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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    * 
9    *      http://www.apache.org/licenses/LICENSE-2.0
10   * 
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */ 
17  package org.apache.commons.betwixt.expression;
18  
19  /*** <p><code>Updater</code> acts like an lvalue which updates the current 
20    * context bean from some text from an XML attribute or element.</p>
21    *
22    * @author <a href="mailto:jstrachan@apache.org">James Strachan</a>
23    * @version $Revision: 438373 $
24    */
25  public interface Updater {
26  
27      /*** Updates the current bean context with a new String value.
28       * This is typically used when parsing XML and updating a bean value
29       * from XML 
30       *
31       * @param context update the bean in this <code>Context</code>
32       * @param newValue set value to this <code>Object</code>
33       */
34      public void update(Context context, Object newValue);
35  }