| /* |
| * Licensed 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.karaf.cellar.features; |
| |
| import org.apache.karaf.cellar.core.CellarSupport; |
| import org.apache.karaf.cellar.core.Configurations; |
| import org.apache.karaf.cellar.core.Group; |
| import org.apache.karaf.cellar.core.event.EventType; |
| import org.apache.karaf.features.Feature; |
| import org.apache.karaf.features.FeaturesService; |
| import org.apache.karaf.features.Repository; |
| import org.osgi.framework.BundleContext; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.net.URI; |
| import java.util.Map; |
| |
| /** |
| * Generic features support. |
| */ |
| public class FeaturesSupport extends CellarSupport { |
| |
| private static final transient Logger LOGGER = LoggerFactory.getLogger(FeaturesSupport.class); |
| |
| protected FeaturesService featuresService; |
| |
| public void init(BundleContext bundleContext) { |
| // nothing to do |
| } |
| |
| public void destroy() { |
| // nothing to do |
| } |
| |
| /** |
| * Check if a feature is already installed locally. |
| * |
| * @param name the feature name. |
| * @param version the feature version. |
| * @return true if the feature is already installed locally, false else. |
| */ |
| public Boolean isFeatureInstalledLocally(String name, String version) { |
| if (featuresService != null) { |
| try { |
| Feature[] localFeatures = featuresService.listInstalledFeatures(); |
| |
| if (localFeatures != null && localFeatures.length > 0) { |
| for (Feature localFeature : localFeatures) { |
| if (localFeature.getName().equals(name) && (localFeature.getVersion().equals(version) || version == null)) |
| return true; |
| } |
| } |
| } catch (Exception e) { |
| LOGGER.warn("CELLAR FEATURES: can't check if the feature {}/{} is installed locally", name, version, e); |
| } |
| } |
| return false; |
| } |
| |
| /** |
| * Check if a features repository is already registered locally. |
| * |
| * @param uri the features repository URI. |
| * @return true if the features repository is already registered locally, false else. |
| */ |
| public Boolean isRepositoryRegisteredLocally(String uri) { |
| try { |
| Repository[] localRepositories = featuresService.listRepositories(); |
| for (Repository localRepository : localRepositories) { |
| if (localRepository.getURI().toString().equals(uri)) { |
| return true; |
| } |
| } |
| } catch (Exception e) { |
| LOGGER.warn("CELLAR FEATURES: can't check if the feature repository {} is registered locally", uri, e); |
| } |
| return false; |
| } |
| |
| public FeaturesService getFeaturesService() { |
| return featuresService; |
| } |
| |
| public void setFeaturesService(FeaturesService featuresService) { |
| this.featuresService = featuresService; |
| } |
| |
| } |