TerminalFactorySpi

public protocol TerminalFactorySpi : AnyObject

The TerminalFactorySpi class defines the service provider interface. Applications do not access this class directly, instead see TerminalFactory.

Service providers that want to write a new implementation should define a concrete subclass of TerminalFactorySpi with a constructor that takes an Any as parameter. That class needs to be registered in a Provider. The engine type is TerminalFactory. Service providers also need to implement subclasses of the protocol classes CardTerminals, CardTerminal, Card, and CardChannel.

For example:

module MyModule

file MyProvider.swift:

import SmartCardIO

public class MyProvider: Provider {
    public init() {
        super.init(name: "MyProvider",
                   version: 1.0,
                   info: "Smart Card Example")
        put(key: "TerminalFactory.MyType",
            value: "MyModule.MySpi")
    }
}

file MySpi.swift:

import SmartCardIO

public class MySpi: TerminalFactoySpi {
    public required init(parameter: Any) throws {
        // initialize as appropriate
    }
    public func engineTerminals() -> CardTerminals {
        // add implementation code here
    }
}