From c7ce764cffa5363727b5bf21f13d73fe9448dd5c Mon Sep 17 00:00:00 2001
From: Alexey Kudravtsev <cdr@intellij.com>
Date: Thu, 24 Mar 2011 16:11:44 +0300
Subject: [PATCH] ea-26204

---
 platform/usageView/src/com/intellij/usages/ChunkExtractor.java | 2 +-
 .../src/com/intellij/usages/UsageInfo2UsageAdapter.java        | 3 ++-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/platform/usageView/src/com/intellij/usages/ChunkExtractor.java b/platform/usageView/src/com/intellij/usages/ChunkExtractor.java
index ca9ec6d39b1c..6aa2f991828f 100644
--- a/platform/usageView/src/com/intellij/usages/ChunkExtractor.java
+++ b/platform/usageView/src/com/intellij/usages/ChunkExtractor.java
@@ -93,7 +93,7 @@ public class ChunkExtractor {
     }
   };
 
-  public static TextChunk[] extractChunks(PsiFile file, UsageInfo2UsageAdapter usageAdapter) {
+  public static TextChunk[] extractChunks(@NotNull PsiFile file, UsageInfo2UsageAdapter usageAdapter) {
     return ourExtractors.get().getValue().get(file).extractChunks(usageAdapter);
   }
 
diff --git a/platform/usageView/src/com/intellij/usages/UsageInfo2UsageAdapter.java b/platform/usageView/src/com/intellij/usages/UsageInfo2UsageAdapter.java
index 91b0b32cee4b..1849cd9c696f 100644
--- a/platform/usageView/src/com/intellij/usages/UsageInfo2UsageAdapter.java
+++ b/platform/usageView/src/com/intellij/usages/UsageInfo2UsageAdapter.java
@@ -120,7 +120,8 @@ public class UsageInfo2UsageAdapter implements UsageInModule,
   }
 
   private TextChunk[] initChunks() {
-    TextChunk[] chunks = ChunkExtractor.extractChunks(getPsiFile(), this);
+    PsiFile file = getPsiFile();
+    TextChunk[] chunks = file == null ? TextChunk.EMPTY_ARRAY : ChunkExtractor.extractChunks(file, this);
     myTextChunks = new SoftReference<TextChunk[]>(chunks);
     return chunks;
   }