public TabularData getFeatures()

in features/src/main/java/org/apache/karaf/cellar/features/management/internal/CellarFeaturesMBeanImpl.java [267:328]
53 lines of code
17 McCabe index (conditional complexity)

    public TabularData getFeatures(String groupName) throws Exception {

        Group group = groupManager.findGroupByName(groupName);
        if (group == null) {
            throw new IllegalArgumentException("Cluster group " + groupName + " doesn't exist");
        }

        CellarSupport support = new CellarSupport();
        support.setClusterManager(clusterManager);
        support.setGroupManager(groupManager);
        support.setConfigurationAdmin(configurationAdmin);

        CompositeType featuresType = new CompositeType("Feature", "Karaf Cellar feature",
                new String[]{"name", "version", "installed", "located", "blocked"},
                new String[]{"Name of the feature", "Version of the feature", "Whether the feature is installed or not",
                        "Location of the feature (on the cluster or the local node)",
                        "Feature block policy"},
                new OpenType[]{SimpleType.STRING, SimpleType.STRING, SimpleType.BOOLEAN, SimpleType.STRING, SimpleType.STRING});

        TabularType tabularType = new TabularType("Features", "Table of all Karaf Cellar features",
                featuresType, new String[]{"name", "version"});
        TabularData table = new TabularDataSupport(tabularType);

        ClassLoader originalClassLoader = Thread.currentThread().getContextClassLoader();
        Thread.currentThread().setContextClassLoader(getClass().getClassLoader());
        try {
            Map<String, ExtendedFeatureState> features = gatherFeatures(groupName);
            if (features != null && !features.isEmpty()) {
                for (ExtendedFeatureState feature : features.values()) {

                    String located = "";
                    boolean cluster = feature.isCluster();
                    boolean local = feature.isLocal();
                    if (cluster && local)
                        located = "cluster/local";
                    if (cluster && !local)
                        located = "cluster";
                    if (local && !cluster)
                        located = "local";

                    String blocked = "";
                    boolean inbound = support.isAllowed(group, Constants.CATEGORY, feature.getName(), EventType.INBOUND);
                    boolean outbound = support.isAllowed(group, Constants.CATEGORY, feature.getName(), EventType.OUTBOUND);
                    if (!inbound && !outbound)
                        blocked = "in/out";
                    if (!inbound && outbound)
                        blocked = "in";
                    if (!outbound && inbound)
                        blocked = "out";

                    CompositeData data = new CompositeDataSupport(featuresType,
                            new String[]{"name", "version", "installed", "located", "blocked"},
                            new Object[]{feature.getName(), feature.getVersion(), feature.getInstalled(), located, blocked});
                    table.put(data);
                }
            }
        } finally {
            Thread.currentThread().setContextClassLoader(originalClassLoader);
        }

        return table;
    }