Fix empty lastname

If only a firstname is detected, use it without lastname.
kermitt2 · Aug 1, 2021 · 2a69fa4 · 2a69fa4
1 parent c1afa0a
commit 2a69fa4
Showing 1 changed file with 10 additions and 3 deletions.
diff --git a/grobid-core/src/main/java/org/grobid/core/data/BiblioItem.java b/grobid-core/src/main/java/org/grobid/core/data/BiblioItem.java
@@ -1922,12 +1922,19 @@ public String toBibTeX(String id, GrobidAnalysisConfig config) {
                     fullAuthors.stream()
                                .filter(person -> person != null)
                                .forEachOrdered(person -> {
-                                   String author = person.getLastName();
+                                   String author = "";
+                                   if (person.getLastName() != null) {
+                                       author = person.getLastName();
+                                   }
                                    if (person.getFirstName() != null) {
-                                       author += ", ";
+                                       if (author.length() > 0) {
+                                           author += ", ";
+                                       }
                                        author += person.getFirstName();
                                    }
-                                   authors.add(author);
+                                   if (author.length() > 0 ) {
+                                       authors.add(author);
+                                   }
                                });
                 } else if (this.authors != null) {
                     StringTokenizer st = new StringTokenizer(this.authors, ";");