01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * http://www.apache.org/licenses/LICENSE-2.0
10: *
11: * Unless required by applicable law or agreed to in writing, software
12: * distributed under the License is distributed on an "AS IS" BASIS,
13: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14: * See the License for the specific language governing permissions and
15: * limitations under the License.
16: */
17: package org.apache.cocoon.forms.formmodel;
18:
19: import org.apache.avalon.framework.context.Context;
20:
21: import org.apache.cocoon.forms.FormsException;
22:
23: /**
24: * A {@link FieldDefinition} for {@link CaptchaField}s.
25: *
26: * @see <a href="http://www.captcha.net">www.captcha.net</a>
27: * @version $Id: CaptchaFieldDefinition.java 449149 2006-09-23 03:58:05Z crossley $
28: */
29: public class CaptchaFieldDefinition extends FieldDefinition {
30:
31: private Context avalonContext;
32: private int length;
33:
34: public CaptchaFieldDefinition(Context avalonContext) {
35: this .avalonContext = avalonContext;
36: }
37:
38: /**
39: * initialize this definition with the other, sort of like a copy constructor
40: */
41: public void initializeFrom(WidgetDefinition definition)
42: throws Exception {
43: super .initializeFrom(definition);
44:
45: if (!(definition instanceof CaptchaFieldDefinition)) {
46: throw new FormsException("Ancestor definition "
47: + definition.getClass().getName()
48: + " is not a CaptchaFieldDefinition.",
49: getLocation());
50: }
51:
52: CaptchaFieldDefinition other = (CaptchaFieldDefinition) definition;
53:
54: this .length = other.length;
55: }
56:
57: public Widget createInstance() {
58: return new CaptchaField(this , avalonContext);
59: }
60:
61: public int getLength() {
62: return length;
63: }
64:
65: public void setLength(int length) {
66: checkMutable();
67: this.length = length;
68: }
69: }
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