From da9b04af4127bd271d54c0fd4a02de76c0b795fb Mon Sep 17 00:00:00 2001
From: Daniil Ovchinnikov <daniil.ovchinnikov@jetbrains.com>
Date: Wed, 9 Mar 2016 15:01:50 +0300
Subject: [PATCH] [groovy] @Contract: fix warning

---
 .../inject/groovy/GroovyLanguageInjectionSupport.java         | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/plugins/groovy/src/org/intellij/plugins/intelliLang/inject/groovy/GroovyLanguageInjectionSupport.java b/plugins/groovy/src/org/intellij/plugins/intelliLang/inject/groovy/GroovyLanguageInjectionSupport.java
index d7ebf757dc7c..0d66d21002f0 100644
--- a/plugins/groovy/src/org/intellij/plugins/intelliLang/inject/groovy/GroovyLanguageInjectionSupport.java
+++ b/plugins/groovy/src/org/intellij/plugins/intelliLang/inject/groovy/GroovyLanguageInjectionSupport.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2000-2014 JetBrains s.r.o.
+ * Copyright 2000-2016 JetBrains s.r.o.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -31,6 +31,7 @@ import org.intellij.plugins.intelliLang.inject.InjectorUtils;
 import org.intellij.plugins.intelliLang.inject.LanguageInjectionSupport;
 import org.intellij.plugins.intelliLang.inject.config.BaseInjection;
 import org.intellij.plugins.intelliLang.inject.java.JavaLanguageInjectionSupport;
+import org.jetbrains.annotations.Contract;
 import org.jetbrains.annotations.NonNls;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
@@ -228,6 +229,7 @@ public class GroovyLanguageInjectionSupport extends AbstractLanguageInjectionSup
     };
   }
 
+  @Contract("null -> false")
   private static boolean isStringLiteral(@Nullable PsiLanguageInjectionHost element) {
     if (element instanceof GrStringContent) {
       return true;