private void lazyInitialization()

in core/src/main/java/org/apache/sling/testing/mock/sling/services/MockMimeTypeService.java [49:109]
53 lines of code
8 McCabe index (conditional complexity)

    private void lazyInitialization() {
        if (!this.initialized) {
            this.initialized = true;

            ComponentContext componentContext = MockOsgi.newComponentContext();

            // activate service in simulated OSGi environment (for MimeTypeService impl < 2.0.0)
            try {
                Method bindLogServiceMethod =
                        MimeTypeServiceImpl.class.getDeclaredMethod("bindLogService", LogService.class);
                bindLogServiceMethod.invoke(this, MockOsgi.newLogService(getClass()));
            } catch (NoSuchMethodException ex) {
                // ignore
            } catch (IllegalAccessException | IllegalArgumentException | InvocationTargetException ex) {
                throw new RuntimeException("Unableo to set log service.", ex);
            }

            // call activate method of MimeTypeServiceImpl
            // via reflection because the method signature changed between org.apache.sling.commons.mime 2.1.8 and
            // 2.1.10 and 2.2.0
            try {
                Method activateMethod;
                try {
                    Class<?> mimeTypeServiceConfigClass =
                            Class.forName(MimeTypeServiceImpl.class.getName() + "$Config");
                    activateMethod = MimeTypeServiceImpl.class.getDeclaredMethod(
                            "activate", BundleContext.class, mimeTypeServiceConfigClass);
                    Object configProxy = Proxy.newProxyInstance(
                            getClass().getClassLoader(),
                            new Class[] {mimeTypeServiceConfigClass},
                            new InvocationHandler() {
                                @Override
                                public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
                                    return null;
                                }
                            });
                    activateMethod.invoke(this, componentContext.getBundleContext(), configProxy);
                } catch (NoSuchMethodException | ClassNotFoundException ex1) {
                    try {
                        activateMethod =
                                MimeTypeServiceImpl.class.getDeclaredMethod("activate", ComponentContext.class);
                        activateMethod.invoke(this, componentContext);
                    } catch (NoSuchMethodException ex2) {
                        try {
                            activateMethod = MimeTypeServiceImpl.class.getDeclaredMethod(
                                    "activate", BundleContext.class, Map.class);
                            activateMethod.invoke(
                                    this,
                                    componentContext.getBundleContext(),
                                    MapUtil.toMap(componentContext.getProperties()));
                        } catch (NoSuchMethodException ex3) {
                            throw new RuntimeException(
                                    "Did not found activate method of MimeTypeServiceImpl with any matching signature.");
                        }
                    }
                }
            } catch (SecurityException | InvocationTargetException | IllegalAccessException ex) {
                throw new RuntimeException("Unable to activate MimeTypeServiceImpl.", ex);
            }
        }
    }