001    // Copyright 2005 The Apache Software Foundation
002    //
003    // Licensed under the Apache License, Version 2.0 (the "License");
004    // you may not use this file except in compliance with the License.
005    // You may obtain a copy of the License at
006    //
007    //     http://www.apache.org/licenses/LICENSE-2.0
008    //
009    // Unless required by applicable law or agreed to in writing, software
010    // distributed under the License is distributed on an "AS IS" BASIS,
011    // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
012    // See the License for the specific language governing permissions and
013    // limitations under the License.
014    
015    package org.apache.tapestry.engine.state;
016    
017    import java.util.HashMap;
018    import java.util.Iterator;
019    import java.util.Map;
020    
021    import org.apache.hivemind.ApplicationRuntimeException;
022    import org.apache.hivemind.ErrorLog;
023    
024    /**
025     * @author Howard M. Lewis Ship
026     * @since 4.0
027     */
028    public class SOMRegistryImpl implements StateObjectManagerRegistry
029    {
030        private ErrorLog _errorLog;
031    
032        private Map _factoryContributions;
033    
034        private Map _applicationContributions;
035    
036        private Map _persistenceManagers;
037    
038        private Map _objectManagers = new HashMap();
039    
040        public void initializeService()
041        {
042            Map contributions = new HashMap();
043            contributions.putAll(_factoryContributions);
044            // Overwrite any duplicates with the application contributions
045            contributions.putAll(_applicationContributions);
046    
047            Iterator i = contributions.values().iterator();
048            while (i.hasNext())
049            {
050                StateObjectContribution c = (StateObjectContribution) i.next();
051    
052                String objectName = c.getName();
053                String scope = c.getScope();
054    
055                StateObjectPersistenceManager pm = (StateObjectPersistenceManager) _persistenceManagers
056                        .get(scope);
057    
058                if (pm == null)
059                {
060                    _errorLog.error(
061                            StateMessages.unknownScope(objectName, scope),
062                            c.getLocation(),
063                            null);
064                    continue;
065                }
066    
067                StateObjectManager manager = new StateObjectManagerImpl(objectName, c.getFactory(), pm);
068    
069                _objectManagers.put(objectName, manager);
070    
071            }
072        }
073    
074        public StateObjectManager get(String objectName)
075        {
076            StateObjectManager manager = (StateObjectManager) _objectManagers.get(objectName);
077    
078            if (manager == null)
079                throw new ApplicationRuntimeException(StateMessages.unknownStateObjectName(objectName));
080    
081            return manager;
082        }
083    
084        public void setApplicationContributions(Map applicationContributions)
085        {
086            _applicationContributions = applicationContributions;
087        }
088    
089        public void setErrorLog(ErrorLog errorLog)
090        {
091            _errorLog = errorLog;
092        }
093    
094        public void setFactoryContributions(Map factoryContributions)
095        {
096            _factoryContributions = factoryContributions;
097        }
098    
099        public void setPersistenceManagers(Map persistenceManagers)
100        {
101            _persistenceManagers = persistenceManagers;
102        }
103    }