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NPE fix

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This commit is contained in:
Peter Gromov
2005-02-14 17:50:19 +03:00
parent 6d65950b48
commit fcc7e8190a
1 changed files with 8 additions and 1 deletions
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source/com/intellij/find/findUsages/PsiElement2UsageTargetAdapter.java
+8 -1
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@@ -9,6 +9,7 @@ import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.psi.PsiElement;
import com.intellij.psi.SmartPointerManager;
import com.intellij.psi.SmartPsiElementPointer;
import com.intellij.psi.PsiFile;
import com.intellij.usageView.UsageViewUtil;
import com.intellij.usages.UsageTarget;
@@ -110,7 +111,13 @@ public class PsiElement2UsageTargetAdapter implements UsageTarget {
}
public VirtualFile[] getFiles() {
return isValid() ? new VirtualFile[] {myPointer.getElement().getContainingFile().getVirtualFile()} : null;
if (!isValid()) return null;
final PsiFile psiFile = myPointer.getElement().getContainingFile();
if (psiFile == null) return null;
final VirtualFile virtualFile = psiFile.getVirtualFile();
return virtualFile == null ? null : new VirtualFile[]{virtualFile};
}
public static UsageTarget[] convert(PsiElement[] psiElements) {