Java过滤Emoji表情

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Java过滤Emoji表情

过滤Emoji表情工具类

import org.apachemons.lang.StringUtils;public class EmojiFilter {private static boolean isEmojiCharacter(char codePoint) {return (codePoint == 0x0) || (codePoint == 0x9) || (codePoint == 0xA)|| (codePoint == 0xD)|| ((codePoint >= 0x20) && (codePoint <= 0xD7FF))|| ((codePoint >= 0xE000) && (codePoint <= 0xFFFD))|| ((codePoint >= 0x10000) && (codePoint <= 0x10FFFF));}/*** 过滤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 = null;int len = source.length();for (int i = 0; i < len; i++) {char codePoint = source.charAt(i);if (isEmojiCharacter(codePoint)) {if (buf == null) {buf = new StringBuilder(source.length());}buf.append(codePoint);}}if (buf == null) {return source;} else {if (buf.length() == len) {buf = null;return source;} else {return buf.toString();}}}
}

直接调用工具类filterEmoji方法过滤Emoji表情