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Java > Open Source Codes > soot > SceneTransformer


1 /* Soot - a J*va Optimization Framework
2  * Copyright (C) 1997-1999 Patrick Lam
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
9  * 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
16  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17  * Boston, MA 02111-1307, USA.
18  */
19
20 /*
21  * Modified by the Sable Research Group and others 1997-1999.
22  * See the 'credits' file distributed with Soot for the complete list of
23  * contributors. (Soot is distributed at http://www.sable.mcgill.ca/soot)
24  */
25
26 package soot;
27
28 import java.util.*;
29
30 /** An abstract class which acts on the whole Scene. */
31 public abstract class SceneTransformer extends Transformer
32 {
33     /** Performs the transformation on the Scene, under the given phaseName. */
34     public final void transform(String JavaDoc phaseName, Map options)
35     {
36         if (!PhaseOptions.getBoolean(options, "enabled"))
37             return;
38
39         internalTransform(phaseName, options);
40     }
41     public final void transform(String JavaDoc phaseName)
42     {
43         HashMap dummyOptions = new HashMap();
44         dummyOptions.put( "enabled", "true" );
45         transform(phaseName, dummyOptions);
46     }
47
48     public final void transform()
49     {
50         transform("");
51     }
52     
53     /** Performs the transformation on the Scene, under the given phaseName and with the given Options. */
54     protected abstract void internalTransform(String JavaDoc phaseName, Map options);
55
56 }
57
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