过滤文本中的emoji表情

/**
	 * @Description 滤emoji 或者 其他非文字类型的字符
	 * @param source
	 * @return
	 */
	public static String filterEmoji(String source) {
		if (StringUtils.isBlank(source)) {
			return source;
		}
		StringBuilder buf = new StringBuilder();
		int len = source.length();
		for (int i = 0; i < len; i++) {
			char codePoint = source.charAt(i);
			if (!isEmojiCharacter(codePoint)) {
				buf.append(codePoint);
			}
		}
		return buf.toString();
	}