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


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.JellyException;
19 import org.apache.commons.jelly.Tag;
20
21 import org.xml.sax.Attributes JavaDoc;
22
23 /**
24  * <p><code>DefaultTagFactory</code> a default implementation of TagFactory
25  * which creates new instances of a given class.
26  *
27  * @author <a HREF="mailto:jstrachan@apache.org">James Strachan</a>
28  * @version $Revision: 155420 $
29  */
30 public class DefaultTagFactory implements TagFactory {
31
32     private Class JavaDoc tagClass;
33
34     public DefaultTagFactory() {
35     }
36
37     public DefaultTagFactory(Class JavaDoc tagClass) {
38         this.tagClass = tagClass;
39     }
40
41     // TagFactory interface
42 //-------------------------------------------------------------------------
43 public Tag createTag(String JavaDoc name, Attributes JavaDoc attributes) throws JellyException {
44         try {
45           return (Tag) tagClass.newInstance();
46         } catch (InstantiationException JavaDoc e) {
47             throw new JellyException(e.toString());
48         } catch (IllegalAccessException JavaDoc e) {
49             throw new JellyException(e.toString());
50         }
51     }
52
53
54     // Properties
55 //-------------------------------------------------------------------------
56
57     /**
58      * Returns the tagClass.
59      * @return Class
60      */
61     public Class JavaDoc getTagClass() {
62         return tagClass;
63     }
64
65     /**
66      * Sets the tagClass.
67      * @param tagClass The tagClass to set
68      */
69     public void setTagClass(Class JavaDoc tagClass) {
70         this.tagClass = tagClass;
71     }
72
73 }
74
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