From 9925ece92230d445cd8eb825130320161182c5fb Mon Sep 17 00:00:00 2001
From: anna <Anna.Kozlova@jetbrains.com>
Date: Mon, 25 Oct 2010 12:23:59 +0400
Subject: [PATCH] NPE

---
 .../changeSignature/ChangeSignatureGestureDetector.java   | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/platform/lang-impl/src/com/intellij/refactoring/changeSignature/ChangeSignatureGestureDetector.java b/platform/lang-impl/src/com/intellij/refactoring/changeSignature/ChangeSignatureGestureDetector.java
index ffbcf2da2e61..0ac714e7d8c3 100644
--- a/platform/lang-impl/src/com/intellij/refactoring/changeSignature/ChangeSignatureGestureDetector.java
+++ b/platform/lang-impl/src/com/intellij/refactoring/changeSignature/ChangeSignatureGestureDetector.java
@@ -92,9 +92,11 @@ public class ChangeSignatureGestureDetector extends PsiTreeChangeAdapter impleme
       myDeaf = true;
       final MyDocumentChangeAdapter changeBean = myListenerMap.get(file);
       final ChangeInfo currentInfo = changeBean.getCurrentInfo();
-      final LanguageChangeSignatureDetector detector = LanguageChangeSignatureDetectors.INSTANCE.forLanguage(currentInfo.getLanguage());
-      if (detector.showDialog(currentInfo, changeBean.getInitialText())) {
-        changeBean.reinit();
+      if (currentInfo != null) {
+        final LanguageChangeSignatureDetector detector = LanguageChangeSignatureDetectors.INSTANCE.forLanguage(currentInfo.getLanguage());
+        if (detector.showDialog(currentInfo, changeBean.getInitialText())) {
+          changeBean.reinit();
+        }
       }
     }
     finally {