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. /** <p><code>Updater</code> acts like an lvalue which updates the current
  18. * context bean from some text from an XML attribute or element.</p>
  19. *
  20. * @author <a href="mailto:jstrachan@apache.org">James Strachan</a>
  21. * @version $Revision: 1.6 $
  22. */
  23. public interface Updater {
  24. /** Updates the current bean context with a new String value.
  25. * This is typically used when parsing XML and updating a bean value
  26. * from XML
  27. *
  28. * @param context update the bean in this <code>Context</code>
  29. * @param newValue set value to this <code>Object</code>
  30. */
  31. public void update(Context context, Object newValue);
  32. }