private Map transform()

in grails-forge-core/src/main/java/org/grails/forge/template/YamlTemplate.java [59:89]

• 30 lines of code
• 8 McCabe index (conditional complexity)

    private Map<String, Object> transform(Map<String, Object> config) {
        Map<String, Object> transformed = new LinkedHashMap<>();
        for (Map.Entry<String, Object> entry: config.entrySet()) {
            Map<String, Object> finalMap = transformed;
            String key = entry.getKey();
            Object value = entry.getValue();
            int index = key.indexOf('.');
            if (index != -1) {
                String[] keys = DOT_PATTERN.split(key);
                if (!keys[0].equals("micronaut") && config.keySet().stream().filter(k -> k.startsWith(keys[0] + ".")).count() == 1) {
                    finalMap.put(key, value);
                } else {
                    for (int i = 0; i < keys.length - 1; i++) {
                        String subKey = keys[i];

                        if (!finalMap.containsKey(subKey)) {
                            finalMap.put(subKey, new LinkedHashMap<>());
                        }
                        Object next = finalMap.get(subKey);
                        if (next instanceof Map) {
                            finalMap = ((Map<String, Object>) next);
                        }
                    }
                    finalMap.put(keys[keys.length - 1], value);
                }
            } else {
                finalMap.put(key, value);
            }
        }
        return transformed;
    }