Java的通配符比较字符串

new_gist_file.java

public class Test3 {
	private static final String PATTERN_LINE_START = "^";

	private static final String PATTERN_LINE_END = "$";

	private static final char[] META_CHARACTERS = { '$', '^', '[', ']', '(',
			')', '{', '}', '|', '+', '.', '\\' };

	public static void main(String[] args) throws Exception {
		System.out.println(wildcardMatch("macsynced.??", "macsynced.477"));
	}

	public static boolean wildcardMatch(String pattern, String str) {
		pattern = convertToRegexPattern(pattern);
		return Pattern.matches(pattern, str);
	}

	private static String convertToRegexPattern(String wildcardString) {
		String result = PATTERN_LINE_START;
		char[] chars = wildcardString.toCharArray();
		for (char ch : chars) {
			if (Arrays.binarySearch(META_CHARACTERS, ch) >= 0) {
				result += "\\" + ch;
				continue;
			}
			switch (ch) {
			case '*':
				result += ".*";
				break;
			case '?':
				result += ".{0,1}";
				break;
			default:
				result += ch;
			}
		}
		result += PATTERN_LINE_END;
		return result;
	}
}