private void readCapabilities()

in src/main/java/org/apache/sling/feature/io/json/FeatureJSONReader.java [613:639]
23 lines of code
6 McCabe index (conditional complexity)

    private void readCapabilities(final JsonObject json, final List<Capability> container) throws IOException {
        if ( json.containsKey(JSONConstants.FEATURE_CAPABILITIES)) {
            for(final JsonValue cap : checkTypeArray(JSONConstants.FEATURE_REQUIREMENTS, json.get(JSONConstants.FEATURE_CAPABILITIES))) {
                final JsonObject obj = checkTypeObject("Capability", cap);

                if ( !obj.containsKey(JSONConstants.REQCAP_NAMESPACE) ) {
                    throw new IOException(this.exceptionPrefix.concat("Namespace is missing for capability"));
                }
                final String namespace = checkTypeString("Capability namespace", obj.get(JSONConstants.REQCAP_NAMESPACE));

                Map<String, Object> attrMap = new HashMap<>();
                if ( obj.containsKey(JSONConstants.REQCAP_ATTRIBUTES) ) {
                    final JsonObject attrs = checkTypeObject("Capability attributes", obj.get(JSONConstants.REQCAP_ATTRIBUTES));
                    attrs.forEach(rethrowBiConsumer((key, value) -> ManifestUtils.unmarshalAttribute(key, value, attrMap::put)));
                }

                Map<String, String> dirMap = new HashMap<>();
                if ( obj.containsKey(JSONConstants.REQCAP_DIRECTIVES) ) {
                    final JsonObject dirs = checkTypeObject("Capability directives", obj.get(JSONConstants.REQCAP_DIRECTIVES));
                    dirs.forEach(rethrowBiConsumer((key, value) -> ManifestUtils.unmarshalDirective(key, value, dirMap::put)));
                }

                final Capability c = new CapabilityImpl(null, namespace, dirMap, attrMap);
                container.add(c);
            }
        }
    }