Coverage report

  %line %branch
org.apache.commons.jexl.parser.ASTLTNode
33% 
79% 

 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   
  *  LT : a < b
 24   
  *
 25   
  *  Follows A.3.6.1 of the JSTL 1.0 specification
 26   
  *
 27   
  *  @author <a href="mailto:geirm@apache.org">Geir Magnusson Jr.</a>
 28   
  *  @author <a href="mailto:proyal@apache.org">Peter Royal</a>
 29   
  *  @version $Id: ASTLTNode.java,v 1.5 2004/02/28 13:45:20 yoavs Exp $
 30   
  */
 31   
 public class ASTLTNode extends SimpleNode
 32   
 {
 33   
     public ASTLTNode(int id)
 34   
     {
 35  0 
         super(id);
 36  0 
     }
 37   
 
 38   
     public ASTLTNode(Parser p, int id)
 39   
     {
 40  60 
         super(p, id);
 41  60 
     }
 42   
 
 43   
     /** Accept the visitor. **/
 44   
     public Object jjtAccept(ParserVisitor visitor, Object data)
 45   
     {
 46  0 
         return visitor.visit(this, data);
 47   
     }
 48   
 
 49   
     public Object value(JexlContext jc)
 50   
         throws Exception
 51   
     {
 52   
         /*
 53   
          * now get the values
 54   
          */
 55   
 
 56  60 
         Object left = ( (SimpleNode) jjtGetChild(0)).value(jc);
 57  60 
         Object right = ( (SimpleNode) jjtGetChild(1)).value(jc);
 58   
 
 59  60 
         if( ( left == right ) || ( left == null ) || ( right == class="keyword">null ) )
 60   
         {
 61  0 
             return Boolean.FALSE;
 62   
         }
 63  60 
         else if( Coercion.isFloatingPoint( left ) || Coercion.isFloatingPoint( right ) )
 64   
         {
 65  0 
             double leftDouble = Coercion.coerceDouble( left ).class="keyword">doubleValue();
 66  0 
             double rightDouble = Coercion.coerceDouble( right ).class="keyword">doubleValue();
 67   
 
 68  0 
             return leftDouble < rightDouble
 69   
                 ? Boolean.TRUE
 70   
                 : Boolean.FALSE;
 71   
         }
 72  60 
         else if( Coercion.isNumberable( left ) || Coercion.isNumberable( right ) )
 73   
         {
 74  60 
             long leftLong = Coercion.coerceLong( left ).class="keyword">longValue();
 75  60 
             long rightLong = Coercion.coerceLong( right ).class="keyword">longValue();
 76   
 
 77  64 
             return leftLong < rightLong
 78  1 
                 ? Boolean.TRUE
 79  3 
                 : Boolean.FALSE;
 80   
         }
 81  0 
         else if( left instanceof String || right instanceof String )
 82   
         {
 83  0 
             String leftString = left.toString();
 84  0 
             String rightString = right.toString();
 85   
 
 86  0 
             return leftString.compareTo( rightString ) < 0
 87   
                 ? Boolean.TRUE
 88   
                 : Boolean.FALSE;
 89   
         }
 90  0 
         else if( left instanceof Comparable )
 91   
         {
 92  0 
             return ( (Comparable)left ).compareTo( right ) < 0
 93   
                 ? Boolean.TRUE
 94   
                 : Boolean.FALSE;
 95   
         }
 96  0 
         else if( right instanceof Comparable )
 97   
         {
 98  0 
             return ( (Comparable)right ).compareTo( left ) > 0
 99   
                 ? Boolean.TRUE
 100   
                 : Boolean.FALSE;
 101   
         }
 102   
 
 103  0 
         throw new Exception("Invalid comparison : LT ");
 104   
     }
 105   
 }

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