public Object call()

in src/main/java/org/apache/sling/scripting/sightly/impl/engine/extension/use/UseRuntimeExtension.java [55:78]

• 24 lines of code
• 5 McCabe index (conditional complexity)

    public Object call(final RenderContext renderContext, Object... arguments) {
        ExtensionUtils.checkArgumentCount(RuntimeExtension.USE, arguments, 2);
        RuntimeObjectModel runtimeObjectModel = renderContext.getObjectModel();
        String identifier = runtimeObjectModel.toString(arguments[0]);
        if (StringUtils.isEmpty(identifier)) {
            throw new SightlyException("data-sly-use needs to be passed an identifier");
        }
        Map<String, Object> useArgumentsMap = runtimeObjectModel.toMap(arguments[1]);
        Bindings useArguments = new SimpleBindings(Collections.unmodifiableMap(useArgumentsMap));
        ArrayList<UseProvider> providers = new ArrayList<>(providersMap.values());
        ListIterator<UseProvider> iterator = providers.listIterator(providers.size());
        while (iterator.hasPrevious()) {
            UseProvider provider = iterator.previous();
            ProviderOutcome outcome = provider.provide(identifier, renderContext, useArguments);
            Throwable failureCause;
            if (outcome.isSuccess()) {
                return outcome.getResult();
            } else if ((failureCause = outcome.getCause()) != null) {
                throw new SightlyException(
                        "Identifier " + identifier + " cannot be correctly instantiated by the Use API", failureCause);
            }
        }
        throw new SightlyException("No use provider could resolve identifier " + identifier);
    }