From a0576ec737e372e6119ecc7734bf7a609cd200ad Mon Sep 17 00:00:00 2001
From: Michael Peter Christen <mc@yacy.net>
Date: Mon, 22 Dec 2014 14:32:09 +0100
Subject: [PATCH] fix for pdf sub-page result preparation

---
 source/net/yacy/cora/document/id/MultiProtocolURL.java | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/source/net/yacy/cora/document/id/MultiProtocolURL.java b/source/net/yacy/cora/document/id/MultiProtocolURL.java
index d2161238c..556161305 100644
--- a/source/net/yacy/cora/document/id/MultiProtocolURL.java
+++ b/source/net/yacy/cora/document/id/MultiProtocolURL.java
@@ -746,7 +746,8 @@ public class MultiProtocolURL implements Serializable, Comparable<MultiProtocolU
     public static String getFileExtension(final String fileName) {
         final int p = fileName.lastIndexOf('.');
         if (p < 0) return "";
-        return fileName.substring(p + 1).toLowerCase();
+        final int q = fileName.lastIndexOf('?');
+        return q < 0 ? fileName.substring(p + 1).toLowerCase() : fileName.substring(p + 1, q).toLowerCase();
     }
 
     public String getPath() {