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.query; 020 021import lucee.runtime.PageContext; 022import lucee.runtime.exp.PageException; 023import lucee.runtime.functions.BIF; 024import lucee.runtime.op.Caster; 025import lucee.runtime.type.Collection; 026import lucee.runtime.type.KeyImpl; 027import lucee.runtime.type.Query; 028 029public class QueryColumnExists extends BIF { 030 031 private static final long serialVersionUID = -661796711105724696L; 032 033 public static boolean call(PageContext pc , Query qry, String key) { 034 return call(pc,qry,KeyImpl.getInstance(key)); 035 } 036 public static boolean call(PageContext pc , Query qry, Collection.Key key) { 037 return qry.getColumn(key,null)!=null; 038 } 039 040 @Override 041 public Object invoke(PageContext pc, Object[] args) throws PageException { 042 return call(pc,Caster.toQuery(args[0]),Caster.toKey(args[1])); 043 } 044}