Updated Weberbank PDF Extractor to support parsing of dividend ex-date

Issue: portfolio-performance#5439

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: buchen

name.abuchen.portfolio.tests/src/name/abuchen/portfolio/datatransfer/pdf/weberbank/WeberbankPDFExtractorTest.java

@@ -223,6 +223,7 @@ public void testDividende01WithSecurityInEUR()
 
         assertThat(transaction.getShares(), is(Values.Share.factorize(107)));
         assertThat(transaction.getDateTime(), is(LocalDateTime.parse("2020-08-13T00:00")));
+        assertThat(transaction.getExDate(), is(LocalDateTime.parse("2020-08-07T00:00")));
         assertThat(transaction.getSource(), is("Dividende01.txt"));
         assertThat(transaction.getNote(), is("Quartalsdividende"));
 

name.abuchen.portfolio/src/name/abuchen/portfolio/datatransfer/pdf/WeberbankPDFExtractor.java

@@ -161,6 +161,13 @@ private void addDividendeTransaction()
                         .match("^Zahlbarkeitstag (?<date>[\\d]{2}\\.[\\d]{2}\\.[\\d]{4}).*$") //
                         .assign((t, v) -> t.setDateTime(asDate(v.get("date"))))
 
+                        // @formatter:off
+                        // Ex-Tag 07.08.2020 Art der Dividende Quartalsdividende
+                        // @formatter:on
+                        .section("exDate").optional() //
+                        .match("^Ex\\-Tag (?<exDate>[\\d]{2}\\.[\\d]{2}\\.[\\d]{4}).*$") //
+                        .assign((t, v) -> t.setExDate(asDate(v.get("exDate"))))
+
                         // @formatter:off
                         // Ausmachender Betrag 55,14+ EUR
                         // @formatter:on