001 /* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017 package org.apache.commons.betwixt.expression; 018 019 /** <p><code>Updater</code> acts like an lvalue which updates the current 020 * context bean from some text from an XML attribute or element.</p> 021 * 022 * @author <a href="mailto:jstrachan@apache.org">James Strachan</a> 023 * @version $Revision: 438373 $ 024 */ 025 public interface Updater { 026 027 /** Updates the current bean context with a new String value. 028 * This is typically used when parsing XML and updating a bean value 029 * from XML 030 * 031 * @param context update the bean in this <code>Context</code> 032 * @param newValue set value to this <code>Object</code> 033 */ 034 public void update(Context context, Object newValue); 035 }