public Object execute()

in tools/shell-dev-commands/src/main/java/org/apache/unomi/shell/commands/DeploymentCommandSupport.java [105:203]
86 lines of code
20 McCabe index (conditional complexity)

    public Object execute() throws Exception {
        List<Bundle> bundlesToUpdate;
        if ("*".equals(definitionType)) {
            definitionType = ALL_OPTION_LABEL;
        }
        if ("*".equals(fileName)) {
            fileName = ALL_OPTION_LABEL;
        }
        if (bundleIdentifier == null) {
            List<Bundle> bundles = new ArrayList<>();
            for (Bundle bundle : bundleContext.getBundles()) {
                if (bundle.findEntries("META-INF/cxs/", "*.json", true) != null) {
                    bundles.add(bundle);
                }
            }

            bundles = bundles.stream()
                    .filter(b -> definitionTypes.stream().anyMatch((t) -> b.findEntries(getDefinitionTypePath(t), "*.json", true) != null))
                    .collect(Collectors.toList());

            List<String> bundleSymbolicNames = bundles.stream().map(Bundle::getSymbolicName).collect(Collectors.toList());
            bundleSymbolicNames.add(ALL_OPTION_LABEL);

            String bundleAnswer = askUserWithAuthorizedAnswer(session, "Which bundle ?" + getValuesWithNumber(bundleSymbolicNames) + "\n",
                    IntStream.range(1,bundleSymbolicNames.size()+1).mapToObj(Integer::toString).collect(Collectors.toList()));
            String selectedBundle = bundleSymbolicNames.get(new Integer(bundleAnswer)-1);
            if (selectedBundle.equals(ALL_OPTION_LABEL)) {
                bundlesToUpdate = bundles;
            } else {
                bundlesToUpdate = Collections.singletonList(bundles.get(new Integer(bundleAnswer) - 1));
            }
        } else {
            Bundle bundle = bundleContext.getBundle(bundleIdentifier);

            if (bundle == null) {
                System.out.println("Couldn't find a bundle with id: " + bundleIdentifier);
                return null;
            }

            bundlesToUpdate = Collections.singletonList(bundle);
        }

        if (definitionType == null) {
            List<String> possibleDefinitionNames = definitionTypes.stream().filter((t) -> bundlesToUpdate.stream().anyMatch(b->b.findEntries(getDefinitionTypePath(t), "*.json", true) != null)).collect(Collectors.toList());
            possibleDefinitionNames.add(ALL_OPTION_LABEL);

            if (possibleDefinitionNames.isEmpty()) {
                System.out.println("Couldn't find definitions in bundle : " + bundlesToUpdate);
                return null;
            }

            String definitionTypeAnswer = askUserWithAuthorizedAnswer(session, "Which kind of definition do you want to load?" + getValuesWithNumber(possibleDefinitionNames) + "\n",
                    IntStream.range(1,possibleDefinitionNames.size()+1).mapToObj(Integer::toString).collect(Collectors.toList()));
            definitionType = possibleDefinitionNames.get(new Integer(definitionTypeAnswer)-1);
        }

        if (!definitionTypes.contains(definitionType) && !ALL_OPTION_LABEL.equals(definitionType)) {
            System.out.println("Invalid type '" + definitionType + "' , allowed values : " +definitionTypes);
            return null;
        }

        String definitionTypePath = getDefinitionTypePath(definitionType);
        List<URL> definitionTypeURLs = bundlesToUpdate.stream().flatMap(b->b.findEntries(definitionTypePath, "*.json", true) != null ? Collections.list(b.findEntries(definitionTypePath, "*.json", true)).stream() : Stream.empty()).collect(Collectors.toList());
        if (definitionTypeURLs.isEmpty()) {
            System.out.println("Couldn't find definitions in bundle with id: " + bundleIdentifier + " and definition path: " + definitionTypePath);
            return null;
        }

        if (fileName == null) {
            List<String> definitionTypeFileNames = definitionTypeURLs.stream().map(u -> StringUtils.substringAfterLast(u.getFile(), "/")).sorted().collect(Collectors.toList());
            definitionTypeFileNames.add(ALL_OPTION_LABEL);
            String fileNameAnswer = askUserWithAuthorizedAnswer(session, "Which file do you want to load ?" + getValuesWithNumber(definitionTypeFileNames) + "\n",
                    IntStream.range(1,definitionTypeFileNames.size()+1).mapToObj(Integer::toString).collect(Collectors.toList()));
            fileName = definitionTypeFileNames.get(new Integer(fileNameAnswer)-1);
        }
        if (ALL_OPTION_LABEL.equals(fileName)) {
            for (URL url : definitionTypeURLs) {
                processDefinition(definitionType, url);
            }
        } else {
            if (!fileName.contains("/")) {
                fileName = "/" + fileName;
            }
            if (!fileName.endsWith(".json")) {
                fileName += ".json";
            }

            Optional<URL> optionalURL = definitionTypeURLs.stream().filter(u -> u.getFile().endsWith(fileName)).findFirst();
            if (optionalURL.isPresent()) {
                URL url = optionalURL.get();
                processDefinition(definitionType, url);
            } else {
                System.out.println("Couldn't find file " + fileName);
                return null;
            }
        }

        return null;
    }