Make formatting of XmlDateTime more consistent

Author: leonardehrenfried

pom.xml

@@ -120,11 +120,6 @@
 	    <version>4.0.0</version>
 	    <scope>runtime</scope>
 	</dependency>
-        <dependency>
-            <groupId>com.migesok</groupId>
-            <artifactId>jaxb-java-time-adapters</artifactId>
-            <version>${jaxb.java.time.adapters.version}</version>
-        </dependency>
         <dependency>
             <groupId>org.glassfish.jaxb</groupId>
             <artifactId>jaxb-runtime</artifactId>

src/main/java/org/rutebanken/time/XmlDateTime.java

@@ -3,10 +3,11 @@
 import java.time.LocalDateTime;
 import java.time.ZoneId;
 import java.time.ZonedDateTime;
+import java.time.format.DateTimeFormatter;
 import java.util.Objects;
 
 /**
- * A wrapper type to represent the fact that xml xml dateTime can both include local and zoned
+ * A wrapper type to represent the fact that the XML dateTime can both include local and zoned
  * date times.
  */
 public class XmlDateTime {
@@ -43,10 +44,10 @@ public boolean isLocal() {
   @Override
   public String toString() {
     if(zonedDateTime != null) {
-      return zonedDateTime.toString();
+      return zonedDateTime.format(DateTimeFormatter.ISO_DATE_TIME);
     }
     else {
-      return localDateTime.toString();
+      return localDateTime.format(DateTimeFormatter.ISO_LOCAL_DATE_TIME);
     }
   }
 }