添加 ValidatableStringRecord 类。

src/test/java/xyz/zhouxy/plusone/commons/domain/ValidatableStringRecordTests.java

@@ -0,0 +1,37 @@
+package xyz.zhouxy.plusone.commons.domain;
+
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+
+import org.junit.jupiter.api.Test;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import xyz.zhouxy.plusone.commons.annotation.StaticFactoryMethod;
+import xyz.zhouxy.plusone.commons.annotation.ValueObject;
+import xyz.zhouxy.plusone.commons.constant.PatternConsts;
+
+class ValidatableStringRecordTests {
+
+    private static final Logger log = LoggerFactory.getLogger(ValidatableStringRecordTests.class);
+
+    @Test
+    void test() {
+        Username username = Username.of("ZhouXY");
+        assertNotNull(username);
+        String usernameStr = username.value();
+        assertNotNull(usernameStr);
+        log.info("usernameStr: {}", usernameStr);
+    }
+}
+
+@ValueObject
+class Username extends ValidatableStringRecord {
+    private Username(String username) {
+        super(username, PatternConsts.USERNAME);
+    }
+
+    @StaticFactoryMethod(Username.class)
+    public static Username of(String username) {
+        return new Username(username);
+    }
+}