Pierre De Rop | 13dd63d | 2010-05-23 21:58:28 +0000 | [diff] [blame] | 1 | /* |
| 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.dm.impl; |
| 20 | |
| 21 | import java.util.Enumeration; |
| 22 | import java.util.List; |
| 23 | import java.util.Properties; |
| 24 | |
| 25 | import org.apache.felix.dm.DependencyManager; |
Marcel Offermans | b1959f4 | 2010-07-01 12:23:51 +0000 | [diff] [blame] | 26 | import org.apache.felix.dm.dependencies.Dependency; |
Pierre De Rop | 13dd63d | 2010-05-23 21:58:28 +0000 | [diff] [blame] | 27 | import org.apache.felix.dm.service.Service; |
| 28 | import org.apache.felix.dm.service.ServiceStateListener; |
| 29 | import org.osgi.framework.Bundle; |
| 30 | |
| 31 | /** |
| 32 | * Bundle Adapter Service implementation. This class extends the FilterService in order to catch |
| 33 | * some Service methods for configuring actual adapter service implementation. |
| 34 | */ |
| 35 | public class BundleAdapterServiceImpl extends FilterService |
| 36 | { |
| 37 | /** |
| 38 | * Creates a new Bundle Adapter Service implementation. |
| 39 | */ |
| 40 | public BundleAdapterServiceImpl(DependencyManager dm, int bundleStateMask, String bundleFilter, boolean propagate) |
| 41 | { |
| 42 | super(dm.createService()); // This service will be filtered by our super class, allowing us to take control. |
| 43 | m_service.setImplementation(new BundleAdapterImpl(bundleStateMask, bundleFilter, propagate)) |
| 44 | .add(dm.createBundleDependency() |
| 45 | .setFilter(bundleFilter) |
| 46 | .setStateMask(bundleStateMask) |
| 47 | .setCallbacks("added", "removed")); |
| 48 | } |
| 49 | |
| 50 | public class BundleAdapterImpl extends AbstractDecorator { |
| 51 | private final boolean m_propagate; |
| 52 | private final int m_bundleStateMask; |
| 53 | private final String m_bundleFilter; |
| 54 | |
| 55 | public BundleAdapterImpl(int bundleStateMask, String bundleFilter, boolean propagate) { |
| 56 | m_bundleStateMask = bundleStateMask; |
| 57 | m_bundleFilter = bundleFilter; |
| 58 | m_propagate = propagate; |
| 59 | } |
| 60 | |
| 61 | public Service createService(Object[] properties) { |
| 62 | Bundle bundle = (Bundle) properties[0]; |
| 63 | Properties props = new Properties(); |
| 64 | if (m_serviceProperties != null) { |
| 65 | Enumeration e = m_serviceProperties.keys(); |
| 66 | while (e.hasMoreElements()) { |
| 67 | Object key = e.nextElement(); |
| 68 | props.put(key, m_serviceProperties.get(key)); |
| 69 | } |
| 70 | } |
| 71 | List dependencies = m_service.getDependencies(); |
| 72 | // the first dependency is always the dependency on the bundle, which |
| 73 | // will be replaced with a more specific dependency below |
| 74 | dependencies.remove(0); |
| 75 | Service service = m_manager.createService() |
| 76 | .setInterface(m_serviceInterfaces, props) |
| 77 | .setImplementation(m_serviceImpl) |
| 78 | .setFactory(m_factory, m_factoryCreateMethod) // if not set, no effect |
| 79 | .setComposition(m_compositionInstance, m_compositionMethod) // if not set, no effect |
| 80 | .setCallbacks(m_callbackObject, m_init, m_start, m_stop, m_destroy) // if not set, no effect |
Pierre De Rop | 13dd63d | 2010-05-23 21:58:28 +0000 | [diff] [blame] | 81 | .add(m_manager.createBundleDependency() |
| 82 | .setBundle(bundle) |
Marcel Offermans | b1959f4 | 2010-07-01 12:23:51 +0000 | [diff] [blame] | 83 | .setStateMask(m_bundleStateMask) |
Pierre De Rop | 13dd63d | 2010-05-23 21:58:28 +0000 | [diff] [blame] | 84 | .setPropagate(m_propagate) |
| 85 | .setCallbacks(null, "changed", null) |
| 86 | .setAutoConfig(true) |
| 87 | .setRequired(true)); |
Marcel Offermans | b1959f4 | 2010-07-01 12:23:51 +0000 | [diff] [blame] | 88 | |
Marcel Offermans | e9c13d9 | 2010-07-01 14:01:02 +0000 | [diff] [blame^] | 89 | for (int i = 0; i < dependencies.size(); i++) { |
| 90 | service.add(((Dependency) dependencies.get(i)).createCopy()); |
Marcel Offermans | b1959f4 | 2010-07-01 12:23:51 +0000 | [diff] [blame] | 91 | } |
| 92 | |
Pierre De Rop | 13dd63d | 2010-05-23 21:58:28 +0000 | [diff] [blame] | 93 | for (int i = 0; i < m_stateListeners.size(); i ++) { |
| 94 | service.addStateListener((ServiceStateListener) m_stateListeners.get(i)); |
| 95 | } |
| 96 | return service; |
| 97 | } |
| 98 | } |
| 99 | } |