Migrate from the deprecated `Charsets` constants (in Guava) to the `StandardCharsets` constants (in the JDK)

cl/658539667

api/src/main/java/io/grpc/Metadata.java

@@ -16,9 +16,9 @@
 
 package io.grpc;
 
-import static com.google.common.base.Charsets.US_ASCII;
 import static com.google.common.base.Preconditions.checkArgument;
 import static com.google.common.base.Preconditions.checkNotNull;
+import static java.nio.charset.StandardCharsets.US_ASCII;
 
 import com.google.common.annotations.VisibleForTesting;
 import com.google.common.base.Preconditions;

api/src/main/java/io/grpc/Status.java

@@ -16,10 +16,10 @@
 
 package io.grpc;
 
-import static com.google.common.base.Charsets.US_ASCII;
-import static com.google.common.base.Charsets.UTF_8;
 import static com.google.common.base.Preconditions.checkNotNull;
 import static com.google.common.base.Throwables.getStackTraceAsString;
+import static java.nio.charset.StandardCharsets.US_ASCII;
+import static java.nio.charset.StandardCharsets.UTF_8;
 
 import com.google.common.base.MoreObjects;
 import com.google.common.base.Objects;
@@ -34,7 +34,6 @@ import javax.annotation.CheckReturnValue;
 import javax.annotation.Nullable;
 import javax.annotation.concurrent.Immutable;
 
-
 /**
  * Defines the status of an operation by providing a standard {@link Code} in conjunction with an
  * optional descriptive message. Instances of {@code Status} are created by starting with the

api/src/test/java/io/grpc/MetadataTest.java

@@ -16,8 +16,8 @@
 
 package io.grpc;
 
-import static com.google.common.base.Charsets.US_ASCII;
-import static com.google.common.base.Charsets.UTF_8;
+import static java.nio.charset.StandardCharsets.US_ASCII;
+import static java.nio.charset.StandardCharsets.UTF_8;
 import static org.junit.Assert.assertArrayEquals;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;

api/src/testFixtures/java/io/grpc/StringMarshaller.java

@@ -16,7 +16,7 @@
 
 package io.grpc;
 
-import static com.google.common.base.Charsets.UTF_8;
+import static java.nio.charset.StandardCharsets.UTF_8;
 
 import com.google.common.io.ByteStreams;
 import java.io.ByteArrayInputStream;

auth/src/test/java/io/grpc/auth/GoogleAuthLibraryCallCredentialsTest.java

@@ -16,7 +16,7 @@
 
 package io.grpc.auth;
 
-import static com.google.common.base.Charsets.US_ASCII;
+import static java.nio.charset.StandardCharsets.US_ASCII;
 import static org.junit.Assert.assertArrayEquals;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNull;

core/src/main/java/io/grpc/internal/ReadableBuffers.java

@@ -16,7 +16,7 @@
 
 package io.grpc.internal;
 
-import static com.google.common.base.Charsets.UTF_8;
+import static java.nio.charset.StandardCharsets.UTF_8;
 
 import com.google.common.base.Preconditions;
 import io.grpc.Detachable;

core/src/main/java/io/grpc/internal/TransportFrameUtil.java

@@ -16,7 +16,7 @@
 
 package io.grpc.internal;
 
-import static com.google.common.base.Charsets.US_ASCII;
+import static java.nio.charset.StandardCharsets.US_ASCII;
 
 import com.google.common.io.BaseEncoding;
 import io.grpc.InternalMetadata;

core/src/test/java/io/grpc/internal/CompositeReadableBufferTest.java

@@ -16,7 +16,7 @@
 
 package io.grpc.internal;
 
-import static com.google.common.base.Charsets.UTF_8;
+import static java.nio.charset.StandardCharsets.UTF_8;
 import static org.junit.Assert.assertArrayEquals;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;

core/src/test/java/io/grpc/internal/Http2ClientStreamTransportStateTest.java

@@ -16,9 +16,9 @@
 
 package io.grpc.internal;
 
-import static com.google.common.base.Charsets.US_ASCII;
 import static io.grpc.internal.ClientStreamListener.RpcProgress.PROCESSED;
 import static io.grpc.internal.GrpcUtil.DEFAULT_MAX_MESSAGE_SIZE;
+import static java.nio.charset.StandardCharsets.US_ASCII;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
 import static org.mockito.ArgumentMatchers.any;

core/src/test/java/io/grpc/internal/ReadableBuffersArrayTest.java

@@ -16,8 +16,8 @@
 
 package io.grpc.internal;
 
-import static com.google.common.base.Charsets.UTF_8;
 import static io.grpc.internal.ReadableBuffers.wrap;
+import static java.nio.charset.StandardCharsets.UTF_8;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertSame;
 import static org.junit.Assert.assertTrue;

core/src/test/java/io/grpc/internal/ReadableBuffersByteBufferTest.java

@@ -16,7 +16,7 @@
 
 package io.grpc.internal;
 
-import static com.google.common.base.Charsets.UTF_8;
+import static java.nio.charset.StandardCharsets.UTF_8;
 
 import java.nio.ByteBuffer;
 

core/src/test/java/io/grpc/internal/ReadableBuffersTest.java

@@ -16,7 +16,7 @@
 
 package io.grpc.internal;
 
-import static com.google.common.base.Charsets.UTF_8;
+import static java.nio.charset.StandardCharsets.UTF_8;
 import static org.junit.Assert.assertArrayEquals;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertThrows;

core/src/test/java/io/grpc/internal/ServerCallImplTest.java

@@ -16,8 +16,8 @@
 
 package io.grpc.internal;
 
-import static com.google.common.base.Charsets.UTF_8;
 import static io.grpc.internal.GrpcUtil.CONTENT_LENGTH_KEY;
+import static java.nio.charset.StandardCharsets.UTF_8;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNotNull;

core/src/test/java/io/grpc/internal/TransportFrameUtilTest.java

@@ -16,10 +16,10 @@
 
 package io.grpc.internal;
 
-import static com.google.common.base.Charsets.US_ASCII;
-import static com.google.common.base.Charsets.UTF_8;
 import static io.grpc.Metadata.ASCII_STRING_MARSHALLER;
 import static io.grpc.Metadata.BINARY_BYTE_MARSHALLER;
+import static java.nio.charset.StandardCharsets.US_ASCII;
+import static java.nio.charset.StandardCharsets.UTF_8;
 import static org.junit.Assert.assertArrayEquals;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNull;

core/src/testFixtures/java/io/grpc/internal/AbstractTransportTest.java

@@ -16,8 +16,8 @@
 
 package io.grpc.internal;
 
-import static com.google.common.base.Charsets.UTF_8;
 import static com.google.common.truth.Truth.assertThat;
+import static java.nio.charset.StandardCharsets.UTF_8;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNotEquals;

core/src/testFixtures/java/io/grpc/internal/ReadableBufferTestBase.java

@@ -16,7 +16,7 @@
 
 package io.grpc.internal;
 
-import static com.google.common.base.Charsets.UTF_8;
+import static java.nio.charset.StandardCharsets.UTF_8;
 import static org.junit.Assert.assertArrayEquals;
 import static org.junit.Assert.assertEquals;
 

interop-testing/src/main/java/io/grpc/testing/integration/GrpclbFallbackTestClient.java

@@ -16,7 +16,7 @@
 
 package io.grpc.testing.integration;
 
-import static com.google.common.base.Charsets.UTF_8;
+import static java.nio.charset.StandardCharsets.UTF_8;
 import static org.junit.Assert.assertEquals;
 
 import com.google.common.io.CharStreams;

netty/src/main/java/io/grpc/netty/GrpcHttp2HeadersUtils.java

@@ -31,12 +31,12 @@
 
 package io.grpc.netty;
 
-import static com.google.common.base.Charsets.US_ASCII;
 import static com.google.common.base.Preconditions.checkArgument;
 import static io.grpc.netty.Utils.TE_HEADER;
 import static io.netty.handler.codec.http2.Http2Error.PROTOCOL_ERROR;
 import static io.netty.handler.codec.http2.Http2Exception.connectionError;
 import static io.netty.util.AsciiString.isUpperCase;
+import static java.nio.charset.StandardCharsets.US_ASCII;
 
 import com.google.common.io.BaseEncoding;
 import com.google.errorprone.annotations.CanIgnoreReturnValue;

okhttp/src/test/java/io/grpc/okhttp/ExceptionHandlingFrameWriterTest.java

@@ -16,9 +16,9 @@
 
 package io.grpc.okhttp;
 
-import static com.google.common.base.Charsets.UTF_8;
 import static com.google.common.truth.Truth.assertThat;
 import static io.grpc.okhttp.ExceptionHandlingFrameWriter.getLogLevel;
+import static java.nio.charset.StandardCharsets.UTF_8;
 import static org.mockito.Mockito.doThrow;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.verify;

okhttp/src/test/java/io/grpc/okhttp/OkHttpClientTransportTest.java

@@ -16,7 +16,6 @@
 
 package io.grpc.okhttp;
 
-import static com.google.common.base.Charsets.UTF_8;
 import static com.google.common.truth.Truth.assertThat;
 import static io.grpc.internal.ClientStreamListener.RpcProgress.MISCARRIED;
 import static io.grpc.internal.ClientStreamListener.RpcProgress.PROCESSED;
@@ -25,6 +24,7 @@ import static io.grpc.okhttp.Headers.CONTENT_TYPE_HEADER;
 import static io.grpc.okhttp.Headers.HTTP_SCHEME_HEADER;
 import static io.grpc.okhttp.Headers.METHOD_HEADER;
 import static io.grpc.okhttp.Headers.TE_HEADER;
+import static java.nio.charset.StandardCharsets.UTF_8;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNotNull;

okhttp/src/test/java/io/grpc/okhttp/OkHttpProtocolNegotiatorTest.java

@@ -16,7 +16,7 @@
 
 package io.grpc.okhttp;
 
-import static com.google.common.base.Charsets.UTF_8;
+import static java.nio.charset.StandardCharsets.UTF_8;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNotNull;

okhttp/src/test/java/io/grpc/okhttp/OkHttpServerTransportTest.java

@@ -16,12 +16,12 @@
 
 package io.grpc.okhttp;
 
-import static com.google.common.base.Charsets.UTF_8;
 import static com.google.common.truth.Truth.assertThat;
 import static io.grpc.okhttp.Headers.CONTENT_TYPE_HEADER;
 import static io.grpc.okhttp.Headers.HTTP_SCHEME_HEADER;
 import static io.grpc.okhttp.Headers.METHOD_HEADER;
 import static io.grpc.okhttp.Headers.TE_HEADER;
+import static java.nio.charset.StandardCharsets.UTF_8;
 import static org.mockito.AdditionalAnswers.answerVoid;
 import static org.mockito.AdditionalAnswers.delegatesTo;
 import static org.mockito.ArgumentMatchers.any;

services/src/test/java/io/grpc/protobuf/services/BinaryLogProviderTest.java

@@ -16,8 +16,8 @@
 
 package io.grpc.protobuf.services;
 
-import static com.google.common.base.Charsets.UTF_8;
 import static com.google.common.truth.Truth.assertThat;
+import static java.nio.charset.StandardCharsets.UTF_8;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertSame;
 import static org.junit.Assert.assertTrue;

testing/src/main/java/io/grpc/internal/testing/StatsTestUtils.java

@@ -16,8 +16,8 @@
 
 package io.grpc.internal.testing;
 
-import static com.google.common.base.Charsets.UTF_8;
 import static com.google.common.base.Preconditions.checkNotNull;
+import static java.nio.charset.StandardCharsets.UTF_8;
 
 import com.google.common.base.Function;
 import com.google.common.collect.ImmutableMap;

xds/src/test/java/io/grpc/xds/internal/rbac/engine/GrpcAuthorizationEngineTest.java

@@ -16,8 +16,8 @@
 
 package io.grpc.xds.internal.rbac.engine;
 
-import static com.google.common.base.Charsets.US_ASCII;
 import static com.google.common.truth.Truth.assertThat;
+import static java.nio.charset.StandardCharsets.US_ASCII;
 import static org.mockito.Mockito.doThrow;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.when;