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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/keyring/api/PgpHelper.java
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@@ -22,10 +22,10 @@ import static org.bouncycastle.bcpg.PublicKeyAlgorithmTags.ELGAMAL_GENERAL;
import static org.bouncycastle.bcpg.PublicKeyAlgorithmTags.RSA_GENERAL;
import static org.bouncycastle.bcpg.PublicKeyAlgorithmTags.RSA_SIGN;
import com.google.common.base.Optional;
import com.google.common.base.VerifyException;
import java.io.IOException;
import java.util.Iterator;
import java.util.Optional;
import org.bouncycastle.openpgp.PGPException;
import org.bouncycastle.openpgp.PGPKeyPair;
import org.bouncycastle.openpgp.PGPPrivateKey;
@@ -156,7 +156,7 @@ public final class PgpHelper {
throw new AssertionError();
}
}
return Optional.absent();
return Optional.empty();
}
/** Returns {@code true} if this key can be used for signing. */