Package net.devh.boot.grpc.server.error

Class GrpcExceptionInterceptor

java.lang.Object

net.devh.boot.grpc.server.error.GrpcExceptionInterceptor

All Implemented Interfaces:

ServerInterceptor

public class GrpcExceptionInterceptor
extends Object
implements ServerInterceptor

Interceptor to use for global exception handling. Every raised Throwable is caught and being processed. Actual processing of exception is in GrpcExceptionListener.

See Also:

• GrpcAdviceExceptionHandler
• GrpcExceptionListener

Constructor Summary

Constructors

Constructor	Description
GrpcExceptionInterceptor(GrpcExceptionResponseHandler grpcAdviceExceptionHandler)	Creates a new GrpcAdviceExceptionInterceptor.

Method Summary

Modifier and Type	Method	Description
<ReqT, RespT> ServerCall.Listener<ReqT>	interceptCall(ServerCall<ReqT,RespT> call, Metadata headers, ServerCallHandler<ReqT,RespT> next)
protected <ReqT> ServerCall.Listener<ReqT>	noOpCallListener()	Creates a new no-op call listener because you can neither return null nor throw an exception in interceptCall(ServerCall, Metadata, ServerCallHandler).

Methods inherited from class java.lang.Object

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

Constructor Details

GrpcExceptionInterceptor

public GrpcExceptionInterceptor(GrpcExceptionResponseHandler grpcAdviceExceptionHandler)

Creates a new GrpcAdviceExceptionInterceptor.

Parameters:

grpcAdviceExceptionHandler - The exception handler to use.

Method Details

interceptCall

public <ReqT,
RespT> ServerCall.Listener<ReqT> interceptCall(ServerCall<ReqT,RespT> call,
 Metadata headers,
 ServerCallHandler<ReqT,RespT> next)

Specified by:

interceptCall in interface ServerInterceptor

noOpCallListener

protected <ReqT> ServerCall.Listener<ReqT> noOpCallListener()

Creates a new no-op call listener because you can neither return null nor throw an exception in interceptCall(ServerCall, Metadata, ServerCallHandler).

Type Parameters:

ReqT - The type of the request.

Returns:

The newly created dummy listener.