/* Copyright 2004, 2005, 2006 Acegi Technology Pty Limited

  *

  * Licensed under the Apache License, Version 2.0 (the "License");

  * you may not use this file except in compliance with the License.

  * You may obtain a copy of the License at

  *

  *     http://www.apache.org/licenses/LICENSE-2.0

  *

  * Unless required by applicable law or agreed to in writing, software

  * distributed under the License is distributed on an "AS IS" BASIS,

  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

  * See the License for the specific language governing permissions and

  * limitations under the License.

  */

 package org.acegisecurity.ui;

 import org.springframework.util.Assert;

 import org.springframework.util.ReflectionUtils;

 import java.lang.reflect.Constructor;

 import java.lang.reflect.InvocationTargetException;

 import javax.servlet.http.HttpServletRequest;

 /**

  * Base implementation of {@link AuthenticationDetailsSource}.<P>By default will create an instance of

  * <code>WebAuthenticationDetails</code>. Any object that accepts a <code>HttpServletRequest</code> as its sole

  * constructor can be used instead of this default.</p>

  *

  * @author Ben Alex

  * @version $Id: AuthenticationDetailsSourceImpl.java 1496 2006-05-23 13:38:33Z benalex $

  */

 public class AuthenticationDetailsSourceImpl implements AuthenticationDetailsSource {

     //~ Instance fields ================================================================================================

     private Class clazz = WebAuthenticationDetails.class;

     //~ Methods ========================================================================================================

     public Object buildDetails(HttpServletRequest request) {

         try {

             Constructor constructor = clazz.getConstructor(new Class[] {HttpServletRequest.class});

             return constructor.newInstance(new Object[] {request});

         } catch (NoSuchMethodException ex) {

             ReflectionUtils.handleReflectionException(ex);

         } catch (InvocationTargetException ex) {

             ReflectionUtils.handleReflectionException(ex);

         } catch (InstantiationException ex) {

             ReflectionUtils.handleReflectionException(ex);

         } catch (IllegalAccessException ex) {

             ReflectionUtils.handleReflectionException(ex);

         }

         return null;

     }

     public void setClazz(Class clazz) {

         Assert.notNull(clazz, "Class required");

         this.clazz = clazz;

     }

 }