JRuby IText Example Snippet

pdf_demo.rb

require "java"
Dir["/home/michael/Downloads/\*.jar"].each { |jar| require jar }

import com.itextpdf.text.BaseColor
import com.itextpdf.text.Document
import com.itextpdf.text.Paragraph
import com.itextpdf.text.Phrase
import com.itextpdf.text.pdf.PdfPCell
import com.itextpdf.text.pdf.PdfPTable
import java.io.FileOutputStream

pdf  = Document.new
para = Paragraph.new "Brought to you by JRuby"
file = FileOutputStream.new "pdf_demo.pdf"

table = PdfPTable.new 3
table.setWidthPercentage 100
table.setHeaderRows 2
table.setFooterRows 1
cell = PdfPCell.new Phrase.new "Cell with colspan = 3"
cell.setColspan 3
cell.setBackgroundColor BaseColor::CYAN
table.addCell cell

(1..300).each do |i|
    cell = PdfPCell.new Phrase.new "cell#{i}"
    cell.setBackgroundColor BaseColor::ORANGE
    table.addCell cell
end

com.itextpdf.text.pdf.PdfWriter.get_instance pdf, file

pdf.open
pdf.add para
pdf.add table
pdf.close