{stdenv, fetchzip, jdk6, ant_1_7, javacc}: stdenv.mkDerivation rec {
    pname = "ognl";
    version = "2.5.1";
    outJar = "ognl-2.5.1.jar";

    src = fetchzip {
        url = "https://files.befatorinc.de/api/public/dl/zs1B_lV5";
        extension = "tar.gz";
        hash = "sha256-BieLC0Trc4OLUNy9mtLXuTV2hLgJ+mrOK3rJoLJeHMA=";
    };

    patches = [./ognl.patch];

    nativeBuildInputs = [jdk6 ant_1_7];

    env = {
        JAVA_HOME="${jdk6}";
        CLASSPATH="${javacc}/javacc.jar";
    };

    buildPhase = ''
        rm ./parser-generated/ognl/JavaCharStream.java
        ant jar
    '';

    installPhase = ''
        mkdir $out
        cp -r /build/builds/ognl/jars/ognl-2.5.1.jar $out/ognl-2.5.1.jar
    '';
}