public static MetricsService getMetricsService()

in src/main/java/org/apache/sling/commons/metrics/MetricsServiceFactory.java [38:61]

• 17 lines of code
• 4 McCabe index (conditional complexity)

    public static MetricsService getMetricsService(Class<?> c) {
        if(c == null) {
            throw new IllegalArgumentException("Class parameter is required");
        }
        
        final Bundle b = FrameworkUtil.getBundle(c);
        if(b == null) {
            throw new IllegalArgumentException("No BundleContext, Class was not loaded from a Bundle?: " 
                    + c.getClass().getName());
        }
        
        final BundleContext ctx = b.getBundleContext();

        // In theory we should unget this reference, but the OSGi framework
        // ungets all references held by a bundle when it stops and we cannot
        // do much better than that anyway.
        final ServiceReference ref = ctx.getServiceReference(MetricsService.class.getName());
        if(ref == null) {
            throw new IllegalStateException("MetricsService not found for Bundle "
                    + b.getSymbolicName());
        }
        
        return (MetricsService)ctx.getService(ref);
    }