Examples of org.apache.sling.api.resource.ResourceResolver

org.apache.sling.api.resource.ResourceResolver

The ResourceResolver defines the service API which may be used to resolve {@link Resource} objects. The resource resolver is available tothe request processing servlet through the {@link org.apache.sling.api.SlingHttpServletRequest#getResourceResolver()}method. A resource resolver can also be created through the {@link ResourceResolverFactory}.

The ResourceResolver is also an {@link Adaptable} to getadapters to other types. A JCR based resource resolver might support adapting to the JCR Session used by the resolver to access the JCR Repository.

A ResourceResolver is generally not thread safe! As a consequence, an application which uses the resolver, its returned resources and/or objects resulting from adapting either the resolver or a resource, must provide proper synchronization to ensure no more than one thread concurrently operates against a single resolver, resource or resulting objects.

Accessing Resources

This interface defines two kinds of methods to access resources: The resolve methods and the getResource methods. The difference lies in the algorithm applied to find the requested resource and in the behavior in case a resource cannot be found:

Method Kind	Access Algorithm	Missing Resource
resolve	Path is always assumed to be absolute. Uses elaborate resource resolution algorithm. This kind of method is intended to resolve request URLs to resources.	Returns {@link NonExistingResource}
getResource	Directly access resources with absolute path. For relative paths, the {@link #getSearchPath() search path} is applied. This method is intended tobe used by request processing scripts to access further resources as required.	Returns `null`

Lifecycle

A Resource Resolver has a life cycle which begins with the creation of the Resource Resolver using any of the factory methods and ends with calling the {@link #close()} method. It is very important to call the {@link #close()}method once the resource resolver is not used any more to ensure any system resources are properly cleaned up.

To check whether a Resource Resolver can still be used, the {@link #isLive()}method can be called.

Resource Resolver Attributes

The authentication info properties provided to the {@link ResourceResolverFactory#getResourceResolver(Map)}, {@link ResourceResolverFactory#getAdministrativeResourceResolver(Map)}, or {@link #clone(Map)} are available through the {@link #getAttributeNames()}and {@link #getAttribute(String)} methods with the exception of securitysensitive properties like {@link ResourceResolverFactory#PASSWORD} which isnot exposed.


    private int deleteCount;


    private void delete(final Resource rsrc )
    throws PersistenceException {
        final ResourceResolver resolver = rsrc.getResourceResolver();
        for(final Resource child : rsrc.getChildren()) {
            delete(child);
        }
        resolver.delete(rsrc);
        deleteCount++;
        if ( deleteCount >= 20 ) {
            resolver.commit();
            deleteCount = 0;
        }
    }

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    }


    public void cleanup() {
        final ServiceReference ref = this.bc.getServiceReference(ResourceResolverFactory.class.getName());
        final ResourceResolverFactory factory = (ResourceResolverFactory) this.bc.getService(ref);
        ResourceResolver resolver = null;
        try {
            resolver = factory.getAdministrativeResourceResolver(null);
            final Resource rsrc = resolver.getResource(JobManagerConfiguration.DEFAULT_REPOSITORY_PATH);
            if ( rsrc != null ) {
                delete(rsrc);
                resolver.commit();
            }
        } catch ( final LoginException le ) {
            // ignore
        } catch (final PersistenceException e) {
            // ignore
        } finally {
            if ( resolver != null ) {
                resolver.close();
            }
        }
        this.sleep(1000);
    }

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    private ResourceResolver resourceResolver;


    protected abstract ResourceResolverType getResourceResolverType();


    protected ResourceResolver newResourceResolver() {
        ResourceResolver resolver = MockSling.newResourceResolver(getResourceResolverType());


        if (getResourceResolverType() == ResourceResolverType.JCR_MOCK) {
            try {
                // dummy namespace registrations to make sure sling JCR resolver
                // does not get mixed up with the prefixes
                NamespaceRegistry namespaceRegistry = resolver.adaptTo(Session.class).getWorkspace()
                        .getNamespaceRegistry();
                namespaceRegistry.registerNamespace("sling", "http://mock/sling");
                namespaceRegistry.registerNamespace("app", "http://mock/app");
                namespaceRegistry.registerNamespace("dam", "http://mock/dam");
            } catch (RepositoryException ex) {

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        this.max = batchSize;
    }


    public void delete(final Resource rsrc )
    throws PersistenceException {
        final ResourceResolver resolver = rsrc.getResourceResolver();
        for(final Resource child : rsrc.getChildren()) {
            delete(child);
        }
        resolver.delete(rsrc);
        count++;
        if ( count >= max ) {
            resolver.commit();
            count = 0;
        }
    }

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                this.ignoreException(e);
                Thread.currentThread().interrupt();
                this.running = false;
            }
            if ( path != null && path.length() > 0 && this.running ) {
                ResourceResolver resolver = null;
                try {
                    resolver = this.resourceResolverFactory.getAdministrativeResourceResolver(null);
                    final Resource eventResource = resolver.getResource(path);
                    if ( DistributedEventAdminImpl.RESOURCE_TYPE_EVENT.equals(eventResource.getResourceType())) {
                        final Event e = this.readEvent(eventResource);
                        if ( e != null ) {
                            // we check event admin as processing is async
                            final EventAdmin localEA = this.eventAdmin;
                            if ( localEA != null ) {
                                localEA.postEvent(e);
                            } else {
                                this.logger.error("Unable to post event as no event admin is available.");
                            }
                        }
                    }
                } catch (final LoginException ex) {
                    this.logger.error("Exception during creation of resource resolver.", ex);
                } finally {
                    if ( resolver != null ) {
                        resolver.close();
                    }
                }
            }
        }
    }

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        if (authorizable.isGroup()) {
            Group group = ((Group) authorizable);
            String groupPath = AuthorizableResourceProvider.SYSTEM_USER_MANAGER_GROUP_PREFIX
                + group.getID();


            ResourceResolver resolver = baseResource.getResourceResolver();
            boolean changed = false;
            
            UserManager userManager = AccessControlUtil.getUserManager(resolver.adaptTo(Session.class));


            // first remove any members posted as ":member@Delete"
            String[] membersToDelete = convertToStringArray(properties.get(SlingPostConstants.RP_PREFIX
                + "member" + SlingPostConstants.SUFFIX_DELETE));
            if (membersToDelete != null) {

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    @Test
    public void test() throws Exception {
    String value = RandomStringUtils.randomAlphanumeric(10);


    ResourceResolver resolver = null;
    Node createdNode = null;
    try {
        resolver = rrFactory.getAdministrativeResourceResolver(null);
        Session session = resolver.adaptTo(Session.class);
        Node rootNode = session.getRootNode();
        createdNode = rootNode.addNode("test_" + RandomStringUtils.randomAlphanumeric(10));
        createdNode.setProperty("testProperty", value);
        session.save();


        Resource resource = resolver.getResource(createdNode.getPath());


        SlingPropertyAnnotationTestModel model = resource.adaptTo(SlingPropertyAnnotationTestModel.class);


        assertNotNull("Model is null", model);
        assertEquals("Test Property is not set correctly", value, model.getTestProperty());
    } finally {
        if (createdNode != null) {
        createdNode.remove();
        }
        if (resolver != null) {
        resolver.close();
        }
    }
    }

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    @Test
    public void test() throws Exception {
        String value = RandomStringUtils.randomAlphanumeric(10);


        ResourceResolver resolver = null;
        Node createdNode = null;
        try {
            resolver = rrFactory.getAdministrativeResourceResolver(null);
            Session session = resolver.adaptTo(Session.class);
            Node rootNode = session.getRootNode();
            createdNode = rootNode.addNode("test_" + RandomStringUtils.randomAlphanumeric(10));
            createdNode.setProperty("testProperty", value);
            session.save();


            Resource resource = resolver.getResource(createdNode.getPath());
            SourceObject obj = new SourceObject(resource);


            ViaModel model = adapterManager.getAdapter(obj, ViaModel.class);


            assertNotNull("Model is null", model);
            assertEquals("Test Property is not set correctly", value, model.getTestProperty());
        } finally {
            if (createdNode != null) {
                createdNode.remove();
            }
            if (resolver != null) {
                resolver.close();
            }
        }
    }

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        final String resource = AuthUtil.setLoginResourceAttribute(request,
            request.getRequestURI());


        if (includeLoginForm && (resourceResolverFactory != null)) {
            ResourceResolver resourceResolver = null;
            try {
                resourceResolver = resourceResolverFactory.getAdministrativeResourceResolver(null);
                Resource loginFormResource = resourceResolver.resolve(loginForm);
                Servlet loginFormServlet = loginFormResource.adaptTo(Servlet.class);
                if (loginFormServlet != null) {
                    try {
                        loginFormServlet.service(request, response);
                        return true;
                    } catch (ServletException e) {
                        log.error("Failed to include the form: " + loginForm, e);
                    }
                }
            } catch (LoginException e) {
                log.error("Unable to get a resource resolver to include for the login resource. Will redirect instead.");
            } finally {
                if (resourceResolver != null) {
                    resourceResolver.close();
                }
            }
        }


        HashMap<String, String> params = new HashMap<String, String>();

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        }


        final File[] children = parentFile.listFiles();


        if (children != null && children.length > 0) {
            final ResourceResolver resolver = parent.getResourceResolver();
            final String parentPath = parent.getPath();
            return new Iterator<Resource>() {
                int index = 0;


                Resource next = seek();

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