1. /*
  2. * Copyright 2002,2004 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.jexl.parser;
  17. import org.apache.commons.jexl.JexlContext;
  18. /**
  19. * Fill in the blanks for how this is to work
  20. *
  21. * @author <a href="mailto:geirm@apache.org">Geir Magnusson Jr.</a>
  22. */
  23. public class ASTNullLiteral extends SimpleNode
  24. {
  25. public ASTNullLiteral(int id)
  26. {
  27. super(id);
  28. }
  29. public ASTNullLiteral(Parser p, int id)
  30. {
  31. super(p, id);
  32. }
  33. /** Accept the visitor. **/
  34. public Object jjtAccept(ParserVisitor visitor, Object data)
  35. {
  36. return visitor.visit(this, data);
  37. }
  38. public Object value(JexlContext context)
  39. {
  40. return null;
  41. }
  42. }