01: /**
02: * Speedo: an implementation of JDO compliant personality on top of JORM generic
03: * I/O sub-system.
04: * Copyright (C) 2001-2005 France Telecom R&D
05: *
06: * This library 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 library 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: *
21: *
22: * Contact: speedo@objectweb.org
23: *
24: * Authors: S.Chassande-Barrioz.
25: *
26: */package org.objectweb.speedo.generation.enhancer.common;
27:
28: import org.objectweb.asm.ClassVisitor;
29: import org.objectweb.speedo.lib.Personality;
30: import org.objectweb.util.monolog.api.BasicLevel;
31: import org.objectweb.util.monolog.api.Logger;
32:
33: import java.util.HashSet;
34: import java.util.Set;
35:
36: /**
37: * This visistor records the interfaces specified during visits. Each time
38: * a class is visited, all registered interfaces are given to the next visitor.
39: *
40: * @author S.Chassande-Barrioz
41: */
42: public class InterfaceAgregatorVisitor extends LoggedClassAdapter {
43:
44: /**
45: * The set of found interfaces
46: */
47: private final Set itfs;
48:
49: public InterfaceAgregatorVisitor(ClassVisitor classVisitor,
50: Logger logger, String className, Personality p) {
51: super (classVisitor, p, logger);
52: this .itfs = new HashSet();
53: }
54:
55: public void visit(final int version, final int access,
56: final String name, final String super Name,
57: final String[] interfaces, final String sourceFile) {
58: if (interfaces != null) {
59: //Register the found interfaces
60: for (int i = 0; i < interfaces.length; ++i) {
61: if (!itfs.contains(interfaces[i])) {
62: if (debug) {
63: logger.log(BasicLevel.DEBUG,
64: "Add the interface '" + interfaces[i]
65: + "'");
66: }
67: itfs.add(interfaces[i]);
68: }
69: }
70: }
71: //pass all found interfaces
72: cv.visit(version, access, name, super Name, (String[]) itfs
73: .toArray(new String[itfs.size()]), sourceFile);
74: }
75: }
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