DynamicSwmlService.java

/**
 * Dynamic SWML Service Example.
 *
 * Demonstrates creating SWML services that generate different responses
 * based on request data -- a dynamic greeting service and a call router.
 *
 * These use the SWML Service class directly (no AI component).
 *
 * Usage: java DynamicSwmlService [greeting|router]
 */

import com.signalwire.sdk.swml.Service;

import java.util.Map;

public class DynamicSwmlService {

    public static void main(String[] args) throws Exception {
        String mode = args.length > 0 ? args[0] : "greeting";

        switch (mode) {
            case "greeting" -> startGreeting();
            case "router"   -> startRouter();
            default -> {
                System.out.println("Usage: DynamicSwmlService [greeting|router]");
                System.exit(1);
            }
        }
    }

    /**
     * A greeting service that serves different SWML based on caller type.
     */
    static void startGreeting() throws Exception {
        var svc = new Service("dynamic-greeting", "/greeting");

        // Build a default greeting document
        svc.answer(null);
        svc.play(Map.of("url", "say:Hello, thank you for calling our service."));
        svc.prompt(Map.of(
                "play", "say:Press 1 for sales, 2 for support, or 3 to leave a message.",
                "max_digits", 1,
                "terminators", "#"
        ));
        svc.hangup();

        System.out.println("Starting dynamic greeting service...");
        System.out.println("POST JSON to customize: {\"caller_name\":\"John\",\"caller_type\":\"vip\"}");
        svc.serve();
    }

    /**
     * A call router that routes calls by region.
     */
    static void startRouter() throws Exception {
        var svc = new Service("call-router", "/router");

        svc.answer(null);
        svc.play(Map.of("url",
                "say:Thank you for calling. We'll connect you with an available agent."));
        svc.connect(Map.of("to", "+15551234567", "timeout", 30));
        svc.play(Map.of("url",
                "say:All agents are busy. Please try again later."));
        svc.hangup();

        System.out.println("Starting call router service...");
        System.out.println("POST JSON to customize: {\"region\":\"west\",\"high_volume\":true}");
        svc.serve();
    }
}