com.adobe.acs.commons.httpcache.store.jcr.impl.visitor.EntryNodeByStringKeyVisitor Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of acs-aem-commons-bundle Show documentation
Show all versions of acs-aem-commons-bundle Show documentation
Core ACS AEM Commons OSGi Bundle. Includes commons utilities.
/*
* #%L
* ACS AEM Commons Bundle
* %%
* Copyright (C) 2018 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.httpcache.store.jcr.impl.visitor;
import javax.jcr.Node;
import javax.jcr.RepositoryException;
import org.apache.commons.lang.StringUtils;
import org.apache.sling.commons.classloader.DynamicClassLoaderManager;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.adobe.acs.commons.httpcache.engine.CacheContent;
import com.adobe.acs.commons.httpcache.keys.CacheKey;
import com.adobe.acs.commons.httpcache.store.jcr.impl.handler.EntryNodeToCacheContentHandler;
import com.adobe.acs.commons.httpcache.store.jcr.impl.handler.EntryNodeToCacheKeyHandler;
import java.io.IOException;
public class EntryNodeByStringKeyVisitor extends AbstractNodeVisitor
{
private static final Logger log = LoggerFactory.getLogger(EntryNodeByStringKeyVisitor.class);
private final DynamicClassLoaderManager dclm;
private final String cacheKeyStr;
private CacheContent cacheContent;
public EntryNodeByStringKeyVisitor(int maxLevel, DynamicClassLoaderManager dclm, String cacheKeyStr) {
super( maxLevel, -1);
this.dclm = dclm;
this.cacheKeyStr = cacheKeyStr;
}
public CacheContent getCacheContentIfPresent()
{
return cacheContent;
}
protected void entering(final Node node, int level) throws RepositoryException
{
super.entering(node, level);
if(isCacheEntryNode(node)){
try {
final CacheKey cacheKey = getCacheKey(node);
if(StringUtils.equals(cacheKey.toString(), cacheKeyStr)) {
cacheContent = new EntryNodeToCacheContentHandler(node).get();
}
} catch (Exception e) {
log.error("Exception occured in retrieving the cacheKey from the entryNode", e);
throw new RepositoryException(e);
}
}
}
protected CacheKey getCacheKey(final Node node) throws RepositoryException, IOException, ClassNotFoundException {
return new EntryNodeToCacheKeyHandler(node, dclm).get();
}
public void visit(Node node) throws RepositoryException {
if(cacheContent == null){
//only continue visiting
super.visit(node);
}
}
}