut.write(bytes, 0, bytes.length);
zipOut.closeEntry();
// Loop through each file and add it to the zip
for (Resource file : outputFiles) {
String originalFilename = file.getFilename();
String filename = originalFilename;
is.close();
}
// Check if the filename already exists, and modify it if necessary
if (filenameCount.containsKey(originalFilename)) {
int count = filenameCount.get(originalFilename);
String baseName = originalFilename.replaceAll("\\.[^.]*$", "");
String extension = originalFilename.replaceAll("^.*\\.", "");
filename = baseName + "(" + count + ")." + extension;
filenameCount.put(originalFilename, count + 1);
} else {
filenameCount.put(originalFilename, 1);
}
zipOut.close();
ZipEntry zipEntry = new ZipEntry(filename);
zipOut.putNextEntry(zipEntry);
// Read the file into a byte array
InputStream is = file.getInputStream();
byte[] bytes = new byte[(int) file.contentLength()];
is.read(bytes);
// Write the bytes of the file to the zip
zipOut.write(bytes, 0, bytes.length);
zipOut.closeEntry();
is.close();
}
zipOut.close();
logger.info("Returning zipped file response...");
return WebResponseUtils.boasToWebResponse(

30
src/main/java/stirling/software/SPDF/controller/api/pipeline/PipelineProcessor.java
View File

@ -5,6 +5,8 @@ import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.IOException;
import java.io.PrintStream;
import java.net.URLDecoder;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
@ -217,11 +219,12 @@ public class PipelineProcessor {
throws IOException {
// Define filename
String newFilename;
if ("auto-rename".equals(operation)) {
if (operation.contains("auto-rename")) {
// If the operation is "auto-rename", generate a new filename.
// This is a simple example of generating a filename using current timestamp.
// Modify as per your needs.
newFilename = "file_" + System.currentTimeMillis();
newFilename = extractFilename(response);
} else {
// Otherwise, keep the original filename.
newFilename = fileName;
@ -245,6 +248,29 @@ public class PipelineProcessor {
return newOutputFiles;
}
public String extractFilename(ResponseEntity<byte[]> response) {
String filename = "default-filename.ext"; // Default filename if not found
HttpHeaders headers = response.getHeaders();
String contentDisposition = headers.getFirst(HttpHeaders.CONTENT_DISPOSITION);
if (contentDisposition != null && !contentDisposition.isEmpty()) {
String[] parts = contentDisposition.split(";");
for (String part : parts) {
if (part.trim().startsWith("filename")) {
// Extracts filename and removes quotes if present
filename = part.split("=")[1].trim().replace("\"", "");
filename = URLDecoder.decode(filename, StandardCharsets.UTF_8);
break;
}
}
}
return filename;
}
List<Resource> generateInputFiles(File[] files) throws Exception {
if (files == null || files.length == 0) {
logger.info("No files");