| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. The ASF licenses this file to You |
| * 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. For additional information regarding |
| * copyright in this work, please see the NOTICE file in the top level |
| * directory of this distribution. |
| */ |
| |
| package org.apache.roller.weblogger.util.cache; |
| |
| import java.util.Map; |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| |
| |
| /** |
| * Roller LRU Cache factory. |
| */ |
| public class LRUCacheFactoryImpl implements CacheFactory { |
| |
| private static Log log = LogFactory.getLog(LRUCacheFactoryImpl.class); |
| |
| |
| // protected so that only the CacheManager can instantiate us |
| protected LRUCacheFactoryImpl() {} |
| |
| |
| /** |
| * Construct a new instance of a Roller LRUCache. |
| */ |
| public Cache constructCache(Map properties) { |
| int size = 100; |
| String id = "unknown"; |
| |
| try { |
| size = Integer.parseInt((String) properties.get("size")); |
| } catch(Exception e) { |
| // ignored |
| } |
| |
| String cacheId = (String) properties.get("id"); |
| if (cacheId != null) { |
| id = cacheId; |
| } |
| |
| Cache cache = new LRUCacheImpl(id, size); |
| |
| log.debug("new cache constructed. size="+size); |
| |
| return cache; |
| } |
| |
| } |