Coverage report

  %line %branch
org.apache.commons.jexl.resolver.FlatResolver
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 1  
 /*
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  * Copyright 2002-2006 The Apache Software Foundation.
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  *
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  * Licensed under the Apache License, Version 2.0 (the "License");
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  * you may not use this file except in compliance with the License.
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  * You may obtain a copy of the License at
 7  
  *
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  *      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
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  * limitations under the License.
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  */
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 package org.apache.commons.jexl.resolver;
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 import org.apache.commons.jexl.JexlExprResolver;
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 import org.apache.commons.jexl.JexlContext;
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 /**
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  *  Simple resolver to try the expression as-is from the context.
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  *
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  *  For example, you could resolve ant-ish properties (foo.bar.woogie)
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  *  using this...
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  *
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  *  hint, hint...
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  *
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  *  @since 1.0
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  *  @author <a href="mailto:geirm@adeptra.com">Geir Magnusson Jr.</a>
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  *  @version $Id: FlatResolver.java 397542 2006-04-27 13:43:47Z dion $
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  */
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 public class FlatResolver implements JexlExprResolver {
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     /**
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      *  Flag to return NO_VALUE on null from context.
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      *  this allows jexl to try to evaluate
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      */
 38  4
     protected boolean noValOnNull = true;
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 40  
     /**
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      * Default CTOR.
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      */
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     public FlatResolver() {
 44  3
     }
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 46  
     /**
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      *  CTOR that lets you override the default behavior of
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      *  noValOnNull, which is true. (jexl gets a shot after if null)
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      *
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      *  @param valOnNull Whether NO_VALUE will be returned instead of null.
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      */
 52  1
     public FlatResolver(boolean valOnNull) {
 53  1
         noValOnNull = valOnNull;
 54  1
     }
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 56  
     /**
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      *  Try to resolve expression as-is.
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      *
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      *  @param context The context for resolution.
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      *  @param expression The flat expression.
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      *  @return The resolved value.
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      */
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     public Object evaluate(JexlContext context, String expression) {
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         Object val = context.getVars().get(expression);
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 66  3
         if (val == null && noValOnNull) {
 67  1
             return JexlExprResolver.NO_VALUE;
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         }
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 70  2
         return val;
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     }
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 }

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