FIX: Regression of #1775 - set date for other platfroms broken, when ebean.dataTimeZone is set to GMT

src/main/java/io/ebeaninternal/server/core/timezone/DataTimeZone.java

@@ -8,7 +8,16 @@ import java.util.Calendar;
 public interface DataTimeZone {
 
   /**
-   * Return the Calendar to use for Timezone information.
+   * Return the Calendar to use for Timezone information when reading/writing timestamps.
    */
   Calendar getTimeZone();
+
+  /**
+   * Return the Calendar to use for Timezone information when reading/writing date.
+   * A 'date' only value has normally no timezone information, but some platforms (like MySQL)
+   * reqire this.
+   */
+  default Calendar getDateTimeZone() {
+    return null;
+  }
 }

src/main/java/io/ebeaninternal/server/core/timezone/LocalDataTimeZone.java

@@ -17,4 +17,9 @@ public class LocalDataTimeZone implements DataTimeZone {
   public Calendar getTimeZone() {
     return zone;
   }
+
+  @Override
+    public Calendar getDateTimeZone() {
+      return zone; // workaround for MySQL. TODO: rename class to MySqlDataTimeZone!?
+    }
 }

src/main/java/io/ebeaninternal/server/type/DataBind.java

@@ -141,7 +141,7 @@ public class DataBind {
   }
 
   public void setDate(java.sql.Date v) throws SQLException {
-    Calendar timeZone = dataTimeZone.getTimeZone();
+    Calendar timeZone = dataTimeZone.getDateTimeZone();
     if (timeZone != null) {
       pstmt.setDate(++pos, v, timeZone);
     } else {

src/main/java/io/ebeaninternal/server/type/RsetDataReader.java

@@ -106,7 +106,7 @@ public class RsetDataReader implements DataReader {
 
   @Override
   public Date getDate() throws SQLException {
-    Calendar cal = dataTimeZone.getTimeZone();
+    Calendar cal = dataTimeZone.getDateTimeZone();
     if (cal != null) {
       return rset.getDate(pos(), cal);
     } else {