Switch from Guava Optionals to Java 8 Optionals

This was a surprisingly involved change. Some of the difficulties included
java.util.Optional purposely not being Serializable (so I had to move a
few Optionals in mapreduce classes to @Nullable) and having to add the Truth
Java8 extension library for assertion support.

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=171863777
This commit is contained in:
mcilwain 2017-10-11 13:09:26 -07:00 committed by jianglai
parent 184b2b56ac
commit c0f8da0c6e
581 changed files with 1325 additions and 932 deletions

View file

@ -19,7 +19,6 @@ import static google.registry.rdap.RdapUtils.getRegistrarByIanaIdentifier;
import static google.registry.request.Action.Method.GET;
import static google.registry.request.Action.Method.HEAD;
import com.google.common.base.Optional;
import com.google.common.collect.ImmutableMap;
import com.google.common.primitives.Longs;
import com.google.re2j.Pattern;
@ -33,6 +32,7 @@ import google.registry.request.HttpException.BadRequestException;
import google.registry.request.HttpException.NotFoundException;
import google.registry.request.auth.Auth;
import google.registry.util.Clock;
import java.util.Optional;
import javax.inject.Inject;
import org.joda.time.DateTime;
@ -89,7 +89,7 @@ public class RdapEntityAction extends RdapActionBase {
return rdapJsonFormatter.makeRdapJsonForContact(
contactResource,
true,
Optional.<DesignatedContact.Type>absent(),
Optional.<DesignatedContact.Type>empty(),
rdapLinkBase,
rdapWhoisServer,
now,