public Object doExecute()

in bundle/src/main/java/org/apache/karaf/cellar/bundle/shell/BlockCommand.java [43:142]
89 lines of code
24 McCabe index (conditional complexity)

    public Object doExecute() throws Exception {

        Group group = groupManager.findGroupByName(groupName);
        if (group == null) {
            System.err.println("Cluster group " + groupName + " doesn't exist");
            return null;
        }

        List<String> patterns = new ArrayList<String>();

        ClassLoader originalClassLoader = Thread.currentThread().getContextClassLoader();
        Thread.currentThread().setContextClassLoader(getClass().getClassLoader());

        try {
            Map<String, ExtendedBundleState> bundles = gatherBundles(false);
            List<String> selectedBundles = selector(bundles);
            for (String selectedBundle : selectedBundles) {
                patterns.add(bundles.get(selectedBundle).getLocation());
            }

            if (patterns.isEmpty() && ids != null) {
                for (String id : ids) {
                    patterns.add(id);
                }
            }

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

            if (!in && !out) {
                in = true;
                out = true;
            }
            if (!whitelist && !blacklist) {
                whitelist = true;
                blacklist = true;
            }

            if (patterns.isEmpty()) {
                // display mode
                if (in) {
                    System.out.println("INBOUND:");
                    if (whitelist) {
                        System.out.print("\twhitelist: ");
                        Set<String> list = support.getListEntries(Configurations.WHITELIST, groupName, Constants.CATEGORY, EventType.INBOUND);
                        System.out.println(list.toString());
                    }
                    if (blacklist) {
                        System.out.print("\tblacklist: ");
                        Set<String> list = support.getListEntries(Configurations.BLACKLIST, groupName, Constants.CATEGORY, EventType.INBOUND);
                        System.out.println(list.toString());
                    }
                }
                if (out) {
                    System.out.println("OUTBOUND:");
                    if (whitelist) {
                        System.out.print("\twhitelist: ");
                        Set<String> list = support.getListEntries(Configurations.WHITELIST, groupName, Constants.CATEGORY, EventType.OUTBOUND);
                        System.out.println(list.toString());
                    }
                    if (blacklist) {
                        System.out.print("\tblacklist: ");
                        Set<String> list = support.getListEntries(Configurations.BLACKLIST, groupName, Constants.CATEGORY, EventType.OUTBOUND);
                        System.out.println(list.toString());
                    }
                }
            } else {
                // edit mode
                for (String pattern : patterns) {
                    System.out.println("Updating blocking policy for " + pattern);
                    if (in) {
                        if (whitelist) {
                            System.out.println("\tinbound whitelist ...");
                            support.switchListEntry(Configurations.WHITELIST, groupName, Constants.CATEGORY, EventType.INBOUND, pattern);
                        }
                        if (blacklist) {
                            System.out.println("\tinbound blacklist ...");
                            support.switchListEntry(Configurations.BLACKLIST, groupName, Constants.CATEGORY, EventType.INBOUND, pattern);
                        }
                    }
                    if (out) {
                        if (whitelist) {
                            System.out.println("\toutbound whitelist ...");
                            support.switchListEntry(Configurations.WHITELIST, groupName, Constants.CATEGORY, EventType.OUTBOUND, pattern);
                        }
                        if (blacklist) {
                            System.out.println("\toutbound blacklist ...");
                            support.switchListEntry(Configurations.BLACKLIST, groupName, Constants.CATEGORY, EventType.OUTBOUND, pattern);
                        }
                    }
                }
            }
        } finally {
            Thread.currentThread().setContextClassLoader(originalClassLoader);
        }

        return null;
    }