01: /**
02: * Copyright 2006 Webmedia Group Ltd.
03: *
04: * Licensed under the Apache License, Version 2.0 (the "License");
05: * you may not use this file except in compliance with the License.
06: * You may obtain a copy of the License at
07: *
08: * http://www.apache.org/licenses/LICENSE-2.0
09: *
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: **/package org.araneaframework.uilib.form.converter;
16:
17: import org.araneaframework.uilib.form.Converter;
18: import org.araneaframework.uilib.support.UiLibMessages;
19: import org.araneaframework.uilib.util.MessageUtil;
20:
21: /**
22: * Converts <code>String</code> to <code>Integer</code> and back.
23: *
24: * @author Jevgeni Kabanov (ekabanov <i>at</i> araneaframework <i>dot</i> org)
25: *
26: */
27: public class StringToIntegerConverter extends BaseConverter {
28:
29: /**
30: * Converts <code>String</code> to <code>Integer</code>.
31: */
32: public Object convertNotNull(Object data) {
33: Object result = null;
34: try {
35: result = new Integer((String) data);
36: } catch (NumberFormatException e) {
37: addError(MessageUtil.localizeAndFormat(
38: UiLibMessages.NOT_A_NUMBER, MessageUtil.localize(
39: getLabel(), getEnvironment()),
40: getEnvironment()));
41: }
42: return result;
43: }
44:
45: /**
46: * Converts <code>Integer</code> to <code>String</code>.
47: */
48: public Object reverseConvertNotNull(Object data) {
49: return data.toString();
50: }
51:
52: /**
53: * Returns <code>new StringToIntegerConverter()</code>
54: */
55: public Converter newConverter() {
56: return new StringToIntegerConverter();
57: }
58: }
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