01: /*
02: * Copyright (c) 1998-2008 Caucho Technology -- all rights reserved
03: *
04: * This file is part of Resin(R) Open Source
05: *
06: * Each copy or derived work must preserve the copyright notice and this
07: * notice unmodified.
08: *
09: * Resin Open Source is free software; you can redistribute it and/or modify
10: * it under the terms of the GNU General Public License as published by
11: * the Free Software Foundation; either version 2 of the License, or
12: * (at your option) any later version.
13: *
14: * Resin Open Source is distributed in the hope that it will be useful,
15: * but WITHOUT ANY WARRANTY; without even the implied warranty of
16: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
17: * of NON-INFRINGEMENT. See the GNU General Public License for more
18: * details.
19: *
20: * You should have received a copy of the GNU General Public License
21: * along with Resin Open Source; if not, write to the
22: * Free SoftwareFoundation, Inc.
23: * 59 Temple Place, Suite 330
24: * Boston, MA 02111-1307 USA
25: *
26: * @author Scott Ferguson
27: */
28:
29: package com.caucho.config.core;
30:
31: import com.caucho.util.L10N;
32:
33: import javax.annotation.PostConstruct;
34: import java.util.ArrayList;
35:
36: /**
37: * Executes code when an expression is valid.
38: */
39: public class ResinChoose extends ResinControl {
40: private static final L10N L = new L10N(ResinWhen.class);
41:
42: private ArrayList<ResinWhen> _whenList = new ArrayList<ResinWhen>();
43: private ResinWhen _otherwise;
44:
45: /**
46: * Adds a new when clause.
47: */
48: public void addWhen(ResinWhen when) {
49: _whenList.add(when);
50: }
51:
52: /**
53: * Adds the otherwise clause.
54: */
55: public void setOtherwise(ResinWhen when) {
56: _otherwise = when;
57: _otherwise.setTest(true);
58: }
59:
60: @PostConstruct
61: public void init() throws Throwable {
62: Object object = getObject();
63:
64: if (object == null)
65: return;
66:
67: for (int i = 0; i < _whenList.size(); i++) {
68: ResinWhen when = _whenList.get(i);
69:
70: if (when.configure(object))
71: return;
72: }
73:
74: if (_otherwise != null)
75: _otherwise.configure(object);
76: }
77: }
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