second commit of lab 4 (pdf sout and pdf modified)

src/Main.java

-import com.itextpdf.text.pdf.PdfReader;
+import com.itextpdf.text.Document;
+import com.itextpdf.text.DocumentException;
+import com.itextpdf.text.PageSize;
+import com.itextpdf.text.Paragraph;
+import com.itextpdf.text.pdf.*;
+import com.itextpdf.text.pdf.parser.PdfTextExtractor;
+
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.OutputStream;
 
 public class Main {
     public static void main(String[] args) {
 
         try {
             PdfReader pdfReader = new PdfReader("test.pdf");
+
             System.out.println(pdfReader.getNumberOfPages());
-        }catch (Exception e){
+            for(int i = 1 ; i<=pdfReader.getNumberOfPages();i++){
+                String pageContent = PdfTextExtractor.getTextFromPage(pdfReader,i);
+                System.out.println(pageContent);
+            }
+        } catch (Exception e) {
             System.out.println(e);
         }
     }
 }
+

src/outputpdf.java

+import com.itextpdf.text.pdf.BaseFont;
+import com.itextpdf.text.pdf.PdfContentByte;
+import com.itextpdf.text.pdf.PdfReader;
+import com.itextpdf.text.pdf.PdfStamper;
+
+import java.io.FileOutputStream;
+
+public class outputpdf {
+    public static void main(String args[]){
+        try {
+            //Create PdfReader instance.
+            PdfReader pdfReader =
+                    new PdfReader("test.pdf");
+
+            //Create PdfStamper instance.
+            PdfStamper pdfStamper = new PdfStamper(pdfReader,
+                    new FileOutputStream("D:\\ModifiedTestFile.pdf"));
+
+            //Create BaseFont instance.
+            BaseFont baseFont = BaseFont.createFont(
+                    BaseFont.TIMES_ROMAN,
+                    BaseFont.CP1252, BaseFont.NOT_EMBEDDED);
+
+            //Get the number of pages in pdf.
+            int pages = pdfReader.getNumberOfPages();
+
+            //Iterate the pdf through pages.
+            for(int i=1; i<=pages; i++) {
+                //Contain the pdf data.
+                PdfContentByte pageContentByte =
+                        pdfStamper.getOverContent(i);
+
+                pageContentByte.beginText();
+                //Set text font and size.
+                pageContentByte.setFontAndSize(baseFont, 14);
+
+                pageContentByte.setTextMatrix(50, 740);
+
+                //Write text
+                pageContentByte.showText("javawithease.com");
+                pageContentByte.endText();
+            }
+
+            //Close the pdfStamper.
+            pdfStamper.close();
+
+            System.out.println("PDF modified successfully.");
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+}