- name: Set up JDK 11 uses: actions/setup-java@v3 with: java-version: '11' distribution: 'temurin'
private static boolean compareImages(List<BufferedImage> images1, List<BufferedImage> images2) if (images1.size() != images2.size()) return false; for (int i = 0; i < images1.size(); i++) BufferedImage img1 = images1.get(i); BufferedImage img2 = images2.get(i); if (img1.getWidth() != img2.getWidth() return true;
- 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 " 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);
// Helper classes public static class ComparisonResult private boolean textIdentical; private boolean pageCountsEqual; private boolean imagesIdentical; private List<String> textDifferences; private List<PageDifference> pageDifferences; // Getters and setters public boolean isTextIdentical() return textIdentical; public void setTextIdentical(boolean textIdentical) this.textIdentical = textIdentical; public boolean isPageCountsEqual() return pageCountsEqual; public void setPageCountsEqual(boolean pageCountsEqual) this.pageCountsEqual = pageCountsEqual; public boolean isImagesIdentical() return imagesIdentical; public void setImagesIdentical(boolean imagesIdentical) this.imagesIdentical = imagesIdentical; public List<String> getTextDifferences() return textDifferences; public void setTextDifferences(List<String> textDifferences) this.textDifferences = textDifferences; public List<PageDifference> getPageDifferences() return pageDifferences; public void setPageDifferences(List<PageDifference> pageDifferences) this.pageDifferences = pageDifferences; @Override public String toString() StringBuilder sb = new StringBuilder(); sb.append("PDF Comparison Results:\n"); sb.append("Text identical: ").append(textIdentical).append("\n"); sb.append("Page counts equal: ").append(pageCountsEqual).append("\n"); sb.append("Images identical: ").append(imagesIdentical).append("\n"); if (textDifferences != null && !textDifferences.isEmpty()) sb.append("Text differences:\n"); for (String diff : textDifferences) sb.append(" ").append(diff).append("\n"); if (pageDifferences != null && !pageDifferences.isEmpty()) sb.append("Page differences:\n"); for (PageDifference diff : pageDifferences) sb.append(" Page ").append(diff.getPageNumber()).append(" differs\n"); return sb.toString(); - name: Set up JDK 11 uses: actions/setup-java@v3
<dependencies> <!-- PDFBox for PDF manipulation --> <dependency> <groupId>org.apache.pdfbox</groupId> <artifactId>pdfbox</artifactId> <version>3.0.0</version> </dependency> <!-- GitHub API for integration --> <dependency> <groupId>org.kohsuke</groupId> <artifactId>github-api</artifactId> <version>1.318</version> </dependency>
private static String extractTextFromPDF(String pdfPath) throws IOException try (PDDocument document = PDDocument.load(new File(pdfPath))) PDFTextStripper stripper = new PDFTextStripper(); return stripper.getText(document); for (int i = 0
jobs: compare-pdfs: runs-on: ubuntu-latest