KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > org > jboss > util > propertyeditor > 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 JavaDoc getValue()
42    {
43       try
44       {
45          ClassLoader JavaDoc loader = Thread.currentThread().getContextClassLoader();
46          String JavaDoc classname = getAsText();
47          Class JavaDoc type = loader.loadClass(classname);
48
49          return type;
50       }
51       catch (Exception JavaDoc e)
52       {
53          throw new NestedRuntimeException(e);
54       }
55    }
56 }
57
Popular Tags