pdf list of links

pdf_links.rb

load '/path/to/itextpdf-5.2.0.jar'

IText = Java::com.itextpdf.text # same some typing

doc = IText::Document.new(IText::PageSize::LETTER, 50, 50, 50, 50)

# AddAuthor and addSubject seem to not work, at least for viewing in Preview
doc.addAuthor "Bill Dueber"
doc.addSubject "Why are we requiring PDF???"

# Put it somewhere
pdf = IText.pdf::PdfWriter.getInstance(doc, File.open('links.pdf', 'w').to_outputstream);

# Get a font: bold, underlined, just like the ugly regular old web

font = IText::Font.new(IText::Font::FontFamily::HELVETICA, 12, IText::Font::UNDERLINE, IText::BaseColor.new(0, 0, 255))

# Once we open the doc, we can't muck with the metadata anymore (so says the javadocs, anyway)
doc.open

# What are we putting in here?
links = [
  ['lib', 'http://www.lib.umich.edu/'],
  ['billdueber', 'http://robotlibrarian.billdueber.com/']
]

# Stick them all into the doc
links.each do |l|
  text, href = *l
  chunk = IText::Chunk.new(text, font)
  chunk.setAnchor  href
  doc.add IText::Paragraph.new(chunk)
end

# Close it off. It's now in links.pdf
doc.close