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}