package com.epson.mobilephone.common.wifidirect; public class EventWrapperWiFiDirect { private boolean handled = false; private T mContent; public EventWrapperWiFiDirect(T t) { if (t != null) { this.mContent = t; return; } throw new IllegalArgumentException("null values in Event are not allowed."); } @Nullable public T getEventContent() { if (this.handled) { return null; } this.handled = true; return this.mContent; } public boolean hasBeenHandled() { return this.handled; } }