private IStatus resolveFeatures()

in plugins/org.apache.karaf.eik.ui/src/main/java/org/apache/karaf/eik/ui/features/FeaturesResolverJob.java [97:176]
61 lines of code
12 McCabe index (conditional complexity)

    private IStatus resolveFeatures(final IProgressMonitor monitor) {
        monitor.beginTask("Loading Karaf Features", featuresSection.getRepositoryList().size());
        try {

            for (final String repository : featuresSection.getRepositoryList()) {

                if (monitor.isCanceled()) {
                    return Status.CANCEL_STATUS;
                }

                try {
                    // Begin: Refactor this out in to an OPS4j mvn URL configuration
                    final Properties mvnConfiguration =
                            KarafCorePluginUtils.loadProperties(karafPlatformModel.getConfigurationDirectory().toFile(), ORG_OPS4J_PAX_URL_MVN_CFG);

                    final IKarafProject karafProject = (IKarafProject) karafPlatformModel.getAdapter(IKarafProject.class);
                    final Properties runtimeProperties = karafProject.getRuntimeProperties();

                    PropertyUtils.interpolateVariables(mvnConfiguration, runtimeProperties);

                    final String defaultRepos = (String) mvnConfiguration.get("org.ops4j.pax.url.mvn.defaultRepositories");
                    final String repos = (String) mvnConfiguration.get("org.ops4j.pax.url.mvn.repositories");

                    // In karaf-3.0.0, default repo may be null.
                    // First check if it's null an if not then add it to repo list
                    ArrayList<String> reposList = new ArrayList<String>();
                    if (defaultRepos != null)
                        reposList.add(defaultRepos);
                    if (repos != null)
                        reposList.add(repos);
                    final String combinedRepos = KarafCorePluginUtils.join(reposList, ",");

                    mvnConfiguration.put("org.ops4j.pax.url.mvn.repositories", removeInvalidSuffixes(combinedRepos));
                    // End: Refactor

                    final String repositoryName;
                    final InputStream stream;
                    if (repository.startsWith(FeaturesLabelProvider.MVN_URL_PREFIX)) {
                        final MvnURLConnectionFactory urlConnectionFactory = new MvnURLConnectionFactory(mvnConfiguration);
                        stream = urlConnectionFactory.create(new URL(repository)).getInputStream();

                        final String[] repositoryComponents = repository.split("/"); //$NON-NLS-1$
                        repositoryName = repositoryComponents[1] + "-" + repositoryComponents[2]; //$NON-NLS-1$
                    } else {
                        stream = new URL(repository).openStream();

                        repositoryName = repository;
                    }

                    final FeaturesRepository newRepo = new XmlFeaturesRepository(repositoryName, stream);
                    featuresRepositories.add(newRepo);

                    monitor.worked(1);

                } catch (final MalformedURLException e) {
                    if (monitor.isCanceled()) {
                        return Status.CANCEL_STATUS;
                    } else {
                        return new Status(IStatus.WARNING, KarafUIPluginActivator.PLUGIN_ID, "Unable determine location for Features repository: " + repository, e);
                    }
                } catch (final IOException e) {
                    if (monitor.isCanceled()) {
                        return Status.CANCEL_STATUS;
                    } else {
                        return new Status(IStatus.WARNING, KarafUIPluginActivator.PLUGIN_ID, "Unable load Features repository: " + repository, e);
                    }
                } catch (final CoreException e) {
                    if (monitor.isCanceled()) {
                        return Status.CANCEL_STATUS;
                    } else {
                        return new Status(IStatus.ERROR, KarafUIPluginActivator.PLUGIN_ID, "Unable load Features repository: " + repository, e);
                    }
                }
            }

            return Status.OK_STATUS;
        } finally {
            monitor.done();
        }
    }