path正则匹配MatcherUtil

path正则匹配MatcherUtil

import java.util.regex.Pattern;

public class MatcherUtil {

    public static boolean match(String accessUrl, String reqPath) {
        String regPath = getRegPath(accessUrl);
        return Pattern.compile(regPath).matcher(reqPath).matches();
    }

    private static String getRegPath(String path) {
        char[] chars = path.toCharArray();
        int len = chars.length;
        StringBuilder sb = new StringBuilder();
        boolean preX = false;
        for (int i = 0; i < len; i++) {
            if (chars[i] == '*') {
                if (preX) {
                    sb.append(".*");
                    preX = false;
                } else if (i + 1 == len) {
                    sb.append("[^/]*");
                } else {
                    preX = true;
                    continue;
                }
            } else {
                if (preX) {
                    sb.append("[^/]*");
                    preX = false;
                }
                if (chars[i] == '?') {
                    sb.append('.');
                } else {
                    sb.append(chars[i]);
                }
            }
        }
        return sb.toString();
    }
}
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