@NotNull
  @Override
  public PsiCatchSection createCatchSection(
      @NotNull final PsiType exceptionType,
      @NotNull final String exceptionName,
      @Nullable final PsiElement context)
      throws IncorrectOperationException {
    if (!(exceptionType instanceof PsiClassType || exceptionType instanceof PsiDisjunctionType)) {
      throw new IncorrectOperationException("Unexpected type:" + exceptionType);
    }

    @NonNls
    final String text = "catch (" + exceptionType.getCanonicalText() + " " + exceptionName + ") {}";
    final DummyHolder holder =
        DummyHolderFactory.createHolder(
            myManager, new JavaDummyElement(text, CATCH_SECTION, level(context)), context);
    final PsiElement element =
        SourceTreeToPsiMap.treeElementToPsi(holder.getTreeElement().getFirstChildNode());
    if (!(element instanceof PsiCatchSection)) {
      throw new IncorrectOperationException(
          "Incorrect catch section '" + text + "'. Parsed element: " + element);
    }

    final Project project = myManager.getProject();
    final JavaPsiImplementationHelper helper = JavaPsiImplementationHelper.getInstance(project);
    helper.setupCatchBlock(exceptionName, exceptionType, context, (PsiCatchSection) element);
    final CodeStyleManager styleManager = CodeStyleManager.getInstance(project);
    final PsiCatchSection catchSection = (PsiCatchSection) styleManager.reformat(element);

    GeneratedMarkerVisitor.markGenerated(catchSection);
    return catchSection;
  }
  @NotNull
  @Override
  public PsiMethod createMethod(@NotNull final String name, final PsiType returnType)
      throws IncorrectOperationException {
    PsiUtil.checkIsIdentifier(myManager, name);
    if (PsiType.NULL.equals(returnType)) {
      throw new IncorrectOperationException("Cannot create method with type \"null\".");
    }

    final String canonicalText = returnType.getCanonicalText();
    final PsiJavaFile aFile =
        createDummyJavaFile("class _Dummy_ { public " + canonicalText + " " + name + "() {} }");
    final PsiClass[] classes = aFile.getClasses();
    if (classes.length < 1) {
      throw new IncorrectOperationException(
          "Class was not created. Method name: " + name + "; return type: " + canonicalText);
    }
    final PsiMethod[] methods = classes[0].getMethods();
    if (methods.length < 1) {
      throw new IncorrectOperationException(
          "Method was not created. Method name: " + name + "; return type: " + canonicalText);
    }
    PsiMethod method = methods[0];
    method =
        (PsiMethod)
            JavaCodeStyleManager.getInstance(myManager.getProject()).shortenClassReferences(method);
    return (PsiMethod) CodeStyleManager.getInstance(myManager.getProject()).reformat(method);
  }
  @NotNull
  @Override
  public PsiField createField(@NotNull final String name, @NotNull final PsiType type)
      throws IncorrectOperationException {
    PsiUtil.checkIsIdentifier(myManager, name);
    if (PsiType.NULL.equals(type)) {
      throw new IncorrectOperationException("Cannot create field with type \"null\".");
    }

    @NonNls
    final String text = "class _Dummy_ { private " + type.getCanonicalText() + " " + name + "; }";
    final PsiJavaFile aFile = createDummyJavaFile(text);
    final PsiClass[] classes = aFile.getClasses();
    if (classes.length < 1) {
      throw new IncorrectOperationException("Class was not created " + text);
    }
    final PsiClass psiClass = classes[0];
    final PsiField[] fields = psiClass.getFields();
    if (fields.length < 1) {
      throw new IncorrectOperationException("Field was not created " + text);
    }
    PsiField field = fields[0];
    field =
        (PsiField)
            JavaCodeStyleManager.getInstance(myManager.getProject()).shortenClassReferences(field);
    return (PsiField) CodeStyleManager.getInstance(myManager.getProject()).reformat(field);
  }
 @NotNull
 @Override
 public PsiMethod createMethod(
     @NotNull @NonNls String name, PsiType returnType, PsiElement context)
     throws IncorrectOperationException {
   return createMethodFromText(
       "public " + returnType.getCanonicalText(true) + " " + name + "() {}", context);
 }
 @Override
 public PsiParameter createParameter(
     @NotNull @NonNls String name, PsiType type, PsiElement context)
     throws IncorrectOperationException {
   final PsiMethod psiMethod =
       createMethodFromText("void f(" + type.getCanonicalText() + " " + name + ") {}", context);
   final PsiParameter[] parameters = psiMethod.getParameterList().getParameters();
   return parameters[0];
 }
  @NotNull
  @Override
  public PsiParameter createParameter(@NotNull final String name, @NotNull final PsiType type)
      throws IncorrectOperationException {
    PsiUtil.checkIsIdentifier(myManager, name);
    if (PsiType.NULL.equals(type)) {
      throw new IncorrectOperationException("Cannot create parameter with type \"null\".");
    }

    final String text = type.getCanonicalText() + " " + name;
    PsiParameter parameter = createParameterFromText(text, null);
    final CodeStyleManager codeStyleManager = CodeStyleManager.getInstance(myManager.getProject());
    PsiUtil.setModifierProperty(
        parameter,
        PsiModifier.FINAL,
        JavaCodeStyleSettingsFacade.getInstance(myManager.getProject())
            .isGenerateFinalParameters());
    GeneratedMarkerVisitor.markGenerated(parameter);
    parameter =
        (PsiParameter)
            JavaCodeStyleManager.getInstance(myManager.getProject())
                .shortenClassReferences(parameter);
    return (PsiParameter) codeStyleManager.reformat(parameter);
  }