org.cidte.sii.negocio.PDFWriter.java Source code

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Here is the source code for org.cidte.sii.negocio.PDFWriter.java

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package org.cidte.sii.negocio;

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

import org.cidte.sii.entidades.Writable;

import com.itextpdf.text.BadElementException;
import com.itextpdf.text.BaseColor;
import com.itextpdf.text.Document;
import com.itextpdf.text.DocumentException;
import com.itextpdf.text.Element;
import com.itextpdf.text.Font;
import com.itextpdf.text.Image;
import com.itextpdf.text.PageSize;
import com.itextpdf.text.Paragraph;
import com.itextpdf.text.Phrase;
import com.itextpdf.text.pdf.PdfPCell;
import com.itextpdf.text.pdf.PdfPTable;
import com.itextpdf.text.pdf.PdfWriter;

/**
 *
 * @author juanmartinez
 */
public class PDFWriter {

    public void writePDF(ArrayList<Writable> list, String directorio, String nombre, java.awt.Image image)
            throws DocumentException, FileNotFoundException, BadElementException, IOException {

        Document doc = new Document();
        PdfWriter docWriter;

        // special font sizes
        Font bfBold12 = new Font(Font.FontFamily.TIMES_ROMAN, 12, Font.BOLD, new BaseColor(0, 0, 0));
        Font bf12 = new Font(Font.FontFamily.TIMES_ROMAN, 12);

        // file path
        String path = directorio + nombre + ".pdf";
        docWriter = PdfWriter.getInstance(doc, new FileOutputStream(new File(path)));

        // document header attributes
        doc.addAuthor("sii");
        doc.addCreationDate();
        doc.addProducer();
        doc.addCreator("sii");
        doc.addTitle(nombre);
        doc.setPageSize(PageSize.LETTER);

        // open document
        doc.open();

        Image img = Image.getInstance(image, null);
        img.setAlignment(Element.ALIGN_LEFT);
        doc.add(img);

        // create a paragraph
        Paragraph paragraph = new Paragraph("iText  is a library that allows you to create and "
                + "manipulate PDF documents. It enables developers looking to enhance web and other "
                + "applications with dynamic PDF document generation and/or manipulation.");

        // create PDF table with the given widths
        PdfPTable table = new PdfPTable(list.get(0).getNames().length);
        // set table width a percentage of the page width
        table.setWidthPercentage(100);
        table.setSpacingBefore(10f); // Space before table
        table.setSpacingAfter(10f); // Space after table

        // insert column headings
        String[] headings = list.get(0).getNames();
        for (String heading : headings) {
            insertCell(table, heading, Element.ALIGN_CENTER, 1, bfBold12);
        }
        table.setHeaderRows(1);

        // insert the data
        for (int i = 0; i < list.size(); i++) {
            Writable w = list.get(i);
            Object[] arr = w.getAsArray();
            for (int j = 0; j < arr.length; j++) {
                // arr[j]
                insertCell(table, arr[j].toString(), Element.ALIGN_LEFT, 1, bf12);
            }
        }

        // insert an empty row
        // insertCell(table, "", Element.ALIGN_LEFT, 4, bfBold12);
        // add the PDF table to the paragraph
        paragraph.add(table);
        // add the paragraph to the document
        doc.add(paragraph);

        // close the document
        doc.close();

        // close the writer
        docWriter.close();

    }

    private void insertCell(PdfPTable table, String text, int align, int colspan, Font font) {

        // create a new cell with the specified Text and Font
        PdfPCell cell = new PdfPCell(new Phrase(text.trim(), font));
        // set the cell alignment
        cell.setHorizontalAlignment(align);

        // some padding
        cell.setPaddingLeft(10);

        // set the cell column span in case you want to merge two or more cells
        cell.setColspan(colspan);
        // in case there is no text and you wan to create an empty row
        if (text.trim().equalsIgnoreCase("")) {
            cell.setMinimumHeight(10f);
        }
        // add the call to the table
        table.addCell(cell);

    }
}