public void metadataInvalid(RepositoryEvent event) {
        Exception exception = event.getException();

        Object metadata;
        if (event.getMetadata().getFile() != null) {
            metadata = event.getMetadata().getFile();
        } else {
            metadata = event.getMetadata();
        }

        String errorType = " is invalid";
        if (exception instanceof FileNotFoundException) {

        this.metadata.merge(repoMetadata.getMetadata());
    }

    public void merge(ArtifactMetadata metadata) {
        // TODO not sure that it should assume this, maybe the calls to addMetadata should pre-merge, then artifact
        // replaces?
        AbstractRepositoryMetadata repoMetadata = (AbstractRepositoryMetadata) metadata;
        this.metadata.merge(repoMetadata.getMetadata());
    }

            StringBuilder signature = new StringBuilder();
            signature.append("(");
            for (int i = 0; i < methodDoc.getMetaData().getParameters().size(); i++) {
                if (i > 0) {
                    signature.append(", ");
                }
                signature.append(methodDoc.getMetaData().getParameters().get(i).getName());
            }
            signature.append(")");

                if (property != null && method.getParameters().size() == 1 && method.getParameters().get(0).getType().getSignature().equals(Closure.class.getName())) {
                    TypeMetaData type = property.getMetaData().getType();
                    if (type.getName().equals("java.util.List")
                            || type.getName().equals("java.util.Collection")
                            || type.getName().equals("java.util.Set")

     */
    public void build(ClassDoc classDoc) {
        for (PropertyDoc propertyDoc : classDoc.getClassProperties()) {
            String referencedType = propertyDoc.getMetaData().getType().getName();
            if (!referencedType.equals(classDoc.getName())) {
                model.findClassDoc(referencedType);
            }
        }
    }

        LocalMetadataResult result = new LocalMetadataResult(request);

        String path;

        Metadata metadata = request.getMetadata();
        String context = request.getContext();
        RemoteRepository remote = request.getRepository();

        if (remote != null) {
            path = getPathForRemoteMetadata(metadata, remote, context);

        LocalMetadataResult result = new LocalMetadataResult(request);

        String path;

        Metadata metadata = request.getMetadata();
        String context = request.getContext();
        RemoteRepository remote = request.getRepository();

        if (remote != null) {
            path = getPathForRemoteMetadata(metadata, remote, context);

            List<MetadataResult> results,
            List<MetadataRequest> requests) {
        for (MetadataResult res : results) {
            org.eclipse.aether.metadata.Metadata metadata = res.getMetadata();

            if (metadata != null) {
                ArtifactRepository repository = res.getRequest().getRepository();
                if (repository == null) {

        }

        return result;
    }

    public LocalMetadataResult find(RepositorySystemSession session, LocalMetadataRequest request) {
        Metadata metadata = request.getMetadata();

        String path;
        if (request.getRepository() == null) {
            path = getPathForLocalMetadata(metadata);
        } else {

        addPluginMapping(goalPrefix, artifactId, artifactId);
    }

    public void addPluginMapping(String goalPrefix, String artifactId, String name) {
        List<Plugin> plugins = getMetadata().getPlugins();
        boolean found = false;
        for (Iterator<Plugin> i = plugins.iterator(); i.hasNext() && !found; ) {
            Plugin plugin = i.next();
            if (plugin.getPrefix().equals(goalPrefix)) {