View Javadoc

1   /* Copyright 2004, 2005 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.domain.validation;
17  
18  import org.springframework.util.Assert;
19  
20  import org.springframework.validation.BindException;
21  
22  
23  /***
24   * Convenience class that invokes the {@link BindBeforeValidation} interface if
25   * the passed domain object has requested it.
26   *
27   * @author Ben Alex
28   * @version $Id: BindBeforeValidationUtils.java,v 1.2 2005/11/17 00:55:50 benalex Exp $
29   */
30  public class BindBeforeValidationUtils {
31      //~ Methods ================================================================
32  
33      /***
34       * Call {@link BindBeforeValidation#bindSupport()} if the domain object
35       * requests it.
36       *
37       * @param domainObject to attempt to bind (never <code>null</code>)
38       *
39       * @throws BindException if the binding failed
40       */
41      public static void bindIfRequired(Object domainObject)
42          throws BindException {
43          Assert.notNull(domainObject);
44  
45          if (BindBeforeValidation.class.isAssignableFrom(domainObject.getClass())) {
46              BindBeforeValidation bbv = (BindBeforeValidation) domainObject;
47              bbv.bindSupport();
48          }
49      }
50  }