Reduce some lines of code

Author: Isira-Seneviratne

extractor/src/main/java/org/schabi/newpipe/extractor/localization/DateWrapper.java

@@ -91,22 +91,16 @@ public String toString() {
     }
 
     public static DateWrapper fromOffsetDateTime(final String date) throws ParsingException {
-        if (date == null) {
-            return null;
-        }
         try {
-            return new DateWrapper(OffsetDateTime.parse(date));
+            return date != null ? new DateWrapper(OffsetDateTime.parse(date)) : null;
         } catch (final DateTimeParseException e) {
             throw new ParsingException("Could not parse date: \"" + date + "\"", e);
         }
     }
 
     public static DateWrapper fromInstant(final String date) throws ParsingException {
-        if (date == null) {
-            return null;
-        }
         try {
-            return new DateWrapper(Instant.parse(date));
+            return date != null ? new DateWrapper(Instant.parse(date)) : null;
         } catch (final DateTimeParseException e) {
             throw new ParsingException("Could not parse date: \"" + date + "\"", e);
         }

extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeStreamExtractor.java

@@ -87,7 +87,6 @@
 import java.io.IOException;
 import java.nio.charset.StandardCharsets;
 import java.time.LocalDate;
-import java.time.OffsetDateTime;
 import java.time.format.DateTimeFormatter;
 import java.time.format.DateTimeParseException;
 import java.util.ArrayList;
@@ -211,13 +210,9 @@ public String getTextualUploadDate() throws ParsingException {
     @Override
     public DateWrapper getUploadDate() throws ParsingException {
         final String dateText = getTextualUploadDate();
-        if (dateText == null) {
-            return null;
-        }
-
         try {
-            return new DateWrapper(OffsetDateTime.parse(dateText));
-        } catch (final DateTimeParseException e) {
+            return DateWrapper.fromOffsetDateTime(dateText);
+        } catch (final ParsingException e) {
             // Try other patterns first
         }