RouteParameters.getLong("param") should provide the parameter name in the exception message

[mvysny]

Description of the bug / feature

When event.getRouteParameters().getLong("param") fails, it should provide the parameter name in the exception message

Minimal reproducible example

@Route("foo/:myparam/bar")
public class ExampleRoute extends VerticalLayout implements BeforeEnterObserver {
    @Override
    public void beforeEnter(BeforeEnterEvent event) {
        System.out.println(event.getRouteParameters().getLong("myparam").get());
    }
}

Expected behavior

The NumberFormatException should be wrapped in an IllegalArgumentException which should clearly state the parameter name.

Actual behavior

Current message doesn't contain the parameter name myparam

java.lang.NumberFormatException: For input string: "kvak"
	at java.base/java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)
	at java.base/java.lang.Long.parseLong(Long.java:692)
	at java.base/java.lang.Long.valueOf(Long.java:1144)
	at com.vaadin.flow.router.RouteParameters.getLong(RouteParameters.java:155)
	at org.vaadin.example.ExampleRoute.beforeEnter(Cicina.java:13)

Versions:

- Vaadin / Flow version: 14.5.0.alpha3

[vaadin-bot]

This ticket/PR has been released with platform 19.0.6. For prerelease versions, it will be included in its final version.

[vaadin-bot]

This ticket/PR has been released with platform 14.6.0.rc1. For prerelease versions, it will be included in its final version.

[vaadin-bot]

This ticket/PR has been released with platform 14.5.5. For prerelease versions, it will be included in its final version.