ClassEditor


1   /*
2     * JBoss, Home of Professional Open Source
3     * Copyright 2005, JBoss Inc., and individual contributors as indicated
4     * by the @authors tag. See the copyright.txt in the distribution for a
5     * full listing of individual contributors.
6     *
7     * This is free software; you can redistribute it and/or modify it
8     * under the terms of the GNU Lesser General Public License as
9     * published by the Free Software Foundation; either version 2.1 of
10    * the License, or (at your option) any later version.
11    *
12    * This software is distributed in the hope that it will be useful,
13    * but WITHOUT ANY WARRANTY; without even the implied warranty of
14    * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15    * Lesser General Public License for more details.
16    *
17    * You should have received a copy of the GNU Lesser General Public
18    * License along with this software; if not, write to the Free
19    * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20    * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
21    */
22  package org.jboss.util.propertyeditor;
23  
24  import org.jboss.util.NestedRuntimeException;
25  
26  /**
27   * A property editor for {@link java.lang.Class}.
28   *
29   * @version <tt>$Revision: 1958 $</tt>
30   * @author  <a HREF="mailto:jason@planet57.com">Jason Dillon</a>
31   */
32  public class ClassEditor extends TextPropertyEditorSupport
33  {
34     /**
35      * Returns a Class for the input object converted to a string.
36      *
37      * @return a Class object
38      *
39      * @throws NestedRuntimeException   Failed to create Class instance.
40      */
41     public Object   getValue()
42     {
43        try
44        {
45           ClassLoader   loader = Thread.currentThread().getContextClassLoader();
46           String   classname = getAsText();
47           Class   type = loader.loadClass(classname);
48  
49           return type;
50        }
51        catch (Exception   e)
52        {
53           throw new NestedRuntimeException(e);
54        }
55     }
56  }
57
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