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

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@ -21,12 +21,12 @@ import static google.registry.request.RequestParameters.extractRequiredParameter
import com.google.api.client.googleapis.auth.oauth2.GoogleCredential;
import com.google.api.client.http.HttpTransport;
import com.google.api.client.json.jackson2.JacksonFactory;
import com.google.common.base.Optional;
import com.google.common.collect.ImmutableList;
import dagger.Module;
import dagger.Provides;
import google.registry.bigquery.BigqueryConnection;
import google.registry.request.Parameter;
import java.util.Optional;
import java.util.concurrent.Executors;
import javax.servlet.http.HttpServletRequest;
import org.joda.time.Duration;

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@ -22,7 +22,6 @@ import static javax.servlet.http.HttpServletResponse.SC_OK;
import com.google.api.services.bigquery.model.TableFieldSchema;
import com.google.appengine.tools.cloudstorage.GcsFilename;
import com.google.common.base.Optional;
import com.google.common.base.Throwables;
import com.google.common.collect.ArrayListMultimap;
import com.google.common.collect.ImmutableCollection;
@ -50,6 +49,7 @@ import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Optional;
import java.util.concurrent.ExecutionException;
import javax.inject.Inject;

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@ -20,7 +20,6 @@ import static google.registry.model.registry.Registries.assertTldExists;
import static google.registry.request.Action.Method.POST;
import com.google.appengine.tools.cloudstorage.GcsFilename;
import com.google.common.base.Optional;
import com.google.common.io.ByteStreams;
import google.registry.config.RegistryConfig.Config;
import google.registry.gcs.GcsUtils;
@ -35,6 +34,7 @@ import google.registry.util.Retrier;
import java.io.IOException;
import java.io.InputStream;
import java.nio.charset.StandardCharsets;
import java.util.Optional;
import javax.inject.Inject;
/**