BAEL-5943 Using Watermarks with iText in Java (#13178)

* BAEL-5943 Using Watermarks with iText in Java * BAEL-5943 Update * BAEL-5943 Update * BAEL-5943 Update
2022-12-23 21:05:04 +01:00
parent 9215eee368
commit 966b349fba
7 changed files with 257 additions and 0 deletions
@@ -0,0 +1,39 @@
+package com.baeldung.iTextPDFTest;
+
+import static com.itextpdf.kernel.pdf.canvas.parser.PdfTextExtractor.getTextFromPage;
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.junit.jupiter.api.Assertions.*;
+
+import java.io.IOException;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+import com.baeldung.iTextPDF.StoryTime;
+import com.itextpdf.kernel.pdf.PdfDocument;
+import com.itextpdf.kernel.pdf.PdfReader;
+import com.itextpdf.kernel.pdf.PdfWriter;
+import com.itextpdf.kernel.pdf.canvas.parser.listener.LocationTextExtractionStrategy;
+import com.itextpdf.kernel.pdf.extgstate.PdfExtGState;
+import com.itextpdf.layout.Document;
+import com.itextpdf.layout.element.Paragraph;
+
+class AddWaterMarkToExistingPdfUnitTest {
+
+    @Test
+    public void givenAnExistingPDF_whenManipulatedPDFWithIText_thenGeneratePDFwithWatermarks() throws IOException {
+        StoryTime storyTime = new StoryTime();
+        String outputPdf = "output/aliceupdated.pdf";
+        String watermark = "CONFIDENTIAL";
+
+        LocationTextExtractionStrategy extStrategy = new LocationTextExtractionStrategy();
+        try (PdfDocument pdfDocument = new PdfDocument(new PdfReader(outputPdf))) {
+            for (int i = 1; i <= pdfDocument.getNumberOfPages(); i++) {
+                String textFromPage = getTextFromPage(pdfDocument.getPage(i), extStrategy);
+                assertThat(textFromPage).contains(watermark);
+            }
+        }
+
+    }
+
+}
@@ -0,0 +1,37 @@
+package com.baeldung.iTextPDFTest;
+
+import static com.itextpdf.kernel.pdf.canvas.parser.PdfTextExtractor.getTextFromPage;
+import static org.assertj.core.api.Assertions.assertThat;
+
+import java.io.IOException;
+
+import org.junit.jupiter.api.Test;
+
+import com.baeldung.iTextPDF.StoryTime;
+import com.itextpdf.io.font.constants.StandardFonts;
+import com.itextpdf.kernel.font.PdfFontFactory;
+import com.itextpdf.kernel.pdf.PdfDocument;
+import com.itextpdf.kernel.pdf.PdfReader;
+import com.itextpdf.kernel.pdf.PdfWriter;
+import com.itextpdf.kernel.pdf.canvas.parser.listener.LocationTextExtractionStrategy;
+import com.itextpdf.layout.Document;
+import com.itextpdf.layout.element.Paragraph;
+
+class GenerateNewPdfWithWatermarkUnitTest {
+
+    @Test
+    public void givenNewTexts_whenGeneratingNewPDFWithIText_thenGeneratePDFwithWatermarks() throws IOException {
+        StoryTime storyTime = new StoryTime();
+        String waterMark = "CONFIDENTIAL";
+
+        LocationTextExtractionStrategy extStrategy = new LocationTextExtractionStrategy();
+        try (PdfDocument pdfDocument = new PdfDocument(new PdfReader(storyTime.OUTPUT_FILE))) {
+            for (int i = 1; i <= pdfDocument.getNumberOfPages(); i++) {
+                String textFromPage = getTextFromPage(pdfDocument.getPage(i), extStrategy);
+                assertThat(textFromPage).contains(waterMark);
+            }
+        }
+
+    }
+
+}