参数断言工具

见代码：

public final class Argument {        private Argument() {}        public static void notNull(Object object, String message, Object... args) {        if (object == null)            throw new IllegalArgumentException(String.format(message, args));    }        public static void notEmpty(Collection<?> object, String message, Object... args) {        if (object == null || object.size() == 0)            throw new IllegalArgumentException(String.format(message, args));    }    public static void notEmpty(Map<?, ?> object, String message, Object... args) {        if (object == null || object.size() == 0)            throw new IllegalArgumentException(String.format(message, args));    }    public static void notEmpty(Object[] object, String message, Object... args) {        if (object == null || object.length == 0)            throw new IllegalArgumentException(String.format(message, args));    }        public static void notEmpty(CharSequence object, String message, Object... args) {        if (object == null || object.length() == 0)            throw new IllegalArgumentException(String.format(message, args));    }    public static void hasText(String object, String message, Object... args) {        if (object == null || object.length() == 0 || object.trim().length() == 0)            throw new IllegalArgumentException(String.format(message, args));    }    public static void isTrue(boolean object, String message, Object... args) {        if (! object)            throw new IllegalArgumentException(String.format(message, args));    }    public static void isFalse(boolean object, String message, Object... args) {        if (object)            throw new IllegalArgumentException(String.format(message, args));    }        public static void notEmptyElements(Collection<?> object, String message, Object... args) {        notEmpty(object, message, args);        for (Object element : object) {            if (element instanceof CharSequence)                notEmpty((CharSequence)element, message, args);            else                 notNull(element, message, args);        }    }    public static void notEmptyElements(Map<?, ?> object, String message, Object... args) {        notEmpty(object, message, args);        for (Object element : object.values()) {            if (element instanceof CharSequence)                notEmpty((CharSequence)element, message, args);            else                 notNull(element, message, args);        }    }    public static void notEmptyElements(Object[] object, String message, Object... args) {        notEmpty(object, message, args);        for (Object element : object) {            if (element instanceof CharSequence)                notEmpty((CharSequence)element, message, args);            else                 notNull(element, message, args);        }    }    }

?

?

?