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 java.io.IOException; 022 023import lucee.runtime.PageContext; 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 CacheKeyExists implements Function { 033 034 private static final long serialVersionUID = -5656876871645994195L; 035 036 public static boolean call(PageContext pc, String key) throws PageException { 037 return call(pc, key, null); 038 } 039 040 public static boolean call(PageContext pc, String key,String cacheName) throws PageException { 041 try { 042 return Util.getCache(pc,cacheName,ConfigImpl.CACHE_DEFAULT_OBJECT).contains(Util.key(key)); 043 } catch (IOException e) { 044 throw Caster.toPageException(e); 045 } 046 } 047 048}