I am trying to bind instance provided by a ThrowingProvider into MapBinder.
But I don't know how to do this.
I have a SslHandlerProvider provides a SSL channel handler.
public interface SslHandlerProvider extends CheckedProvider<ChannelHandler>{
ChannelHandler get() throws SslException;
}
Here's the implementation :
public class SslHandlerProviderImpl implements SslHandlerProvider{
@Inject SslContextProvider context;
@Inject SslContextConfig config;
@Override
public ChannelHandler get() throws SslException {
SSLEngine engine = context.get().createSSLEngine();
engine.setUseClientMode(config.isClientMode());
return new SslHandler(engine);
}
}
In module config, I want to bind a SSLHandler into the MapBinder, but this
cause a compile errorThe method toProvider(Provider<? extends
ChannelHandler>) in the type LinkedBindingBuilder<ChannelHandler> is not
applicable for the arguments (Class<SslHandlerProvider>) when I use
.toProvider method.
MapBinder<String, ChannelHandler> handlerBinder =
MapBinder.newMapBinder(binder(), String.class, ChannelHandler.class);
//This will cause compile error:
//handlerBinder.addHandler("ssl").toProvider(SslHandlerProvider.class).in(Scopes.NO_SCOPE);
handlerBinder.addHandler("encoder").to(JsonEncoder.class).in(Scopes.NO_SCOPE);
handlerBinder.addHandler("decoder").to(JsonDecoder.class).in(Scopes.NO_SCOPE);
So How could I do this ? Any answer or suggestion is appreciated. Thanks!
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