MapBindingResult


1   /*
2    * Copyright 2002-2006 the original author or authors.
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    *      http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  
17  package org.springframework.validation;
18  
19  import java.io.Serializable  ;
20  import java.util.Map  ;
21  
22  import org.springframework.util.Assert;
23  
24  /**
25   * Map-based implementation of the BindingResult interface,
26   * supporting registration and evaluation of binding errors on
27   * Map attributes.
28   *
29   * <p>Can be used as errors holder for custom binding onto a
30   * Map, for example when invoking a Validator for a Map object.
31   *
32   * @author Juergen Hoeller
33   * @since 2.0
34   * @see java.util.Map
35   */
36  public class MapBindingResult extends AbstractBindingResult implements Serializable   {
37  
38      private final Map   target;
39  
40  
41      /**
42       * Create a new MapBindingResult instance.
43       * @param target the target Map to bind onto
44       * @param objectName the name of the target object
45       */
46      public MapBindingResult(Map   target, String   objectName) {
47          super(objectName);
48          Assert.notNull(target, "Target Map must not be null");
49          this.target = target;
50      }
51  
52  
53      public final Map   getTargetMap() {
54          return this.target;
55      }
56  
57      public final Object   getTarget() {
58          return this.target;
59      }
60  
61      protected Object   getActualFieldValue(String   field) {
62          return this.target.get(field);
63      }
64  
65  }
66
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