if !(RUBY_PLATFORM =~ /java/)
  require 'rjb-loader'
  RjbLoader.before_load do |config|
    # This code changes the JVM classpath, so it has to run BEFORE loading Rjb.
    Dir[File.join(Rails.root , '/resources/*.jar')].each do |path|
      config.classpath << File::PATH_SEPARATOR + File.expand_path(path)
      config.java_options = ['-Xms128M', '-Xmx256M']
    end
  end

  RjbLoader.after_load do |config|
    FILE_CLASS = Rjb::import('java.io.FileOutputStream')
    WORKBOOK_CLASS = Rjb::import('org.apache.poi.hssf.usermodel.HSSFWorkbook')
    POIFS_CLASS = Rjb::import('org.apache.poi.poifs.filesystem.POIFSFileSystem')
    Rjb::import('org.apache.poi.hssf.usermodel.HSSFCreationHelper')
    Rjb::import('org.apache.poi.hssf.usermodel.HSSFFormulaEvaluator')
    CELL_REFERENCE_CLASS = Rjb::import('org.apache.poi.hssf.util.CellReference')
    CELL_CLASS = Rjb::import('org.apache.poi.hssf.usermodel.HSSFCell')
    FILE_INPUT_CLASS = Rjb::import('java.io.FileInputStream')
    FILE_OUTPUT_CLASS = Rjb::import('java.io.FileOutputStream')
  end
else
  apache_poi_path = File.join(Rails.root , '/resources/poi-3.9-20121203.jar')
  require 'java'
  require apache_poi_path
  FILE_CLASS = java.io.FileOutputStream
  WORKBOOK_CLASS = org.apache.poi.hssf.usermodel.HSSFWorkbook
  POIFS_CLASS = org.apache.poi.poifs.filesystem.POIFSFileSystem
  CELL_REFERENCE_CLASS = org.apache.poi.hssf.util.CellReference
  CELL_CLASS = org.apache.poi.hssf.usermodel.HSSFCell
  FILE_INPUT_CLASS = java.io.FileInputStream
  FILE_OUTPUT_CLASS = java.io.FileOutputStream
end