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filter update

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This commit is contained in:
Anthony Stirling 2023-07-02 00:34:04 +01:00
parent 59c72527b5
commit 73ab1936a3
2 changed files with 130 additions and 15 deletions
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119
src/main/java/stirling/software/SPDF/controller/api/filters/FilterController.java
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@ -7,6 +7,8 @@ import java.util.ArrayList;
import java.util.List;
import org.apache.pdfbox.pdmodel.PDDocument;
import org.apache.pdfbox.pdmodel.PDPage;
import org.apache.pdfbox.pdmodel.common.PDRectangle;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestPart;
@ -47,27 +49,114 @@ public class FilterController {
@PostMapping(consumes = "multipart/form-data", value = "/page-count")
@Operation(summary = "Checks if a PDF is greater, less or equal to a setPageCount", description = "Input:PDF Output:Boolean Type:SISO")
public ResponseEntity<byte[]> pageCount(
@RequestPart(required = true, value = "fileInput") @Parameter(description = "The input PDF file to be converted to a PDF/A file", required = true) MultipartFile inputFile,
@Parameter(description = "Page COunt", required = true) String pageCount,
@Parameter(description = "Comparison type, accepts Greater, Equal, Less than", required = false) String comparitor)
public Boolean pageCount(
@RequestPart(required = true, value = "fileInput") @Parameter(description = "The input PDF file", required = true) MultipartFile inputFile,
@Parameter(description = "Page Count", required = true) String pageCount,
@Parameter(description = "Comparison type, accepts Greater, Equal, Less than", required = false) String comparator)
throws IOException, InterruptedException {
return null;
// Load the PDF
PDDocument document = PDDocument.load(inputFile.getInputStream());
int actualPageCount = document.getNumberOfPages();
// Perform the comparison
switch (comparator) {
case "Greater":
return actualPageCount > Integer.parseInt(pageCount);
case "Equal":
return actualPageCount == Integer.parseInt(pageCount);
case "Less":
return actualPageCount < Integer.parseInt(pageCount);
default:
throw new IllegalArgumentException("Invalid comparator: " + comparator);
}
}
@PostMapping(consumes = "multipart/form-data", value = "/page-size")
@Operation(summary = "Checks if a PDF is a set size", description = "Input:PDF Output:Boolean Type:SISO")
public ResponseEntity<byte[]> pageSize(
@RequestPart(required = true, value = "fileInput") @Parameter(description = "The input PDF file to be converted to a PDF/A file", required = true) MultipartFile inputFile)
throws IOException, InterruptedException {
return null;
@Operation(summary = "Checks if a PDF is of a certain size", description = "Input:PDF Output:Boolean Type:SISO")
public Boolean pageSize(
@RequestPart(required = true, value = "fileInput") @Parameter(description = "The input PDF file", required = true) MultipartFile inputFile,
@Parameter(description = "Standard Page Size", required = true) String standardPageSize,
@Parameter(description = "Comparison type, accepts Greater, Equal, Less than", required = false) String comparator)
throws IOException, InterruptedException {
// Load the PDF
PDDocument document = PDDocument.load(inputFile.getInputStream());
PDPage firstPage = document.getPage(0);
PDRectangle actualPageSize = firstPage.getMediaBox();
// Calculate the area of the actual page size
float actualArea = actualPageSize.getWidth() * actualPageSize.getHeight();
// Get the standard size and calculate its area
PDRectangle standardSize = PdfUtils.textToPageSize(standardPageSize);
float standardArea = standardSize.getWidth() * standardSize.getHeight();
// Perform the comparison
switch (comparator) {
case "Greater":
return actualArea > standardArea;
case "Equal":
return actualArea == standardArea;
case "Less":
return actualArea < standardArea;
default:
throw new IllegalArgumentException("Invalid comparator: " + comparator);
}
}
@PostMapping(consumes = "multipart/form-data", value = "/file-size")
@Operation(summary = "Checks if a PDF is a set file size", description = "Input:PDF Output:Boolean Type:SISO")
public Boolean fileSize(
@RequestPart(required = true, value = "fileInput") @Parameter(description = "The input PDF file", required = true) MultipartFile inputFile,
@Parameter(description = "File Size", required = true) String fileSize,
@Parameter(description = "Comparison type, accepts Greater, Equal, Less than", required = false) String comparator)
throws IOException, InterruptedException {
// Get the file size
long actualFileSize = inputFile.getSize();
// Perform the comparison
switch (comparator) {
case "Greater":
return actualFileSize > Long.parseLong(fileSize);
case "Equal":
return actualFileSize == Long.parseLong(fileSize);
case "Less":
return actualFileSize < Long.parseLong(fileSize);
default:
throw new IllegalArgumentException("Invalid comparator: " + comparator);
}
}
@PostMapping(consumes = "multipart/form-data", value = "/page-rotation")
@Operation(summary = "Checks if a PDF is a set rotation", description = "Input:PDF Output:Boolean Type:SISO")
public ResponseEntity<byte[]> pageRotation(
@RequestPart(required = true, value = "fileInput") @Parameter(description = "The input PDF file to be converted to a PDF/A file", required = true) MultipartFile inputFile)
throws IOException, InterruptedException {
return null;
@Operation(summary = "Checks if a PDF is of a certain rotation", description = "Input:PDF Output:Boolean Type:SISO")
public Boolean pageRotation(
@RequestPart(required = true, value = "fileInput") @Parameter(description = "The input PDF file", required = true) MultipartFile inputFile,
@Parameter(description = "Rotation in degrees", required = true) int rotation,
@Parameter(description = "Comparison type, accepts Greater, Equal, Less than", required = false) String comparator)
throws IOException, InterruptedException {
// Load the PDF
PDDocument document = PDDocument.load(inputFile.getInputStream());
// Get the rotation of the first page
PDPage firstPage = document.getPage(0);
int actualRotation = firstPage.getRotation();
// Perform the comparison
switch (comparator) {
case "Greater":
return actualRotation > rotation;
case "Equal":
return actualRotation == rotation;
case "Less":
return actualRotation < rotation;
default:
throw new IllegalArgumentException("Invalid comparator: " + comparator);
}
}
}

26
src/main/java/stirling/software/SPDF/utils/PdfUtils.java
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@ -42,6 +42,32 @@ public class PdfUtils {
private static final Logger logger = LoggerFactory.getLogger(PdfUtils.class);
public static PDRectangle textToPageSize(String size) {
switch (size) {
case "A0":
return PDRectangle.A0;
case "A1":
return PDRectangle.A1;
case "A2":
return PDRectangle.A2;
case "A3":
return PDRectangle.A3;
case "A4":
return PDRectangle.A4;
case "A5":
return PDRectangle.A5;
case "A6":
return PDRectangle.A6;
case "LETTER":
return PDRectangle.LETTER;
case "LEGAL":
return PDRectangle.LEGAL;
default:
throw new IllegalArgumentException("Invalid standard page size: " + size);
}
}
public boolean hasImageInFile(PDDocument pdfDocument, String text, String pagesToCheck) throws IOException {
PDFTextStripper textStripper = new PDFTextStripper();
String pdfText = "";