//
    // Internal
    //

    private <T> List<T> initList(final List<T> l) {
        if (l == null) {
            return new ArrayList<>();
        }
        return l;
    }

    @Override
    public String toString() {
        if (artifacts == null) {
            return "";
        }
        StringBuilder sb = new StringBuilder(256);
        int i = 1;
        sb.append("---------\n");

# Custom Request and APIRoute class { #custom-request-and-apiroute-class }

In some cases, you may want to override the logic used by the `Request` and `APIRoute` classes.

In particular, this may be a good alternative to logic in a middleware.

For example, if you want to read or manipulate the request body before it is processed by your application.

/// danger

This is an "advanced" feature.

    private static final char HANKAKU_KATAKANA_FIRST_CHAR = HANKAKU_KATAKANA[0];

    private static final char HANKAKU_KATAKANA_LAST_CHAR = HANKAKU_KATAKANA[HANKAKU_KATAKANA.length - 1];

    @Override
    public String normalize(final String s, final String field, final String... langs) {
        if (s.length() == 0) {
            return s;
        }
        if (s.length() == 1) {

import org.codelibs.fess.util.ComponentUtil;

/**
 * @author FreeGen
 */
public class BadWordBhv extends BsBadWordBhv {
    private String indexName = null;

    @Override
    protected String asEsIndex() {
        if (indexName == null) {
            final String name = ComponentUtil.getFessConfig().getIndexConfigIndex();

import org.codelibs.fess.util.ComponentUtil;

/**
 * @author FreeGen
 */
public class FailureUrlBhv extends BsFailureUrlBhv {
    private String indexName = null;

    @Override
    protected String asEsIndex() {
        if (indexName == null) {
            final String name = ComponentUtil.getFessConfig().getIndexConfigIndex();

import org.codelibs.fess.util.ComponentUtil;

/**
 * @author FreeGen
 */
public class FileAuthenticationBhv extends BsFileAuthenticationBhv {
    private String indexName = null;

    @Override
    protected String asEsIndex() {
        if (indexName == null) {
            final String name = ComponentUtil.getFessConfig().getIndexConfigIndex();

import org.codelibs.fess.util.ComponentUtil;

/**
 * @author FreeGen
 */
public class RelatedContentBhv extends BsRelatedContentBhv {
    private String indexName = null;

    @Override
    protected String asEsIndex() {
        if (indexName == null) {
            final String name = ComponentUtil.getFessConfig().getIndexConfigIndex();

import org.codelibs.fess.util.ComponentUtil;

/**
 * @author FreeGen
 */
public class ThumbnailQueueBhv extends BsThumbnailQueueBhv {
    private String indexName = null;

    @Override
    protected String asEsIndex() {
        if (indexName == null) {
            final String name = ComponentUtil.getFessConfig().getIndexConfigIndex();

import org.codelibs.fess.util.ComponentUtil;

/**
 * @author FreeGen
 */
public class WebAuthenticationBhv extends BsWebAuthenticationBhv {
    private String indexName = null;

    @Override
    protected String asEsIndex() {
        if (indexName == null) {
            final String name = ComponentUtil.getFessConfig().getIndexConfigIndex();

 */
public interface QueryLogReader extends Closeable {
    /**
     * Reads a query log.
     * @return The query log.
     */
    QueryLog read();

    @Override
    void close();