Clover coverage report - Code Coverage for hivemind release 1.0-rc-1
Coverage timestamp: Wed Aug 25 2004 13:06:02 EDT
file stats: LOC: 112   Methods: 3
NCLOC: 65   Classes: 1
30 day Evaluation Version distributed via the Maven Jar Repository. Clover is not free. You have 30 days to evaluate it. Please visit http://www.thecortex.net/clover to obtain a licensed version of Clover
 
 Source file Conditionals Statements Methods TOTAL
DoubleTranslator.java 100% 100% 100% 100%
coverage
 1   
 //  Copyright 2004 The Apache Software Foundation
 2   
 //
 3   
 // Licensed under the Apache License, Version 2.0 (the "License");
 4   
 // you may not use this file except in compliance with the License.
 5   
 // You may obtain a copy of the License at
 6   
 //
 7   
 //     http://www.apache.org/licenses/LICENSE-2.0
 8   
 //
 9   
 // Unless required by applicable law or agreed to in writing, software
 10   
 // distributed under the License is distributed on an "AS IS" BASIS,
 11   
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 12   
 // See the License for the specific language governing permissions and
 13   
 // limitations under the License.
 14   
 
 15   
 package org.apache.hivemind.schema.rules;
 16   
 
 17   
 import java.util.Map;
 18   
 
 19   
 import org.apache.hivemind.ApplicationRuntimeException;
 20   
 import org.apache.hivemind.HiveMind;
 21   
 import org.apache.hivemind.Location;
 22   
 import org.apache.hivemind.internal.Module;
 23   
 import org.apache.hivemind.schema.Translator;
 24   
 
 25   
 /**
 26   
  * Translates strings to integer values.
 27   
  *
 28   
  * @author Howard Lewis Ship
 29   
  */
 30   
 public class DoubleTranslator implements Translator
 31   
 {
 32   
     private double _minValue;
 33   
     private boolean _isMinValue;
 34   
     private double _maxValue;
 35   
     private boolean _isMaxValue;
 36   
     private double _defaultValue = 0;
 37   
 
 38  2
     public DoubleTranslator()
 39   
     {
 40   
     }
 41   
 
 42   
     /**
 43   
      * Initializers:
 44   
      * <ul>
 45   
      * <li>default: default value for empty or invalid input
 46   
      * <li>min: minimum acceptible value
 47   
      * <li>max: maximum acceptible value
 48   
      * </ul>
 49   
      */
 50  4
     public DoubleTranslator(String initializer)
 51   
     {
 52  4
         Map m = RuleUtils.convertInitializer(initializer);
 53   
 
 54  4
         String defaultInit = (String) m.get("default");
 55   
 
 56  4
         if (defaultInit != null)
 57  2
             _defaultValue = Double.parseDouble(defaultInit);
 58   
 
 59  4
         String minInit = (String) m.get("min");
 60  4
         if (minInit != null)
 61   
         {
 62  2
             _isMinValue = true;
 63  2
             _minValue = Double.parseDouble(minInit);
 64   
         }
 65   
 
 66  4
         String maxInit = (String) m.get("max");
 67  4
         if (maxInit != null)
 68   
         {
 69  2
             _isMaxValue = true;
 70  2
             _maxValue = Double.parseDouble(maxInit);
 71   
         }
 72   
     }
 73   
 
 74   
     /**
 75   
      * Converts the string to an Double.  The empty string is returned as zero.
 76   
      * On failure, an error is logged and the method returns zero.
 77   
      */
 78  6
     public Object translate(
 79   
         Module contributingModule,
 80   
         Class propertyType,
 81   
         String inputValue,
 82   
         Location location)
 83   
     {
 84  6
         if (HiveMind.isBlank(inputValue))
 85  2
             return new Double(_defaultValue);
 86   
 
 87  4
         double value;
 88   
 
 89  4
         try
 90   
         {
 91  4
             value = Double.parseDouble(inputValue);
 92   
         }
 93   
         catch (Exception ex)
 94   
         {
 95  1
             throw new ApplicationRuntimeException(
 96   
                 RulesMessages.invalidDoubleValue(inputValue),
 97   
                 location,
 98   
                 ex);
 99   
         }
 100   
 
 101  3
         if (_isMinValue && value < _minValue)
 102  1
             throw new ApplicationRuntimeException(
 103   
                 RulesMessages.minDoubleValue(inputValue, _minValue));
 104   
 
 105  2
         if (_isMaxValue && value > _maxValue)
 106  1
             throw new ApplicationRuntimeException(
 107   
                 RulesMessages.maxDoubleValue(inputValue, _maxValue));
 108   
 
 109  1
         return new Double(value);
 110   
     }
 111   
 }
 112