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

@ -20,7 +20,6 @@ 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.ImmutableList;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.Streams;
@ -42,6 +41,7 @@ import google.registry.request.auth.Auth;
import google.registry.util.Clock;
import java.util.ArrayList;
import java.util.List;
import java.util.Optional;
import javax.inject.Inject;
import org.joda.time.DateTime;
@ -298,7 +298,7 @@ public class RdapEntitySearchAction extends RdapActionBase {
jsonOutputList.add(rdapJsonFormatter.makeRdapJsonForContact(
contact,
false,
Optional.<DesignatedContact.Type>absent(),
Optional.<DesignatedContact.Type>empty(),
rdapLinkBase,
rdapWhoisServer,
now,