From 7f5f30d8bd9a38bff576cb90d161ab6be6bc6d4b Mon Sep 17 00:00:00 2001
From: Dmitry Batkovich <dmitry.batkovich@jetbrains.com>
Date: Thu, 2 Jul 2015 21:13:54 +0300
Subject: [PATCH] EA-70357 AddMethodQualifierFix checks allowage of file
 modification

---
 .../daemon/impl/quickfix/AddMethodQualifierFix.java           | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/java/java-impl/src/com/intellij/codeInsight/daemon/impl/quickfix/AddMethodQualifierFix.java b/java/java-impl/src/com/intellij/codeInsight/daemon/impl/quickfix/AddMethodQualifierFix.java
index 4ab9d43fbc1d..1c6fd53e460f 100644
--- a/java/java-impl/src/com/intellij/codeInsight/daemon/impl/quickfix/AddMethodQualifierFix.java
+++ b/java/java-impl/src/com/intellij/codeInsight/daemon/impl/quickfix/AddMethodQualifierFix.java
@@ -15,6 +15,7 @@
  */
 package com.intellij.codeInsight.daemon.impl.quickfix;
 
+import com.intellij.codeInsight.FileModificationService;
 import com.intellij.codeInsight.daemon.QuickFixBundle;
 import com.intellij.codeInsight.intention.IntentionAction;
 import com.intellij.openapi.application.ApplicationManager;
@@ -112,6 +113,9 @@ public class AddMethodQualifierFix implements IntentionAction {
 
   @Override
   public void invoke(@NotNull final Project project, final Editor editor, final PsiFile file) throws IncorrectOperationException {
+    if (!FileModificationService.getInstance().preparePsiElementsForWrite(file)) {
+      return;
+    }
     if (myCandidates.size() == 1 || UNIT_TEST_MODE) {
       qualify(myCandidates.get(0), editor);
     }