| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.felix.webconsole.plugins.ds.internal; |
| |
| import org.osgi.framework.Bundle; |
| import org.osgi.framework.BundleContext; |
| import org.osgi.util.tracker.ServiceTracker; |
| |
| public class ConfigurationSupport { |
| |
| private final ServiceTracker<Object, Object> configAdminTracker; |
| |
| private final ServiceTracker<Object, Object> metatypeTracker; |
| |
| public ConfigurationSupport(final BundleContext bundleContext) |
| { |
| this.configAdminTracker = new ServiceTracker<Object, Object>(bundleContext, "org.osgi.service.cm.ConfigurationAdmin", null); |
| this.metatypeTracker = new ServiceTracker<Object, Object>(bundleContext, "org.osgi.service.metatype.MetaTypeService", null); |
| |
| configAdminTracker.open(); |
| this.metatypeTracker.open(); |
| } |
| |
| public void close() |
| { |
| this.configAdminTracker.close(); |
| this.metatypeTracker.close(); |
| } |
| |
| /** |
| * Check if the component with the specified pid is |
| * configurable |
| * @param providingBundle The Bundle providing the component. This may be |
| * theoretically be <code>null</code>. |
| * @param pid A non null pid |
| * @return <code>true</code> if the component is configurable. |
| */ |
| public boolean isConfigurable(final Bundle providingBundle, final String pid) |
| { |
| // we first check if the config admin has something for this pid |
| final Object ca = this.configAdminTracker.getService(); |
| if (ca != null) |
| { |
| if ( new ConfigurationAdminSupport().check(ca, pid) ) |
| { |
| return true; |
| } |
| } |
| // second check is using the meta type service |
| if (providingBundle != null) |
| { |
| final Object mts = this.metatypeTracker.getService(); |
| if (mts != null) |
| { |
| return new MetatypeSupport().check(mts, providingBundle, pid); |
| } |
| } |
| return false; |
| } |
| } |