/*
* #%L
* ACS AEM Commons Bundle
* %%
* Copyright (C) 2015 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.version.impl;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import javax.jcr.Session;
import javax.jcr.UnsupportedRepositoryOperationException;
import javax.jcr.version.Version;
import javax.jcr.version.VersionHistory;
import javax.jcr.version.VersionManager;
import org.apache.sling.api.resource.Resource;
import org.apache.sling.api.resource.ResourceResolver;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.adobe.acs.commons.version.Evolution;
import com.adobe.acs.commons.version.EvolutionContext;
public class EvolutionContextImpl implements EvolutionContext {
private static final Logger log = LoggerFactory.getLogger(EvolutionContext.class);
private Resource resource = null;
private VersionHistory history = null;
private ResourceResolver resolver = null;
private VersionManager versionManager = null;
private List<Evolution> versions = new ArrayList<Evolution>();
private EvolutionConfig config;
public EvolutionContextImpl(Resource resource, EvolutionConfig config) {
this.resource = resource.isResourceType("cq:Page") ? resource.getChild("jcr:content") : resource;
this.config = config;
populateEvolutions();
}
@Override
public List<Evolution> getEvolutionItems() {
return versions;
}
private void populateEvolutions() {
try {
this.resolver = resource.getResourceResolver();
this.versionManager = resolver.adaptTo(Session.class).getWorkspace().getVersionManager();
this.history = versionManager.getVersionHistory(resource.getPath());
Iterator<Version> iter = history.getAllVersions();
while (iter.hasNext()) {
Version next = iter.next();
String versionPath = next.getFrozenNode().getPath();
Resource versionResource = resolver.resolve(versionPath);
versions.add(new EvolutionImpl(next, versionResource, config));
log.debug("Version={} added to EvolutionItem", next.getName());
}
} catch (UnsupportedRepositoryOperationException e1) {
log.warn("Could not find version for resource={}", resource.getPath());
} catch (Exception e) {
log.error("Could not find versions", e);
}
versions.add(new CurrentEvolutionImpl(this.resource, this.config));
}
}