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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;
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 tagClass;
33  
34      public DefaultTagFactory() {
35      }
36  
37      public DefaultTagFactory(Class tagClass) {
38          this.tagClass = tagClass;
39      }
40  
41      // TagFactory interface
42      //-------------------------------------------------------------------------
43      public Tag createTag(String name, Attributes attributes) throws JellyException {
44          try {
45            return (Tag) tagClass.newInstance();
46          } catch (InstantiationException e) {
47              throw new JellyException(e.toString());
48          } catch (IllegalAccessException 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 getTagClass() {
62          return tagClass;
63      }
64  
65      /***
66       * Sets the tagClass.
67       * @param tagClass The tagClass to set
68       */
69      public void setTagClass(Class tagClass) {
70          this.tagClass = tagClass;
71      }
72  
73  }