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1   /*
2    * Copyright 2001-2004 The Apache Software Foundation.
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  package org.apache.commons.betwixt.expression;
17  
18  /*** <p><code>Updater</code> acts like an lvalue which updates the current 
19    * context bean from some text from an XML attribute or element.</p>
20    *
21    * @author <a href="mailto:jstrachan@apache.org">James Strachan</a>
22    * @version $Revision: 155402 $
23    */
24  public interface Updater {
25  
26      /*** Updates the current bean context with a new String value.
27       * This is typically used when parsing XML and updating a bean value
28       * from XML 
29       *
30       * @param context update the bean in this <code>Context</code>
31       * @param newValue set value to this <code>Object</code>
32       */
33      public void update(Context context, Object newValue);
34  }