aspectj 1.8.9

Adds AspectJ, the AOP compiler for Java.

Formula/aspectj.rb

@@ -0,0 +1,41 @@
+class Aspectj < Formula
+  desc "AspectJ: aspect-oriented programming for Java"
+  homepage "https://eclipse.org/aspectj/"
+  url "https://www.eclipse.org/downloads/download.php?file=/tools/aspectj/aspectj-1.8.9.jar"
+  sha256 "bab38539cbe6e932410a104c21e18f05b773c78001f8800993da29d718d31a1b"
+
+  bottle :unneeded
+
+  depends_on :java
+
+  def install
+    mkdir_p "#{libexec}/#{name}"
+    system "java", "-jar", "aspectj-#{version}.jar", "-to", "#{libexec}/#{name}"
+    bin.write_exec_script Dir["#{libexec}/#{name}/bin/*"]
+  end
+
+  test do
+    (testpath/"Test.java").write <<-EOS.undent
+      public class Test {
+        public static void main (String[] args) {
+          System.out.println("Brew Test");
+        }
+      }
+    EOS
+    (testpath/"TestAspect.aj").write <<-EOS.undent
+      public aspect TestAspect {
+        private pointcut mainMethod () :
+          execution(public static void main(String[]));
+
+          before () : mainMethod() {
+            System.out.print("Aspect ");
+          }
+      }
+    EOS
+    ENV["CLASSPATH"] = "#{libexec}/#{name}/lib/aspectjrt.jar:test.jar:testaspect.jar"
+    system bin/"ajc", "-outjar", "test.jar", "Test.java"
+    system bin/"ajc", "-outjar", "testaspect.jar", "-outxml", "TestAspect.aj"
+    output = shell_output("#{bin}/aj Test")
+    assert_match /Aspect Brew Test/, output
+  end
+end