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 getmetadata
021 */
022package lucee.runtime.functions.other;
023
024import java.util.HashMap;
025
026import lucee.runtime.Component;
027import lucee.runtime.InterfaceImpl;
028import lucee.runtime.PageContext;
029import lucee.runtime.PageContextImpl;
030import lucee.runtime.component.ComponentLoader;
031import lucee.runtime.exp.ApplicationException;
032import lucee.runtime.exp.PageException;
033import lucee.runtime.ext.function.Function;
034import lucee.runtime.op.Caster;
035import lucee.runtime.type.Struct;
036
037public final class GetComponentMetaData implements Function {
038
039        public static Struct call(PageContext pc , Object obj) throws PageException {
040                if(obj instanceof Component){
041                        return ((Component)obj).getMetaData(pc);
042                }
043                // load existing meta without loading the cfc
044                /*try{
045                        Page page = ComponentLoader.loadPage(pc,((PageContextImpl)pc).getCurrentPageSource(null), Caster.toString(obj), null,null);
046                        if(page.metaData!=null && page.metaData.get()!=null) return page.metaData.get();
047                }catch(Throwable t){
048                        ExceptionUtil.rethrowIfNecessary(t);}*/
049
050                // load the cfc when metadata was not defined before
051                try{
052                        Component cfc = CreateObject.doComponent(pc, Caster.toString(obj));
053                        return cfc.getMetaData(pc); 
054                }
055                // TODO better solution
056                catch(ApplicationException ae){
057                        try{
058                                InterfaceImpl inter = ComponentLoader.loadInterface(pc,((PageContextImpl)pc).getCurrentPageSource(null), Caster.toString(obj), new HashMap());
059                                return inter.getMetaData(pc);
060                        }
061                        catch(PageException pe){
062                                throw ae;
063                        }
064                }
065        }
066}