# This formula is intended to be used by gcc formulae with java support.

class Ecj < Formula
  desc "Standalone version of the Eclipse Java compiler"
  homepage "https://gcc.gnu.org/"
  url "ftp://sourceware.org/pub/java/ecj-4.9.jar"
  mirror "https://mirrors.kernel.org/sources.redhat.com/java/ecj-4.9.jar"
  sha256 "9506e75b862f782213df61af67338eb7a23c35ff425d328affc65585477d34cd"

  bottle :unneeded

  def install
    (share/"java").install "ecj-#{version}.jar" => "ecj.jar"
  end

  test do
    (testpath/"Hello.java").write <<-EOS.undent
      class Hello
      {
        public static void main(String[] args)
        {
          System.out.println("Hello Homebrew");
        }
      }
    EOS
    system "java", "-cp", share/"java/ecj.jar", "org.eclipse.jdt.internal.compiler.batch.Main", "Hello.java"
    assert_predicate testpath/"Hello.class", :exist?, "Failed to compile Java program!"
    assert_equal "Hello Homebrew\n", shell_output("java Hello")
  end
end