private static Element getElementIfJdkUnder8()

in javac-ast-extension/src/org/jetbrains/jps/javac/ast/JavacReferenceCollectorListener.java [335:354]

• 19 lines of code
• 8 McCabe index (conditional complexity)

  private static Element getElementIfJdkUnder8(Tree tree) {
    if (tree == null || tree instanceof PrimitiveTypeTree || tree instanceof ArrayTypeTree) return null;
    if (tree instanceof ParameterizedTypeTree) {
      return getElementIfJdkUnder8(((ParameterizedTypeTree)tree).getType());
    }
    Field symField;
    try {
      //should be the same to com.sun.tools.javac.tree.TreeInfo.symbolForImpl() since com.sun.source.util.Trees.getElement() works improperly under jdk 6-7
      symField = tree.getClass().getField(tree instanceof NewClassTree ? "constructor" : "sym");
    }
    catch (NoSuchFieldException e) {
      throw new RuntimeException(tree.getClass().getName());
    }
    try {
      return (Element) symField.get(tree);
    }
    catch (IllegalAccessException e) {
      throw new RuntimeException(e);
    }
  }