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Playframework - API for checking if Http context exists

Many game APIs provide a runtime exception. "HTTP context not available." Ex. using the following code in a playtemplate can throw this exception at runtime.

flash().remove("message")

So far, to solve this problem, I use try / catch blocks and there is an exception in the case where the http context is not available, but I would rather check if the http context is available or not, instead of having an exception, it is any API that allows the user to check for the existence of a http context? I tried following but it also ended up with a runtime exception

@if(Http.Context.current() != null) {
       @* Do something here which needs http context *@
}
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The following code can be used to check for the presence of a context.

    if (Context.current.get() != null) {
        System.out.println("Context present");
    } else {
        System.out.println("No context");
    }


Hope it helps.

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