1/*
2 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.  Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26package com.sun.tools.internal.ws.wsdl.framework;
27
28import com.sun.tools.internal.ws.api.wsdl.TWSDLExtension;
29
30import java.util.ArrayList;
31import java.util.Iterator;
32import java.util.List;
33
34/**
35 * A helper class for extensible entities.
36 *
37 * @author WS Development Team
38 */
39public class ExtensibilityHelper {
40
41    public ExtensibilityHelper() {
42    }
43
44    public void addExtension(TWSDLExtension e) {
45        if (_extensions == null) {
46            _extensions = new ArrayList();
47        }
48        _extensions.add(e);
49    }
50
51    public Iterable<TWSDLExtension> extensions() {
52        if (_extensions == null) {
53            return new ArrayList<TWSDLExtension>();
54        } else {
55            return _extensions;
56        }
57    }
58
59    public void withAllSubEntitiesDo(EntityAction action) {
60        if (_extensions != null) {
61            for (Iterator iter = _extensions.iterator(); iter.hasNext();) {
62                action.perform((Entity) iter.next());
63            }
64        }
65    }
66
67    public void accept(ExtensionVisitor visitor) throws Exception {
68        if (_extensions != null) {
69            for (Iterator iter = _extensions.iterator(); iter.hasNext();) {
70                ((ExtensionImpl) iter.next()).accept(visitor);
71            }
72        }
73    }
74
75    private List<TWSDLExtension> _extensions;
76}
77