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: 94   Methods: 3
NCLOC: 47   Classes: 1
 
 Source file Conditionals Statements Methods TOTAL
SmartTranslator.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.beans.PropertyEditor;
 18    import java.beans.PropertyEditorManager;
 19    import java.util.Map;
 20   
 21    import org.apache.hivemind.ApplicationRuntimeException;
 22    import org.apache.hivemind.Location;
 23    import org.apache.hivemind.internal.Module;
 24    import org.apache.hivemind.schema.Translator;
 25   
 26    /**
 27    * A "smart" translator that attempts to automatically convert from string types to object or
 28    * wrapper types, using {@link java.beans.PropertyEditor}s.
 29    *
 30    * @author Howard Lewis Ship
 31    */
 32    public class SmartTranslator implements Translator
 33    {
 34    private String _default;
 35   
 36  154 public SmartTranslator()
 37    {
 38    }
 39   
 40    /**
 41    * Initializers:
 42    * <ul>
 43    * <li>default: default value for empty input
 44    * </ul>
 45    */
 46  1 public SmartTranslator(String initializer)
 47    {
 48  1 Map m = RuleUtils.convertInitializer(initializer);
 49   
 50  1 _default = (String) m.get("default");
 51    }
 52   
 53  5545 public Object translate(Module contributingModule, Class propertyType, String inputValue,
 54    Location location)
 55    {
 56    // HIVEMIND-10: Inside JavaWebStart you (strangely) can't rely on
 57    // a PropertyEditor for String (even though it is trivial).
 58   
 59  5545 if (inputValue == null)
 60    {
 61  3 if (_default == null)
 62  2 return null;
 63   
 64  1 inputValue = _default;
 65    }
 66   
 67  5543 if (propertyType.equals(String.class) || propertyType.equals(Object.class))
 68  5531 return inputValue;
 69   
 70    // TODO: This duplicates logic inside PropertyAdaptor.
 71   
 72  12 try
 73    {
 74  12 PropertyEditor e = PropertyEditorManager.findEditor(propertyType);
 75   
 76  12 if (e == null)
 77  1 throw new ApplicationRuntimeException(RulesMessages.noPropertyEditor(propertyType),
 78    location, null);
 79   
 80  11 e.setAsText(inputValue);
 81   
 82  11 return e.getValue();
 83    }
 84    catch (Exception ex)
 85    {
 86  1 throw new ApplicationRuntimeException(RulesMessages.smartTranslatorError(
 87    inputValue,
 88    propertyType,
 89    ex), location, ex);
 90   
 91    }
 92    }
 93   
 94    }