/**
* In order to preserve backward-compatibility, {@link StandardAnnotationMetadata} defaults to
* return nested annotations and annotation arrays as actual Annotation instances. It is
* recommended for compatibility with ASM-based AnnotationMetadata implementations to set the
* 'nestedAnnotationsAsMap' flag to 'true' as is done in the main test above.
*/
@Test
public void standardAnnotationMetadata_nestedAnnotationsAsMap_false() throws Exception {
AnnotationMetadata metadata = new StandardAnnotationMetadata(AnnotatedComponent.class);
AnnotationAttributes specialAttrs =
(AnnotationAttributes) metadata.getAnnotationAttributes(SpecialAttr.class.getName());
Annotation[] nestedAnnoArray = (Annotation[]) specialAttrs.get("nestedAnnoArray");
assertThat(nestedAnnoArray[0], instanceOf(NestedAnno.class));
}
private void doTestMetadataForInterfaceClass(AnnotationMetadata metadata) {
assertThat(metadata.getClassName(), is(AnnotationMetadata.class.getName()));
assertThat(metadata.isInterface(), is(true));
assertThat(metadata.isAnnotation(), is(false));
assertThat(metadata.isAbstract(), is(true));
assertThat(metadata.isConcrete(), is(false));
assertThat(metadata.hasSuperClass(), is(false));
assertThat(metadata.getSuperClassName(), nullValue());
assertThat(metadata.getInterfaceNames().length, is(2));
assertThat(metadata.getInterfaceNames()[0], is(ClassMetadata.class.getName()));
assertThat(metadata.getInterfaceNames()[1], is(AnnotatedTypeMetadata.class.getName()));
assertThat(metadata.getAnnotationTypes().size(), is(0));
}
private void doTestMethodAnnotationInfo(AnnotationMetadata classMetadata) {
Set<MethodMetadata> methods = classMetadata.getAnnotatedMethods(TestAutowired.class.getName());
assertThat(methods.size(), is(1));
for (MethodMetadata methodMetadata : methods) {
assertThat(methodMetadata.isAnnotated(TestAutowired.class.getName()), is(true));
}
}
private void assertMultipleAnnotationsWithIdenticalAttributeNames(AnnotationMetadata metadata) {
AnnotationAttributes attributes1 =
(AnnotationAttributes)
metadata.getAnnotationAttributes(NamedAnnotation1.class.getName(), false);
String name1 = attributes1.getString("name");
assertThat("name of NamedAnnotation1", name1, is("name 1"));
AnnotationAttributes attributes2 =
(AnnotationAttributes)
metadata.getAnnotationAttributes(NamedAnnotation2.class.getName(), false);
String name2 = attributes2.getString("name");
assertThat("name of NamedAnnotation2", name2, is("name 2"));
AnnotationAttributes attributes3 =
(AnnotationAttributes)
metadata.getAnnotationAttributes(NamedAnnotation3.class.getName(), false);
String name3 = attributes3.getString("name");
assertThat("name of NamedAnnotation3", name3, is("name 3"));
}
private void assertMetaAnnotationOverrides(AnnotationMetadata metadata) {
AnnotationAttributes attributes =
(AnnotationAttributes)
metadata.getAnnotationAttributes(TestComponentScan.class.getName(), false);
String[] basePackages = attributes.getStringArray("basePackages");
assertThat("length of basePackages[]", basePackages.length, is(1));
assertThat("basePackages[0]", basePackages[0], is("org.example.componentscan"));
String[] value = attributes.getStringArray("value");
assertThat("length of value[]", value.length, is(0));
Class<?>[] basePackageClasses = attributes.getClassArray("basePackageClasses");
assertThat("length of basePackageClasses[]", basePackageClasses.length, is(0));
}
private void doTestSubClassAnnotationInfo(AnnotationMetadata metadata) {
assertThat(metadata.getClassName(), is(AnnotatedComponentSubClass.class.getName()));
assertThat(metadata.isInterface(), is(false));
assertThat(metadata.isAnnotation(), is(false));
assertThat(metadata.isAbstract(), is(false));
assertThat(metadata.isConcrete(), is(true));
assertThat(metadata.hasSuperClass(), is(true));
assertThat(metadata.getSuperClassName(), is(AnnotatedComponent.class.getName()));
assertThat(metadata.getInterfaceNames().length, is(0));
assertThat(metadata.isAnnotated(Component.class.getName()), is(false));
assertThat(metadata.isAnnotated(Scope.class.getName()), is(false));
assertThat(metadata.isAnnotated(SpecialAttr.class.getName()), is(false));
assertThat(metadata.hasAnnotation(Component.class.getName()), is(false));
assertThat(metadata.hasAnnotation(Scope.class.getName()), is(false));
assertThat(metadata.hasAnnotation(SpecialAttr.class.getName()), is(false));
assertThat(metadata.getAnnotationTypes().size(), is(0));
assertThat(metadata.getAnnotationAttributes(Component.class.getName()), nullValue());
assertThat(metadata.getAnnotatedMethods(DirectAnnotation.class.getName()).size(), equalTo(0));
assertThat(metadata.isAnnotated(IsAnnotatedAnnotation.class.getName()), equalTo(false));
assertThat(metadata.getAllAnnotationAttributes(DirectAnnotation.class.getName()), nullValue());
}
private void doTestAnnotationInfo(AnnotationMetadata metadata) {
assertThat(metadata.getClassName(), is(AnnotatedComponent.class.getName()));
assertThat(metadata.isInterface(), is(false));
assertThat(metadata.isAnnotation(), is(false));
assertThat(metadata.isAbstract(), is(false));
assertThat(metadata.isConcrete(), is(true));
assertThat(metadata.hasSuperClass(), is(true));
assertThat(metadata.getSuperClassName(), is(Object.class.getName()));
assertThat(metadata.getInterfaceNames().length, is(1));
assertThat(metadata.getInterfaceNames()[0], is(Serializable.class.getName()));
assertThat(metadata.hasAnnotation(Component.class.getName()), is(true));
assertThat(metadata.hasAnnotation(Scope.class.getName()), is(true));
assertThat(metadata.hasAnnotation(SpecialAttr.class.getName()), is(true));
assertThat(metadata.getAnnotationTypes().size(), is(6));
assertThat(metadata.getAnnotationTypes().contains(Component.class.getName()), is(true));
assertThat(metadata.getAnnotationTypes().contains(Scope.class.getName()), is(true));
assertThat(metadata.getAnnotationTypes().contains(SpecialAttr.class.getName()), is(true));
AnnotationAttributes compAttrs =
(AnnotationAttributes) metadata.getAnnotationAttributes(Component.class.getName());
assertThat(compAttrs.size(), is(1));
assertThat(compAttrs.getString("value"), is("myName"));
AnnotationAttributes scopeAttrs =
(AnnotationAttributes) metadata.getAnnotationAttributes(Scope.class.getName());
assertThat(scopeAttrs.size(), is(1));
assertThat(scopeAttrs.getString("value"), is("myScope"));
Set<MethodMetadata> methods = metadata.getAnnotatedMethods(DirectAnnotation.class.getName());
MethodMetadata method = methods.iterator().next();
assertEquals(
"direct", method.getAnnotationAttributes(DirectAnnotation.class.getName()).get("value"));
List<Object> allMeta =
method.getAllAnnotationAttributes(DirectAnnotation.class.getName()).get("value");
assertThat(
new HashSet<>(allMeta), is(equalTo(new HashSet<Object>(Arrays.asList("direct", "meta")))));
allMeta = method.getAllAnnotationAttributes(DirectAnnotation.class.getName()).get("additional");
assertThat(new HashSet<>(allMeta), is(equalTo(new HashSet<Object>(Arrays.asList("direct")))));
assertTrue(metadata.isAnnotated(IsAnnotatedAnnotation.class.getName()));
{ // perform tests with classValuesAsString = false (the default)
AnnotationAttributes specialAttrs =
(AnnotationAttributes) metadata.getAnnotationAttributes(SpecialAttr.class.getName());
assertThat(specialAttrs.size(), is(6));
assertTrue(String.class.isAssignableFrom(specialAttrs.getClass("clazz")));
assertTrue(specialAttrs.getEnum("state").equals(Thread.State.NEW));
AnnotationAttributes nestedAnno = specialAttrs.getAnnotation("nestedAnno");
assertThat("na", is(nestedAnno.getString("value")));
assertTrue(nestedAnno.getEnum("anEnum").equals(SomeEnum.LABEL1));
assertArrayEquals(new Class[] {String.class}, (Class[]) nestedAnno.get("classArray"));
AnnotationAttributes[] nestedAnnoArray = specialAttrs.getAnnotationArray("nestedAnnoArray");
assertThat(nestedAnnoArray.length, is(2));
assertThat(nestedAnnoArray[0].getString("value"), is("default"));
assertTrue(nestedAnnoArray[0].getEnum("anEnum").equals(SomeEnum.DEFAULT));
assertArrayEquals(new Class[] {Void.class}, (Class[]) nestedAnnoArray[0].get("classArray"));
assertThat(nestedAnnoArray[1].getString("value"), is("na1"));
assertTrue(nestedAnnoArray[1].getEnum("anEnum").equals(SomeEnum.LABEL2));
assertArrayEquals(new Class[] {Number.class}, (Class[]) nestedAnnoArray[1].get("classArray"));
assertArrayEquals(new Class[] {Number.class}, nestedAnnoArray[1].getClassArray("classArray"));
AnnotationAttributes optional = specialAttrs.getAnnotation("optional");
assertThat(optional.getString("value"), is("optional"));
assertTrue(optional.getEnum("anEnum").equals(SomeEnum.DEFAULT));
assertArrayEquals(new Class[] {Void.class}, (Class[]) optional.get("classArray"));
assertArrayEquals(new Class[] {Void.class}, optional.getClassArray("classArray"));
AnnotationAttributes[] optionalArray = specialAttrs.getAnnotationArray("optionalArray");
assertThat(optionalArray.length, is(1));
assertThat(optionalArray[0].getString("value"), is("optional"));
assertTrue(optionalArray[0].getEnum("anEnum").equals(SomeEnum.DEFAULT));
assertArrayEquals(new Class[] {Void.class}, (Class[]) optionalArray[0].get("classArray"));
assertArrayEquals(new Class[] {Void.class}, optionalArray[0].getClassArray("classArray"));
assertEquals(
"direct",
metadata.getAnnotationAttributes(DirectAnnotation.class.getName()).get("value"));
allMeta = metadata.getAllAnnotationAttributes(DirectAnnotation.class.getName()).get("value");
assertThat(
new HashSet<>(allMeta),
is(equalTo(new HashSet<Object>(Arrays.asList("direct", "meta")))));
allMeta =
metadata.getAllAnnotationAttributes(DirectAnnotation.class.getName()).get("additional");
assertThat(new HashSet<>(allMeta), is(equalTo(new HashSet<Object>(Arrays.asList("direct")))));
}
{ // perform tests with classValuesAsString = true
AnnotationAttributes specialAttrs =
(AnnotationAttributes)
metadata.getAnnotationAttributes(SpecialAttr.class.getName(), true);
assertThat(specialAttrs.size(), is(6));
assertThat(specialAttrs.get("clazz"), is((Object) String.class.getName()));
assertThat(specialAttrs.getString("clazz"), is(String.class.getName()));
AnnotationAttributes nestedAnno = specialAttrs.getAnnotation("nestedAnno");
assertArrayEquals(
new String[] {String.class.getName()}, nestedAnno.getStringArray("classArray"));
assertArrayEquals(
new String[] {String.class.getName()}, nestedAnno.getStringArray("classArray"));
AnnotationAttributes[] nestedAnnoArray = specialAttrs.getAnnotationArray("nestedAnnoArray");
assertArrayEquals(
new String[] {Void.class.getName()}, (String[]) nestedAnnoArray[0].get("classArray"));
assertArrayEquals(
new String[] {Void.class.getName()}, nestedAnnoArray[0].getStringArray("classArray"));
assertArrayEquals(
new String[] {Number.class.getName()}, (String[]) nestedAnnoArray[1].get("classArray"));
assertArrayEquals(
new String[] {Number.class.getName()}, nestedAnnoArray[1].getStringArray("classArray"));
AnnotationAttributes optional = specialAttrs.getAnnotation("optional");
assertArrayEquals(new String[] {Void.class.getName()}, (String[]) optional.get("classArray"));
assertArrayEquals(new String[] {Void.class.getName()}, optional.getStringArray("classArray"));
AnnotationAttributes[] optionalArray = specialAttrs.getAnnotationArray("optionalArray");
assertArrayEquals(
new String[] {Void.class.getName()}, (String[]) optionalArray[0].get("classArray"));
assertArrayEquals(
new String[] {Void.class.getName()}, optionalArray[0].getStringArray("classArray"));
assertEquals(
metadata.getAnnotationAttributes(DirectAnnotation.class.getName()).get("value"),
"direct");
allMeta = metadata.getAllAnnotationAttributes(DirectAnnotation.class.getName()).get("value");
assertThat(
new HashSet<>(allMeta),
is(equalTo(new HashSet<Object>(Arrays.asList("direct", "meta")))));
}
}
private void doTestMetadataForAnnotationClass(AnnotationMetadata metadata) {
assertThat(metadata.getClassName(), is(Component.class.getName()));
assertThat(metadata.isInterface(), is(true));
assertThat(metadata.isAnnotation(), is(true));
assertThat(metadata.isAbstract(), is(true));
assertThat(metadata.isConcrete(), is(false));
assertThat(metadata.hasSuperClass(), is(false));
assertThat(metadata.getSuperClassName(), nullValue());
assertThat(metadata.getInterfaceNames().length, is(1));
assertThat(metadata.getInterfaceNames()[0], is(Annotation.class.getName()));
assertThat(metadata.isAnnotated(Documented.class.getName()), is(false));
assertThat(metadata.isAnnotated(Scope.class.getName()), is(false));
assertThat(metadata.isAnnotated(SpecialAttr.class.getName()), is(false));
assertThat(metadata.hasAnnotation(Documented.class.getName()), is(true));
assertThat(metadata.hasAnnotation(Scope.class.getName()), is(false));
assertThat(metadata.hasAnnotation(SpecialAttr.class.getName()), is(false));
assertThat(metadata.getAnnotationTypes().size(), is(3));
}