From 56f50bd3fbe7c7fd116468dfd89879f8f7197b3d Mon Sep 17 00:00:00 2001
From: Maxim Shafirov <max@jetbrains.com>
Date: Tue, 15 Mar 2005 19:40:26 +0300
Subject: [PATCH] getPsiFile() can be called for dummy project when browsing
 code samples in CodeStyleSettings.

---
 source/com/intellij/psi/impl/file/impl/FileManagerImpl.java | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/source/com/intellij/psi/impl/file/impl/FileManagerImpl.java b/source/com/intellij/psi/impl/file/impl/FileManagerImpl.java
index 05b5439c862d..a01b8143efe7 100644
--- a/source/com/intellij/psi/impl/file/impl/FileManagerImpl.java
+++ b/source/com/intellij/psi/impl/file/impl/FileManagerImpl.java
@@ -12,8 +12,10 @@ import com.intellij.openapi.fileTypes.*;
 import com.intellij.openapi.module.Module;
 import com.intellij.openapi.module.ModuleManager;
 import com.intellij.openapi.project.Project;
+import com.intellij.openapi.project.ex.ProjectEx;
 import com.intellij.openapi.roots.*;
 import com.intellij.openapi.vfs.*;
+import com.intellij.openapi.command.impl.DummyProject;
 import com.intellij.psi.*;
 import com.intellij.psi.impl.PsiManagerConfiguration;
 import com.intellij.psi.impl.PsiManagerImpl;
@@ -218,6 +220,8 @@ public class FileManagerImpl implements FileManager {
   }
 
   public PsiFile findFile(VirtualFile vFile) {
+    if (((ProjectEx)myManager.getProject()).isDummy()) return null;
+
     ApplicationManager.getApplication().assertReadAccessAllowed();
     if (vFile == null) {
       LOG.assertTrue(false);