protected void addEntry()

in log4j-audit/log4j-audit-api/src/main/java/org/apache/logging/log4j/audit/catalog/CatalogManagerImpl.java [158:200]
43 lines of code
13 McCabe index (conditional complexity)

    protected void addEntry(Map<String, Map<String, CatalogInfo>> map, Event event) {
        CatalogInfo info = new CatalogInfo();
        info.event = event;
        String catalogId = event.getCatalogId();
        if (catalogId != null && catalogId.length() > 0 && !map.containsKey(catalogId)) {
            map.put(catalogId, new HashMap<>());
        }
        List<String> required = new ArrayList<>();
        List<String> names = new ArrayList<>();
        info.attributes = new HashMap<>(names.size());
        if (event.getAttributes() != null) {
            for (EventAttribute eventAttribute : event.getAttributes()) {
                String name = eventAttribute.getName();
                Attribute attribute = getAttribute(name, event.getCatalogId());
                if (attribute != null) {
                    info.attributes.put(name, attribute);
                    if (name.indexOf('.') != -1) {
                        name = name.replaceAll("\\.", "");
                    }
                    if (name.indexOf('/') != -1) {
                        name = name.replaceAll("/", "");
                    }
                    if (attribute.isRequestContext()) {
                        if (attribute.isRequired()) {
                            if (name.startsWith(REQCTX)) {
                                name = name.substring(REQCTX.length());
                            }
                            required.add(name);
                        }
                    } else {
                        names.add(name);
                    }
                } else {
                    throw new IllegalStateException("Attribute " + name + " is not defined");
                }
            }
        }
        info.requiredContextAttributes = required;
        info.attributeNames = names;
        Map<String, CatalogInfo> catalogMap = catalogId == null ?
                map.get(DEFAULT_CATALOG) : map.get(catalogId);
        catalogMap.put(NamingUtils.getFieldName(event.getName()), info);
    }