From b768f2177e1aae1aa00ee59c3e09832c4316500d Mon Sep 17 00:00:00 2001
From: Dmitry Batkovich <dmitry.batkovich@jetbrains.com>
Date: Wed, 10 Sep 2014 13:05:48 +0400
Subject: [PATCH] PropertiesImplUtil: PsiDirectory#getFiles() inside read
 action

---
 .../intellij/lang/properties/PropertiesImplUtil.java  | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/plugins/properties/properties-psi-impl/src/com/intellij/lang/properties/PropertiesImplUtil.java b/plugins/properties/properties-psi-impl/src/com/intellij/lang/properties/PropertiesImplUtil.java
index 15e73791f8ea..502d9b4dc499 100644
--- a/plugins/properties/properties-psi-impl/src/com/intellij/lang/properties/PropertiesImplUtil.java
+++ b/plugins/properties/properties-psi-impl/src/com/intellij/lang/properties/PropertiesImplUtil.java
@@ -15,7 +15,6 @@
  */
 package com.intellij.lang.properties;
 
-import com.intellij.lang.HtmlScriptContentProvider;
 import com.intellij.lang.properties.psi.PropertiesFile;
 import com.intellij.lang.properties.psi.PropertyKeyIndex;
 import com.intellij.lang.properties.xml.XmlPropertiesFileImpl;
@@ -79,7 +78,13 @@ public class PropertiesImplUtil extends PropertiesUtil {
   private static ResourceBundle getResourceBundle(@NotNull final String baseName, @NotNull final PsiDirectory baseDirectory) {
     PropertiesFile defaultPropertiesFile = null;
     final ResourceBundleManager bundleBaseNameManager = ResourceBundleManager.getInstance(baseDirectory.getProject());
-    for (final PsiFile psiFile : baseDirectory.getFiles()) {
+    final PsiFile[] psiFiles = ApplicationManager.getApplication().runReadAction(new Computable<PsiFile[]>() {
+      @Override
+      public PsiFile[] compute() {
+        return baseDirectory.getFiles();
+      }
+    });
+    for (final PsiFile psiFile : psiFiles) {
       if (baseName.equals(bundleBaseNameManager.getBaseName(psiFile))) {
         final PropertiesFile propertiesFile = getPropertiesFile(psiFile);
         if (propertiesFile != null) {
@@ -147,4 +152,4 @@ public class PropertiesImplUtil extends PropertiesUtil {
     }
     return getResourceBundle(baseName, baseDirectory);
   }
-}
+}
\ No newline at end of file