1 files changed, 28 insertions, 0 deletions
diff --git a/demos/java/gsviewer/src/com/artifex/gsviewer/PDFFileFilter.java b/demos/java/gsviewer/src/com/artifex/gsviewer/PDFFileFilter.java
new file mode 100644
index 000000000..e7bd7046f
--- /dev/null
+++ b/demos/java/gsviewer/src/com/artifex/gsviewer/PDFFileFilter.java
@@ -0,0 +1,28 @@
+package com.artifex.gsviewer;
+
+import java.io.File;
+
+import javax.swing.filechooser.FileFilter;
+
+public class PDFFileFilter extends FileFilter {
+
+	public static final PDFFileFilter INSTANCE = new PDFFileFilter();
+
+	@Override
+	public boolean accept(File f) {
+		if (f.isDirectory())
+			return true;
+		String filename = f.getName();
+		int ind = filename.lastIndexOf('.');
+		if (ind == -1)
+			return false;
+		String ext = filename.substring(ind);
+		return ext.equalsIgnoreCase(".pdf");
+	}
+
+	@Override
+	public String getDescription() {
+		return "PDF Files";
+	}
+
+}