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    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
    17  package org.apache.commons.jexl.parser;
    18
    19  import org.apache.commons.jexl.JexlContext;
    20
    21  /***
    22   *  Fill in the blanks for how this is to work
    23   *
    24   *  @author <a href="mailto:geirm@apache.org">Geir Magnusson Jr.</a>
    25   */
    26  public class ASTNullLiteral extends SimpleNode
    27  {
    28      public ASTNullLiteral(int id)
    29      {
    30          super(id);
    31      }
    32
    33      public ASTNullLiteral(Parser p, int id)
    34      {
    35          super(p, id);
    36      }
    37
    38
    39      /*** Accept the visitor. **/
    40      public Object jjtAccept(ParserVisitor visitor, Object data)
    41      {
    42          return visitor.visit(this, data);
    43      }
    44
    45      public Object value(JexlContext context)
    46      {
    47        return null;
    48      }
    49  }