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PrimeFaces is one of the most popular UI libraries in Java EE Ecosystem and widely used by software companies, world renowned brands, banks, financial institutions, insurance companies, universities and more.
/**
* Copyright 2009-2018 PrimeTek.
*
* 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.
*/
package org.primefaces.cache;
import net.sf.ehcache.Cache;
import net.sf.ehcache.CacheManager;
import net.sf.ehcache.Element;
public class EHCacheProvider implements CacheProvider {
private CacheManager cacheManager;
public EHCacheProvider() {
cacheManager = CacheManager.create();
}
public Object get(String region, String key) {
Cache cacheRegion = getRegion(region);
Element element = cacheRegion.get(key);
if (element != null) {
return element.getObjectValue();
}
else {
return null;
}
}
public void put(String region, String key, Object object) {
Cache cacheRegion = getRegion(region);
cacheRegion.put(new Element(key, object));
}
public void remove(String region, String key) {
Cache cacheRegion = getRegion(region);
cacheRegion.remove(key);
}
public void clear() {
String[] cacheNames = getCacheManager().getCacheNames();
if (cacheNames != null) {
for (int i = 0; i < cacheNames.length; i++) {
Cache cache = getRegion(cacheNames[i]);
cache.removeAll();
}
}
}
protected Cache getRegion(String regionName) {
Cache region = getCacheManager().getCache(regionName);
if (region == null) {
getCacheManager().addCache(regionName);
region = getCacheManager().getCache(regionName);
}
return region;
}
public CacheManager getCacheManager() {
return cacheManager;
}
public void setCacheManager(CacheManager cacheManager) {
this.cacheManager = cacheManager;
}
}