Examples of org.apache.sling.resourceresolver.impl.tree.ResourceProviderEntry

Package org.apache.sling.resourceresolver.impl.tree

Examples of org.apache.sling.resourceresolver.impl.tree.ResourceProviderEntry

org.apache.sling.resourceresolver.impl.tree.ResourceProviderEntry
The ResourceProviderEntry class represents a node in the tree of resource providers spanned by the root paths of the provider resources.
That means this class has a map of child ResourceProviderEntries, keyed by the child name and a list of ProviderHandlers that are mapped to the path that this ResourceProviderEntry represents. To locate a list of potential ResourceProviders the path is split into elements and then that list used to walk down the tree of ResourceProviders. eg: for a path /a/b/c/d the list of ProviderHandlers would be accessed by rootProvider.get("a").get("b").get("c").get("d") assuming the final get("d") was not null. If it was, then the list of ProviderHanders would be rootProvider.get("a").get("b").get("c").
This class is comparable to itself to help keep the child entries list sorted by their prefix.


        // gather the providers in linked set, such that we keep
        // the order of addition and make sure we only get one entry
        // for each resource provider
        final Set<ProviderHandler> providersSet = new LinkedHashSet<ProviderHandler>();
        final ResourceProviderEntry atPath = getResourceProviders(path, providersSet);


        if (log.isDebugEnabled()) {
            log.debug(" Provider Set for path {} {} ", path, Arrays
                    .toString(providersSet.toArray(new ProviderHandler[providersSet.size()])));
        }
        this.iteratorPath = path;
        providers = providersSet.iterator();
        baseEntryValues = (atPath != null) ? atPath.values().iterator() : null;
        delayed = new HashMap<String, Resource>();
        visited = new HashSet<String>();
        nextResource = seek();
    }

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                }


            } else if (baseEntryValues != null) {


                while (baseEntryValues.hasNext()) {
                    final ResourceProviderEntry rpw = baseEntryValues.next();
                    final String resPath = iteratorPath + rpw.getPath();
                    if (!visited.contains(resPath)) {
                        final ResourceResolver rr = parentResource.getResourceResolver();
                        final Resource res = rpw.getResourceFromProviders(this.resourceResolverContext, rr,
                                resPath);
                        if (res == null) {
                            if (!delayed.containsKey(resPath)) {
                                delayed.put(
                                        resPath,

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    private ResourceProviderEntry getResourceProviders(final String path,
            final Set<ProviderHandler> providers) {


        // collect providers along the ancestor path segements
        final String[] elements = ResourceProviderEntry.split(path);
        ResourceProviderEntry base = rootProviderEntry;
        for (final String element : elements) {
            if (base.containsKey(element)) {
                base = base.get(element);
                if (log.isDebugEnabled()) {
                    log.debug("Loading from {}  {} ", element,
                            base.getResourceProviders().length);
                }
                for (final ProviderHandler rp : base.getResourceProviders()) {
                    log.debug("Adding {} for {} ", rp, path);
                    providers.add(rp);
                }
            } else {
                log.debug("No container for {} ", element);

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Related Classes of org.apache.sling.resourceresolver.impl.tree.ResourceProviderEntry

org.apache.sling.api.resource.ModifyingResourceProvider

org.apache.sling.api.resource.Resource

org.apache.sling.api.resource.ResourceProvider

org.apache.sling.api.resource.SyntheticResource

org.apache.sling.resourceresolver.impl.helper.ResourceIterator

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