| package org.apache.karaf.webconsole.karaf.feature; |
| |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| import org.osgi.framework.BundleContext; |
| import org.osgi.framework.InvalidSyntaxException; |
| import org.osgi.framework.ServiceReference; |
| import org.osgi.service.url.URLConstants; |
| import org.osgi.service.url.URLStreamHandlerService; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * Utility class to work with feature related tasks. |
| */ |
| public class FeatureUtil { |
| |
| private static Logger logger = LoggerFactory.getLogger(FeatureUtil.class); |
| |
| public static Set<String> getAllowedProtocols(BundleContext context) { |
| Set<String> protocols = new HashSet<String>(); |
| |
| try { |
| ServiceReference[] references = context.getAllServiceReferences(URLStreamHandlerService.class.getName(), |
| "(!(" + URLConstants.URL_HANDLER_PROTOCOL + "=*))"); |
| for (ServiceReference reference : references) { |
| Object property = reference.getProperty(URLConstants.URL_HANDLER_PROTOCOL); |
| if (property != null) { |
| protocols.add((String) property); |
| } |
| } |
| } catch (InvalidSyntaxException e) { |
| logger.error("Exception during scanning the services", e); |
| } |
| |
| return protocols; |
| } |
| |
| } |