public void register()

in src/main/java/org/apache/sling/jcr/resource/internal/JcrListenerBaseConfig.java [79:111]

• 19 lines of code
• 3 McCabe index (conditional complexity)

    public void register(final @NotNull EventListener listener, final @NotNull ObserverConfiguration config) throws RepositoryException {
        final ObservationManager mgr = this.session.getWorkspace().getObservationManager();
        if (mgr instanceof JackrabbitObservationManager) {
            final OakEventFilter filter = FilterFactory.wrap(new JackrabbitEventFilter());
            // paths
            setFilterPaths(filter, config);

            // exclude paths
            final Set<String> excludePaths = config.getExcludedPaths().toStringSet();
            if (!excludePaths.isEmpty()) {
                filter.setExcludedPaths(excludePaths.toArray(new String[0]));
            }

            filter.setIsDeep(true);

            // external
            filter.setNoExternal(!config.includeExternal());

            // types
            filter.setEventTypes(getTypes(config));

            // nt:file handling
            filter.withNodeTypeAggregate(new String[]{"nt:file"}, new String[]{"", "jcr:content"});

            // ancestors remove
            filter.withIncludeAncestorsRemove();

            ((JackrabbitObservationManager) mgr).addEventListener(listener, filter);
        } else {
            throw new RepositoryException("Observation manager is not a JackrabbitObservationManager");
        }

    }