Clover coverage report - Code Coverage for hivemind-lib release 1.1-alpha-2
Coverage timestamp: Wed Feb 23 2005 10:00:02 EST
file stats: LOC: 147   Methods: 6
NCLOC: 91   Classes: 1
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 Source file Conditionals Statements Methods TOTAL
BeanFactoryImpl.java 95% 100% 100% 98.5%
coverage 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.lib.factory;
 16   
 
 17   
 import java.lang.reflect.Constructor;
 18   
 import java.util.HashMap;
 19   
 import java.util.Iterator;
 20   
 import java.util.List;
 21   
 import java.util.Map;
 22   
 
 23   
 import org.apache.hivemind.ApplicationRuntimeException;
 24   
 import org.apache.hivemind.ErrorLog;
 25   
 import org.apache.hivemind.HiveMind;
 26   
 import org.apache.hivemind.impl.BaseLocatable;
 27   
 import org.apache.hivemind.lib.BeanFactory;
 28   
 
 29   
 /**
 30   
  * Implementation of {@link org.apache.hivemind.lib.BeanFactory}.
 31   
  * 
 32   
  * @author Howard Lewis Ship
 33   
  */
 34   
 public class BeanFactoryImpl extends BaseLocatable implements BeanFactory
 35   
 {
 36   
     private ErrorLog _errorLog;
 37   
 
 38   
     private Class _vendType;
 39   
 
 40   
     private Map _contributions = new HashMap();
 41   
 
 42   
     private Map _cache = new HashMap();
 43   
 
 44   
     private boolean _defaultCacheable;
 45   
 
 46  12
     public BeanFactoryImpl(ErrorLog errorLog, Class vendType, List contributions,
 47   
             boolean defaultCacheable)
 48   
     {
 49  12
         _errorLog = errorLog;
 50  12
         _vendType = vendType;
 51  12
         _defaultCacheable = defaultCacheable;
 52   
 
 53  12
         processContributions(contributions);
 54   
     }
 55   
 
 56  2
     public boolean contains(String locator)
 57   
     {
 58  2
         int commax = locator.indexOf(',');
 59   
 
 60  2
         String name = commax < 0 ? locator.trim() : locator.substring(0, commax);
 61   
 
 62  2
         return _contributions.containsKey(name);
 63   
     }
 64   
 
 65  12
     private void processContributions(List list)
 66   
     {
 67  12
         Iterator i = list.iterator();
 68   
 
 69  12
         while (i.hasNext())
 70   
         {
 71  13
             BeanFactoryContribution c = (BeanFactoryContribution) i.next();
 72   
 
 73  13
             Class beanClass = c.getBeanClass();
 74   
 
 75  13
             if (beanClass.isInterface() || beanClass.isArray() || beanClass.isPrimitive())
 76   
             {
 77  3
                 _errorLog.error(FactoryMessages.invalidContributionClass(c), c.getLocation(), null);
 78  3
                 continue;
 79   
             }
 80   
 
 81  10
             if (!_vendType.isAssignableFrom(beanClass))
 82   
             {
 83  1
                 _errorLog.error(FactoryMessages.wrongContributionType(c, _vendType), c
 84   
                         .getLocation(), null);
 85  1
                 continue;
 86   
             }
 87   
 
 88  9
             _contributions.put(c.getName(), c);
 89   
         }
 90   
     }
 91   
 
 92  13
     public synchronized Object get(String locator)
 93   
     {
 94  13
         Object result = _cache.get(locator);
 95   
 
 96  13
         if (result == null)
 97  12
             result = create(locator);
 98   
 
 99  8
         return result;
 100   
     }
 101   
 
 102   
     // Implicitly synchronized by get()
 103   
 
 104  12
     private Object create(String locator)
 105   
     {
 106  12
         int commax = locator.indexOf(',');
 107   
 
 108  12
         String name = commax < 0 ? locator.trim() : locator.substring(0, commax);
 109  12
         String initializer = commax < 0 ? null : locator.substring(commax + 1).trim();
 110   
 
 111  12
         BeanFactoryContribution c = (BeanFactoryContribution) _contributions.get(name);
 112   
 
 113  12
         if (c == null)
 114  4
             throw new ApplicationRuntimeException(FactoryMessages.unknownContribution(name));
 115   
 
 116  8
         Object result = construct(c, initializer);
 117   
 
 118  7
         if (c.getStoreResultInCache(_defaultCacheable))
 119  5
             _cache.put(locator, result);
 120   
 
 121  7
         return result;
 122   
     }
 123   
 
 124  8
     private Object construct(BeanFactoryContribution contribution, String initializer)
 125   
     {
 126  8
         Class beanClass = contribution.getBeanClass();
 127   
 
 128  8
         try
 129   
         {
 130  8
             if (HiveMind.isBlank(initializer))
 131  4
                 return beanClass.newInstance();
 132   
 
 133  4
             Constructor c = beanClass.getConstructor(new Class[]
 134   
             { String.class });
 135   
 
 136  4
             return c.newInstance(new Object[]
 137   
             { initializer });
 138   
         }
 139   
         catch (Exception ex)
 140   
         {
 141  1
             throw new ApplicationRuntimeException(FactoryMessages
 142   
                     .unableToInstantiate(beanClass, ex), contribution.getLocation(), ex);
 143   
 
 144   
         }
 145   
     }
 146   
 
 147   
 }