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.com; 020 021import java.util.Iterator; 022 023import lucee.runtime.exp.CasterException; 024import lucee.runtime.exp.PageRuntimeException; 025import lucee.runtime.op.Caster; 026import lucee.runtime.type.Collection; 027 028import com.jacob.com.EnumVariant; 029 030/** 031 * MUST this is a value iterator instead of a key iterator 032 * 033 */ 034public final class COMKeyWrapperIterator implements Iterator<Collection.Key> { 035 036 private EnumVariant enumVariant; 037 private COMObject wrapper; 038 039 /** 040 * @param wrapper 041 */ 042 public COMKeyWrapperIterator(COMObject wrapper) { 043 this.enumVariant=new EnumVariant(wrapper.getDispatch()); 044 this.wrapper=wrapper; 045 } 046 047 @Override 048 public void remove() { 049 enumVariant.safeRelease(); 050 } 051 052 @Override 053 public boolean hasNext() { 054 return enumVariant.hasMoreElements(); 055 } 056 057 @Override 058 public Collection.Key next() { 059 try { 060 return Caster.toKey(COMUtil.toObject(wrapper,enumVariant.Next(),"",null)); 061 } catch (CasterException e) { 062 throw new PageRuntimeException(e); 063 } 064 } 065}