public <T> T convertIfNeed(final Object arg) {
        if (propertyType.isPrimitive()) {
            return (T) convertPrimitiveWrapper(arg);
        } else if (Number.class.isAssignableFrom(propertyType)) {
            return (T) convertNumber(arg);
        } else if (java.util.Date.class.isAssignableFrom(propertyType)) {
            return (T) convertDate(arg);
        } else if (Boolean.class.isAssignableFrom(propertyType)) {

        @Override
        public int hashCode() {
            return 0;
        }

        @Override
        public boolean equals(Object o) {
            if (o == this) {
                return true;
            }
            if (o == null || !(o instanceof MyKey)) {
                return false;
            }
            return _key.equals(((MyKey) o)._key);
        }
    }

        if (prefix != null && !name.startsWith(prefix)) {
            return false;
        }
        if (!includePropertyNames.isEmpty()) {
            for (final String includeName : includePropertyNames) {
                if (includeName.equals(name)) {
                    for (final String excludeName : excludePropertyNames) {
                        if (excludeName.equals(name)) {

        if (src == null) {
            return null;
        }
        if (src.getClass() == Date.class) {
            return (Date) src;
        }
        if (src instanceof Date) {
            return new Date(((Date) src).getTime());
        }
        if (src instanceof Calendar) {
            return new Date(((Calendar) src).getTimeInMillis());

     */
    public static void assertArgumentArrayIndex(final String argName, final int argValue, final int arraySize) {
        if (argValue < 0) {
            throw new ClIllegalArgumentException(argName, "ECL0014", asArray(argName));
        }
        if (argValue >= arraySize) {
            throw new ClIllegalArgumentException(argName, "ECL0015", asArray(argName, arraySize));
        }
    }

    /**

     * @return {@link Logger}
     */
    public static synchronized Logger getLogger(final Class<?> clazz) {
        assertArgumentNotNull("clazz", clazz);

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

    /**

            final URL url = it.next();
            final Traverser resourcesType = getTraverser(url, rootPackage, baseName);
            if (resourcesType != null) {
                list.add(resourcesType);
            }
        }
        if (list.isEmpty()) {
            logger.log("WCL0014", rootPackage);
            return EMPTY_ARRAY;
        }
        return list.toArray(new Traverser[list.size()]);

        for (final File file : dir.listFiles()) {
            final String fileName = file.getName();
            if (file.isDirectory()) {
                traverseFileSystem(file, ClassUtil.concatName(packageName, fileName), handler);
            } else if (fileName.endsWith(".class")) {
                final String shortClassName = fileName.substring(0, fileName.length() - CLASS_SUFFIX.length());

        if (args == null) {
            return paramTypes.length == 0;
        }
        if (paramTypes.length != args.length) {
            return false;
        }
        for (int i = 0; i < args.length; ++i) {
            if (args[i] == null) {
                continue;
            }
            if (ClassUtil.isAssignableFrom(paramTypes[i], args[i].getClass())) {

        if (src == null) {
            return null;
        }
        if (src.getClass() == Date.class) {
            return (Date) src;
        }
        if (src instanceof Date) {
            return new Date(((Date) src).getTime());
        }
        if (src instanceof Calendar) {
            return new Date(((Calendar) src).getTimeInMillis());