request.getLocale() == null ? Locale.ROOT : request.getLocale());
        runtime.registerData("labelTypeItems", labelTypeItems);
        runtime.registerData("displayLabelTypeItems", labelTypeItems != null && !labelTypeItems.isEmpty());

        Locale locale = ComponentUtil.getRequestManager().getUserLocale();
        if (locale == null) {
            locale = Locale.ENGLISH;
        }

## Testing locally with Traefik { #testing-locally-with-traefik }

You can easily run the experiment locally with a stripped path prefix using <a href="https://docs.traefik.io/" class="external-link" target="_blank">Traefik</a>.

    //                                                                       =============
    protected String resolveLabelIfNeeds(final MessageManager messageManager, final Locale locale, final String label) {
        return label.startsWith("labels.") ? messageManager.getMessage(locale, label) : label;
    }

    // ===================================================================================

import java.sql.SQLException;
import java.util.Locale;

import org.codelibs.core.misc.LocaleUtil;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;

/**
 * @author manhole
 */
public class SQLRuntimeExceptionTest {

    @Before
    public void setUp() throws Exception {
        LocaleUtil.setDefault(() -> Locale.JAPANESE);
    }

    @After

        private String sort = "score.desc";
        private int pageSize = 10;
        private int startPosition = 0;
        private SearchRequestType type = SearchRequestType.SEARCH;
        private Locale locale = Locale.ENGLISH;

        @Override
        public String getQuery() {
            return query;
        }

        public void setQuery(String query) {
            this.query = query;
        }

package org.codelibs.core.misc;

import java.util.Locale;

import junit.framework.TestCase;

/**
 * @author higa
 *
 */
public class LocaleUtilTest extends TestCase {

    /**
     * @throws Exception
     */
    public void testGetLocale() throws Exception {
        assertEquals("1", LocaleUtil.getDefault(), LocaleUtil.getLocale(null));
        assertEquals("2", Locale.JAPANESE, LocaleUtil.getLocale("ja"));

 */
package org.codelibs.core.text;

import java.util.Locale;

import junit.framework.TestCase;

/**
 * @author higa
 *
 */
public class DecimalFormatUtilTest extends TestCase {

    /**
     * @throws Exception
     */
    public void testNormalize() throws Exception {
        assertEquals("1", "1000.00", DecimalFormatUtil.normalize("1,000.00", Locale.JAPAN));

        //} catch (IllegalArgumentException ignored) { // not found
        //    return null; // handled later
        //}
    }

    @Override
    public OptionalThing<String> determineAlias(final Locale locale) {
        return OptionalObject.empty();
    }

import java.util.Calendar;
import java.util.Date;
import java.util.Locale;

import org.codelibs.core.misc.LocaleUtil;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;

/**
 * @author higa
 */
public class DateConversionUtilTest {

    @Before
    public void setUp() throws Exception {
        LocaleUtil.setDefault(() -> Locale.JAPANESE);
    }

    @After

     * @param name The name of the attribute.
     * @return The attribute.
     */
    public abstract Object getAttribute(String name);

    /**
     * Returns the locale.
     *
     * @return The locale.
     */
    public abstract Locale getLocale();

    /**
     * Returns the search request type.
     *
     * @return The search request type.
     */
    public abstract SearchRequestType getType();