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 **/
019/**
020 * Implements the CFML Function structappend
021 */
022package lucee.runtime.functions.struct;
023
024import java.util.Iterator;
025
026import lucee.runtime.PageContext;
027import lucee.runtime.exp.PageException;
028import lucee.runtime.functions.BIF;
029import lucee.runtime.op.Caster;
030import lucee.runtime.type.Collection.Key;
031import lucee.runtime.type.KeyImpl;
032import lucee.runtime.type.Struct;
033
034public final class StructAppend extends BIF {
035
036        private static final long serialVersionUID = 6131382324325758447L;
037
038        public static boolean call(PageContext pc , Struct struct1, Struct struct2) throws PageException {
039                return call(pc , struct1, struct2, true);
040        }
041    public static boolean call(PageContext pc , Struct struct1, Struct struct2, boolean overwrite) throws PageException {
042        Iterator<Key> it = struct2.keyIterator();
043        Key key;
044        while(it.hasNext()) {
045            key=KeyImpl.toKey(it.next());
046            if(overwrite || struct1.get(key,null)==null)
047                struct1.setEL(key,struct2.get(key,null));
048        }
049        return true;
050    }
051        
052        @Override
053        public Object invoke(PageContext pc, Object[] args) throws PageException {
054                if(args.length==3) return call(pc,Caster.toStruct(args[0]),Caster.toStruct(args[1]),Caster.toBooleanValue(args[2]));
055                return call(pc,Caster.toStruct(args[0]),Caster.toStruct(args[1]));
056        }
057    
058}