01: /*
02: * Copyright 2002,2004 The Apache Software Foundation.
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: */
16: package org.apache.commons.jelly.impl;
17:
18: import org.apache.commons.jelly.expression.Expression;
19:
20: /**
21: * Represents the attribute definition used by dynamic tags, such as whether the attribute is required
22: * or any default values etc.
23: *
24: * @author <a href="mailto:jstrachan@apache.org">James Strachan</a>
25: * @version $Revision: 155420 $
26: */
27: public class Attribute {
28:
29: /** the name of the attribute */
30: private String name;
31:
32: /** the default value expression */
33: private Expression defaultValue;
34:
35: /** whether this attribute is required */
36: private boolean required;
37:
38: public Attribute() {
39: }
40:
41: // Properties
42: //-------------------------------------------------------------------------
43:
44: /**
45: * Returns whether this attribute is required.
46: * @return boolean
47: */
48: public boolean isRequired() {
49: return required;
50: }
51:
52: /**
53: * Sets whether this attribute is required.
54: * @param required is true if this attribute is a mandatory attribute
55: */
56: public void setRequired(boolean required) {
57: this .required = required;
58: }
59:
60: /**
61: * Returns the name.
62: * @return String
63: */
64: public String getName() {
65: return name;
66: }
67:
68: /**
69: * Sets the name.
70: * @param name The name to set
71: */
72: public void setName(String name) {
73: this .name = name;
74: }
75:
76: /**
77: * Returns the defaultValue.
78: * @return Expression
79: */
80: public Expression getDefaultValue() {
81: return defaultValue;
82: }
83:
84: /**
85: * Sets the defaultValue.
86: * @param defaultValue The defaultValue to set
87: */
88: public void setDefaultValue(Expression defaultValue) {
89: this.defaultValue = defaultValue;
90: }
91:
92: }
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