Coverage report

  %line %branch
org.apache.commons.jexl.util.BooleanPropertyExecutor
68% 
70% 

 1   
 /*
 2   
  * Copyright 2000-2001,2004 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.util;
 18   
 
 19   
 import org.apache.commons.logging.Log;
 20   
 /**
 21   
  *  Handles discovery and valuation of a
 22   
  *  boolean object property, of the
 23   
  *  form public boolean is<property> when executed.
 24   
  *
 25   
  *  We do this separately as to preserve the current
 26   
  *  quasi-broken semantics of get<as is property>
 27   
  *  get< flip 1st char> get("property") and now followed
 28   
  *  by is<Property>
 29   
  *
 30   
  *  @author <a href="geirm@apache.org">Geir Magnusson Jr.</a>
 31   
  *  @version $Id: BooleanPropertyExecutor.java,v 1.4 2004/02/28 13:45:21 yoavs Exp $
 32   
  */
 33   
 public class BooleanPropertyExecutor extends PropertyExecutor
 34   
 {
 35   
     public BooleanPropertyExecutor(Log rlog, org.apache.commons.jexl.util.introspection.Introspector is, Class clazz, String property)
 36   
     {
 37  30 
         super(rlog, is, clazz, property);
 38  30 
     }
 39   
 
 40   
     protected void discover(Class clazz, String property)
 41   
     {
 42   
         try
 43   
         {
 44   
             char c;
 45   
             StringBuffer sb;
 46   
 
 47  30 
             Object[] params = {  };
 48   
 
 49   
             /*
 50   
              *  now look for a boolean isFoo
 51   
              */
 52   
 
 53  30 
             sb = new StringBuffer("is");
 54  30 
             sb.append(property);
 55   
 
 56  30 
             c = sb.charAt(2);
 57   
 
 58  30 
             if (Character.isLowerCase(c))
 59   
             {
 60  30 
                 sb.setCharAt(2, Character.toUpperCase(c));
 61   
             }
 62   
 
 63  30 
             methodUsed = sb.toString();
 64  30 
             method = introspector.getMethod(clazz, methodUsed, params);
 65   
 
 66  30 
             if (method != null)
 67   
             {
 68   
                 /*
 69   
                  *  now, this has to return a boolean
 70   
                  */
 71   
 
 72  30 
                 if (method.getReturnType() == Boolean.TYPE)
 73  30 
                     return;
 74   
 
 75  0 
                 method = null;
 76   
             }
 77  0 
         }
 78   
         catch(Exception e)
 79   
         {
 80  0 
             rlog.error("PROGRAMMER ERROR : BooleanPropertyExector() : " + e);
 81   
         }
 82  0 
     }
 83   
 }

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