Coverage report

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

 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  
 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 398206 2006-04-29 16:51:38Z dion $
 27  
  */
 28  
 public class ASTMulNode extends SimpleNode {
 29  
     /**
 30  
      * Create the node given an id.
 31  
      * 
 32  
      * @param id node id.
 33  
      */
 34  
     public ASTMulNode(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 ASTMulNode(Parser p, int id) {
 45  14
         super(p, id);
 46  14
     }
 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 context) throws Exception {
 55  19
         Object left = ((SimpleNode) jjtGetChild(0)).value(context);
 56  19
         Object right = ((SimpleNode) jjtGetChild(1)).value(context);
 57  
 
 58  
         /*
 59  
          * the spec says 'and', I think 'or'
 60  
          */
 61  19
         if (left == null && right == class="keyword">null) {
 62  0
             return new Byte((byte) 0);
 63  
         }
 64  
 
 65  
         /*
 66  
          * if anything is float, double or string with ( "." | "E" | "e") coerce
 67  
          * all to doubles and do it
 68  
          */
 69  19
         if (left instanceof Float
 70  
             || left instanceof Double
 71  
             || right instanceof Float
 72  
             || right instanceof Double
 73  
             || (left instanceof String 
 74  
                 && (((String) left).indexOf(".") != -1 
 75  
                     || ((String) left).indexOf("e") != -1 
 76  
                     || ((String) left).indexOf("E") != -1))
 77  
             || (right instanceof String 
 78  
                 && (((String) right).indexOf(".") != -1 
 79  
                     || ((String) right).indexOf("e") != -1 
 80  
                     || ((String) right).indexOf("E") != -1))) {
 81  4
             Double l = Coercion.coerceDouble(left);
 82  4
             Double r = Coercion.coerceDouble(right);
 83  
 
 84  4
             return new Double(l.doubleValue() * r.doubleValue());
 85  
         }
 86  
 
 87  
         /*
 88  
          * otherwise to longs with thee!
 89  
          */
 90  
 
 91  15
         Long l = Coercion.coerceLong(left);
 92  15
         Long r = Coercion.coerceLong(right);
 93  
 
 94  15
         return new Long(l.longValue() * r.longValue());
 95  
     }
 96  
 
 97  
 }

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