openPDF

etmt-be/pom.xml

@@ -30,11 +30,6 @@
             <artifactId>spring-boot-starter-security</artifactId>
         </dependency>
 
-        <dependency>
-            <groupId>org.projectlombok</groupId>
-            <artifactId>lombok</artifactId>
-            <optional>true</optional>
-        </dependency>
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-test</artifactId>
@@ -54,6 +49,21 @@
             <artifactId>spring-boot-starter-web</artifactId>
             <version>2.5.5</version>
         </dependency>
+        <dependency>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+            <optional>true</optional>
+        </dependency>
+        <dependency>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter-api</artifactId>
+            <version>5.8.1</version>
+        </dependency>
+        <dependency>
+            <groupId>com.github.librepdf</groupId>
+            <artifactId>openpdf</artifactId>
+            <version>1.3.26</version>
+        </dependency>
     </dependencies>
 
     <build>

etmt-be/src/main/java/cz/cvut/fel/pro/emtt/service/PDFService.java

+package cz.cvut.fel.pro.emtt.service;
+
+import com.lowagie.text.*;
+import com.lowagie.text.pdf.PdfName;
+import com.lowagie.text.pdf.PdfString;
+import com.lowagie.text.pdf.PdfWriter;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Service;
+
+import java.io.FileOutputStream;
+import java.io.IOException;
+
+@Service
+@Slf4j
+public class PDFService {
+
+    public void createDocument() {
+        log.info("creating a document ...");
+
+        var document = new Document();
+        try {
+            final PdfWriter pdfWriter = PdfWriter.getInstance(document, new FileOutputStream("myDocument.pdf"));
+
+            document.open();
+            pdfWriter.getInfo().put(PdfName.CREATOR, new PdfString(Document.getVersion()));
+            document.add(new Paragraph("This is my first document!"));
+            Paragraph p1 = new Paragraph(new Chunk(
+                    "This is my first paragraph. ",
+                    FontFactory.getFont(FontFactory.HELVETICA, 10)));
+            p1.add("The leading of this paragraph is calculated automagically. ");
+            p1.add("The default leading is 1.5 times the fontsize. ");
+            p1.add(new Chunk("You can add chunks "));
+            p1.add(new Phrase("or you can add phrases. "));
+            p1.add(new Phrase(
+                    "Unless you change the leading with the method setLeading, the leading doesn't change if you add text with another leading. This can lead to some problems.",
+                    FontFactory.getFont(FontFactory.HELVETICA, 18)));
+            document.add(p1);
+            Paragraph p2 = new Paragraph(new Phrase(
+                    "This is my second paragraph. ", FontFactory.getFont(
+                    FontFactory.HELVETICA, 12)));
+            p2.add("As you can see, it started on a new line.");
+            document.add(p2);
+            Paragraph p3 = new Paragraph("This is my third paragraph.",
+                    FontFactory.getFont(FontFactory.HELVETICA, 12));
+            document.add(p3);
+        } catch (DocumentException | IOException e) {
+            log.error(e.getMessage());
+        }
+        document.close();
+
+        log.info("document created successfully");
+    }
+
+}

etmt-be/src/test/java/cz/cvut/fel/pro/emtt/service/PDFServiceTest.java

+package cz.cvut.fel.pro.emtt.service;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+
+@SpringBootTest
+class PDFServiceTest {
+
+    @Autowired
+    private PDFService service;
+
+    @Test
+    void test_createDocument_shouldCreateFile() {
+        service.createDocument();
+    }
+
+}
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