Coverage report

  %line %branch
org.apache.commons.jexl.parser.ASTUnaryMinusNode
56% 
88% 

 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  
 
 18  
 import org.apache.commons.jexl.JexlContext;
 19  
 
 20  
 
 21  
 /**
 22  
  *  -
 23  
  *
 24  
  *  @author <a href="mailto:mhw@kremvax.net">Mark H. Wilkinson</a>
 25  
  *  @version $Id: ASTUnaryMinusNode.java,v 1.3 2004/02/28 13:45:20 yoavs Exp $
 26  
  */
 27  
 public class ASTUnaryMinusNode extends SimpleNode 
 28  
 {
 29  
     public ASTUnaryMinusNode(int id)
 30  
     {
 31  0
         super(id);
 32  0
     }
 33  
 
 34  
     public ASTUnaryMinusNode(Parser p, int id)
 35  
     {
 36  60
         super(p, id);
 37  60
     }
 38  
 
 39  
     /** Accept the visitor. **/
 40  
     public Object jjtAccept(ParserVisitor visitor, Object data)
 41  
     {
 42  0
         return visitor.visit(this, data);
 43  
     }
 44  
 
 45  
     public Object value(JexlContext jc)
 46  
         throws Exception
 47  
     {
 48  60
         Object val = ((SimpleNode) jjtGetChild(0)).value(jc);
 49  
 
 50  60
         if (val instanceof Integer)
 51  
         {
 52  60
             return new Integer(- ( ((Integer) val).intValue() ) );
 53  
         }
 54  
         else
 55  
         {
 56  0
             throw new Exception("expression not integer valued");
 57  
         }
 58  
     }
 59  
 }
 60  
 

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