com.imipgroup.hieuvt.pdf.PdfUtils.java Source code

Introduction

Here is the source code for com.imipgroup.hieuvt.pdf.PdfUtils.java

Source

package com.imipgroup.hieuvt.pdf;

import com.itextpdf.text.*;
import com.itextpdf.text.pdf.*;

import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.Date;

/**
 * Created by hieu.vutrong on 3/22/2015.
 */
public class PdfUtils {
    private static Font catFont = new Font(Font.FontFamily.TIMES_ROMAN, 18, Font.BOLD);
    private static Font redFont = new Font(Font.FontFamily.TIMES_ROMAN, 12, Font.NORMAL, BaseColor.RED);
    private static Font subFont = new Font(Font.FontFamily.TIMES_ROMAN, 16, Font.BOLD);
    private static Font smallBold = new Font(Font.FontFamily.TIMES_ROMAN, 12, Font.BOLD);

    public String createPdf(String fileName) {
        String filePath = "files/Pdf/" + fileName + ".pdf";
        Document document = new Document();
        try {
            PdfWriter.getInstance(document, new FileOutputStream(filePath));
            document.open();
            addMetaData(document);
            addTitlePage(document);
            addContent(document);
            document.close();
        } catch (DocumentException e) {
            e.printStackTrace();
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        }
        return filePath;
    }

    private static void addMetaData(Document document) {
        document.addTitle("My first PDF");
        document.addSubject("Using iText");
        document.addKeywords("Java, PDF, iText");
        document.addAuthor("Lars Vogel");
        document.addCreator("Lars Vogel");
    }

    private static void addTitlePage(Document document) {
        Paragraph preface = new Paragraph();
        addEmptyLine(preface, 1);
        preface.add(new Paragraph("Title of the document", catFont));

        addEmptyLine(preface, 1);
        preface.add(new Paragraph("Report generated by: " + System.getProperty("user.name") + ", " + new Date(), //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
                smallBold));
        addEmptyLine(preface, 3);
        preface.add(new Paragraph("This document describes something which is very important ", smallBold));

        addEmptyLine(preface, 8);

        preface.add(new Paragraph(
                "This document is a preliminary version and not subject to your license agreement or any other agreement with vogella.com ;-).",
                redFont));

        try {
            document.add(preface);
        } catch (DocumentException e) {
            e.printStackTrace();
        }
        // Start a new page
        document.newPage();
    }

    private static void addContent(Document document) {
        Anchor anchor = new Anchor("First Chapter", catFont);
        anchor.setName("First Chapter");

        // Second parameter is the number of the chapter
        Chapter catPart = new Chapter(new Paragraph(anchor), 1);

        Paragraph subPara = new Paragraph("Subcategory 1", subFont);
        Section subCatPart = catPart.addSection(subPara);
        subCatPart.add(new Paragraph("Hello"));

        subPara = new Paragraph("Subcategory 2", subFont);
        subCatPart = catPart.addSection(subPara);
        subCatPart.add(new Paragraph("Paragraph 1"));
        subCatPart.add(new Paragraph("Paragraph 2"));
        subCatPart.add(new Paragraph("Paragraph 3"));

        // add a list
        createList(subCatPart);
        Paragraph paragraph = new Paragraph();
        addEmptyLine(paragraph, 5);
        subCatPart.add(paragraph);
        // add a table
        createTable(subCatPart);

        // now add all this to the document
        try {
            document.add(catPart);
        } catch (DocumentException e) {
            e.printStackTrace();
        }

        // Next section
        anchor = new Anchor("Second Chapter", catFont);
        anchor.setName("Second Chapter");

        // Second parameter is the number of the chapter
        catPart = new Chapter(new Paragraph(anchor), 1);

        subPara = new Paragraph("Subcategory", subFont);
        subCatPart = catPart.addSection(subPara);
        subCatPart.add(new Paragraph("This is a very important message"));

        // now add all this to the document
        try {
            document.add(catPart);
        } catch (DocumentException e) {
            e.printStackTrace();
        }
    }

    private static void createTable(Section subCatPart) {
        PdfPTable table = new PdfPTable(3);

        // t.setBorderColor(BaseColor.GRAY);
        // t.setPadding(4);
        // t.setSpacing(4);
        // t.setBorderWidth(1);

        PdfPCell c1 = new PdfPCell(new Phrase("Table Header 1"));
        c1.setHorizontalAlignment(Element.ALIGN_CENTER);
        table.addCell(c1);

        c1 = new PdfPCell(new Phrase("Table Header 2"));
        c1.setHorizontalAlignment(Element.ALIGN_CENTER);
        table.addCell(c1);

        c1 = new PdfPCell(new Phrase("Table Header 3"));
        c1.setHorizontalAlignment(Element.ALIGN_CENTER);
        table.addCell(c1);
        table.setHeaderRows(1);

        table.addCell("1.0");
        table.addCell("1.1");
        table.addCell("1.2");
        table.addCell("2.1");
        table.addCell("2.2");
        table.addCell("2.3");

        subCatPart.add(table);

    }

    private static void createList(Section subCatPart) {
        List list = new List(true, false, 10);
        list.add(new ListItem("First point"));
        list.add(new ListItem("Second point"));
        list.add(new ListItem("Third point"));
        subCatPart.add(list);
    }

    private static void addEmptyLine(Paragraph paragraph, int number) {
        for (int i = 0; i < number; i++) {
            paragraph.add(new Paragraph(" "));
        }
    }

    public Document readPdf(String inputPath) {
        String outputPath = "files/Pdf/testRead.pdf";
        Document document = new Document();
        PdfWriter writer = null;
        try {
            writer = PdfWriter.getInstance(document, new FileOutputStream(outputPath));
            document.open();
            PdfReader reader = new PdfReader(inputPath);
            int n = reader.getNumberOfPages();
            PdfImportedPage page;
            // Go through all pages
            for (int i = 1; i <= n; i++) {
                // only page number 2 will be included
                if (i == 2) {
                    page = writer.getImportedPage(reader, i);
                    Image instance = Image.getInstance(page);
                    document.add(instance);
                }
            }
            document.close();
        } catch (DocumentException e) {
            e.printStackTrace();
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }

        return document;
    }
}