Coverage report

  %line %branch
org.apache.commons.jexl.parser.ASTDivNode
71% 
100% 

 1  
 /*
 2  
  * Copyright 2003-2006 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.util.Coercion;
 19  
 import org.apache.commons.jexl.JexlContext;
 20  
 
 21  
 /**
 22  
  * a / b, mathematical divide.
 23  
  * 
 24  
  * @author <a href="mailto:geirm@apache.org">Geir Magnusson Jr.</a>
 25  
  * @version $Id: ASTDivNode.java 398187 2006-04-29 15:58:45Z dion $
 26  
  */
 27  
 public class ASTDivNode extends SimpleNode {
 28  
     /**
 29  
      * Create the node given an id.
 30  
      * 
 31  
      * @param id node id.
 32  
      */
 33  
     public ASTDivNode(int id) {
 34  0
         super(id);
 35  0
     }
 36  
 
 37  
     /**
 38  
      * Create a node with the given parser and id.
 39  
      * 
 40  
      * @param p a parser.
 41  
      * @param id node id.
 42  
      */
 43  
     public ASTDivNode(Parser p, int id) {
 44  4
         super(p, id);
 45  4
     }
 46  
 
 47  
     /** {@inheritDoc} */
 48  
     public Object jjtAccept(ParserVisitor visitor, Object data) {
 49  0
         return visitor.visit(this, data);
 50  
     }
 51  
 
 52  
     /** {@inheritDoc} */
 53  
     public Object value(JexlContext jc) throws Exception {
 54  4
         Object left = ((SimpleNode) jjtGetChild(0)).value(jc);
 55  4
         Object right = ((SimpleNode) jjtGetChild(1)).value(jc);
 56  
 
 57  
         /*
 58  
          * the spec says 'and', I think 'or'
 59  
          */
 60  4
         if (left == null && right == class="keyword">null) {
 61  0
             return new Byte((byte) 0);
 62  
         }
 63  
 
 64  4
         Double l = Coercion.coerceDouble(left);
 65  4
         Double r = Coercion.coerceDouble(right);
 66  
 
 67  
         /*
 68  
          * catch div/0
 69  
          */
 70  4
         if (r.doubleValue() == 0.0) {
 71  1
             return new Double(0.0);
 72  
         }
 73  
 
 74  3
         return new Double(l.doubleValue() / r.doubleValue());
 75  
 
 76  
     }
 77  
 }

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