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Switch from Guava Optionals to Java 8 Optionals

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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.

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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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4
java/google/registry/tldconfig/idn/LanguageValidator.java
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@ -14,8 +14,8 @@
package google.registry.tldconfig.idn;
import com.google.common.base.Optional;
import com.google.common.collect.ImmutableMap;
import java.util.Optional;
abstract class LanguageValidator {
@ -25,7 +25,7 @@ abstract class LanguageValidator {
/** Return the language validator for the given language code (if one exists). */
static Optional<LanguageValidator> get(String language) {
return Optional.fromNullable(LANGUAGE_VALIDATORS.get(language));
return Optional.ofNullable(LANGUAGE_VALIDATORS.get(language));
}
/** Returns true if the label meets the context rules for this language. */