From 0ba37afe5607b1c142af2da01cc770bec190155a Mon Sep 17 00:00:00 2001
From: Dmitry Batkovich <dmitry.batkovich@jetbrains.com>
Date: Mon, 14 Sep 2015 13:17:45 +0300
Subject: [PATCH] ResourceBundleAsVirtualFile#isValid method is rewritten to
 check validity of resource bundle virtual files. Based on exception from
 IDEA-145012

---
 .../properties/editor/ResourceBundleAsVirtualFile.java | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/plugins/properties/src/com/intellij/lang/properties/editor/ResourceBundleAsVirtualFile.java b/plugins/properties/src/com/intellij/lang/properties/editor/ResourceBundleAsVirtualFile.java
index 8885d4125c18..f3f79d086d65 100644
--- a/plugins/properties/src/com/intellij/lang/properties/editor/ResourceBundleAsVirtualFile.java
+++ b/plugins/properties/src/com/intellij/lang/properties/editor/ResourceBundleAsVirtualFile.java
@@ -17,6 +17,7 @@ package com.intellij.lang.properties.editor;
 
 import com.intellij.ide.presentation.Presentation;
 import com.intellij.lang.properties.ResourceBundle;
+import com.intellij.lang.properties.ResourceBundleImpl;
 import com.intellij.lang.properties.psi.PropertiesFile;
 import com.intellij.openapi.vfs.LocalFileSystem;
 import com.intellij.openapi.vfs.VirtualFile;
@@ -97,6 +98,15 @@ public class ResourceBundleAsVirtualFile extends VirtualFile {
 
   @Override
   public boolean isValid() {
+    if (myResourceBundle instanceof ResourceBundleImpl && !((ResourceBundleImpl)myResourceBundle).isValid()) {
+      return false;
+    }
+    for (PropertiesFile propertiesFile : myResourceBundle.getPropertiesFiles()) {
+      final VirtualFile virtualFile = propertiesFile.getVirtualFile();
+      if (virtualFile == null || !virtualFile.isValid()) {
+        return false;
+      }
+    }
     return true;
   }