Class: ASpaceGems

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# File 'common/aspace_gems.rb', line 5

def self.setup
  ENV['TMPDIR'] = java.lang.System.get_property("java.io.tmpdir")
  ENV['TEMPDIR'] = java.lang.System.get_property("java.io.tmpdir")

  if java.lang.System.get_property("aspace.launcher.base")
    # The environment will have been cleared by launcher.rb, so set
    # ASPACE_LAUNCHER_BASE so everything else can find it.
    ENV['ASPACE_LAUNCHER_BASE'] = java.lang.System.get_property("aspace.launcher.base")

    # When running from the launcher, use its gems.
    ENV['GEM_HOME'] = File.join(java.lang.System.get_property("aspace.launcher.base"), "gems")
  elsif java.lang.System.get_property("catalina.base")
    ENV['GEM_HOME'] = File.join(java.lang.System.get_property("catalina.base"), "lib", "gems")
  else
    # If we're not running in either environment, leave everything alone
    require "rubygems"
    return
  end

  ENV['GEM_PATH'] = nil
  require "rubygems"

  gem_paths = [File.expand_path(ENV['GEM_HOME'])]

  # Add plugin gem paths too
  ASUtils.find_local_directories.each do |plugin|
    gemdir = File.join(plugin, "gems")

    if gemdir && Dir.exists?(gemdir)
      gem_paths << gemdir
    end
  end

  Gem.use_paths(nil, gem_paths)
end