`fun <R> Observable<R>.mapErrors(): Observable<R> {` ` return this.onErrorResum...

# codereview

[Mohamed Ibrahim]

fun <R> Observable<R>.mapErrors(): Observable<R> {
return this.onErrorResumeNext { t: Throwable ->
val error = when (t) {
is UnknownHostException -> NoInternetException
else -> t
}
Observable.error(error)
}
}

[furkan.akdemir]

@Mohamed Ibrahim Why do you need when statement? In this case, it can be done with if-else.

[Mohamed Ibrahim]

I could add more Errors types

[furkan.akdemir]

you can create a ErrorFactory to transform errors into your exceptions. Then, call it by

val error = errorFactory.create(throwable)
return Observable.error(error)

You can extend your error factory by handling more exceptions.