def find_source(objfile)
  base = File.basename(objfile, '.class')
  SRC.find { |s| File.basename(s, '.java') == base }
end

def find_object(srcfile)
  File.join("bin", File.basename(srcfile).ext('class'))
end


directory "bin/test"
directory "bin/java"

SRC = FileList.new('src/java/*.java').add('src/test/*.java')
OBJ = SRC.collect { |fn| find_object(fn) }


task :compile => OBJ

task :build => ["bin/test", "bin/java", :compile]

task :default => [:build]

task :clean do
  rm OBJ
end


rule '.class' => [
    proc do |tn| 
      find_source(tn)
    end
  ] do |t|

  dest_dir = File.dirname(t.name)
  sh "javac -cp #{dest_dir};junit.jar #{t.source} -d #{dest_dir}"
end