Coverage report

  %line %branch
org.apache.commons.jexl.parser.ASTMulNode
64% 
100% 

 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  
 import org.apache.commons.jexl.util.Coercion;
 21  
 
 22  
 /**
 23  
  *  Multiplication
 24  
  *
 25  
  *  @author <a href="mailto:geirm@apache.org">Geir Magnusson Jr.</a>
 26  
  *  @version $Id: ASTMulNode.java,v 1.4 2004/02/28 13:45:20 yoavs Exp $
 27  
  */
 28  
 public class ASTMulNode extends SimpleNode
 29  
 {
 30  
     public ASTMulNode(int id)
 31  
     {
 32  0
         super(id);
 33  0
     }
 34  
 
 35  
     public ASTMulNode(Parser p, int id)
 36  
     {
 37  75
         super(p, id);
 38  75
     }
 39  
 
 40  
 
 41  
     /** Accept the visitor. **/
 42  
     public Object jjtAccept(ParserVisitor visitor, Object data)
 43  
     {
 44  0
         return visitor.visit(this, data);
 45  
     }
 46  
 
 47  
     public Object value(JexlContext context)
 48  
         throws Exception
 49  
     {
 50  75
         Object left = ((SimpleNode) jjtGetChild(0)).value(context);
 51  75
         Object right = ((SimpleNode) jjtGetChild(1)).value(context);
 52  
 
 53  
         /*
 54  
          *  the spec says 'and', I think 'or'
 55  
          */
 56  75
         if (left == null && right == class="keyword">null)
 57  0
             return new Integer(0);
 58  
 
 59  
         /*
 60  
          *  if anything is float, double or string with ( "." | "E" | "e")
 61  
          *  coerce all to doubles and do it
 62  
          */
 63  75
         if ( left instanceof Float || left instanceof Double
 64  5
             || right instanceof Float || right instanceof Double
 65  4
             || (  left instanceof String
 66  
                   && (  ((String) left).indexOf(".") != -1 ||
 67  
                         ((String) left).indexOf("e") != -1 ||
 68  
                         ((String) left).indexOf("E") != -1 )
 69  
                )
 70  4
             || (  right instanceof String
 71  1
                   && (  ((String) right).indexOf(".") != -1 ||
 72  
                         ((String) right).indexOf("e") != -1 ||
 73  
                         ((String) right).indexOf("E") != -1 )
 74  
                )
 75  
             )
 76  
         {
 77  30
             Double l = Coercion.coerceDouble(left);
 78  30
             Double r = Coercion.coerceDouble(right);
 79  
 
 80  30
             return new Double( l.doubleValue() * r.doubleValue() );
 81  
         }
 82  
 
 83  
         /*
 84  
          * otherwise to longs with thee!
 85  
          */
 86  
 
 87  45
         Long l = Coercion.coerceLong(left);
 88  45
         Long r = Coercion.coerceLong(right);
 89  
 
 90  45
         return new Long(l.longValue() * r.longValue());
 91  
     }
 92  
 
 93  
 }
 94  
 

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