io.grpc.internal

Class HttpUtil

java.lang.Object

io.grpc.internal.HttpUtil

public final class HttpUtil
extends Object

Constants for GRPC-over-HTTP (or HTTP/2).

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	HttpUtil.Http2Error All error codes identified by the HTTP/2 spec.

Field Summary

Fields

Modifier and Type	Field and Description
static String	CONTENT_TYPE_GRPC Content-Type used for GRPC-over-HTTP/2.
static Metadata.Key<String>	CONTENT_TYPE_KEY Metadata.Key for the Content-Type request/response header.
static String	HTTP_METHOD The HTTP method used for GRPC requests.
static String	TE_TRAILERS The TE (transport encoding) header for requests over HTTP/2.
static String	TIMEOUT The Timeout header name.
static Metadata.Key<String>	USER_AGENT_KEY Metadata.Key for the Content-Type request/response header.

Method Summary

Modifier and Type	Method and Description
static String	getGrpcUserAgent(String transportName, String applicationUserAgent) Gets the User-Agent string for the gRPC transport.
static Status	httpStatusToGrpcStatus(int httpStatusCode) Maps HTTP error response status codes to transport codes.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

CONTENT_TYPE_KEY

public static final Metadata.Key<String> CONTENT_TYPE_KEY

Metadata.Key for the Content-Type request/response header.

USER_AGENT_KEY

public static final Metadata.Key<String> USER_AGENT_KEY

Metadata.Key for the Content-Type request/response header.

CONTENT_TYPE_GRPC

public static final String CONTENT_TYPE_GRPC

Content-Type used for GRPC-over-HTTP/2.

See Also:

Constant Field Values

HTTP_METHOD

public static final String HTTP_METHOD

The HTTP method used for GRPC requests.

See Also:

Constant Field Values

TE_TRAILERS

public static final String TE_TRAILERS

The TE (transport encoding) header for requests over HTTP/2.

See Also:

Constant Field Values

TIMEOUT

public static final String TIMEOUT

The Timeout header name.

See Also:

Constant Field Values

Method Detail

httpStatusToGrpcStatus

public static Status httpStatusToGrpcStatus(int httpStatusCode)

Maps HTTP error response status codes to transport codes.

getGrpcUserAgent

public static String getGrpcUserAgent(String transportName,
                                      @Nullable
                                      String applicationUserAgent)

Gets the User-Agent string for the gRPC transport.