Coverage report

  %line %branch
org.apache.commons.jexl.parser.ASTLTNode
65% 
88% 

 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  
  * 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 398203 2006-04-29 16:44:55Z dion $
 30  
  */
 31  
 public class ASTLTNode extends SimpleNode {
 32  
     /**
 33  
      * Create the node given an id.
 34  
      * 
 35  
      * @param id node id.
 36  
      */
 37  
     public ASTLTNode(int id) {
 38  0
         super(id);
 39  0
     }
 40  
 
 41  
     /**
 42  
      * Create a node with the given parser and id.
 43  
      * 
 44  
      * @param p a parser.
 45  
      * @param id node id.
 46  
      */
 47  
     public ASTLTNode(Parser p, int id) {
 48  12
         super(p, id);
 49  12
     }
 50  
 
 51  
     /** {@inheritDoc} */
 52  
     public Object jjtAccept(ParserVisitor visitor, Object data) {
 53  0
         return visitor.visit(this, data);
 54  
     }
 55  
 
 56  
     /** {@inheritDoc} */
 57  
     public Object value(JexlContext jc) throws Exception {
 58  
         /*
 59  
          * now get the values
 60  
          */
 61  
 
 62  39
         Object left = ((SimpleNode) jjtGetChild(0)).value(jc);
 63  39
         Object right = ((SimpleNode) jjtGetChild(1)).value(jc);
 64  
 
 65  39
         if ((left == right) || (left == null) || (right == class="keyword">null)) {
 66  2
             return Boolean.FALSE;
 67  37
         } else if (Coercion.isFloatingPoint(left)
 68  
                 || Coercion.isFloatingPoint(right)) {
 69  1
             double leftDouble = Coercion.coerceDouble(left).class="keyword">doubleValue();
 70  1
             double rightDouble = Coercion.coerceDouble(right).class="keyword">doubleValue();
 71  
 
 72  1
             return leftDouble < rightDouble ? Boolean.TRUE : Boolean.FALSE;
 73  36
         } else if (Coercion.isNumberable(left) || Coercion.isNumberable(right)) {
 74  35
             long leftLong = Coercion.coerceLong(left).class="keyword">longValue();
 75  35
             long rightLong = Coercion.coerceLong(right).class="keyword">longValue();
 76  
 
 77  35
             return leftLong < rightLong ? Boolean.TRUE : Boolean.FALSE;
 78  1
         } else if (left instanceof String || right instanceof String) {
 79  0
             String leftString = left.toString();
 80  0
             String rightString = right.toString();
 81  
 
 82  0
             return leftString.compareTo(rightString) < 0 ? Boolean.TRUE
 83  
                     : Boolean.FALSE;
 84  1
         } else if (left instanceof Comparable) {
 85  1
             return ((Comparable) left).compareTo(right) < 0 ? Boolean.TRUE
 86  
                     : Boolean.FALSE;
 87  0
         } else if (right instanceof Comparable) {
 88  0
             return ((Comparable) right).compareTo(left) > 0 ? Boolean.TRUE
 89  
                     : Boolean.FALSE;
 90  
         }
 91  
 
 92  0
         throw new Exception("Invalid comparison : LT ");
 93  
     }
 94  
 }

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