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core: Move ACCEPT_ENCODING_JOINER to DecompressorRegistry 

This removes a reference of io.grpc.internal from io.grpc. It also
optimizes server call handling for outbound grpc-accept-encoding header,
as had already been done for client call.
This commit is contained in:
Eric Anderson 2016-06-11 12:10:07 -07:00
parent 4b127f2231
commit 0b55c81548
4 changed files with 9 additions and 11 deletions
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4
benchmarks/src/jmh/java/io/grpc/DecompressorRegistryBenchmark.java
View File

@ -31,7 +31,7 @@
package io.grpc;
import io.grpc.internal.GrpcUtil;
import static io.grpc.DecompressorRegistry.ACCEPT_ENCODING_JOINER;
import org.openjdk.jmh.annotations.Benchmark;
import org.openjdk.jmh.annotations.BenchmarkMode;
@ -87,7 +87,7 @@ public class DecompressorRegistryBenchmark {
@OutputTimeUnit(TimeUnit.NANOSECONDS)
public String dynamicAcceptEncoding() {
if (!reg.getAdvertisedMessageEncodings().isEmpty()) {
return GrpcUtil.ACCEPT_ENCODING_JOINER.join(reg.getAdvertisedMessageEncodings());
return ACCEPT_ENCODING_JOINER.join(reg.getAdvertisedMessageEncodings());
}
return "";
}

5
core/src/main/java/io/grpc/DecompressorRegistry.java
View File

@ -33,7 +33,8 @@ package io.grpc;
import static com.google.common.base.Preconditions.checkArgument;
import static com.google.common.base.Preconditions.checkNotNull;
import static io.grpc.internal.GrpcUtil.ACCEPT_ENCODING_JOINER;
import com.google.common.base.Joiner;
import java.util.Collections;
import java.util.HashSet;
@ -51,6 +52,8 @@ import javax.annotation.concurrent.ThreadSafe;
@ExperimentalApi("https://github.com/grpc/grpc-java/issues/1704")
@ThreadSafe
public final class DecompressorRegistry {
static final Joiner ACCEPT_ENCODING_JOINER = Joiner.on(',');
public static DecompressorRegistry emptyInstance() {
return new DecompressorRegistry();
}

3
core/src/main/java/io/grpc/internal/GrpcUtil.java
View File

@ -34,7 +34,6 @@ package io.grpc.internal;
import static com.google.common.base.Preconditions.checkArgument;
import com.google.common.annotations.VisibleForTesting;
import com.google.common.base.Joiner;
import com.google.common.base.Preconditions;
import com.google.common.base.Splitter;
import com.google.common.collect.ImmutableMap;
@ -143,8 +142,6 @@ public final class GrpcUtil {
public static final Splitter ACCEPT_ENCODING_SPLITER = Splitter.on(',').trimResults();
public static final Joiner ACCEPT_ENCODING_JOINER = Joiner.on(',');
private static final String IMPLEMENTATION_VERION = getImplementationVersion();
/**

8
core/src/main/java/io/grpc/internal/ServerCallImpl.java
View File

@ -34,7 +34,6 @@ package io.grpc.internal;
import static com.google.common.base.Preconditions.checkArgument;
import static com.google.common.base.Preconditions.checkNotNull;
import static com.google.common.base.Preconditions.checkState;
import static io.grpc.internal.GrpcUtil.ACCEPT_ENCODING_JOINER;
import static io.grpc.internal.GrpcUtil.ACCEPT_ENCODING_SPLITER;
import static io.grpc.internal.GrpcUtil.MESSAGE_ACCEPT_ENCODING_KEY;
import static io.grpc.internal.GrpcUtil.MESSAGE_ENCODING_KEY;
@ -58,7 +57,6 @@ import io.grpc.Status;
import java.io.IOException;
import java.io.InputStream;
import java.util.List;
import java.util.Set;
final class ServerCallImpl<ReqT, RespT> extends ServerCall<RespT> {
private final ServerStream stream;
@ -139,9 +137,9 @@ final class ServerCallImpl<ReqT, RespT> extends ServerCall<RespT> {
stream.setCompressor(compressor);
headers.removeAll(MESSAGE_ACCEPT_ENCODING_KEY);
Set<String> acceptEncodings = decompressorRegistry.getAdvertisedMessageEncodings();
if (!acceptEncodings.isEmpty()) {
headers.put(MESSAGE_ACCEPT_ENCODING_KEY, ACCEPT_ENCODING_JOINER.join(acceptEncodings));
String advertisedEncodings = decompressorRegistry.getRawAdvertisedMessageEncodings();
if (!advertisedEncodings.isEmpty()) {
headers.put(MESSAGE_ACCEPT_ENCODING_KEY, advertisedEncodings);
}
// Don't check if sendMessage has been called, since it requires that sendHeaders was already