01: /**
02: * Copyright (C) 2006 NetMind Consulting Bt.
03: *
04: * This library is free software; you can redistribute it and/or
05: * modify it under the terms of the GNU Lesser General Public
06: * License as published by the Free Software Foundation; either
07: * version 3 of the License, or (at your option) any later version.
08: *
09: * This library is distributed in the hope that it will be useful,
10: * but WITHOUT ANY WARRANTY; without even the implied warranty of
11: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12: * Lesser General Public License for more details.
13: *
14: * You should have received a copy of the GNU Lesser General Public
15: * License along with this library; if not, write to the Free Software
16: * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17: */package hu.netmind.persistence;
18:
19: import java.util.*;
20:
21: /**
22: * This tracker manages custom type handlers, such as Collection and
23: * Map handlers. It is possible to register other handlers.
24: * @author Brautigam Robert
25: * @version Revision: $Revision$
26: */
27: public class TypeHandlerTracker {
28: private HashMap handlers;
29:
30: public TypeHandlerTracker(StoreContext context) {
31: handlers = new HashMap();
32: // Default handlers
33: registerHandler(Collection.class, new CollectionHandler(
34: context, SetImpl.class));
35: registerHandler(List.class, new ListHandler(context,
36: ListImpl.class));
37: registerHandler(Set.class, new CollectionHandler(context,
38: SetImpl.class));
39: registerHandler(Map.class, new MapHandler(context));
40: }
41:
42: public void registerHandler(Class type, TypeHandler handler) {
43: handlers.put(type, handler);
44: }
45:
46: public TypeHandler getHandler(Class type) {
47: return (TypeHandler) handlers.get(type);
48: }
49:
50: public boolean isHandled(Class type) {
51: return getHandler(type) != null;
52: }
53:
54: }
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