01: /*
02: * transformica 2
03: * Code generator
04: * Copyright (C) 2004 Hammurapi Group
05: *
06: * This program is free software; you can redistribute it and/or
07: * modify it under the terms of the GNU Lesser General Public
08: * License as published by the Free Software Foundation; either
09: * version 2 of the License, or (at your option) any later version.
10: *
11: * This program is distributed in the hope that it will be useful,
12: * but WITHOUT ANY WARRANTY; without even the implied warranty of
13: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14: * Lesser General Public License for more details.
15: *
16: * You should have received a copy of the GNU Lesser General Public
17: * License along with this library; if not, write to the Free Software
18: * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19: *
20: * URL: http://www.pavelvlasov.com/pv/content/menu.show@id=products.transformica.html
21: * e-Mail: support@hammurapi.biz
22: */
23: package biz.hammurapi.transformica;
24:
25: import java.util.Stack;
26:
27: /**
28: * @author Pavel Vlasov
29: * @version $Revision: 1.1 $
30: */
31: public class BaseContextObject implements ContextObject {
32: protected TransformSession session;
33: private Stack contextStack = new Stack();
34:
35: public void init(TransformSession session)
36: throws TransformicaException {
37: this .session = session;
38: }
39:
40: public void unSetContext() throws TransformicaException {
41: if (!contextStack.isEmpty()) {
42: contextStack.pop();
43: }
44: }
45:
46: public void destroy() throws TransformicaException {
47: session = null;
48: }
49:
50: public void setContext(Context context) {
51: contextStack.push(context);
52: }
53:
54: protected Context getContext() {
55: if (contextStack.isEmpty()) {
56: return null;
57: } else {
58: return (Context) contextStack.peek();
59: }
60: }
61: }
|