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Fix NPE

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This commit is contained in:
Alexander Zolotov
2013-07-29 17:46:06 +04:00
parent d91e5163d7
commit 7cd4b95cdd
1 changed files with 5 additions and 2 deletions
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platform/lang-impl/src/com/intellij/codeInsight/preview/ImagePreviewComponent.java
+5 -2
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@@ -137,12 +137,15 @@ public class ImagePreviewComponent extends JPanel implements PreviewHintComponen
return false;
}
public static JComponent getPreviewComponent(final PsiElement parent) {
public static JComponent getPreviewComponent(@Nullable final PsiElement parent) {
if (parent == null) {
return null;
}
final PsiReference[] references = parent.getReferences();
for (final PsiReference reference : references) {
final PsiElement fileItem = reference.resolve();
if (fileItem instanceof PsiFileSystemItem) {
final PsiFileSystemItem item = (PsiFileSystemItem) fileItem;
final PsiFileSystemItem item = (PsiFileSystemItem)fileItem;
if (!item.isDirectory()) {
final VirtualFile file = item.getVirtualFile();
if (file != null && supportedExtensions.contains(file.getExtension())) {