1 /***
2 * Copyright (C) 2008 Jeremy Thomerson (jthomerson@users.sourceforge.net)
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 package net.sf.vcaperture.web.models;
18
19 import java.util.ArrayList;
20 import java.util.List;
21
22 import org.apache.wicket.model.IModel;
23
24 public class AppendingStringModel implements IModel {
25
26 private static final long serialVersionUID = 1L;
27
28 private final List<IModel> mModels = new ArrayList<IModel>();
29 private final String mSeparator;
30
31 public AppendingStringModel(IModel
32 this(separator);
33 mModels.add(model1);
34 mModels.add(model2);
35 }
36
37 private AppendingStringModel(List<IModel> models, String separator) {
38 this(separator);
39 for (IModel model : models) {
40 addModel(model);
41 }
42 }
43
44 public AppendingStringModel(String separator) {
45 mSeparator = separator;
46 }
47
48 public Object getObject() {
49 StringBuffer sb = new StringBuffer();
50 for (IModel
51 sb.append(model.getObject());
52 sb.append(mSeparator);
53 }
54 return sb.length() == 0 ? "" : sb.substring(0, sb.length() - mSeparator.length()).toString();
55 }
56
57 public void setObject(Object object) {
58 throw new UnsupportedOperationException("not supported");
59 }
60
61 public void addModel(IModel model) {
62 mModels.add(model);
63 }
64
65 public void detach() {
66 for (IModel
67 model.detach();
68 }
69 }
70
71 public AppendingStringModel copy() {
72 return new AppendingStringModel(mModels, mSeparator);
73 }
74
75 }