PDF Files Utilities

PDFUtils

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.List;

import com.itextpdf.text.Document;
import com.itextpdf.text.DocumentException;
import com.itextpdf.text.Element;
import com.itextpdf.text.Font;
import com.itextpdf.text.Paragraph;
import com.itextpdf.text.pdf.PdfReader;
import com.itextpdf.text.pdf.PdfWriter;
import com.itextpdf.text.pdf.parser.PdfTextExtractor;

public class PDFUtils {
    //Please add itextpdf dependency
    //    <dependency>
    //			<groupId>com.itextpdf</groupId>
    //			<artifactId>itextpdf</artifactId>
    //			<version>version</version>
    //	  </dependency>
    
    private static void writeUsingIText(String PDFpath) {

        Document document = new Document();

        try {
            PdfWriter.getInstance(document, new FileOutputStream(new File(PDFpath)));

            // open
            document.open();

            Paragraph p = new Paragraph();
            p.add("This is my paragraph 1");
            p.setAlignment(Element.ALIGN_CENTER);
            document.add(p);

            Paragraph p2 = new Paragraph();
            p2.add("This is my paragraph 2"); // no alignment

            document.add(p2);

            Font f = new Font();
            f.setStyle(Font.BOLD);
            f.setSize(8);

            document.add(new Paragraph("This is my paragraph 3", f));

            // close
            document.close();

            System.out.println("Done");

        } catch (FileNotFoundException | DocumentException e) {
            e.printStackTrace();
        } catch (@SuppressWarnings("hiding") IOException e) {
            e.printStackTrace();
        }

    }

    private static PdfReader loadPDF(String PDFpath) {
        PdfReader reader = null;
        try {
            reader = new PdfReader(PDFpath);
        } catch (IOException e) {
            e.printStackTrace();
        }
        return reader;
    }

    public static boolean isTextDisplayedInFile(String PDFpath, String singleText) {

        int pages = 0;
        String textFromPage = null;
        PdfReader reader = loadPDF(PDFpath);
        pages = reader.getNumberOfPages();

        try {
            for (int i = 1; i < pages; i++) {
                textFromPage = PdfTextExtractor.getTextFromPage(reader, 1);
                if (textFromPage.contains(singleText)) {
                    System.out.println(textFromPage);
                    return true;
                }
            }

            reader.close();
            return true;
        } catch (IOException e) {
            e.printStackTrace();
        }
        return false;
    }

    public static boolean isTextDisplayedInFile(String PDFpath, List<String> texts) {

        int pages = 0;
        String textFromPage = null;
        PdfReader reader = loadPDF(PDFpath);
        pages = reader.getNumberOfPages();

        try {
            for (int firstLoop = 0; firstLoop < texts.size(); firstLoop++) {
                for (int secondLoop = 1; secondLoop < pages; secondLoop++) {
                    textFromPage = PdfTextExtractor.getTextFromPage(reader, 1);
                    String[] strArray = texts.get(firstLoop).split("[\n\\s\\@&.,/:?$+-]+");
                    for (int i = 0; i < strArray.length; i++) {
                        if (!textFromPage.contains(strArray[i])) {
                            System.out.println(textFromPage);
                            return false;
                        }
                        System.out.println(strArray[i]);
                    }

                }
            }
            reader.close();
            return true;
        } catch (IOException e) {
            System.err.println(e.getMessage() + "Not all texts displayed in the file!");
        }
        return true;
    }

    public static void main(String[] args) {
        isTextDisplayedInFile(
                "path//fileName.pdf",
                "");
    }
}