From cae4ab83324925ad8ecef071749b04a1e9e3edda Mon Sep 17 00:00:00 2001
From: Oliver Kopp <kopp.dev@gmail.com>
Date: Fri, 11 Mar 2016 19:17:21 +0100
Subject: [PATCH] Use String(Util)s from Log4J and not from Apache Commons Lang

---
 .../net/sf/jabref/importer/fileformat/PdfContentImporter.java | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/main/java/net/sf/jabref/importer/fileformat/PdfContentImporter.java b/src/main/java/net/sf/jabref/importer/fileformat/PdfContentImporter.java
index 7aad5c57c59..f770c522ca9 100644
--- a/src/main/java/net/sf/jabref/importer/fileformat/PdfContentImporter.java
+++ b/src/main/java/net/sf/jabref/importer/fileformat/PdfContentImporter.java
@@ -10,9 +10,9 @@
 import net.sf.jabref.model.entry.BibtexEntryTypes;
 import net.sf.jabref.model.entry.EntryType;
 
-import org.apache.commons.lang.StringUtils;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
+import org.apache.logging.log4j.util.Strings;
 import org.apache.pdfbox.pdmodel.PDDocument;
 import org.apache.pdfbox.util.PDFTextStripper;
 
@@ -446,7 +446,7 @@ public void addEntry(BibEntry entry) {
             if (abstractT != null) {
                 entry.setField("abstract", abstractT);
             }
-            if (StringUtils.isNotEmpty(keywords)) {
+            if (Strings.isNotEmpty(keywords)) {
                 entry.setField("keywords", keywords);
             }
             if (title != null) {