class Pmd < Formula
  desc "Source code analyzer for Java, JavaScript, and more"
  homepage "http://pmd.sourceforge.net/"
  url "https://downloads.sourceforge.net/project/pmd/pmd/5.3.2/pmd-src-5.3.2.zip"
  sha256 "721d0fbfe970d6507233517c92c4541ffa7490d8f7bf1b1ed8dafc28e5abc5b9"

  depends_on "maven" => :build

  def install
    system "mvn", "clean", "package"

    doc.install "LICENSE", "NOTICE", "README.md"

    # The mvn package target produces a .zip with all the jars needed for PMD
    safe_system "tar", "-xf", buildpath/"pmd-dist/target/pmd-bin-#{version}.zip"
    libexec.install "pmd-bin-#{version}/bin", "pmd-bin-#{version}/lib"

    bin.install_symlink "#{libexec}/bin/run.sh" => "pmd"
    inreplace "#{libexec}/bin/run.sh", "${script_dir}/../lib", "#{libexec}/lib"
  end

  def caveats; <<-EOS.undent
    Run with `pmd` (instead of `run.sh` as described in the documentation).
    EOS
  end

  test do
    (testpath/"java/testClass.java").write <<-EOS.undent
      public class BrewTestClass {
        // dummy constant
        public String SOME_CONST = "foo";

        public boolean doTest () {
          return true;
        }
      }
    EOS

    system "#{bin}/pmd", "pmd", "-d", "#{testpath}/java", "-R",
      "rulesets/java/basic.xml", "-f", "textcolor", "-l", "java"
  end
end