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.io.File;
26:
27: /**
28: * Base class for touch detectors
29: * @author Pavel Vlasov
30: * @version $Revision: 1.1 $
31: */
32: public abstract class AbstractTouchDetector implements TouchDetector {
33: /**
34: * Overwrite touched file, but make a backup copy.
35: */
36: public static final int ACTION_OVERWRITE = 0;
37:
38: /**
39: * Do not overwrite touched file.
40: */
41: public static final int ACTION_SKIP = 1;
42:
43: /**
44: * Do not overwrite touched file, generate with different name;
45: */
46: public static final int ACTION_GENERATE_WITH_DIFFERENT_NAME = 2;
47:
48: /**
49: * Overwrite touched file, make a backup copy and merge the following elements:
50: * - Imports.
51: * - Types which don't have @pamda-generated tag
52: * - Static and instance initializers.
53: * - Method bodies for methods in the model with empty behaviour.
54: * - Methods which don't have @pamda-generated tag
55: */
56: public static final int ACTION_MERGE = 3;
57:
58: protected abstract FileInfo lookupFileInfo(String fileName)
59: throws TransformicaException;
60:
61: /* (non-Javadoc)
62: * @see biz.hammurapi.mda.TimeStampRepo#isToBeGenerated(java.io.File)
63: */
64: public boolean isToBeGenerated(File file)
65: throws TransformicaException {
66: if (file.exists()) {
67: FileInfo fileInfo = new FileInfo(genRoot, file);
68: FileInfo storedFileInfo = lookupFileInfo(fileInfo.getName());
69: if (storedFileInfo == null) {
70: return true;
71: } else {
72: return !fileInfo.isModified(storedFileInfo,
73: ignoreTimeStamp);
74: }
75: } else {
76: return true;
77: }
78: }
79:
80: protected File genRoot;
81: protected boolean ignoreTimeStamp = false;
82: }
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