| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.sling.servlets.resolver.internal; |
| |
| import java.util.Iterator; |
| import java.util.Map; |
| import java.util.function.Supplier; |
| |
| import org.apache.sling.api.resource.LoginException; |
| import org.apache.sling.api.resource.PersistenceException; |
| import org.apache.sling.api.resource.Resource; |
| import org.apache.sling.api.resource.ResourceMetadata; |
| import org.apache.sling.api.resource.ResourceResolver; |
| import org.apache.sling.api.resource.ValueMap; |
| import org.apache.sling.api.wrappers.IteratorWrapper; |
| import org.apache.sling.servlets.resolver.internal.resource.MergingServletResourceProvider; |
| import org.apache.sling.spi.resource.provider.ResolveContext; |
| import org.apache.sling.spi.resource.provider.ResourceContext; |
| import org.apache.sling.spi.resource.provider.ResourceProvider; |
| |
| import javax.servlet.http.HttpServletRequest; |
| |
| public class ScriptResourceResolver implements ResourceResolver { |
| private final ResourceResolver resolver; |
| private final Supplier<MergingServletResourceProvider> providerSupplier; |
| |
| public ScriptResourceResolver(ResourceResolver resolver, Supplier<MergingServletResourceProvider> provider) { |
| this.resolver = resolver; |
| this.providerSupplier = provider; |
| } |
| |
| public static ScriptResourceResolver wrap(ResourceResolver scriptResourceResolver, Supplier<MergingServletResourceProvider> provider) { |
| return new ScriptResourceResolver(scriptResourceResolver, provider); |
| } |
| |
| @Override |
| public Iterable<Resource> getChildren(Resource parent) { |
| return () -> listChildren(parent); |
| } |
| |
| @Override |
| public Resource getResource(String scriptPath) { |
| MergingServletResourceProvider provider = this.providerSupplier.get(); |
| |
| if (provider == null) { |
| return resolver.getResource(scriptPath); |
| } |
| else { |
| return wrap(provider.getResource(new ResolveContext<Object>() { |
| @Override |
| public ResourceResolver getResourceResolver() { |
| return ScriptResourceResolver.this; |
| } |
| |
| @Override |
| public Object getProviderState() { |
| return null; |
| } |
| |
| @Override |
| public ResolveContext<?> getParentResolveContext() { |
| return null; |
| } |
| |
| @Override |
| public ResourceProvider<?> getParentResourceProvider() { |
| return new ResourceProvider<Object>() { |
| @Override |
| public Resource getResource(ResolveContext<Object> ctx, String path, ResourceContext resourceContext, Resource parent) { |
| return resolver.getResource(path); |
| } |
| |
| @Override |
| public Iterator<Resource> listChildren(ResolveContext<Object> ctx, Resource parent) { |
| return resolver.listChildren(parent); |
| } |
| }; |
| } |
| }, scriptPath)); |
| } |
| } |
| |
| @Override |
| public Resource getResource(Resource base, String path) { |
| if (!path.startsWith("/") && base != null) { |
| path = String.format("%s/%s", base.getPath(), path); |
| } |
| return getResource(path); |
| } |
| |
| @Override |
| public Iterator<Resource> listChildren(Resource parent) { |
| MergingServletResourceProvider provider = this.providerSupplier.get(); |
| if (provider == null) { |
| return resolver.listChildren(parent); |
| } |
| else { |
| return wrap(provider.listChildren(new ResolveContext<Object>() { |
| @Override |
| public ResourceResolver getResourceResolver() { |
| return ScriptResourceResolver.this; |
| } |
| |
| @Override |
| public Object getProviderState() { |
| return null; |
| } |
| |
| public ResolveContext<?> getParentResolveContext() { |
| return null; |
| } |
| |
| public ResourceProvider<?> getParentResourceProvider() { |
| return new ResourceProvider<Object>() { |
| @Override |
| public Resource getResource(ResolveContext<Object> ctx, String path, ResourceContext resourceContext, Resource parent) { |
| return resolver.getResource(path); |
| } |
| |
| @Override |
| public Iterator<Resource> listChildren(ResolveContext<Object> ctx, Resource parent) { |
| return resolver.listChildren(parent); |
| } |
| }; |
| } |
| }, unwrap(parent))); |
| } |
| } |
| |
| protected final ResourceResolver getDelegate() { |
| return resolver; |
| } |
| |
| @Override |
| public void close() { |
| getDelegate().close(); |
| } |
| |
| @Override |
| public void commit() throws PersistenceException { |
| getDelegate().commit(); |
| } |
| |
| @Override |
| public Resource create(final Resource parent, final String name, final Map<String, Object> properties) throws PersistenceException { |
| return getDelegate().create(parent, name, properties); |
| } |
| |
| @Override |
| public boolean orderBefore(Resource resource, String s, String s1) throws UnsupportedOperationException, PersistenceException, IllegalArgumentException { |
| return getDelegate().orderBefore(resource, s, s1); |
| } |
| |
| @Override |
| public void delete( final Resource resource) throws PersistenceException { |
| getDelegate().delete(resource); |
| } |
| |
| @Override |
| public Iterator<Resource> findResources(final String query, final String language) { |
| return getDelegate().findResources(query, language); |
| } |
| |
| @Override |
| public Object getAttribute(final String name) { |
| return getDelegate().getAttribute(name); |
| } |
| |
| @Override |
| public Iterator<String> getAttributeNames() { |
| return getDelegate().getAttributeNames(); |
| } |
| |
| @Override |
| public String getParentResourceType(final Resource resource) { |
| return getDelegate().getParentResourceType(resource); |
| } |
| |
| @Override |
| public String getParentResourceType(final String resourceType) { |
| return getDelegate().getParentResourceType(resourceType); |
| } |
| |
| @Override |
| public String[] getSearchPath() { |
| return getDelegate().getSearchPath(); |
| } |
| |
| @Override |
| public String getUserID() { |
| return getDelegate().getUserID(); |
| } |
| |
| @Override |
| public boolean hasChanges() { |
| return getDelegate().hasChanges(); |
| } |
| |
| @Override |
| public boolean hasChildren(final Resource resource) { |
| return listChildren(resource).hasNext(); |
| } |
| |
| @Override |
| public boolean isLive() { |
| return getDelegate().isLive(); |
| } |
| |
| @Override |
| public boolean isResourceType(final Resource resource, final String resourceType) { |
| return getDelegate().isResourceType(resource, resourceType); |
| } |
| |
| @Override |
| public String map(final HttpServletRequest request, final String resourcePath) { |
| return getDelegate().map(request, resourcePath); |
| } |
| |
| @Override |
| public String map(final String resourcePath) { |
| return getDelegate().map(resourcePath); |
| } |
| |
| @Override |
| public Iterator<Map<String, Object>> queryResources(final String query, final String language) { |
| return getDelegate().queryResources(query, language); |
| } |
| |
| @Override |
| public void refresh() { |
| getDelegate().refresh(); |
| } |
| |
| @Override |
| public Resource resolve(final String absPath) { |
| return getDelegate().resolve(absPath); |
| } |
| |
| @Override |
| @Deprecated |
| public Resource resolve(final HttpServletRequest request) { |
| return getDelegate().resolve(request); |
| } |
| |
| @Override |
| public Resource resolve(final HttpServletRequest request, final String absPath) { |
| return getDelegate().resolve(request, absPath); |
| } |
| |
| @Override |
| public void revert() { |
| getDelegate().revert(); |
| } |
| |
| @Override |
| public <AdapterType> AdapterType adaptTo(final Class<AdapterType> type) { |
| return getDelegate().adaptTo(type); |
| } |
| |
| @Override |
| public Resource getParent(final Resource child) { |
| return getDelegate().getParent(child); |
| } |
| |
| @Override |
| public Resource move(final String srcAbsPath, final String destAbsPath) throws PersistenceException { |
| return getDelegate().move(srcAbsPath, destAbsPath); |
| } |
| |
| @Override |
| public Map<String, Object> getPropertyMap() { |
| return getDelegate().getPropertyMap(); |
| } |
| |
| @Override |
| public Resource copy(final String srcAbsPath, final String destAbsPath) throws PersistenceException { |
| return getDelegate().copy(srcAbsPath, destAbsPath); |
| } |
| |
| Resource wrap(Resource resource) { |
| if (resource != null && |
| !Resource.RESOURCE_TYPE_NON_EXISTING.equals(resource.getResourceType()) && |
| !(resource.getResourceResolver() instanceof ScriptResourceResolver)) { |
| resource = new ScriptResourceResolverResourceWrapper(resource); |
| } |
| return resource; |
| } |
| |
| private Iterator<Resource> wrap(Iterator<Resource> iter) { |
| if (iter != null) { |
| iter = new IteratorWrapper<Resource>(iter){ |
| @Override |
| public Resource next() { |
| return wrap(super.next()); |
| } |
| }; |
| } |
| return iter; |
| } |
| |
| private Resource unwrap(Resource resource) { |
| if (resource instanceof ScriptResourceResolverResourceWrapper) { |
| resource = ((ScriptResourceResolverResourceWrapper) resource).getDelegate(); |
| } |
| return resource; |
| } |
| |
| @Override |
| public ScriptResourceResolver clone(Map<String, Object> o) throws LoginException { |
| return ScriptResourceResolver.wrap(resolver.clone(o), providerSupplier); |
| } |
| |
| private class ScriptResourceResolverResourceWrapper implements Resource { |
| private final Resource delegate; |
| public ScriptResourceResolverResourceWrapper(Resource resource) { |
| this.delegate = resource; |
| } |
| |
| Resource getDelegate() { |
| return delegate; |
| } |
| |
| @Override |
| public ResourceResolver getResourceResolver() { |
| return ScriptResourceResolver.this; |
| } |
| |
| @Override |
| public Resource getChild( final String relPath) { |
| return ScriptResourceResolver.this.getResource(this, relPath); |
| } |
| |
| @Override |
| public Iterable<Resource> getChildren() { |
| return ScriptResourceResolver.this.getChildren(this); |
| } |
| |
| @Override |
| public String getName() { |
| return this.delegate.getName(); |
| } |
| |
| @Override |
| public Resource getParent() { |
| return ScriptResourceResolver.this.getParent(this); |
| } |
| |
| @Override |
| public String getPath() { |
| return this.delegate.getPath(); |
| } |
| |
| @Override |
| public ResourceMetadata getResourceMetadata() { |
| return this.delegate.getResourceMetadata(); |
| } |
| |
| @Override |
| public String getResourceSuperType() { |
| return this.delegate.getResourceSuperType(); |
| } |
| |
| @Override |
| public String getResourceType() { |
| return this.delegate.getResourceType(); |
| } |
| |
| @Override |
| public ValueMap getValueMap() { |
| return this.delegate.getValueMap(); |
| } |
| |
| @Override |
| public boolean hasChildren() { |
| return listChildren().hasNext(); |
| } |
| |
| @Override |
| public boolean isResourceType(final String resourceType) { |
| return this.delegate.isResourceType(resourceType); |
| } |
| |
| @Override |
| public Iterator<Resource> listChildren() { |
| return getChildren().iterator(); |
| } |
| |
| @Override |
| public <AdapterType> AdapterType adaptTo(final Class<AdapterType> type) { |
| return this.delegate.adaptTo(type); |
| } |
| } |
| } |