assertArgumentNotNull("clazz", clazz);

        if (!initialized) {
            initialize();
        }
        Logger logger = loggers.get(clazz);
        if (logger == null) {
            logger = new Logger(clazz);
            loggers.put(clazz, logger);
        }
        return logger;
    }

    /**
     * フォーマットされたメッセージ文字列を返します。
     *
     * @param messageCode

     */
    @Rule
    public ExpectedException exception = ExpectedException.none();

    private final Logger logger = Logger.getLogger(getClass());

    /**
     * @throws Exception
     */
    @Test
    public void testGetLogger() throws Exception {
        assertThat(Logger.getLogger(getClass()), is(sameInstance(Logger.getLogger(getClass()))));
    }

    /**
     * @throws Exception
     */
    @Test

    protected final Log logger;

    public JclLoggerAdapter(final Class<?> clazz) {
        sourceClass = clazz.getName();
        logger = LogFactory.getLog(clazz);
    }

    @Override
    public boolean isFatalEnabled() {
        return logger.isFatalEnabled();
    }

    @Override
    public void fatal(final String message) {
        logger.fatal(message);
    }

    @Override

 */
package org.codelibs.core.lang;

import org.codelibs.core.exception.InterruptedRuntimeException;
import org.codelibs.core.log.Logger;

/**
 * Utility class for Thread class
 *
 * @author shinsuke
 *
 */
public abstract class ThreadUtil {

    private static final Logger logger = Logger.getLogger(ThreadUtil.class);

    public static void sleep(final long millis) {
        if (millis < 1L) {
            return;

import javax.xml.XMLConstants;
import javax.xml.validation.SchemaFactory;

import org.codelibs.core.log.Logger;
import org.xml.sax.SAXException;

/**
 * {@link SchemaFactory}のためのユーティリティ・クラスです。
 *
 * @author koichik
 */
public abstract class SchemaFactoryUtil {

    private static final Logger logger = Logger.getLogger(SchemaFactoryUtil.class);

    /**
     * W3C XML Schemaのための{@link SchemaFactory}を生成します。
     *

 * @see ResourceTraversalUtil
 */
public abstract class TraversalUtil {

    /** 空の{@link Traverser}の配列です。 */
    protected static final Traverser[] EMPTY_ARRAY = new Traverser[0];

    private static final Logger logger = Logger.getLogger(TraversalUtil.class);

    /** URLのプロトコルをキー、{@link TraverserFactory}を値とするマッピングです。 */
    protected static final ConcurrentMap<String, TraverserFactory> traverserFactories = newConcurrentHashMap();
    static {

import org.codelibs.core.exception.ParserConfigurationRuntimeException;
import org.codelibs.core.log.Logger;

/**
 * {@link DocumentBuilderFactory}の用のユーティリティクラスです。
 *
 * @author higa
 */
public abstract class DocumentBuilderFactoryUtil {

    private static final Logger logger = Logger.getLogger(DocumentBuilderFactoryUtil.class);

    /**
     * 新しい {@link DocumentBuilderFactory}のインスタンスを返します。
     *

 */
public abstract class ZipInputStreamUtil {

    private static final Logger logger = Logger.getLogger(ZipInputStreamUtil.class);

    /**
     * {@link ZipInputStream#getNextEntry()}の例外処理をラップするメソッドです。
     *
     * @param zis
     *            {@link ZipInputStream}。{@literal null}であってはいけません
     * @return {@link ZipEntry}
     * @see ZipInputStream#getNextEntry()
     */

    protected final String sourceClass;

    protected final java.util.logging.Logger logger;

    public JulLoggerAdapter(final Class<?> clazz) {
        sourceClass = clazz.getName();
        logger = java.util.logging.Logger.getLogger(clazz.getName());
    }

    @Override
    public boolean isFatalEnabled() {
        return logger.isLoggable(Level.SEVERE);
    }

    @Override

                logger.info("Copying from {} to {}", oldIndex, index);
                if (!client.reindex(oldIndex, index, false)) {
                    logger.warn("Failed to copy from {} to {}", oldIndex, index);
                }
            } else if (logger.isDebugEnabled()) {
                if (!client.existsIndex(oldIndex)) {
                    logger.debug("{} does not exist.", oldIndex);