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Java > Open Source Codes > soot > MethodToContexts


1 /* Soot - a J*va Optimization Framework
2  * Copyright (C) 2003 Ondrej Lhotak
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 package soot;
21 import soot.jimple.*;
22 import java.util.*;
23
24 /** Keeps track of the various contexts associated with each method.
25  * @author Ondrej Lhotak
26  */
27 public final class MethodToContexts
28 {
29     private Map map = new HashMap();
30     public void add( MethodOrMethodContext momc ) {
31         SootMethod m = momc.method();
32         List l = (List) map.get(m);
33         if( l == null ) map.put(m, l = new ArrayList() );
34         l.add(momc);
35     }
36     public MethodToContexts() {
37     }
38     public MethodToContexts( Iterator it ) {
39         add(it);
40     }
41     public void add( Iterator it ) {
42         while( it.hasNext() ) {
43             MethodOrMethodContext momc = (MethodOrMethodContext) it.next();
44             add(momc);
45         }
46     }
47     public List get( SootMethod m ) {
48         List ret = (List) map.get(m);
49         if( ret == null ) ret = new ArrayList();
50         return ret;
51     }
52 }
53
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