MethodExtracedProceuralCode.kt

class HttpRequest(private val url: String, private val method: HttpMethod, private val body: String) {
    fun matches(anotherRequest: HttpRequest): Result {
        when (val result = matchUrl(anotherRequest)) {
            is Failure -> return result
        }
        when (val result = matchMethod(anotherRequest)) {
            is Failure -> return result
        }
        when (val result = matchBody(anotherRequest)) {
            is Failure -> return result
        }
        return Success("everything matches")
    }

    private fun matchUrl(anotherRequest: HttpRequest): Result {
        if (this.url != anotherRequest.url)
            return Failure("URL did not match. ${this.url} not equal to ${anotherRequest.url}")
        return Success("Url matches")
    }

    private fun matchMethod(anotherRequest: HttpRequest): Result {
        if (this.body != anotherRequest.body)
            return Failure("Method did not match. ${this.method} not equal to ${anotherRequest.method}")
        return Success("Method matches")
    }

    private fun matchBody(anotherRequest: HttpRequest): Result {
        if (this.body != anotherRequest.body)
            return Failure("Body did not match. ${this.body} not equal to ${anotherRequest.body}")
        return Success("Body matches")
    }
}