import java.awt.*;
import java.awt.geom.Dimension2D;
import com.spire.pdf.*;
import com.spire.pdf.automaticfields.PdfAutomaticField;
import com.spire.pdf.automaticfields.PdfCompositeField;
import com.spire.pdf.automaticfields.PdfPageCountField;
import com.spire.pdf.automaticfields.PdfPageNumberField;
import com.spire.pdf.graphics.*;

public class PDFHeaderFooter {
    public static void main(String[] args) throws Exception {

        //create a PdfDocument object
        PdfDocument doc = new PdfDocument();

        //Set margins
        PdfMargins margin = new PdfMargins(60,60,40,40);

        //Call the method addHeaderAndFooter() to add header and footer
        addHeaderAndFooter(doc, PdfPageSize.A4, margin);

        //Add two pages to the PDF document and draw string to it.
        PdfPageBase page1 = doc.getPages().add();
        PdfPageBase page2 = doc.getPages().add();
        PdfTrueTypeFont font = new PdfTrueTypeFont(new Font("Arial", Font.PLAIN, 14));
        String text1 = "Demo of Spire.PDF";
        String text2 = "How to add header and footer to PDF in JAVA";
        page1.getCanvas().drawString(text1, font, PdfBrushes.getBlack(),0,0);
        page2.getCanvas().drawString(text2, font, PdfBrushes.getBlack(),0,0);
      
        //Save the document
        doc.saveToFile("output/headerFooter.pdf");
        doc.close();

    }
static void addHeaderAndFooter(PdfDocument doc, Dimension2D pageSize, PdfMargins margin) {

      PdfPageTemplateElement header = new PdfPageTemplateElement(margin.getLeft(), pageSize.getHeight());
      doc.getTemplate().setLeft(header);

      PdfPageTemplateElement topSpace = new PdfPageTemplateElement(pageSize.getWidth(), margin.getTop());
      topSpace.setForeground(true);
      doc.getTemplate().setTop(topSpace);

      //Draw header label
      PdfTrueTypeFont font= new PdfTrueTypeFont(new Font("Arial",Font.PLAIN,12));

      PdfStringFormat format = new PdfStringFormat(PdfTextAlignment.Left);
      String label = "E-iceblue Co.,Ltd";
      Dimension2D dimension2D = new Dimension();
      dimension2D.setSize(font.measureString(label, format));
      float y = topSpace.getHeight() - font.getHeight() - 1;
      PdfPen pen = new PdfPen(new PdfRGBColor(Color.black), 0.75f);
      topSpace.getGraphics().setTransparency(0.5f);
      topSpace.getGraphics().drawLine(pen, margin.getLeft(), y, pageSize.getWidth() - margin.getRight(), y);
      y = y - 1 - (float) dimension2D.getHeight();
      topSpace.getGraphics().drawString(label, font, PdfBrushes.getBlack(), margin.getLeft(), y, format);

      PdfPageTemplateElement rightSpace = new PdfPageTemplateElement(margin.getRight(), pageSize.getHeight());
      doc.getTemplate().setRight(rightSpace);


      //Draw dynamic fields as footer
      PdfPageTemplateElement footer = new PdfPageTemplateElement(pageSize.getWidth(), margin.getBottom());
      footer.setForeground(true);
      doc.getTemplate().setBottom(footer);

      y = font.getHeight() + 1;
      footer.getGraphics().setTransparency(0.5f);
      footer.getGraphics().drawLine(pen, margin.getLeft(), y, pageSize.getWidth() - margin.getRight(), y);
      y = y + 1;
      PdfPageNumberField pageNumber = new PdfPageNumberField();
      PdfPageCountField pageCount = new PdfPageCountField();
      PdfCompositeField pageNumberLabel = new PdfCompositeField();
      pageNumberLabel.setAutomaticFields(new PdfAutomaticField[]{pageNumber, pageCount});
      pageNumberLabel.setBrush(PdfBrushes.getBlack());
      pageNumberLabel.setFont(font);
      format = new PdfStringFormat(PdfTextAlignment.Right);
      pageNumberLabel.setStringFormat(format);
      pageNumberLabel.setText("page {0} of {1}");
      pageNumberLabel.setBounds(footer.getBounds());
      pageNumberLabel.draw(footer.getGraphics(), - margin.getLeft(), y);
  }

}