/*
* #%L
* ACS AEM Commons Bundle
* %%
* Copyright (C) 2013 - 2014 Adobe
* %%
* Licensed 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.
* #L%
*/
package com.adobe.acs.commons.wcm.impl;
import java.util.Calendar;
import java.util.Collections;
import java.util.List;
import org.apache.felix.scr.annotations.Component;
import org.apache.felix.scr.annotations.ConfigurationPolicy;
import org.apache.felix.scr.annotations.Service;
import org.apache.sling.api.resource.Resource;
import org.apache.sling.api.resource.ResourceResolver;
import com.day.cq.wcm.api.Page;
import com.day.cq.wcm.api.PageManager;
import com.day.cq.wcm.api.designer.Design;
import com.day.cq.wcm.api.designer.Designer;
import com.day.cq.wcm.api.reference.Reference;
import com.day.cq.wcm.api.reference.ReferenceProvider;
/**
*
* ACS AEM commons Design Reference Provider.
* Reference provider that searches for design pages for any given page resource.
*/
@Component(
label = "ACS AEM Commons - Design Reference Provider",
description = "Reference provider that searches for design pages for any given page resource",
policy = ConfigurationPolicy.REQUIRE)
@Service
public final class DesignReferenceProvider implements ReferenceProvider {
private static final String TYPE_DESIGN_PAGE = "designpage";
@Override
public List<Reference> findReferences(Resource resource) {
ResourceResolver resourceResolver = resource.getResourceResolver();
PageManager pageManager = resourceResolver.adaptTo(PageManager.class);
Designer designer = resourceResolver.adaptTo(Designer.class);
Page page = pageManager.getContainingPage(resource);
if (page == null) {
return Collections.emptyList();
}
Design design = designer.getDesign(page);
if (design == null) {
return Collections.emptyList();
}
return Collections.singletonList(new Reference(TYPE_DESIGN_PAGE,
String.format("%s (Design)", design.getId()),
design.getContentResource(),
getLastModified(design)));
}
private long getLastModified(Design design) {
final Calendar mod = design.getLastModified();
long lastModified = mod != null ? mod.getTimeInMillis() : -1;
return lastModified;
}
}