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Java > Open Source Codes > org > apache > commons > jelly > impl > Attribute


1 /*
2  * Copyright 2002,2004 The Apache Software Foundation.
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 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 JavaDoc 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 JavaDoc getName() {
65         return name;
66     }
67
68     /**
69      * Sets the name.
70      * @param name The name to set
71      */
72     public void setName(String JavaDoc 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 }
93
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