java: move jsr303

java/jsr303/pom.xml

@@ -0,0 +1,42 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <artifactId>dev-cheat-sheet</artifactId>
+        <groupId>lin.louis</groupId>
+        <version>${revision}</version>
+    </parent>
+
+    <artifactId>jsr303</artifactId>
+
+    <properties>
+        <spring-boot.version>3.3.1</spring-boot.version>
+    </properties>
+
+    <dependencyManagement>
+        <dependencies>
+            <dependency>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-dependencies</artifactId>
+                <version>${spring-boot.version}</version>
+                <type>pom</type>
+                <scope>import</scope>
+            </dependency>
+        </dependencies>
+    </dependencyManagement>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-validation</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter</artifactId>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+</project>

java/src/test/java/lin/louis/jsr303/CustomValidation.java → java/jsr303/src/main/java/lin/louis/jsr303/CustomValidation.java

@@ -9,8 +9,8 @@
 import java.lang.annotation.Retention;
 import java.lang.annotation.Target;
 
-import javax.validation.Constraint;
-import javax.validation.Payload;
+import jakarta.validation.Constraint;
+import jakarta.validation.Payload;
 
 @Target({METHOD, FIELD, ANNOTATION_TYPE})
 @Retention(RUNTIME)

java/src/test/java/lin/louis/jsr303/CustomValidator.java → java/jsr303/src/main/java/lin/louis/jsr303/CustomValidator.java

@@ -1,7 +1,7 @@
 package lin.louis.jsr303;
 
-import javax.validation.ConstraintValidator;
-import javax.validation.ConstraintValidatorContext;
+import jakarta.validation.ConstraintValidator;
+import jakarta.validation.ConstraintValidatorContext;
 
 public class CustomValidator implements ConstraintValidator<CustomValidation, String> {
     @Override

java/jsr303/src/main/java/lin/louis/jsr303/JSR303Foo.java

@@ -0,0 +1,40 @@
+package lin.louis.jsr303;
+
+import jakarta.validation.constraints.NotBlank;
+import jakarta.validation.constraints.Size;
+
+public class JSR303Foo {
+
+    @NotBlank(message = "The firstName should not be blank!")
+    private String firstName;
+
+    @Size(min = 1, max = 5, message = "The lastName should have 5 characters max!")
+    private String lastName;
+
+    @CustomValidation
+    private String foo;
+
+    public String getFirstName() {
+        return firstName;
+    }
+
+    public void setFirstName(String firstName) {
+        this.firstName = firstName;
+    }
+
+    public String getLastName() {
+        return lastName;
+    }
+
+    public void setLastName(String lastName) {
+        this.lastName = lastName;
+    }
+
+    public String getFoo() {
+        return foo;
+    }
+
+    public void setFoo(String foo) {
+        this.foo = foo;
+    }
+}

java/src/test/java/lin/louis/jsr303/JSR303ValidationTest.java → java/jsr303/src/test/java/lin/louis/jsr303/JSR303ValidationTest.java

@@ -1,17 +1,15 @@
 package lin.louis.jsr303;
 
-import lombok.extern.slf4j.Slf4j;
 import org.junit.jupiter.api.Test;
 
-import javax.validation.ConstraintViolation;
-import javax.validation.Validation;
-import javax.validation.Validator;
-import javax.validation.ValidatorFactory;
+import jakarta.validation.ConstraintViolation;
+import jakarta.validation.Validation;
+import jakarta.validation.Validator;
+import jakarta.validation.ValidatorFactory;
 import java.util.Set;
 
 import static org.junit.jupiter.api.Assertions.assertFalse;
 
-@Slf4j
 class JSR303ValidationTest {
 
     @Test
@@ -23,11 +21,11 @@ void testValidate() {
         Set<ConstraintViolation<JSR303Foo>> constraintViolations = validator.validate(foo);
 
         assertFalse(constraintViolations.isEmpty());
-        constraintViolations.forEach(constraint -> log.info(
-                "{}.{} {}",
+        constraintViolations.forEach(constraint -> System.out.println(
+                "%s.%s %s".formatted(
                 constraint.getRootBeanClass().getSimpleName(),
                 constraint.getPropertyPath(),
                 constraint.getMessage()
-        ));
+        )));
     }
 }