From 596e4a0871db8c27dd795275e83e914eba75daa3 Mon Sep 17 00:00:00 2001
From: srowen <srowen@59b500cc-1b3d-0410-9834-0bbf25fbcc57>
Date: Mon, 5 Mar 2012 18:41:20 +0000
Subject: [PATCH] Avoid a false positive on empty PDF 417

git-svn-id: https://zxing.googlecode.com/svn/trunk@2218 59b500cc-1b3d-0410-9834-0bbf25fbcc57
---
 .../google/zxing/pdf417/decoder/DecodedBitStreamParser.java    | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/core/src/com/google/zxing/pdf417/decoder/DecodedBitStreamParser.java b/core/src/com/google/zxing/pdf417/decoder/DecodedBitStreamParser.java
index 33bdcd542..54e3e6e6d 100644
--- a/core/src/com/google/zxing/pdf417/decoder/DecodedBitStreamParser.java
+++ b/core/src/com/google/zxing/pdf417/decoder/DecodedBitStreamParser.java
@@ -119,6 +119,9 @@ final class DecodedBitStreamParser {
         throw FormatException.getFormatInstance();
       }
     }
+    if (result.length() == 0) {
+      throw FormatException.getFormatInstance();
+    }
     return new DecoderResult(null, result.toString(), null, null);
   }