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将SyntheticAnnotation提取为接口，原实现更名为SyntheticMetaAnnotation

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huangchengxing
2022-07-05 13:47:11 +08:00
parent 32d0b65744
commit d20980096e
5 changed files with 603 additions and 420 deletions
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87
hutool-core/src/test/java/cn/hutool/core/annotation/SyntheticAnnotationTest.java
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@@ -1,87 +0,0 @@
package cn.hutool.core.annotation;
import org.junit.Assert;
import org.junit.Test;
import java.lang.annotation.*;
import java.util.Map;
/**
* 合成注解{@link SyntheticAnnotation}的测试用例
*
* @author huangchengxing
*/
public class SyntheticAnnotationTest {
@Test
public void testSynthesisAnnotation() {
ChildAnnotation rootAnnotation = AnnotatedClass.class.getAnnotation(ChildAnnotation.class);
SyntheticAnnotation<ChildAnnotation> syntheticAnnotation = SyntheticAnnotation.of(rootAnnotation);
Assert.assertEquals(syntheticAnnotation.getSource(), rootAnnotation);
Assert.assertEquals(syntheticAnnotation.annotationType(), rootAnnotation.annotationType());
Assert.assertEquals(1, syntheticAnnotation.getDeclaredAnnotations().length);
Assert.assertEquals(syntheticAnnotation.getDeclaredAnnotations()[0], rootAnnotation);
Assert.assertEquals(3, syntheticAnnotation.getAnnotations().length);
Assert.assertEquals(syntheticAnnotation.getAttribute("childValue", String.class), "Child!");
Assert.assertEquals(syntheticAnnotation.getAttribute("childValueAlias", String.class), "Child!");
Assert.assertEquals(syntheticAnnotation.getAttribute("parentValue", String.class), "Child's Parent!");
Assert.assertEquals(syntheticAnnotation.getAttribute("grandParentValue", String.class), "Child's GrandParent!");
Map<Class<? extends Annotation>, SyntheticAnnotation.MetaAnnotation> annotationMap = syntheticAnnotation.getMetaAnnotationMap();
ChildAnnotation childAnnotation = syntheticAnnotation.getAnnotation(ChildAnnotation.class);
Assert.assertTrue(syntheticAnnotation.isAnnotationPresent(ChildAnnotation.class));
Assert.assertNotNull(childAnnotation);
Assert.assertEquals(childAnnotation.childValue(), "Child!");
Assert.assertEquals(childAnnotation.childValueAlias(), "Child!");
Assert.assertEquals(childAnnotation.grandParentType(), Integer.class);
Assert.assertEquals(annotationMap, SyntheticAnnotation.of(childAnnotation).getMetaAnnotationMap());
ParentAnnotation parentAnnotation = syntheticAnnotation.getAnnotation(ParentAnnotation.class);
Assert.assertTrue(syntheticAnnotation.isAnnotationPresent(ParentAnnotation.class));
Assert.assertNotNull(parentAnnotation);
Assert.assertEquals(parentAnnotation.parentValue(), "Child's Parent!");
Assert.assertEquals(parentAnnotation.grandParentType(), "java.lang.Void");
Assert.assertEquals(annotationMap, SyntheticAnnotation.of(parentAnnotation).getMetaAnnotationMap());
GrandParentAnnotation grandParentAnnotation = syntheticAnnotation.getAnnotation(GrandParentAnnotation.class);
Assert.assertTrue(syntheticAnnotation.isAnnotationPresent(GrandParentAnnotation.class));
Assert.assertNotNull(grandParentAnnotation);
Assert.assertEquals(grandParentAnnotation.grandParentValue(), "Child's GrandParent!");
Assert.assertEquals(grandParentAnnotation.grandParentType(), Integer.class);
Assert.assertEquals(annotationMap, SyntheticAnnotation.of(grandParentAnnotation).getMetaAnnotationMap());
}
// 注解结构如下：
// AnnotatedClass -> @ChildAnnotation -> @ParentAnnotation -> @GrandParentAnnotation
// -> @GrandParentAnnotation
@ChildAnnotation(childValueAlias = "Child!", grandParentType = Integer.class)
static class AnnotatedClass {}
@Retention(RetentionPolicy.RUNTIME)
@Target({ ElementType.ANNOTATION_TYPE })
@interface GrandParentAnnotation {
String grandParentValue() default "";
Class<?> grandParentType() default Void.class;
}
@GrandParentAnnotation(grandParentValue = "Parent's GrandParent!") // 覆盖元注解@GrandParentAnnotation的属性
@Retention(RetentionPolicy.RUNTIME)
@Target({ ElementType.TYPE })
@interface ParentAnnotation {
String parentValue() default "";
String grandParentType() default "java.lang.Void";
}
@GrandParentAnnotation(grandParentValue = "Child's GrandParent!") // 重复的元注解，靠近根注解的优先级高
@ParentAnnotation(parentValue = "Child's Parent!") // 覆盖元注解@ParentAnnotation的属性
@Retention(RetentionPolicy.RUNTIME)
@Target({ ElementType.METHOD, ElementType.TYPE })
@interface ChildAnnotation {
String childValueAlias() default "";
@Alias("childValueAlias")
String childValue() default "";
Class<?> grandParentType() default Void.class;
}
}

87
hutool-core/src/test/java/cn/hutool/core/annotation/SyntheticMetaAnnotationTest.java Normal file
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@@ -0,0 +1,87 @@
package cn.hutool.core.annotation;
import org.junit.Assert;
import org.junit.Test;
import java.lang.annotation.*;
import java.util.Map;
/**
* 合成注解{@link SyntheticMetaAnnotation}的测试用例
*
* @author huangchengxing
*/
public class SyntheticMetaAnnotationTest {
@Test
public void testSynthesisAnnotation() {
ChildAnnotation rootAnnotation = AnnotatedClass.class.getAnnotation(ChildAnnotation.class);
SyntheticMetaAnnotation<ChildAnnotation> syntheticMetaAnnotation = new SyntheticMetaAnnotation<>(rootAnnotation);
Assert.assertEquals(syntheticMetaAnnotation.getSource(), rootAnnotation);
Assert.assertEquals(syntheticMetaAnnotation.annotationType(), SyntheticMetaAnnotation.class);
Assert.assertEquals(1, syntheticMetaAnnotation.getDeclaredAnnotations().length);
Assert.assertEquals(syntheticMetaAnnotation.getDeclaredAnnotations()[0], rootAnnotation);
Assert.assertEquals(3, syntheticMetaAnnotation.getAnnotations().length);
Assert.assertEquals("Child!", syntheticMetaAnnotation.getAttribute("childValue", String.class));
Assert.assertEquals("Child!", syntheticMetaAnnotation.getAttribute("childValueAlias", String.class));
Assert.assertEquals("Child's Parent!", syntheticMetaAnnotation.getAttribute("parentValue", String.class));
Assert.assertEquals("Child's GrandParent!", syntheticMetaAnnotation.getAttribute("grandParentValue", String.class));
Map<Class<? extends Annotation>, SyntheticMetaAnnotation.MetaAnnotation> annotationMap = syntheticMetaAnnotation.getMetaAnnotationMap();
ChildAnnotation childAnnotation = syntheticMetaAnnotation.syntheticAnnotation(ChildAnnotation.class);
Assert.assertTrue(syntheticMetaAnnotation.isAnnotationPresent(ChildAnnotation.class));
Assert.assertNotNull(childAnnotation);
Assert.assertEquals("Child!", childAnnotation.childValue());
Assert.assertEquals("Child!", childAnnotation.childValueAlias());
Assert.assertEquals(childAnnotation.grandParentType(), Integer.class);
Assert.assertEquals(annotationMap, new SyntheticMetaAnnotation<>(childAnnotation).getMetaAnnotationMap());
ParentAnnotation parentAnnotation = syntheticMetaAnnotation.syntheticAnnotation(ParentAnnotation.class);
Assert.assertTrue(syntheticMetaAnnotation.isAnnotationPresent(ParentAnnotation.class));
Assert.assertNotNull(parentAnnotation);
Assert.assertEquals("Child's Parent!", parentAnnotation.parentValue());
Assert.assertEquals("java.lang.Void", parentAnnotation.grandParentType());
Assert.assertEquals(annotationMap, new SyntheticMetaAnnotation<>(parentAnnotation).getMetaAnnotationMap());
GrandParentAnnotation grandParentAnnotation = syntheticMetaAnnotation.syntheticAnnotation(GrandParentAnnotation.class);
Assert.assertTrue(syntheticMetaAnnotation.isAnnotationPresent(GrandParentAnnotation.class));
Assert.assertNotNull(grandParentAnnotation);
Assert.assertEquals("Child's GrandParent!", grandParentAnnotation.grandParentValue());
Assert.assertEquals(grandParentAnnotation.grandParentType(), Integer.class);
Assert.assertEquals(annotationMap, new SyntheticMetaAnnotation<>(grandParentAnnotation).getMetaAnnotationMap());
}
// 注解结构如下：
// AnnotatedClass -> @ChildAnnotation -> @ParentAnnotation -> @GrandParentAnnotation
// -> @GrandParentAnnotation
@ChildAnnotation(childValueAlias = "Child!", grandParentType = Integer.class)
static class AnnotatedClass {}
@Retention(RetentionPolicy.RUNTIME)
@Target({ ElementType.ANNOTATION_TYPE })
@interface GrandParentAnnotation {
String grandParentValue() default "";
Class<?> grandParentType() default Void.class;
}
@GrandParentAnnotation(grandParentValue = "Parent's GrandParent!") // 覆盖元注解@GrandParentAnnotation的属性
@Retention(RetentionPolicy.RUNTIME)
@Target({ ElementType.TYPE })
@interface ParentAnnotation {
String parentValue() default "";
String grandParentType() default "java.lang.Void";
}
@GrandParentAnnotation(grandParentValue = "Child's GrandParent!") // 重复的元注解，靠近根注解的优先级高
@ParentAnnotation(parentValue = "Child's Parent!") // 覆盖元注解@ParentAnnotation的属性
@Retention(RetentionPolicy.RUNTIME)
@Target({ ElementType.METHOD, ElementType.TYPE })
@interface ChildAnnotation {
String childValueAlias() default "";
@Alias("childValueAlias")
String childValue() default "";
Class<?> grandParentType() default Void.class;
}
}