| /* |
| * 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.internal.obr; |
| |
| |
| import org.apache.felix.webconsole.internal.BaseManagementPlugin; |
| import org.osgi.service.obr.RepositoryAdmin; |
| import org.osgi.util.tracker.ServiceTracker; |
| |
| |
| public class AbstractObrPlugin extends BaseManagementPlugin |
| { |
| |
| // track the optional installer service manually |
| private ServiceTracker repositoryAdmin; |
| |
| // marker indicating a special version to not install anything |
| protected static final String DONT_INSTALL_OPTION = "-"; |
| |
| protected RepositoryAdmin getRepositoryAdmin() |
| { |
| if ( repositoryAdmin == null ) |
| { |
| try |
| { |
| repositoryAdmin = new ServiceTracker( getBundleContext(), RepositoryAdmin.class.getName(), null ); |
| repositoryAdmin.open(); |
| } |
| catch ( Throwable t ) |
| { |
| // missing InstallerService class ?? |
| return null; |
| } |
| |
| } |
| |
| return ( RepositoryAdmin ) repositoryAdmin.getService(); |
| } |
| |
| } |