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--- wiki:programming:pattern [2021/01/13 19:21]
dhan 만듦
+++ wiki:programming:pattern [2023/01/13 18:44] (현재)
@@ 줄 1: / 줄 1: @@
-====== Ant style pattern ======^ 표기  ^ 설명  ^
+====== Ant style pattern ======
-|     |     |
+===== 설명 =====
+^ 표기   ^ 설명                                                    ^
+|  ?   | 1개의 문자와 매칭 (matches single character)                 |
+|  *   | 0개 이상의 문자와 매칭 (matches zero or more characters)       |
+|  * *  | 0개 이상의 디렉토리와 파일 매칭 (matches all files / directories)  |
+===== 사용 예 =====
+<code java>
+import static org.hamcrest.CoreMatchers.*;
+import static org.junit.Assert.*;
+import org.junit.Test;
+import org.springframework.util.AntPathMatcher;
+public class AntStylePatternMatcherUtilTest {
+	@Test
+	public void antStylePatternTest() {
+		// double asterisks
+		assertThat(true, is(checkAntPattern("/static/**", "/static/a.jpg")));
+		assertThat(true, is(checkAntPattern("/static/**", "/static/css/a.css")));
+		assertThat(true, is(checkAntPattern("/static/**", "/static/js/a.js")));
+		assertThat(true, is(checkAntPattern("/static/**", "/static/img/a.jpg")));
+		assertThat(true, is(checkAntPattern("/static/**", "/static/a/b/c/d/e/f/g/a.jpg")));
+		assertThat(true, is(checkAntPattern("/static/**", "/static")));
+		assertThat(true, is(checkAntPattern("/static/**", "/static/")));
+		// single asterisks
+		assertThat(true, is(checkAntPattern("/static/*", "/static/a.jpg")));
+		assertThat(true, is(checkAntPattern("/static/*", "/static/namkyuProfilePicture.jpg")));
+		assertThat(false, is(checkAntPattern("/static/*", "/static/a/test.jpg")));
+		assertThat(false, is(checkAntPattern("/static/*", "/static/a/b/c/d/test.jpg")));
+		assertThat(true, is(checkAntPattern("/static*/*", "/static/test.jpg")));
+		assertThat(true, is(checkAntPattern("/static*/*", "/static1/test.jpg")));
+		assertThat(true, is(checkAntPattern("/static*/*", "/static123/test.jpg")));
+		assertThat(true, is(checkAntPattern("/static*/*", "/static-123/test.jpg")));
+		assertThat(true, is(checkAntPattern("/static*/*", "/static~!@#$%^&*()_+}{|/test.jpg")));
+		assertThat(false, is(checkAntPattern("/static*/*", "/static12/a/test.jpg")));
+		assertThat(false, is(checkAntPattern("/static*/*", "/static12/a/b/test.jpg")));
+		// double and single combine
+		assertThat(true, is(checkAntPattern("/static*/**", "/static/a.jpg")));
+		assertThat(true, is(checkAntPattern("/static*/**", "/static1/a.jpg")));
+		assertThat(true, is(checkAntPattern("/static*/**", "/static/a/a.jpg")));
+		assertThat(true, is(checkAntPattern("/static*/**", "/static/a/b/a.jpg")));
+		assertThat(true, is(checkAntPattern("/static*/**", "/static/a/b/c/a.jpg")));
+		assertThat(true, is(checkAntPattern("**/static/**", "a/static/a/b/c/a.jpg")));
+		assertThat(true, is(checkAntPattern("**/static/**", "a/b/static/a/b/c/a.jpg")));
+		// question-mark
+		assertThat(true, is(checkAntPattern("/static-?/**", "/static-a/a.jpg")));
+		assertThat(true, is(checkAntPattern("/static-?/**", "/static-a/b/c/a.jpg")));
+		assertThat(true, is(checkAntPattern("/static-?/*", "/static-a/abcd.jpg")));
+		assertThat(true, is(checkAntPattern("/static-?/???.jpg", "/static-a/abc.jpg")));
+	}
+	private boolean checkAntPattern(String pattern, String inputStr) {
+		return matches(pattern, inputStr);
+	}
+	public static boolean matches(String pattern, String inputStr) {
+		AntPathMatcher antPathMatcher = new AntPathMatcher();
+		return antPathMatcher.match(pattern, inputStr);
+	}
+}
+</code>

문제를 잘 정의하는 것은 문제를 절반 해결한 것이다. - 2023.12

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