From 56a0c4b1a43acdde00f3979099c8ed6ee2d0b8a3 Mon Sep 17 00:00:00 2001
From: Anna Kozlova <anna.kozlova@jetbrains.com>
Date: Wed, 25 Mar 2015 14:21:23 +0100
Subject: [PATCH] change class signature from usage: expect e.g.
 array/wildcards types in type elements (EA-50283 - CCE:
 ChangeClassSignatureFromUsageFix.createTypeParameters)

---
 .../impl/quickfix/ChangeClassSignatureFromUsageFix.java     | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/java/java-impl/src/com/intellij/codeInsight/daemon/impl/quickfix/ChangeClassSignatureFromUsageFix.java b/java/java-impl/src/com/intellij/codeInsight/daemon/impl/quickfix/ChangeClassSignatureFromUsageFix.java
index a7967aadb9cb..dec599e916bf 100644
--- a/java/java-impl/src/com/intellij/codeInsight/daemon/impl/quickfix/ChangeClassSignatureFromUsageFix.java
+++ b/java/java-impl/src/com/intellij/codeInsight/daemon/impl/quickfix/ChangeClassSignatureFromUsageFix.java
@@ -103,8 +103,10 @@ public class ChangeClassSignatureFromUsageFix extends BaseIntentionAction {
         }
       }
 
-      final PsiClassType type = (PsiClassType)typeElement.getType();
-      result.put(new TypeParameterInfo(suggester.suggest(type), type), factory.createTypeCodeFragment(type.getClassName(), typeElement, true));
+      final PsiType type = typeElement.getType();
+      final String suggestedName = type instanceof PsiClassType ? suggester.suggest((PsiClassType)type) : suggester.suggestUnusedName("T");
+      result.put(new TypeParameterInfo(suggestedName, type),
+                 factory.createTypeCodeFragment(suggestedName, typeElement, true));
     }
     return result;
   }