@Override
	public void validate() {
		super.validate();
		if (SUBMIT.equals(getSubmit())) {
			if (StringUtils.isBlank(bookVO.getBookName())
					|| !(StringUtils.isAlphaSpace(bookVO.getBookName()))) {
				addFieldError("bookVO.bookName", "Please enter valid book name");
			}
			if (StringUtils.isBlank(bookVO.getPublisher())
					|| !(StringUtils.isAlphaSpace(bookVO.getPublisher()))) {
				addFieldError("bookVO.publisher", "Please enter valid publisher name");
			}
			if (StringUtils.isBlank(bookVO.getAuthor())
					|| !(StringUtils.isAlphaSpace(bookVO.getAuthor()))) {
				addFieldError("bookVO.author", "Please enter valid author name");
			}

		}
	}