2009/04/15 - Apache HiveMind has been retired.

For more information, please explore the Attic.

Clover coverage report - Code Coverage for hivemind release 1.2.1
Coverage timestamp: Fri Feb 10 2006 16:33:43 PST
file stats: LOC: 111   Methods: 3
NCLOC: 65   Classes: 1
 
 Source file Conditionals Statements Methods TOTAL
DoubleTranslator.java 100% 100% 100% 100%
coverage
 1    // Copyright 2004, 2005 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    }