fixing possible npw in PhpEventDispatcherGotoCompletionRegistrar

Author: Haehnchen

src/fr/adrienbrault/idea/symfony2plugin/config/php/PhpEventDispatcherGotoCompletionRegistrar.java

@@ -51,11 +51,13 @@ public GotoCompletionProvider getProvider(@NotNull PsiElement psiElement) {
  PhpReturn phpReturn = PsiTreeUtil.getParentOfType(arrayValue, PhpReturn.class);
  if(phpReturn != null) {
  Method method = PsiTreeUtil.getParentOfType(arrayValue, Method.class);
- String name = method.getName();
- if(method != null && "getSubscribedEvents".equals(name)) {
- PhpClass containingClass = method.getContainingClass();
- if(containingClass != null && new Symfony2InterfacesUtil().isInstanceOf(containingClass, "\\Symfony\\Component\\EventDispatcher\\EventSubscriberInterface")) {
- return new PhpClassPublicMethodProvider(containingClass);
+ if(method != null) {
+ String name = method.getName();
+ if("getSubscribedEvents".equals(name)) {
+ PhpClass containingClass = method.getContainingClass();
+ if(containingClass != null && new Symfony2InterfacesUtil().isInstanceOf(containingClass, "\\Symfony\\Component\\EventDispatcher\\EventSubscriberInterface")) {
+ return new PhpClassPublicMethodProvider(containingClass);
+ }
  }
  }
  }