Java By Comparison Pdf Github -

- name: Upload comparison report uses: actions/upload-artifact@v3 with: name: pdf-comparison-report path: comparison_report.txt # Basic comparison java PDFComparisonApp document1.pdf document2.pdf With GitHub integration java PDFComparisonApp document1.pdf document2.pdf --github-token ghp_your_token --repo username/repo Using the utility programmatically PDFComparator.ComparisonResult result = PDFComparator.compareByText("file1.pdf", "file2.pdf"); System.out.println(result);

private static String generateReport(String pdf1, String pdf2, PDFComparator.ComparisonResult textResult, PDFComparator.ComparisonResult pageResult) StringBuilder report = new StringBuilder(); report.append("PDF COMPARISON REPORT\n"); report.append("=====================\n\n"); report.append("File 1: ").append(pdf1).append("\n"); report.append("File 2: ").append(pdf2).append("\n"); report.append("Timestamp: ").append(new Date()).append("\n\n"); report.append("SUMMARY\n"); report.append("-------\n"); report.append("Text Comparison: ").append(textResult.isTextIdentical() ? "IDENTICAL" : "DIFFERENT").append("\n"); report.append("Page Count: ").append(pageResult.isPageCountsEqual() ? "EQUAL" : "DIFFERENT").append("\n\n"); if (!textResult.isTextIdentical() && textResult.getTextDifferences() != null) report.append("DETAILED DIFFERENCES\n"); report.append("--------------------\n"); for (String diff : textResult.getTextDifferences()) report.append(diff).append("\n\n"); return report.toString();

private static void saveReport(String report, String filename) throws IOException Files.write(Paths.get(filename), report.getBytes()); System.out.println("Report saved to: " + filename);

private static String extractTextFromPDF(String pdfPath) throws IOException try (PDDocument document = PDDocument.load(new File(pdfPath))) PDFTextStripper stripper = new PDFTextStripper(); return stripper.getText(document); java by comparison pdf github

import java.io.*; import java.nio.file.*; import java.util.*; import org.kohsuke.github.*; public class PDFComparisonApp

jobs: compare-pdfs: runs-on: ubuntu-latest

public static void main(String[] args) if (args.length < 2) System.out.println("Usage: java PDFComparisonApp <pdf1> <pdf2> [--github-token token] [--repo repo]"); return; String pdfPath1 = args[0]; String pdfPath2 = args[1]; try // Perform comparison PDFComparator.ComparisonResult textResult = PDFComparator.compareByText(pdfPath1, pdfPath2); PDFComparator.ComparisonResult pageResult = PDFComparator.comparePageByPage(pdfPath1, pdfPath2); // Generate report String report = generateReport(pdfPath1, pdfPath2, textResult, pageResult); // Save report saveReport(report, "comparison_report.txt"); // Upload to GitHub if token provided for (int i = 2; i < args.length; i++) if (args[i].equals("--github-token") && i + 1 < args.length) String token = args[i + 1]; String repo = (i + 2 < args.length && args[i + 2].equals("--repo")) ? args[i + 3] : null; uploadToGitHub(report, token, repo); break; catch (Exception e) System.err.println("Error comparing PDFs: " + e.getMessage()); e.printStackTrace(); args[i + 3] : null; uploadToGitHub(report, token, repo);

private static List<BufferedImage> convertPDFToImages(String pdfPath) throws IOException // Implementation depends on PDF renderer (e.g., PDFBox, Apache PDFBox with optional dependencies) // This is a placeholder - you'd need to implement actual conversion return new ArrayList<>();

<dependencies>  <dependency> <groupId>org.apache.pdfbox</groupId> <artifactId>pdfbox</artifactId> <version>3.0.0</version> </dependency>  <dependency> <groupId>org.kohsuke</groupId> <artifactId>github-api</artifactId> <version>1.318</version> </dependency>

<dependency> <groupId>com.github.difflib</groupId> <artifactId>difflib</artifactId> <version>1.3.0</version> </dependency> </dependencies> name: PDF Comparison on: pull_request: paths: - '**/*.pdf' workflow_dispatch: inputs: pdf1: description: 'First PDF file path' required: true pdf2: description: 'Second PDF file path' required: true args[i + 3] : null

// Method 1: Text-based comparison public static ComparisonResult compareByText(String pdfPath1, String pdfPath2) throws IOException String text1 = extractTextFromPDF(pdfPath1); String text2 = extractTextFromPDF(pdfPath2); ComparisonResult result = new ComparisonResult(); result.setTextIdentical(text1.equals(text2)); if (!result.isTextIdentical()) result.setTextDifferences(findTextDifferences(text1, text2)); return result;

public static class PageDifference private int pageNumber; private String text1; private String text2; public PageDifference(int pageNumber, String text1, String text2) this.pageNumber = pageNumber; this.text1 = text1; this.text2 = text2; // Getters public int getPageNumber() return pageNumber; public String getText1() return text1; public String getText2() return text2;

- name: Build and run PDF comparison run: | mvn compile mvn exec:java -Dexec.mainClass="PDFComparisonApp" \ -Dexec.args="$ github.event.inputs.pdf1 $ github.event.inputs.pdf2 \ --github-token $ secrets.GITHUB_TOKEN \ --repo $ github.repository "

// Method 3: Image-based comparison (requires PDF to image conversion) public static ComparisonResult compareByImages(String pdfPath1, String pdfPath2) throws IOException // Convert PDF pages to images first List<BufferedImage> images1 = convertPDFToImages(pdfPath1); List<BufferedImage> images2 = convertPDFToImages(pdfPath2); ComparisonResult result = new ComparisonResult(); result.setImagesIdentical(compareImages(images1, images2)); return result;

steps: - uses: actions/checkout@v3