Class: Libis::Format::PdfaValidator

Inherits:
Object
  • Object
show all
Includes:
Tools::Logger
Defined in:
lib/libis/format/pdfa_validator.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.run(source) ⇒ Object 



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# File 'lib/libis/format/pdfa_validator.rb', line 15

def self.run(source)
  self.new.run source
end

Instance Method Details

#run(source) ⇒ Object 



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# File 'lib/libis/format/pdfa_validator.rb', line 19

def run(source)

  src_file = File.absolute_path(source)

  if (pdfa = Libis::Format::Config[:pdfa_path])
    # Keep it clean: tool generates fontconfig/ cache dir in current working dir
    previous_wd = Dir.getwd
    Dir.chdir(Dir.tmpdir)

    result = Libis::Tools::Command.run(
        pdfa,
        '--noxml',
        '--level', 'B',
        '--verb', '0',
        src_file
    )

    Dir.chdir(previous_wd)

    unless result[:out].any? { |line| line =~ /^VLD-\[PASS\]/ }
      warn "Validator failed to validate the PDF file '%s' against PDF/A-1B constraints:\n%s", source,
           result[:out].join("\n")
      return false
    end
  else
    jar = File.join(ROOT_DIR, 'tools', 'pdfbox', 'preflight-app-1.8.10.jar')
    result = Libis::Tools::Command.run(
        Libis::Format::Config[:java_path],
        '-jar', jar,
        src_file
    )
    unless result[:status] == 0
      warn "Validator failed to validate the PDF file '%s' against PDF/A-1B constraints:\n%s", source,
           result[:out].join("\n")
      return false
    end
  end
  true
end