Carsten Ziegeler | 6c6f25b | 2007-08-15 10:04:02 +0000 | [diff] [blame] | 1 | /* |
Felix Meschberger | add2b4a | 2007-04-11 18:12:33 +0000 | [diff] [blame] | 2 | * Licensed to the Apache Software Foundation (ASF) under one |
| 3 | * or more contributor license agreements. See the NOTICE file |
| 4 | * distributed with this work for additional information |
| 5 | * regarding copyright ownership. The ASF licenses this file |
| 6 | * to you under the Apache License, Version 2.0 (the |
| 7 | * "License"); you may not use this file except in compliance |
| 8 | * with the License. You may obtain a copy of the License at |
| 9 | * |
| 10 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 11 | * |
| 12 | * Unless required by applicable law or agreed to in writing, |
| 13 | * software distributed under the License is distributed on an |
| 14 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| 15 | * KIND, either express or implied. See the License for the |
| 16 | * specific language governing permissions and limitations |
| 17 | * under the License. |
| 18 | */ |
| 19 | package org.apache.felix.cm.impl; |
| 20 | |
| 21 | |
| 22 | import java.io.IOException; |
| 23 | import java.util.Dictionary; |
| 24 | import java.util.HashSet; |
| 25 | import java.util.Hashtable; |
| 26 | import java.util.Set; |
| 27 | |
| 28 | import org.apache.felix.cm.PersistenceManager; |
Felix Meschberger | add2b4a | 2007-04-11 18:12:33 +0000 | [diff] [blame] | 29 | |
| 30 | |
| 31 | /** |
Felix Meschberger | e2ca833 | 2007-06-06 06:27:31 +0000 | [diff] [blame] | 32 | * The <code>Factory</code> class is used to manage mappings between factory |
| 33 | * PIDs the configuration PID belonging to it. |
Felix Meschberger | add2b4a | 2007-04-11 18:12:33 +0000 | [diff] [blame] | 34 | */ |
Felix Meschberger | ef47004 | 2009-08-19 05:52:41 +0000 | [diff] [blame] | 35 | class Factory extends ConfigurationBase |
Felix Meschberger | add2b4a | 2007-04-11 18:12:33 +0000 | [diff] [blame] | 36 | { |
| 37 | |
Felix Meschberger | e2ca833 | 2007-06-06 06:27:31 +0000 | [diff] [blame] | 38 | public static final String FACTORY_PID = "factory.pid"; |
| 39 | |
Felix Meschberger | add2b4a | 2007-04-11 18:12:33 +0000 | [diff] [blame] | 40 | public static final String FACTORY_PID_LIST = "factory.pidList"; |
| 41 | |
Felix Meschberger | add2b4a | 2007-04-11 18:12:33 +0000 | [diff] [blame] | 42 | // the set of configuration PIDs belonging to this factory |
Felix Meschberger | ef47004 | 2009-08-19 05:52:41 +0000 | [diff] [blame] | 43 | private final Set pids = new HashSet();; |
Felix Meschberger | add2b4a | 2007-04-11 18:12:33 +0000 | [diff] [blame] | 44 | |
| 45 | |
| 46 | static boolean exists( PersistenceManager persistenceManager, String factoryPid ) |
| 47 | { |
| 48 | return persistenceManager.exists( factoryPidToIdentifier( factoryPid ) ); |
| 49 | } |
| 50 | |
| 51 | |
Felix Meschberger | 3f9e4da | 2009-08-17 07:52:39 +0000 | [diff] [blame] | 52 | static Factory load( ConfigurationManager configurationManager, PersistenceManager persistenceManager, |
| 53 | String factoryPid ) throws IOException |
Felix Meschberger | add2b4a | 2007-04-11 18:12:33 +0000 | [diff] [blame] | 54 | { |
| 55 | Dictionary dict = persistenceManager.load( factoryPidToIdentifier( factoryPid ) ); |
Felix Meschberger | 3f9e4da | 2009-08-17 07:52:39 +0000 | [diff] [blame] | 56 | return new Factory( configurationManager, persistenceManager, factoryPid, dict ); |
Felix Meschberger | e2ca833 | 2007-06-06 06:27:31 +0000 | [diff] [blame] | 57 | } |
| 58 | |
| 59 | |
Felix Meschberger | add2b4a | 2007-04-11 18:12:33 +0000 | [diff] [blame] | 60 | private static String factoryPidToIdentifier( String factoryPid ) |
| 61 | { |
| 62 | return factoryPid + ".factory"; |
| 63 | } |
| 64 | |
| 65 | |
Felix Meschberger | 3f9e4da | 2009-08-17 07:52:39 +0000 | [diff] [blame] | 66 | Factory( ConfigurationManager configurationManager, PersistenceManager persistenceManager, String factoryPid ) |
Felix Meschberger | add2b4a | 2007-04-11 18:12:33 +0000 | [diff] [blame] | 67 | { |
Felix Meschberger | 007c50e | 2011-10-20 12:39:38 +0000 | [diff] [blame^] | 68 | super( configurationManager, persistenceManager, factoryPid ); |
Felix Meschberger | add2b4a | 2007-04-11 18:12:33 +0000 | [diff] [blame] | 69 | } |
| 70 | |
| 71 | |
Felix Meschberger | 007c50e | 2011-10-20 12:39:38 +0000 | [diff] [blame^] | 72 | Factory( ConfigurationManager configurationManager, PersistenceManager persistenceManager, String factoryPid, |
| 73 | Dictionary props ) |
Felix Meschberger | add2b4a | 2007-04-11 18:12:33 +0000 | [diff] [blame] | 74 | { |
Felix Meschberger | 007c50e | 2011-10-20 12:39:38 +0000 | [diff] [blame^] | 75 | super( configurationManager, persistenceManager, factoryPid ); |
Felix Meschberger | add2b4a | 2007-04-11 18:12:33 +0000 | [diff] [blame] | 76 | |
| 77 | // set pids |
| 78 | String[] pidList = ( String[] ) props.get( FACTORY_PID_LIST ); |
| 79 | if ( pidList != null ) |
| 80 | { |
| 81 | for ( int i = 0; i < pidList.length; i++ ) |
| 82 | { |
Carsten Ziegeler | eb80d51 | 2007-08-15 11:17:41 +0000 | [diff] [blame] | 83 | pids.add( pidList[i] ); |
Felix Meschberger | add2b4a | 2007-04-11 18:12:33 +0000 | [diff] [blame] | 84 | } |
| 85 | } |
| 86 | } |
| 87 | |
| 88 | |
Felix Meschberger | add2b4a | 2007-04-11 18:12:33 +0000 | [diff] [blame] | 89 | String getFactoryPid() |
| 90 | { |
Felix Meschberger | ef47004 | 2009-08-19 05:52:41 +0000 | [diff] [blame] | 91 | return getBaseId(); |
Felix Meschberger | add2b4a | 2007-04-11 18:12:33 +0000 | [diff] [blame] | 92 | } |
| 93 | |
| 94 | |
| 95 | Set getPIDs() |
| 96 | { |
Carsten Ziegeler | eb80d51 | 2007-08-15 11:17:41 +0000 | [diff] [blame] | 97 | return new HashSet( pids ); |
Felix Meschberger | add2b4a | 2007-04-11 18:12:33 +0000 | [diff] [blame] | 98 | } |
| 99 | |
| 100 | |
| 101 | boolean addPID( String pid ) |
| 102 | { |
Carsten Ziegeler | eb80d51 | 2007-08-15 11:17:41 +0000 | [diff] [blame] | 103 | return pids.add( pid ); |
Felix Meschberger | add2b4a | 2007-04-11 18:12:33 +0000 | [diff] [blame] | 104 | } |
| 105 | |
| 106 | |
| 107 | boolean removePID( String pid ) |
| 108 | { |
Carsten Ziegeler | eb80d51 | 2007-08-15 11:17:41 +0000 | [diff] [blame] | 109 | return pids.remove( pid ); |
Felix Meschberger | add2b4a | 2007-04-11 18:12:33 +0000 | [diff] [blame] | 110 | } |
| 111 | |
| 112 | |
| 113 | void store() throws IOException |
| 114 | { |
| 115 | Hashtable props = new Hashtable(); |
| 116 | |
Carsten Ziegeler | eb80d51 | 2007-08-15 11:17:41 +0000 | [diff] [blame] | 117 | if ( !pids.isEmpty() ) |
Felix Meschberger | add2b4a | 2007-04-11 18:12:33 +0000 | [diff] [blame] | 118 | { |
Carsten Ziegeler | eb80d51 | 2007-08-15 11:17:41 +0000 | [diff] [blame] | 119 | props.put( FACTORY_PID_LIST, pids.toArray( new String[pids.size()] ) ); |
Felix Meschberger | add2b4a | 2007-04-11 18:12:33 +0000 | [diff] [blame] | 120 | } |
| 121 | |
Carsten Ziegeler | 6c6f25b | 2007-08-15 10:04:02 +0000 | [diff] [blame] | 122 | String id = factoryPidToIdentifier( this.getFactoryPid() ); |
Felix Meschberger | add2b4a | 2007-04-11 18:12:33 +0000 | [diff] [blame] | 123 | if ( props.isEmpty() ) |
| 124 | { |
Felix Meschberger | ef47004 | 2009-08-19 05:52:41 +0000 | [diff] [blame] | 125 | getPersistenceManager().delete( id ); |
Felix Meschberger | add2b4a | 2007-04-11 18:12:33 +0000 | [diff] [blame] | 126 | } |
| 127 | else |
| 128 | { |
Carsten Ziegeler | 6c6f25b | 2007-08-15 10:04:02 +0000 | [diff] [blame] | 129 | props.put( FACTORY_PID, this.getFactoryPid() ); |
Felix Meschberger | ef47004 | 2009-08-19 05:52:41 +0000 | [diff] [blame] | 130 | getPersistenceManager().store( id, props ); |
Felix Meschberger | add2b4a | 2007-04-11 18:12:33 +0000 | [diff] [blame] | 131 | } |
| 132 | } |
| 133 | } |