Coverage report

  %line %branch
org.apache.commons.jexl.resolver.FlatResolver
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 1  
 package org.apache.commons.jexl.resolver;
 2  
 
 3  
 import org.apache.commons.jexl.JexlExprResolver;
 4  
 import org.apache.commons.jexl.JexlContext;
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 6  
 /**
 7  
  *  Simple resolver to try the expression as-is from the context.
 8  
  *
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  *  For example, you could resolve ant-ish properties (foo.bar.woogie)
 10  
  *  using this...
 11  
  *
 12  
  *  hint, hint...
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  *
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  *  @author <a href="mailto:geirm@adeptra.com">Geir Magnusson Jr.</a>
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  *  @version $Id: FlatResolver.java,v 1.1 2002/06/13 16:10:44 geirm Exp $
 16  
  */
 17  
 public class FlatResolver implements JexlExprResolver
 18  
 {
 19  
     /**
 20  
      *  flag to return NO_VALUE on null from context
 21  
      *  this allows jexl to try to evaluate
 22  
      */
 23  54
     protected boolean noValOnNull = true;
 24  
 
 25  
     /**
 26  
      * default CTOR
 27  
      */
 28  2
     public FlatResolver()
 29  37
     {
 30  39
     }
 31  
 
 32  
     /**
 33  
      *  CTOR that lets you override the default behavior of
 34  
      *  noValOnNull, which is true (jexl gets a shot after if null)
 35  
      */
 36  1
     public FlatResolver(boolean noValOnNull)
 37  14
     {
 38  15
         this.noValOnNull = noValOnNull;
 39  15
     }
 40  
 
 41  
     public Object evaluate(JexlContext context, String expression)
 42  
     {
 43  54
         Object val = context.getVars().get(expression);
 44  
 
 45  54
         if (val == null && noValOnNull)
 46  
         {
 47  15
             return JexlExprResolver.NO_VALUE;
 48  
         }
 49  
 
 50  39
         return val;
 51  
     }
 52  
 }

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