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Anthony Stirling
2024-01-03 17:59:04 +00:00
parent 0c2b05eabf
commit 6fe268adcb
28 changed files with 3006 additions and 3007 deletions
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300
src/main/java/stirling/software/SPDF/controller/api/misc/PageNumbersController.java
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@@ -1,150 +1,150 @@
package stirling.software.SPDF.controller.api.misc;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.util.List;
import org.apache.pdfbox.pdmodel.PDDocument;
import org.apache.pdfbox.pdmodel.PDPage;
import org.apache.pdfbox.pdmodel.PDPageContentStream;
import org.apache.pdfbox.pdmodel.common.PDRectangle;
import org.apache.pdfbox.pdmodel.font.PDType1Font;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.ModelAttribute;
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.misc.AddPageNumbersRequest;
import stirling.software.SPDF.utils.GeneralUtils;
import stirling.software.SPDF.utils.WebResponseUtils;
@RestController
@RequestMapping("/api/v1/misc")
@Tag(name = "Misc", description = "Miscellaneous APIs")
public class PageNumbersController {
private static final Logger logger = LoggerFactory.getLogger(PageNumbersController.class);
@PostMapping(value = "/add-page-numbers", consumes = "multipart/form-data")
@Operation(
summary = "Add page numbers to a PDF document",
description =
"This operation takes an input PDF file and adds page numbers to it. Input:PDF Output:PDF Type:SISO")
public ResponseEntity<byte[]> addPageNumbers(@ModelAttribute AddPageNumbersRequest request)
throws IOException {
MultipartFile file = request.getFileInput();
String customMargin = request.getCustomMargin();
int position = request.getPosition();
int startingNumber = request.getStartingNumber();
String pagesToNumber = request.getPagesToNumber();
String customText = request.getCustomText();
int pageNumber = startingNumber;
byte[] fileBytes = file.getBytes();
PDDocument document = PDDocument.load(fileBytes);
float marginFactor;
switch (customMargin.toLowerCase()) {
case "small":
marginFactor = 0.02f;
break;
case "medium":
marginFactor = 0.035f;
break;
case "large":
marginFactor = 0.05f;
break;
case "x-large":
marginFactor = 0.075f;
break;
default:
marginFactor = 0.035f;
break;
}
float fontSize = 12.0f;
PDType1Font font = PDType1Font.HELVETICA;
if (pagesToNumber == null || pagesToNumber.length() == 0) {
pagesToNumber = "all";
}
if (customText == null || customText.length() == 0) {
customText = "{n}";
}
List<Integer> pagesToNumberList =
GeneralUtils.parsePageList(pagesToNumber.split(","), document.getNumberOfPages());
for (int i : pagesToNumberList) {
PDPage page = document.getPage(i);
PDRectangle pageSize = page.getMediaBox();
String text =
customText != null
? customText
.replace("{n}", String.valueOf(pageNumber))
.replace("{total}", String.valueOf(document.getNumberOfPages()))
.replace(
"{filename}",
file.getOriginalFilename()
.replaceFirst("[.][^.]+$", ""))
: String.valueOf(pageNumber);
float x, y;
int xGroup = (position - 1) % 3;
int yGroup = 2 - (position - 1) / 3;
switch (xGroup) {
case 0: // left
x = pageSize.getLowerLeftX() + marginFactor * pageSize.getWidth();
break;
case 1: // center
x = pageSize.getLowerLeftX() + (pageSize.getWidth() / 2);
break;
default: // right
x = pageSize.getUpperRightX() - marginFactor * pageSize.getWidth();
break;
}
switch (yGroup) {
case 0: // bottom
y = pageSize.getLowerLeftY() + marginFactor * pageSize.getHeight();
break;
case 1: // middle
y = pageSize.getLowerLeftY() + (pageSize.getHeight() / 2);
break;
default: // top
y = pageSize.getUpperRightY() - marginFactor * pageSize.getHeight();
break;
}
PDPageContentStream contentStream =
new PDPageContentStream(
document, page, PDPageContentStream.AppendMode.APPEND, true);
contentStream.beginText();
contentStream.setFont(font, fontSize);
contentStream.newLineAtOffset(x, y);
contentStream.showText(text);
contentStream.endText();
contentStream.close();
pageNumber++;
}
ByteArrayOutputStream baos = new ByteArrayOutputStream();
document.save(baos);
document.close();
return WebResponseUtils.bytesToWebResponse(
baos.toByteArray(),
file.getOriginalFilename().replaceFirst("[.][^.]+$", "") + "_numbersAdded.pdf",
MediaType.APPLICATION_PDF);
}
}
package stirling.software.SPDF.controller.api.misc;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.util.List;
import org.apache.pdfbox.pdmodel.PDDocument;
import org.apache.pdfbox.pdmodel.PDPage;
import org.apache.pdfbox.pdmodel.PDPageContentStream;
import org.apache.pdfbox.pdmodel.common.PDRectangle;
import org.apache.pdfbox.pdmodel.font.PDType1Font;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.ModelAttribute;
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.misc.AddPageNumbersRequest;
import stirling.software.SPDF.utils.GeneralUtils;
import stirling.software.SPDF.utils.WebResponseUtils;
@RestController
@RequestMapping("/api/v1/misc")
@Tag(name = "Misc", description = "Miscellaneous APIs")
public class PageNumbersController {
private static final Logger logger = LoggerFactory.getLogger(PageNumbersController.class);
@PostMapping(value = "/add-page-numbers", consumes = "multipart/form-data")
@Operation(
summary = "Add page numbers to a PDF document",
description =
"This operation takes an input PDF file and adds page numbers to it. Input:PDF Output:PDF Type:SISO")
public ResponseEntity<byte[]> addPageNumbers(@ModelAttribute AddPageNumbersRequest request)
throws IOException {
MultipartFile file = request.getFileInput();
String customMargin = request.getCustomMargin();
int position = request.getPosition();
int startingNumber = request.getStartingNumber();
String pagesToNumber = request.getPagesToNumber();
String customText = request.getCustomText();
int pageNumber = startingNumber;
byte[] fileBytes = file.getBytes();
PDDocument document = PDDocument.load(fileBytes);
float marginFactor;
switch (customMargin.toLowerCase()) {
case "small":
marginFactor = 0.02f;
break;
case "medium":
marginFactor = 0.035f;
break;
case "large":
marginFactor = 0.05f;
break;
case "x-large":
marginFactor = 0.075f;
break;
default:
marginFactor = 0.035f;
break;
}
float fontSize = 12.0f;
PDType1Font font = PDType1Font.HELVETICA;
if (pagesToNumber == null || pagesToNumber.length() == 0) {
pagesToNumber = "all";
}
if (customText == null || customText.length() == 0) {
customText = "{n}";
}
List<Integer> pagesToNumberList =
GeneralUtils.parsePageList(pagesToNumber.split(","), document.getNumberOfPages());
for (int i : pagesToNumberList) {
PDPage page = document.getPage(i);
PDRectangle pageSize = page.getMediaBox();
String text =
customText != null
? customText
.replace("{n}", String.valueOf(pageNumber))
.replace("{total}", String.valueOf(document.getNumberOfPages()))
.replace(
"{filename}",
file.getOriginalFilename()
.replaceFirst("[.][^.]+$", ""))
: String.valueOf(pageNumber);
float x, y;
int xGroup = (position - 1) % 3;
int yGroup = 2 - (position - 1) / 3;
switch (xGroup) {
case 0: // left
x = pageSize.getLowerLeftX() + marginFactor * pageSize.getWidth();
break;
case 1: // center
x = pageSize.getLowerLeftX() + (pageSize.getWidth() / 2);
break;
default: // right
x = pageSize.getUpperRightX() - marginFactor * pageSize.getWidth();
break;
}
switch (yGroup) {
case 0: // bottom
y = pageSize.getLowerLeftY() + marginFactor * pageSize.getHeight();
break;
case 1: // middle
y = pageSize.getLowerLeftY() + (pageSize.getHeight() / 2);
break;
default: // top
y = pageSize.getUpperRightY() - marginFactor * pageSize.getHeight();
break;
}
PDPageContentStream contentStream =
new PDPageContentStream(
document, page, PDPageContentStream.AppendMode.APPEND, true);
contentStream.beginText();
contentStream.setFont(font, fontSize);
contentStream.newLineAtOffset(x, y);
contentStream.showText(text);
contentStream.endText();
contentStream.close();
pageNumber++;
}
ByteArrayOutputStream baos = new ByteArrayOutputStream();
document.save(baos);
document.close();
return WebResponseUtils.bytesToWebResponse(
baos.toByteArray(),
file.getOriginalFilename().replaceFirst("[.][^.]+$", "") + "_numbersAdded.pdf",
MediaType.APPLICATION_PDF);
}
}