Examples of org.apache.sling.api.adapter.AdapterFactory

org.apache.sling.api.adapter.AdapterFactory
The AdapterFactory interface defines the API for helpers which may be provided to enhance the adaptability of adaptable objects.
Implementations of this interface are registered as OSGi services and are used by the {@link AdapterManager} to adapt objects on demand. TheAdapterFactory services are not really intended to be used by clients directly.
The {@link AdapterManager} implementations ensures that the{@link #getAdapter(Object,Class)} method is only called for the combinationof adaptable and adapter type which is allowed as per the service registration properties {@link #ADAPTABLE_CLASSES} and{@link #ADAPTER_CLASSES}.

        // get the factory for the target type
        final List<AdapterFactoryDescriptor> descList = factories.get(type.getName());


        if (descList != null && descList.size() > 0) {
            for (AdapterFactoryDescriptor desc : descList) {
                final AdapterFactory factory = desc == null ? null : desc.getFactory();


                // have the factory adapt the adaptable if the factory exists
                if (factory != null) {
                    log.debug("Trying adapter factory {} to map {} to {}",
                            new Object [] { factory, adaptable, type });


                    AdapterType adaptedObject = factory.getAdapter(adaptable, type);
                    if (adaptedObject != null) {
                        log.debug("Using adapter factory {} to map {} to {}",
                                new Object [] { factory, adaptable, type });
                        return adaptedObject;
                    }

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        assertNull(sampleObject.adaptTo(String.class));


        BundleContext bundleContext = MockOsgi.newBundleContext();
        MockSling.setAdapterManagerBundleContext(bundleContext);


        bundleContext.registerService(AdapterFactory.class.getName(), new AdapterFactory() {
            @SuppressWarnings("unchecked")
            @Override
            public <AdapterType> AdapterType getAdapter(final Object adaptable, final Class<AdapterType> type) {
                if (adaptable instanceof AdaptableTest && type.isAssignableFrom(String.class)) {
                    return (AdapterType) ((AdaptableTest) adaptable).toString();

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        if (this.bundleContext != null) {
            try {
                ServiceReference[] references = bundleContext
                        .getServiceReferences(AdapterFactory.class.getName(), null);
                for (ServiceReference serviceReference : references) {
                    AdapterFactory adapterFactory = (AdapterFactory) bundleContext.getService(serviceReference);
                    AdapterType instance = adapterFactory.getAdapter(adaptable, type);
                    if (instance != null) {
                        return instance;
                    }
                }
            } catch (InvalidSyntaxException ex) {

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public class MockComponentContext implements ComponentContext {


    private Map<ServiceReference, AdapterFactory> services = new HashMap<ServiceReference, AdapterFactory>();


    public Object locateService(String name, ServiceReference reference) {
        AdapterFactory af = services.get(reference);
        if (af == null) {
            af = new MockAdapterFactory();
            services.put(reference, af);
        }
        return af;

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        // get the adapter factories for the type of adaptable object
        Map<String, AdapterFactory> factories = getAdapterFactories(adaptable.getClass());


        // get the factory for the target type
        AdapterFactory factory = factories.get(type.getName());


        // have the factory adapt the adaptable if the factory exists
        if (factory != null) {
            if (debug) {
                log(LogService.LOG_DEBUG, "Using adapter factory " + factory
                    + " to map " + adaptable + " to " + type, null);
            }


            return factory.getAdapter(adaptable, type);
        }


        // no factory has been found, so we cannot adapt
        if (debug) {
            log(LogService.LOG_DEBUG, "No adapter factory found to map "

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        if (adaptables == null || adaptables.length == 0 || adapters == null
            || adapters.length == 0) {
            return;
        }


        AdapterFactory factory = (AdapterFactory) context.locateService(
            "AdapterFactory", reference);


        AdapterFactoryDescriptorKey factoryKey = new AdapterFactoryDescriptorKey(
            reference);
        AdapterFactoryDescriptor factoryDesc = new AdapterFactoryDescriptor(

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Related Classes of org.apache.sling.api.adapter.AdapterFactory

org.apache.sling.adapter.internal.AdapterManagerImpl

org.apache.sling.adapter.mock.MockComponentContext

org.apache.sling.testing.mock.sling.MockAdapterManager

org.apache.sling.testing.mock.sling.MockAdapterManagerTest

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