Generate a PDF in java - Apache PDFBox example

Apache PDFBox is an open source pure-Java library that can be used to create, render, print, split, merge, alter, verify and extract text and meta-data of PDF files.
This example covers the following topics

• Create a PDF document
• Add document properties such as Author, Title, Creation Date, Page Size, etc.
• Add Label Text with various font size and style
• Add Paragraph Text
• Draw lines and rectangle to create design layouts
• Insert an Image such as Company Logo

import java.awt.Color;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.GregorianCalendar;

import org.apache.pdfbox.pdmodel.PDDocument;
import org.apache.pdfbox.pdmodel.PDDocumentInformation;
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.PDFont;
import org.apache.pdfbox.pdmodel.font.PDType1Font;
import org.apache.pdfbox.pdmodel.graphics.image.PDImageXObject;


public class GeneratePDF {

 static float MARGIN = 25;

 public static void main(String[] args) {

  try {

   // Creating PDF document object 
   PDDocument document = new PDDocument();

   // Set document properties
   setDocumentProperties(document);

   // Add a page to the document with proper size
   PDPage page = new PDPage(PDRectangle.LETTER);
   document.addPage(page);

   // Insert an Image 
   insertImage(document, page, "images/apple_logo.png", MARGIN , 780);

   // Add some Text
   addText(document, page, "My sample TEXT for PDF", MARGIN , 650);

   // Add paragraph
   String data = "Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.";
   addParagraph(document, page, data, 0 , 625);

   // Draw Line
   drawLines(document, page, 25 , 500);

   // Draw Rectangle
   drawRectangle(document, page, 25 , 450);


   // Saving the document
   document.save("docs/out.pdf");

   // Closing the document  
   document.close();

  } catch (IOException e) {
   e.printStackTrace();
  }

 }

 private static void setDocumentProperties(PDDocument document) {

  // Creating the PDDocumentInformation object 
  PDDocumentInformation docInformation = document.getDocumentInformation();

  // Setting the author of the document
  docInformation.setAuthor("BetterThanZero");

  // Setting the title of the document
  docInformation.setTitle("PDF Document"); 

  // Setting the creator of the document 
  docInformation.setCreator("mysamplecode.com"); 

  // Setting the subject of the document 
  docInformation.setSubject("Learn PDFBox"); 

  // Setting the created date of the document 
  Calendar date = new GregorianCalendar();
  date.set(2019, 04, 28); 
  docInformation.setCreationDate(date);
  docInformation.setModificationDate(date); 

  // Setting keywords for the document 
  docInformation.setKeywords("samplecode, first pdf, pdfbox"); 

 }

 private static void insertImage(PDDocument document, PDPage page, String imageName, float x, float y) {

  try {
   // Get Content Stream for Writing Data
   PDPageContentStream contentStream = new PDPageContentStream(document, page);

   // Creating PDImageXObject object
   PDImageXObject pdImage = PDImageXObject.createFromFile(imageName , document);

   // Drawing the image in the PDF document
   contentStream.drawImage(pdImage, x, y-100, 100, 100);

   // Closing the content stream
   contentStream.close();

  } catch (IOException e) {
   e.printStackTrace();
  }

 }

 private static void addText(PDDocument document, PDPage page, String myText, float x, float y) {

  try {
   // Get Content Stream for Writing Data
   PDPageContentStream contentStream = new PDPageContentStream(document, page, PDPageContentStream.AppendMode.APPEND, true);

   // Begin the Content stream 
   contentStream.beginText(); 

   // Setting the font to the Content stream  
   contentStream.setFont(PDType1Font.TIMES_ROMAN, 12);

   // Setting the position for the line 
   contentStream.newLineAtOffset(x, y);

   // Adding text in the form of string 
   contentStream.showText(myText);      

   // Ending the content stream
   contentStream.endText();

   // Closing the content stream
   contentStream.close();

  } catch (IOException e) {
   e.printStackTrace();
  }

 }

 private static void addParagraph(PDDocument document, PDPage page, String myText, float x, float y) {

  try {

   // Setting the font 
   PDFont pdfFont = PDType1Font.TIMES_ROMAN;
   float fontSize = 12;
   float leading = 1.5f * fontSize;

   // Get the Width and X/Y coordinates
   PDRectangle mediabox = page.getMediaBox();
   float margin = MARGIN;
   float width = mediabox.getWidth() - (2 * margin);
   float startX = mediabox.getLowerLeftX() + margin;
   float startY = mediabox.getUpperRightY() - margin;
   if(x > 0){
    width = width - x;
    startX = startX + x;
   }
   if (y > 0 ){
    startY = y;
   }


   // Split the paragraph based on width and font size into multiple lines
   ArrayList lines = new ArrayList();
   int lastSpace = -1;
   while (myText.length() > 0)
   {
    int spaceIndex = myText.indexOf(' ', lastSpace + 1);
    if (spaceIndex < 0)
     spaceIndex = myText.length();
    String subString = myText.substring(0, spaceIndex);
    float size = fontSize * pdfFont.getStringWidth(subString) / 1000;
    if (size > width)
    {
     if (lastSpace < 0)
      lastSpace = spaceIndex;
     subString = myText.substring(0, lastSpace);
     lines.add(subString);
     myText = myText.substring(lastSpace).trim();
     lastSpace = -1;
    }
    else if (spaceIndex == myText.length())
    {
     lines.add(myText);
     myText = "";
    }
    else
    {
     lastSpace = spaceIndex;
    }
   }

   // Get Content Stream for Writing Data
   PDPageContentStream contentStream = new PDPageContentStream(document, page, PDPageContentStream.AppendMode.APPEND, true);

   contentStream.beginText();
   contentStream.setFont(pdfFont, fontSize);
   contentStream.setNonStrokingColor(Color.RED);
   contentStream.newLineAtOffset(startX, startY);
   for (String line: lines) {
    contentStream.showText(line);
    contentStream.newLineAtOffset(0, -leading);
   }
   contentStream.endText(); 
   contentStream.close();

  } catch (IOException e) {
   e.printStackTrace();
  }

 }

 private static void drawLines(PDDocument document, PDPage page, float x, float y) {

  try {

   PDRectangle mediabox = page.getMediaBox();
   float margin = MARGIN;
   float width = mediabox.getWidth() - (2 * margin);

   // Get Content Stream for Writing Data
   PDPageContentStream contentStream = new PDPageContentStream(document, page, PDPageContentStream.AppendMode.APPEND, true);

   // Setting the non stroking color
   contentStream.setStrokingColor(Color.GREEN);
   
   // lets make some lines
   contentStream.moveTo(x, y);
   contentStream.lineTo(x + width, y);
   contentStream.lineTo(x + width, y + 25);
   contentStream.lineTo(x, y + 25);
   contentStream.stroke();

   contentStream.close();

  } catch (IOException e) {
   e.printStackTrace();
  }

 }

 private static void drawRectangle(PDDocument document, PDPage page, float x, float y) {

  try {

   PDRectangle mediabox = page.getMediaBox();
   float margin = MARGIN;
   float width = mediabox.getWidth() - (2 * margin);

   // Get Content Stream for Writing Data
   PDPageContentStream contentStream = new PDPageContentStream(document, page, PDPageContentStream.AppendMode.APPEND, true);

   // Setting the non stroking color
   contentStream.setNonStrokingColor(Color.LIGHT_GRAY);

   // Drawing a rectangle 
   contentStream.addRect(x, y, width, 25);

   // Drawing a rectangle
   contentStream.fill();

   contentStream.close();

  } catch (IOException e) {
   e.printStackTrace();
  }

 }

}