Coverage report

  %line %branch
org.apache.commons.jexl.parser.ASTNotNode
60% 
88% 

 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  
 package org.apache.commons.jexl.parser;
 17  
 
 18  
 import org.apache.commons.jexl.JexlContext;
 19  
 import org.apache.commons.jexl.util.Coercion;
 20  
 
 21  
 /**
 22  
  * Not : 'not' or '!'.
 23  
  * 
 24  
  * @author <a href="mailto:geirm@apache.org">Geir Magnusson Jr.</a>
 25  
  * @version $Id: ASTNotNode.java 398270 2006-04-30 03:02:58Z dion $
 26  
  */
 27  
 
 28  
 public class ASTNotNode extends SimpleNode {
 29  
     /**
 30  
      * Create the node given an id.
 31  
      * 
 32  
      * @param id node id.
 33  
      */
 34  
     public ASTNotNode(int id) {
 35  0
         super(id);
 36  0
     }
 37  
 
 38  
     /**
 39  
      * Create a node with the given parser and id.
 40  
      * 
 41  
      * @param p a parser.
 42  
      * @param id node id.
 43  
      */
 44  
     public ASTNotNode(Parser p, int id) {
 45  13
         super(p, id);
 46  13
     }
 47  
 
 48  
     /** {@inheritDoc} */
 49  
     public Object jjtAccept(ParserVisitor visitor, Object data) {
 50  0
         return visitor.visit(this, data);
 51  
     }
 52  
 
 53  
     /** {@inheritDoc} */
 54  
     public Object value(JexlContext jc) throws Exception {
 55  13
         Object val = ((SimpleNode) jjtGetChild(0)).value(jc);
 56  
 
 57  
         /*
 58  
          * coercion rules
 59  
          */
 60  
 
 61  13
         Boolean b = Coercion.coerceBoolean(val);
 62  
 
 63  13
         if (b != null) {
 64  13
             return b.booleanValue() ? Boolean.FALSE : Boolean.TRUE;
 65  
         }
 66  
 
 67  0
         throw new Exception("expression not boolean valued");
 68  
     }
 69  
 
 70  
 }

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