ThumbnailProviderManagerImpl.java
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/*
* Decompiled with CFR 0_118.
*
* Could not load the following classes:
* javax.jcr.Node
* javax.jcr.Property
* javax.jcr.RepositoryException
* javax.jcr.Session
* javax.jcr.nodetype.NodeType
* org.apache.felix.scr.annotations.Component
* org.apache.felix.scr.annotations.Reference
* org.apache.felix.scr.annotations.ReferenceCardinality
* org.apache.felix.scr.annotations.ReferencePolicy
* org.apache.felix.scr.annotations.Service
* org.apache.sling.api.resource.LoginException
* org.apache.sling.api.resource.Resource
* org.apache.sling.api.resource.ResourceResolver
* org.apache.sling.api.resource.ResourceResolverFactory
* org.apache.sling.api.resource.ResourceUtil
* org.osgi.framework.ServiceReference
* org.osgi.service.component.ComponentContext
* org.slf4j.Logger
* org.slf4j.LoggerFactory
*/
package com.day.cq.commons.impl;
import com.day.cq.commons.thumbnail.ThumbnailProvider;
import com.day.cq.commons.thumbnail.ThumbnailProviderManager;
import java.util.Collections;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.Set;
import javax.jcr.Node;
import javax.jcr.Property;
import javax.jcr.RepositoryException;
import javax.jcr.Session;
import javax.jcr.nodetype.NodeType;
import org.apache.felix.scr.annotations.Component;
import org.apache.felix.scr.annotations.Reference;
import org.apache.felix.scr.annotations.ReferenceCardinality;
import org.apache.felix.scr.annotations.ReferencePolicy;
import org.apache.felix.scr.annotations.Service;
import org.apache.sling.api.resource.LoginException;
import org.apache.sling.api.resource.Resource;
import org.apache.sling.api.resource.ResourceResolver;
import org.apache.sling.api.resource.ResourceResolverFactory;
import org.apache.sling.api.resource.ResourceUtil;
import org.osgi.framework.ServiceReference;
import org.osgi.service.component.ComponentContext;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@Component(metatype=0)
@Reference(name="ThumbnailProvider", referenceInterface=ThumbnailProvider.class, cardinality=ReferenceCardinality.OPTIONAL_MULTIPLE, policy=ReferencePolicy.DYNAMIC)
@Service(value={ThumbnailProviderManager.class})
public class ThumbnailProviderManagerImpl
implements ThumbnailProviderManager {
private final Logger log = LoggerFactory.getLogger(ThumbnailProviderManagerImpl.class);
private static String PRED_REF_NAME = "ThumbnailProvider";
private static String THUMBNAIL_PROVIDER_NAME = "thumbnail.provider.name";
@Reference
private ResourceResolverFactory resolverFactory;
private ComponentContext osgiComponentContext;
private List<ServiceReference> delayedRefs;
private Map<String, ThumbnailProvider> thumbnailProviders = new HashMap<String, ThumbnailProvider>();
@Override
public ThumbnailProvider getThumbnailProvider(Node node) {
try {
ThumbnailProvider provider = this.thumbnailProviders.get(node.getPrimaryNodeType().getName());
if (provider == null && (provider = this.getResourceTypeProvider(node)) == null && node.hasNode("jcr:content")) {
Node contentNode = node.getNode("jcr:content");
provider = this.getResourceTypeProvider(contentNode);
}
return provider;
}
catch (RepositoryException e) {
this.log.warn("No ThumbnailProvider found");
this.log.debug("Choosing default thumbnail provider");
return this.thumbnailProviders.get("*");
}
}
protected void activate(ComponentContext componentContext) {
this.osgiComponentContext = componentContext;
if (this.osgiComponentContext != null && this.delayedRefs != null) {
List<ServiceReference> list = this.delayedRefs;
this.delayedRefs = null;
for (ServiceReference ref : list) {
this.initThumbnailProvider(ref);
}
}
this.log.info("Thumbnail provider manager activated.");
}
protected void deactivate(ComponentContext componentContext) {
this.log.info("Thumbnail provider manager deactivated.");
}
protected void bindThumbnailProvider(ServiceReference ref) {
if (this.osgiComponentContext == null) {
if (this.delayedRefs == null) {
this.delayedRefs = new LinkedList<ServiceReference>();
}
this.delayedRefs.add(ref);
} else {
this.initThumbnailProvider(ref);
}
}
protected void unbindThumbnailProvider(ServiceReference ref) {
String name = (String)ref.getProperty(THUMBNAIL_PROVIDER_NAME);
if (this.thumbnailProviders.remove(name) == null) {
this.log.warn("removing unregistered thumbnail provider {}", (Object)name);
} else {
this.log.info("unregistering thumbnail provider {}", (Object)name);
}
}
private void initThumbnailProvider(ServiceReference ref) {
ThumbnailProvider tprovider = (ThumbnailProvider)this.osgiComponentContext.locateService(PRED_REF_NAME, ref);
if (tprovider != null) {
String name = (String)ref.getProperty(THUMBNAIL_PROVIDER_NAME);
if (name == null) {
this.log.error("initFilter: Missing name for thumbnail provider {}", (Object)ref);
return;
}
this.log.info("registering thumbnail provider {}", (Object)name);
this.thumbnailProviders.put(name, tprovider);
}
}
private ThumbnailProvider getResourceTypeProvider(Node node) throws RepositoryException {
if (node.hasProperty("sling:resourceType")) {
String resourceType = node.getProperty("sling:resourceType").getString();
if (this.thumbnailProviders.containsKey(resourceType)) {
return this.thumbnailProviders.get(resourceType);
}
try {
ResourceResolver resolver = this.resolverFactory.getResourceResolver(Collections.singletonMap("user.jcr.session", node.getSession()));
Resource nodeRes = resolver.getResource(node.getPath());
if (!ResourceUtil.isNonExistingResource((Resource)nodeRes)) {
for (String provider : this.thumbnailProviders.keySet()) {
if (!nodeRes.isResourceType(provider)) continue;
return this.thumbnailProviders.get(provider);
}
}
}
catch (LoginException e) {
this.log.warn("getResourceTypeProvider: Unable to obtain resource resolver");
}
}
return null;
}
protected void bindResolverFactory(ResourceResolverFactory resourceResolverFactory) {
this.resolverFactory = resourceResolverFactory;
}
protected void unbindResolverFactory(ResourceResolverFactory resourceResolverFactory) {
if (this.resolverFactory == resourceResolverFactory) {
this.resolverFactory = null;
}
}
}