1 /* Copyright 2004, 2005, 2006 Acegi Technology Pty Limited
2 *
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 package org.acegisecurity.ui;
17
18 import org.springframework.util.Assert;
19 import org.springframework.util.ReflectionUtils;
20
21 import java.lang.reflect.Constructor;
22 import java.lang.reflect.InvocationTargetException;
23
24 import javax.servlet.http.HttpServletRequest;
25
26
27 /**
28 * Base implementation of {@link AuthenticationDetailsSource}.<P>By default will create an instance of
29 * <code>WebAuthenticationDetails</code>. Any object that accepts a <code>HttpServletRequest</code> as its sole
30 * constructor can be used instead of this default.</p>
31 *
32 * @author Ben Alex
33 * @version $Id: AuthenticationDetailsSourceImpl.java 1496 2006-05-23 13:38:33Z benalex $
34 */
35 public class AuthenticationDetailsSourceImpl implements AuthenticationDetailsSource {
36 //~ Instance fields ================================================================================================
37
38 private Class clazz = WebAuthenticationDetails.class;
39
40 //~ Methods ========================================================================================================
41
42 public Object buildDetails(HttpServletRequest request) {
43 try {
44 Constructor constructor = clazz.getConstructor(new Class[] {HttpServletRequest.class});
45
46 return constructor.newInstance(new Object[] {request});
47 } catch (NoSuchMethodException ex) {
48 ReflectionUtils.handleReflectionException(ex);
49 } catch (InvocationTargetException ex) {
50 ReflectionUtils.handleReflectionException(ex);
51 } catch (InstantiationException ex) {
52 ReflectionUtils.handleReflectionException(ex);
53 } catch (IllegalAccessException ex) {
54 ReflectionUtils.handleReflectionException(ex);
55 }
56
57 return null;
58 }
59
60 public void setClazz(Class clazz) {
61 Assert.notNull(clazz, "Class required");
62 this.clazz = clazz;
63 }
64 }