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.constraint;
16:
17: import org.araneaframework.uilib.form.FormElement;
18: import org.araneaframework.uilib.support.UiLibMessages;
19: import org.araneaframework.uilib.util.MessageUtil;
20:
21: /**
22: * This constraint checks that the <code>String</code> is not empty.
23: *
24: * @author Jevgeni Kabanov (ekabanov <i>at</i> araneaframework <i>dot</i> org)
25: *
26: */
27: public class NotEmptyConstraint extends BaseFieldConstraint {
28: public NotEmptyConstraint() {
29: }
30:
31: public NotEmptyConstraint(FormElement field) {
32: super (field);
33: }
34:
35: /**
36: * Checks that the <code>String</code> is not empty.
37: */
38: public void validateConstraint() {
39: // XXX: something instead isRead() is greatly desired here
40: if (!isRead()) {
41: addError(MessageUtil.localizeAndFormat(
42: UiLibMessages.ELEMENT_EMPTY, t(getLabel()),
43: getEnvironment()));
44: }
45: }
46: }
|