001/**
002 *
003 * Copyright (c) 2014, the Railo Company Ltd. All rights reserved.
004 *
005 * This library is free software; you can redistribute it and/or
006 * modify it under the terms of the GNU Lesser General Public
007 * License as published by the Free Software Foundation; either 
008 * version 2.1 of the License, or (at your option) any later version.
009 * 
010 * This library is distributed in the hope that it will be useful,
011 * but WITHOUT ANY WARRANTY; without even the implied warranty of
012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
013 * Lesser General Public License for more details.
014 * 
015 * You should have received a copy of the GNU Lesser General Public 
016 * License along with this library.  If not, see <http://www.gnu.org/licenses/>.
017 * 
018 **/
019package lucee.runtime.functions.cache;
020
021import lucee.commons.io.cache.CacheKeyFilter;
022import lucee.runtime.PageContext;
023import lucee.runtime.cache.util.WildCardFilter;
024import lucee.runtime.config.ConfigImpl;
025import lucee.runtime.exp.PageException;
026import lucee.runtime.ext.function.Function;
027import lucee.runtime.op.Caster;
028
029/**
030 * 
031 */
032public final class CacheClear implements Function,CacheKeyFilter {
033        
034        private static CacheKeyFilter filter=new CacheClear();
035
036        public static double call(PageContext pc) throws PageException {
037                return call(pc,null,null);
038                
039        }
040        public static double call(PageContext pc,String strFilter) throws PageException {
041                return call(pc,strFilter,null);
042                
043        }
044        public static double call(PageContext pc,String strFilter, String cacheName) throws PageException {
045                try {
046                        CacheKeyFilter f=filter;
047                        if(CacheGetAllIds.isFilter(strFilter))
048                                f=new WildCardFilter(strFilter,true);
049                        return Util.getCache(pc,cacheName,ConfigImpl.CACHE_DEFAULT_OBJECT).remove(f);
050                } catch (Exception e) {
051                        throw Caster.toPageException(e);
052                }
053        }
054
055        public boolean accept(String key) {
056                return true;
057        }
058
059        public String toPattern() {
060                return "*";
061        }
062        
063}