Coverage report

  %line %branch
org.apache.commons.jexl.parser.ASTLENode
39% 
82% 

 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  
 import org.apache.commons.jexl.util.Coercion;
 20  
 
 21  
 /**
 22  
  *  LE : a <= b
 23  
  *
 24  
  *  Follows A.3.6.1 of the JSTL 1.0 specification
 25  
  *
 26  
  *  @author <a href="mailto:geirm@apache.org">Geir Magnusson Jr.</a>
 27  
  *  @author <a href="mailto:proyal@apache.org">Peter Royal</a>
 28  
  *  @version $Id: ASTLENode.java,v 1.4 2004/02/28 13:45:20 yoavs Exp $
 29  
  */
 30  
 public class ASTLENode extends SimpleNode
 31  
 {
 32  
     public ASTLENode(int id)
 33  
     {
 34  0
         super(id);
 35  0
     }
 36  
 
 37  
     public ASTLENode(Parser p, int id)
 38  
     {
 39  45
         super(p, id);
 40  45
     }
 41  
 
 42  
     /** Accept the visitor. **/
 43  
     public Object jjtAccept(ParserVisitor visitor, Object data)
 44  
     {
 45  0
         return visitor.visit(this, data);
 46  
     }
 47  
 
 48  
     public Object value(JexlContext jc)
 49  
         throws Exception
 50  
     {
 51  
         /*
 52  
          * now get the values
 53  
          */
 54  
 
 55  45
         Object left = ( (SimpleNode) jjtGetChild(0)).value(jc);
 56  45
         Object right = ( (SimpleNode) jjtGetChild(1)).value(jc);
 57  
 
 58  45
         if( left == right )
 59  
         {
 60  0
             return Boolean.TRUE;
 61  
         }
 62  45
         else if ( ( left == null ) || ( right == class="keyword">null ) )
 63  
         {
 64  0
             return Boolean.FALSE;
 65  
         }
 66  45
         else if( Coercion.isFloatingPoint( left ) || Coercion.isFloatingPoint( right ) )
 67  
         {
 68  0
             double leftDouble = Coercion.coerceDouble( left ).class="keyword">doubleValue();
 69  0
             double rightDouble = Coercion.coerceDouble( right ).class="keyword">doubleValue();
 70  
 
 71  0
             return leftDouble <= rightDouble
 72  
                 ? Boolean.TRUE
 73  
                 : Boolean.FALSE;
 74  
         }
 75  45
         else if( Coercion.isNumberable( left ) || Coercion.isNumberable( right ) )
 76  
         {
 77  45
             long leftLong = Coercion.coerceLong( left ).class="keyword">longValue();
 78  45
             long rightLong = Coercion.coerceLong( right ).class="keyword">longValue();
 79  
 
 80  45
             return leftLong <= rightLong
 81  
                 ? Boolean.TRUE
 82  
                 : Boolean.FALSE;
 83  
         }
 84  0
         else if( left instanceof String || right instanceof String )
 85  
         {
 86  0
             String leftString = left.toString();
 87  0
             String rightString = right.toString();
 88  
 
 89  0
             return leftString.compareTo( rightString ) <= 0
 90  
                 ? Boolean.TRUE
 91  
                 : Boolean.FALSE;
 92  
         }
 93  0
         else if( left instanceof Comparable )
 94  
         {
 95  0
             return ( (Comparable)left ).compareTo( right ) <= 0
 96  
                 ? Boolean.TRUE
 97  
                 : Boolean.FALSE;
 98  
         }
 99  0
         else if( right instanceof Comparable )
 100  
         {
 101  0
             return ( (Comparable)right ).compareTo( left ) >= 0
 102  
                 ? Boolean.TRUE
 103  
                 : Boolean.FALSE;
 104  
         }
 105  
 
 106  0
         throw new Exception("Invalid comparison : LE ");
 107  
     }
 108  
 
 109  
 }

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