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This commit is contained in:
Anthony Stirling
2023-12-30 19:11:27 +00:00
parent 7b43fca6fc
commit 5f771b7851
155 changed files with 5539 additions and 4767 deletions
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72
src/main/java/stirling/software/SPDF/controller/api/MergeController.java
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@@ -1,7 +1,15 @@
package stirling.software.SPDF.controller.api;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.tags.Tag;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.nio.file.attribute.BasicFileAttributes;
import java.util.Arrays;
import java.util.Comparator;
import java.util.List;
import org.apache.pdfbox.io.MemoryUsageSetting;
import org.apache.pdfbox.multipdf.PDFMergerUtility;
import org.apache.pdfbox.pdmodel.PDDocument;
@@ -14,19 +22,13 @@ import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.tags.Tag;
import stirling.software.SPDF.model.api.general.MergePdfsRequest;
import stirling.software.SPDF.utils.WebResponseUtils;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.nio.file.attribute.BasicFileAttributes;
import java.util.Arrays;
import java.util.Comparator;
import java.util.List;
@RestController
@RequestMapping("/api/v1/general")
@Tag(name = "General", description = "General APIs")
@@ -34,7 +36,6 @@ public class MergeController {
private static final Logger logger = LoggerFactory.getLogger(MergeController.class);
private PDDocument mergeDocuments(List<PDDocument> documents) throws IOException {
PDDocument mergedDoc = new PDDocument();
for (PDDocument doc : documents) {
@@ -52,27 +53,39 @@ public class MergeController {
case "byDateModified":
return (file1, file2) -> {
try {
BasicFileAttributes attr1 = Files.readAttributes(Paths.get(file1.getOriginalFilename()), BasicFileAttributes.class);
BasicFileAttributes attr2 = Files.readAttributes(Paths.get(file2.getOriginalFilename()), BasicFileAttributes.class);
BasicFileAttributes attr1 =
Files.readAttributes(
Paths.get(file1.getOriginalFilename()),
BasicFileAttributes.class);
BasicFileAttributes attr2 =
Files.readAttributes(
Paths.get(file2.getOriginalFilename()),
BasicFileAttributes.class);
return attr1.lastModifiedTime().compareTo(attr2.lastModifiedTime());
} catch (IOException e) {
return 0; // If there's an error, treat them as equal
return 0; // If there's an error, treat them as equal
}
};
case "byDateCreated":
return (file1, file2) -> {
try {
BasicFileAttributes attr1 = Files.readAttributes(Paths.get(file1.getOriginalFilename()), BasicFileAttributes.class);
BasicFileAttributes attr2 = Files.readAttributes(Paths.get(file2.getOriginalFilename()), BasicFileAttributes.class);
BasicFileAttributes attr1 =
Files.readAttributes(
Paths.get(file1.getOriginalFilename()),
BasicFileAttributes.class);
BasicFileAttributes attr2 =
Files.readAttributes(
Paths.get(file2.getOriginalFilename()),
BasicFileAttributes.class);
return attr1.creationTime().compareTo(attr2.creationTime());
} catch (IOException e) {
return 0; // If there's an error, treat them as equal
return 0; // If there's an error, treat them as equal
}
};
case "byPDFTitle":
return (file1, file2) -> {
try (PDDocument doc1 = PDDocument.load(file1.getInputStream());
PDDocument doc2 = PDDocument.load(file2.getInputStream())) {
PDDocument doc2 = PDDocument.load(file2.getInputStream())) {
String title1 = doc1.getDocumentInformation().getTitle();
String title2 = doc2.getDocumentInformation().getTitle();
return title1.compareTo(title2);
@@ -82,14 +95,17 @@ public class MergeController {
};
case "orderProvided":
default:
return (file1, file2) -> 0; // Default is the order provided
return (file1, file2) -> 0; // Default is the order provided
}
}
@PostMapping(consumes = "multipart/form-data", value = "/merge-pdfs")
@Operation(summary = "Merge multiple PDF files into one",
description = "This endpoint merges multiple PDF files into a single PDF file. The merged file will contain all pages from the input files in the order they were provided. Input:PDF Output:PDF Type:MISO")
public ResponseEntity<byte[]> mergePdfs(@ModelAttribute MergePdfsRequest form) throws IOException {
@Operation(
summary = "Merge multiple PDF files into one",
description =
"This endpoint merges multiple PDF files into a single PDF file. The merged file will contain all pages from the input files in the order they were provided. Input:PDF Output:PDF Type:MISO")
public ResponseEntity<byte[]> mergePdfs(@ModelAttribute MergePdfsRequest form)
throws IOException {
try {
MultipartFile[] files = form.getFileInput();
Arrays.sort(files, getSortComparator(form.getSortType()));
@@ -101,14 +117,16 @@ public class MergeController {
mergedDoc.addSource(new ByteArrayInputStream(file.getBytes()));
}
mergedDoc.setDestinationFileName(files[0].getOriginalFilename().replaceFirst("[.][^.]+$", "") + "_merged.pdf");
mergedDoc.setDestinationFileName(
files[0].getOriginalFilename().replaceFirst("[.][^.]+$", "") + "_merged.pdf");
mergedDoc.setDestinationStream(docOutputstream);
mergedDoc.mergeDocuments(MemoryUsageSetting.setupMainMemoryOnly());
return WebResponseUtils.bytesToWebResponse(docOutputstream.toByteArray(), mergedDoc.getDestinationFileName());
return WebResponseUtils.bytesToWebResponse(
docOutputstream.toByteArray(), mergedDoc.getDestinationFileName());
} catch (Exception ex) {
logger.error("Error in merge pdf process", ex);
throw ex;
throw ex;
}
}
}