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    1   /*
    2    * Copyright 2002-2006 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   * Top of the syntax tree - parsed Jexl code.
    23   *
    24   * @since 1.1
    25   */
    26  public class ASTJexlScript extends SimpleNode {
    27      /***
    28       * Create the node given an id.
    29       *
    30       * @param id node id.
    31       */
    32      public ASTJexlScript(int id) {
    33          super(id);
    34      }
    35
    36      /***
    37       * Create a node with the given parser and id.
    38       *
    39       * @param p a parser.
    40       * @param id node id.
    41       */
    42      public ASTJexlScript(Parser p, int id) {
    43          super(p, id);
    44      }
    45
    46      /*** {@inheritDoc} */
    47      public Object jjtAccept(ParserVisitor visitor, Object data) {
    48          return visitor.visit(this, data);
    49      }
    50
    51      /*** {@inheritDoc} */
    52      public Object value(JexlContext jc) throws Exception {
    53          int numChildren = jjtGetNumChildren();
    54          Object result = null;
    55          for (int i = 0; i < numChildren; i++) {
    56              SimpleNode child = (SimpleNode) jjtGetChild(i);
    57              result = child.value(jc);
    58          }
    59          return result;
    60      }
    61  }