Coverage Report - org.apache.tapestry.services.impl.ServiceMapImpl
 
Classes in this File Line Coverage Branch Coverage Complexity
ServiceMapImpl
0%
0/45
0%
0/12
2
 
 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.tapestry.services.impl;
 16  
 
 17  
 import java.util.HashMap;
 18  
 import java.util.Iterator;
 19  
 import java.util.List;
 20  
 import java.util.Map;
 21  
 
 22  
 import org.apache.hivemind.ApplicationRuntimeException;
 23  
 import org.apache.hivemind.ErrorLog;
 24  
 import org.apache.tapestry.engine.IEngineService;
 25  
 import org.apache.tapestry.services.ServiceMap;
 26  
 
 27  
 /**
 28  
  * Implementation of {@link org.apache.tapestry.services.ServiceMap}.
 29  
  * 
 30  
  * @author Howard Lewis Ship
 31  
  * @since 4.0
 32  
  */
 33  0
 public class ServiceMapImpl implements ServiceMap, EngineServiceSource
 34  
 {
 35  
     /**
 36  
      * List of {@link EngineServiceContribution}.
 37  
      */
 38  
     private List _applicationServices;
 39  
 
 40  
     /**
 41  
      * List of {@link EngineServiceContribution}.
 42  
      */
 43  
     private List _factoryServices;
 44  
 
 45  
     private ErrorLog _errorLog;
 46  
 
 47  
     /**
 48  
      * Map of {@link EngineServiceContribution} keyed on String name.
 49  
      */
 50  
     private Map _services;
 51  
 
 52  
     /**
 53  
      * Map of {@link org.apache.tapestry.services.impl.EngineServiceOuterProxy}, keyed on String
 54  
      * name.
 55  
      */
 56  
 
 57  0
     private Map _proxies = new HashMap();
 58  
 
 59  
     public void initializeService()
 60  
     {
 61  0
         Map factoryMap = buildServiceMap(_factoryServices);
 62  0
         Map applicationMap = buildServiceMap(_applicationServices);
 63  
 
 64  
         // Add services from the applicationMap to factoryMap, overwriting
 65  
         // factoryMap entries with the same name.
 66  
 
 67  0
         factoryMap.putAll(applicationMap);
 68  
 
 69  0
         _services = factoryMap;
 70  0
     }
 71  
 
 72  
     private Map buildServiceMap(List services)
 73  
     {
 74  0
         Map result = new HashMap();
 75  
 
 76  0
         Iterator i = services.iterator();
 77  0
         while (i.hasNext())
 78  
         {
 79  0
             EngineServiceContribution contribution = (EngineServiceContribution) i.next();
 80  0
             String name = contribution.getName();
 81  
 
 82  0
             EngineServiceContribution existing = (EngineServiceContribution) result.get(name);
 83  
 
 84  0
             if (existing != null)
 85  
             {
 86  0
                 _errorLog.error(
 87  
                         ImplMessages.dupeService(name, existing),
 88  
                         existing.getLocation(),
 89  
                         null);
 90  0
                 continue;
 91  
             }
 92  
 
 93  0
             result.put(name, contribution);
 94  0
         }
 95  
 
 96  0
         return result;
 97  
     }
 98  
 
 99  
     public synchronized IEngineService getService(String name)
 100  
     {
 101  0
         IEngineService result = (IEngineService) _proxies.get(name);
 102  
 
 103  0
         if (result == null)
 104  
         {
 105  0
             result = buildProxy(name);
 106  0
             _proxies.put(name, result);
 107  
         }
 108  
 
 109  0
         return result;
 110  
     }
 111  
 
 112  
     public boolean isValid(String name)
 113  
     {
 114  0
         return _services.containsKey(name);
 115  
     }
 116  
 
 117  
     /**
 118  
      * This returns the actual service, not the outer proxy.
 119  
      */
 120  
 
 121  
     public IEngineService resolveEngineService(String name)
 122  
     {
 123  0
         EngineServiceContribution contribution = (EngineServiceContribution) _services.get(name);
 124  
 
 125  0
         if (contribution == null)
 126  0
             throw new ApplicationRuntimeException(ImplMessages.noSuchService(name));
 127  
 
 128  0
         IEngineService service = contribution.getService();
 129  0
         String serviceName = service.getName();
 130  
 
 131  0
         if (!name.equals(serviceName))
 132  0
             throw new ApplicationRuntimeException(ImplMessages.serviceNameMismatch(
 133  
                     service,
 134  
                     name,
 135  
                     serviceName), contribution.getLocation(), null);
 136  
 
 137  0
         return service;
 138  
     }
 139  
 
 140  
     private IEngineService buildProxy(String name)
 141  
     {
 142  0
         if (!_services.containsKey(name))
 143  0
             throw new ApplicationRuntimeException(ImplMessages.noSuchService(name));
 144  
 
 145  0
         EngineServiceOuterProxy outer = new EngineServiceOuterProxy(name);
 146  
 
 147  0
         EngineServiceInnerProxy inner = new EngineServiceInnerProxy(name, outer, this);
 148  
 
 149  0
         outer.installDelegate(inner);
 150  
 
 151  0
         return outer;
 152  
     }
 153  
 
 154  
     public void setApplicationServices(List applicationServices)
 155  
     {
 156  0
         _applicationServices = applicationServices;
 157  0
     }
 158  
 
 159  
     public void setFactoryServices(List factoryServices)
 160  
     {
 161  0
         _factoryServices = factoryServices;
 162  0
     }
 163  
 
 164  
     public void setErrorLog(ErrorLog errorLog)
 165  
     {
 166  0
         _errorLog = errorLog;
 167  0
     }
 168  
 }