01: /*
02: * hgcommons 7
03: * Hammurapi Group Common Library
04: * Copyright (C) 2003 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.hammurapi.biz/hammurapi-biz/ef/xmenu/hammurapi-group/products/products/hgcommons/index.html
21: * e-Mail: support@hammurapi.biz
22: */
23: package biz.hammurapi.util;
24:
25: import java.util.Arrays;
26: import java.util.Collection;
27: import java.util.Iterator;
28: import java.util.LinkedList;
29:
30: /**
31: * Accepts element if all included acceptors accept.
32: * @author Pavel Vlasov
33: * @version $Revision: 1.1 $
34: */
35: public class CompositeAcceptor implements Acceptor {
36: private Collection acceptors = new LinkedList();
37:
38: /**
39: * Default constructor.
40: */
41: public CompositeAcceptor() {
42: }
43:
44: /**
45: *
46: */
47: public CompositeAcceptor(Collection acceptors) {
48: if (acceptors != null) {
49: this .acceptors.addAll(acceptors);
50: }
51: }
52:
53: /**
54: *
55: */
56: public CompositeAcceptor(Acceptor[] acceptors) {
57: if (acceptors != null) {
58: this .acceptors.addAll(Arrays.asList(acceptors));
59: }
60: }
61:
62: public void addAcceptor(Acceptor acceptor) {
63: if (acceptor != null) {
64: acceptors.add(acceptor);
65: }
66: }
67:
68: public void removeAcceptor(Acceptor acceptor) {
69: acceptors.remove(acceptor);
70: }
71:
72: /* (non-Javadoc)
73: * @see biz.hammurapi.uml.Acceptor#accept(biz.hammurapi.uml.ModelElement)
74: */
75: public boolean accept(Object element) {
76: Iterator it = acceptors.iterator();
77: while (it.hasNext()) {
78: Acceptor acceptor = (Acceptor) it.next();
79: if (!acceptor.accept(element)) {
80: return false;
81: }
82: }
83: return true;
84: }
85: }
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