if (this == obj) {
            return true;
        }
        if (obj == null) {
            return false;
        }

        if (!ArtifactModelSource.class.equals(obj.getClass())) {
            return false;
        }

        ArtifactModelSource other = (ArtifactModelSource) obj;
        return Objects.equals(artifactId, other.artifactId)

        if (this == obj) {
            return true;
        }

        if (obj == null) {
            return false;
        }

        if (!FileModelSource.class.equals(obj.getClass())) {
            return false;
        }
        FileModelSource other = (FileModelSource) obj;
        return getPath().equals(other.getPath());
    }

    @Override
    public int hashCode() {

        buffer.append(LS).append("GroupId: ").append(getGroupId());
        buffer.append(LS).append("ArtifactId: ").append(getArtifactId());
        buffer.append(LS).append("Metadata Type: ").append(getClass().getName());

        return buffer.toString();
    }

        }
        throw new InvalidQueryException(messages -> messages.addErrorsInvalidQueryUnknown(UserMessages.GLOBAL_PROPERTY_KEY),
                "Unknown q: " + query.getClass() + " => " + query);
    }

    protected QueryBuilder convertFuzzyQuery(final QueryContext context, final FuzzyQuery fuzzyQuery, final float boost) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();

        }
        throw new InvalidQueryException(messages -> messages.addErrorsInvalidQueryUnknown(UserMessages.GLOBAL_PROPERTY_KEY),
                "Unknown q: " + query.getClass() + " => " + query);
    }

    protected QueryBuilder convertPhraseQuery(final QueryContext context, final PhraseQuery phraseQuery, final float boost) {
        final Term[] terms = phraseQuery.getTerms();

  }

  private List<Class<?>> loadClassesInPackage() throws IOException {
    List<Class<?>> classes = Lists.newArrayList();
    String packageName = getClass().getPackage().getName();
    for (ClassPath.ClassInfo classInfo :
        ClassPath.from(getClass().getClassLoader()).getTopLevelClasses(packageName)) {
      Class<?> cls;
      try {
        cls = classInfo.load();
      } catch (NoClassDefFoundError e) {

    static final ClassOwnership JVM_BEHAVIOR = detectJvmBehavior();

    private static ClassOwnership detectJvmBehavior() {
      class LocalClass<T> {}
      Class<?> subclass = new LocalClass<String>() {}.getClass();
      // requireNonNull is safe because we're examining a type that's known to have a superclass.
      ParameterizedType parameterizedType =
          requireNonNull((ParameterizedType) subclass.getGenericSuperclass());

    protected List<DuplicateHost> duplicateHostList;

    @PostConstruct
    public void init() {
        if (logger.isDebugEnabled()) {
            logger.debug("Initialize {}", this.getClass().getSimpleName());
        }
        if (duplicateHostList == null) {
            duplicateHostList = new ArrayList<>();
        }

    private String getDefaultMappings() throws IOException {
        final StringBuilder mappingSource = new StringBuilder();
        try (BufferedReader br = new BufferedReader(new InputStreamReader(
                this.getClass().getClassLoader().getResourceAsStream("suggest_indices/suggest/mappings-default.json")))) {

            String line;
            while ((line = br.readLine()) != null) {
                mappingSource.append(line);

        final Artifact artifact = new Artifact(form.name, form.version, null);
        deleteArtifact(artifact);
        saveInfo(messages -> messages.addSuccessDeletePlugin(GLOBAL, artifact.getFileName()));
        return redirect(getClass());
    }

    @Execute
    @Secured({ ROLE })
    public HtmlResponse install(final InstallForm form) {
        validate(form, messages -> {}, () -> asHtml(path_AdminPlugin_AdminPluginInstallpluginJsp));