From de2eecff0528cd0fd5b82ab6947651276c532197 Mon Sep 17 00:00:00 2001
From: "Maxim.Mossienko" <Maxim.Mossienko@jetbrains.com>
Date: Fri, 1 Dec 2017 10:05:17 +0100
Subject: [PATCH] avoid OOME on detection of file type from its content
 (IDEA-182793)

---
 .../src/com/intellij/openapi/fileChooser/FileElement.java      | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/platform/platform-api/src/com/intellij/openapi/fileChooser/FileElement.java b/platform/platform-api/src/com/intellij/openapi/fileChooser/FileElement.java
index 9a0cd32adcea..5731c8abb2b9 100644
--- a/platform/platform-api/src/com/intellij/openapi/fileChooser/FileElement.java
+++ b/platform/platform-api/src/com/intellij/openapi/fileChooser/FileElement.java
@@ -15,6 +15,7 @@
  */
 package com.intellij.openapi.fileChooser;
 
+import com.intellij.openapi.fileTypes.FileTypeManager;
 import com.intellij.openapi.fileTypes.FileTypes;
 import com.intellij.openapi.util.Comparing;
 import com.intellij.openapi.util.SystemInfo;
@@ -109,7 +110,7 @@ public class FileElement {
     if (file == null) return false;
     if (isArchiveFileSystem(file) && file.getParent() == null) return true;
     return !file.isDirectory() &&
-           file.getFileType() == FileTypes.ARCHIVE &&
+           FileTypeManager.getInstance().getFileTypeByFileName(file.getNameSequence()) == FileTypes.ARCHIVE &&
            !isArchiveFileSystem(file.getParent());
   }