下面列出了怎么用org.aspectj.lang.annotation.Aspect的API类实例代码及写法,或者点击链接到github查看源代码。
@Override
public void validate(Class<?> aspectClass) throws AopConfigException {
// If the parent has the annotation and isn't abstract it's an error
if (aspectClass.getSuperclass().getAnnotation(Aspect.class) != null &&
!Modifier.isAbstract(aspectClass.getSuperclass().getModifiers())) {
throw new AopConfigException("[" + aspectClass.getName() + "] cannot extend concrete aspect [" +
aspectClass.getSuperclass().getName() + "]");
}
AjType<?> ajType = AjTypeSystem.getAjType(aspectClass);
if (!ajType.isAspect()) {
throw new NotAnAtAspectException(aspectClass);
}
if (ajType.getPerClause().getKind() == PerClauseKind.PERCFLOW) {
throw new AopConfigException(aspectClass.getName() + " uses percflow instantiation model: " +
"This is not supported in Spring AOP.");
}
if (ajType.getPerClause().getKind() == PerClauseKind.PERCFLOWBELOW) {
throw new AopConfigException(aspectClass.getName() + " uses percflowbelow instantiation model: " +
"This is not supported in Spring AOP.");
}
}
@Test
public void testCustomAnnotationExcludeFilterAndDefaults() {
GenericApplicationContext context = new GenericApplicationContext();
ClassPathBeanDefinitionScanner scanner = new ClassPathBeanDefinitionScanner(context, true);
scanner.addExcludeFilter(new AnnotationTypeFilter(Aspect.class));
int beanCount = scanner.scan(BASE_PACKAGE);
assertEquals(11, beanCount);
assertFalse(context.containsBean("serviceInvocationCounter"));
assertTrue(context.containsBean("fooServiceImpl"));
assertTrue(context.containsBean("stubFooDao"));
assertTrue(context.containsBean("myNamedComponent"));
assertTrue(context.containsBean("myNamedDao"));
assertTrue(context.containsBean(AnnotationConfigUtils.AUTOWIRED_ANNOTATION_PROCESSOR_BEAN_NAME));
assertTrue(context.containsBean(AnnotationConfigUtils.COMMON_ANNOTATION_PROCESSOR_BEAN_NAME));
assertTrue(context.containsBean(AnnotationConfigUtils.EVENT_LISTENER_PROCESSOR_BEAN_NAME));
}
@Test
public void testMultipleCustomExcludeFiltersAndDefaults() {
GenericApplicationContext context = new GenericApplicationContext();
ClassPathBeanDefinitionScanner scanner = new ClassPathBeanDefinitionScanner(context, true);
scanner.addExcludeFilter(new AssignableTypeFilter(FooService.class));
scanner.addExcludeFilter(new AnnotationTypeFilter(Aspect.class));
int beanCount = scanner.scan(BASE_PACKAGE);
assertEquals(10, beanCount);
assertFalse(context.containsBean("fooServiceImpl"));
assertFalse(context.containsBean("serviceInvocationCounter"));
assertTrue(context.containsBean("stubFooDao"));
assertTrue(context.containsBean("myNamedComponent"));
assertTrue(context.containsBean("myNamedDao"));
assertTrue(context.containsBean(AnnotationConfigUtils.AUTOWIRED_ANNOTATION_PROCESSOR_BEAN_NAME));
assertTrue(context.containsBean(AnnotationConfigUtils.COMMON_ANNOTATION_PROCESSOR_BEAN_NAME));
assertTrue(context.containsBean(AnnotationConfigUtils.EVENT_LISTENER_PROCESSOR_BEAN_NAME));
assertTrue(context.containsBean(AnnotationConfigUtils.EVENT_LISTENER_FACTORY_BEAN_NAME));
}
@Override
public void validate(Class<?> aspectClass) throws AopConfigException {
// If the parent has the annotation and isn't abstract it's an error
if (aspectClass.getSuperclass().getAnnotation(Aspect.class) != null &&
!Modifier.isAbstract(aspectClass.getSuperclass().getModifiers())) {
throw new AopConfigException("[" + aspectClass.getName() + "] cannot extend concrete aspect [" +
aspectClass.getSuperclass().getName() + "]");
}
AjType<?> ajType = AjTypeSystem.getAjType(aspectClass);
if (!ajType.isAspect()) {
throw new NotAnAtAspectException(aspectClass);
}
if (ajType.getPerClause().getKind() == PerClauseKind.PERCFLOW) {
throw new AopConfigException(aspectClass.getName() + " uses percflow instantiation model: " +
"This is not supported in Spring AOP.");
}
if (ajType.getPerClause().getKind() == PerClauseKind.PERCFLOWBELOW) {
throw new AopConfigException(aspectClass.getName() + " uses percflowbelow instantiation model: " +
"This is not supported in Spring AOP.");
}
}
@Test
public void testCustomAnnotationExcludeFilterAndDefaults() {
GenericApplicationContext context = new GenericApplicationContext();
ClassPathBeanDefinitionScanner scanner = new ClassPathBeanDefinitionScanner(context, true);
scanner.addExcludeFilter(new AnnotationTypeFilter(Aspect.class));
int beanCount = scanner.scan(BASE_PACKAGE);
assertEquals(11, beanCount);
assertFalse(context.containsBean("serviceInvocationCounter"));
assertTrue(context.containsBean("fooServiceImpl"));
assertTrue(context.containsBean("stubFooDao"));
assertTrue(context.containsBean("myNamedComponent"));
assertTrue(context.containsBean("myNamedDao"));
assertTrue(context.containsBean(AnnotationConfigUtils.AUTOWIRED_ANNOTATION_PROCESSOR_BEAN_NAME));
assertTrue(context.containsBean(AnnotationConfigUtils.COMMON_ANNOTATION_PROCESSOR_BEAN_NAME));
assertTrue(context.containsBean(AnnotationConfigUtils.EVENT_LISTENER_PROCESSOR_BEAN_NAME));
}
@Test
public void testMultipleCustomExcludeFiltersAndDefaults() {
GenericApplicationContext context = new GenericApplicationContext();
ClassPathBeanDefinitionScanner scanner = new ClassPathBeanDefinitionScanner(context, true);
scanner.addExcludeFilter(new AssignableTypeFilter(FooService.class));
scanner.addExcludeFilter(new AnnotationTypeFilter(Aspect.class));
int beanCount = scanner.scan(BASE_PACKAGE);
assertEquals(10, beanCount);
assertFalse(context.containsBean("fooServiceImpl"));
assertFalse(context.containsBean("serviceInvocationCounter"));
assertTrue(context.containsBean("stubFooDao"));
assertTrue(context.containsBean("myNamedComponent"));
assertTrue(context.containsBean("myNamedDao"));
assertTrue(context.containsBean(AnnotationConfigUtils.AUTOWIRED_ANNOTATION_PROCESSOR_BEAN_NAME));
assertTrue(context.containsBean(AnnotationConfigUtils.COMMON_ANNOTATION_PROCESSOR_BEAN_NAME));
assertTrue(context.containsBean(AnnotationConfigUtils.EVENT_LISTENER_PROCESSOR_BEAN_NAME));
assertTrue(context.containsBean(AnnotationConfigUtils.EVENT_LISTENER_FACTORY_BEAN_NAME));
}
@Override
public void validate(Class<?> aspectClass) throws AopConfigException {
// If the parent has the annotation and isn't abstract it's an error
if (aspectClass.getSuperclass().getAnnotation(Aspect.class) != null &&
!Modifier.isAbstract(aspectClass.getSuperclass().getModifiers())) {
throw new AopConfigException("[" + aspectClass.getName() + "] cannot extend concrete aspect [" +
aspectClass.getSuperclass().getName() + "]");
}
AjType<?> ajType = AjTypeSystem.getAjType(aspectClass);
if (!ajType.isAspect()) {
throw new NotAnAtAspectException(aspectClass);
}
if (ajType.getPerClause().getKind() == PerClauseKind.PERCFLOW) {
throw new AopConfigException(aspectClass.getName() + " uses percflow instantiation model: " +
"This is not supported in Spring AOP.");
}
if (ajType.getPerClause().getKind() == PerClauseKind.PERCFLOWBELOW) {
throw new AopConfigException(aspectClass.getName() + " uses percflowbelow instantiation model: " +
"This is not supported in Spring AOP.");
}
}
@Override
public void validate(Class<?> aspectClass) throws AopConfigException {
// If the parent has the annotation and isn't abstract it's an error
if (aspectClass.getSuperclass().getAnnotation(Aspect.class) != null &&
!Modifier.isAbstract(aspectClass.getSuperclass().getModifiers())) {
throw new AopConfigException("[" + aspectClass.getName() + "] cannot extend concrete aspect [" +
aspectClass.getSuperclass().getName() + "]");
}
AjType<?> ajType = AjTypeSystem.getAjType(aspectClass);
if (!ajType.isAspect()) {
throw new NotAnAtAspectException(aspectClass);
}
if (ajType.getPerClause().getKind() == PerClauseKind.PERCFLOW) {
throw new AopConfigException(aspectClass.getName() + " uses percflow instantiation model: " +
"This is not supported in Spring AOP.");
}
if (ajType.getPerClause().getKind() == PerClauseKind.PERCFLOWBELOW) {
throw new AopConfigException(aspectClass.getName() + " uses percflowbelow instantiation model: " +
"This is not supported in Spring AOP.");
}
}
@Test
public void testCustomAnnotationExcludeFilterAndDefaults() {
GenericApplicationContext context = new GenericApplicationContext();
ClassPathBeanDefinitionScanner scanner = new ClassPathBeanDefinitionScanner(context, true);
scanner.addExcludeFilter(new AnnotationTypeFilter(Aspect.class));
int beanCount = scanner.scan(BASE_PACKAGE);
assertEquals(11, beanCount);
assertFalse(context.containsBean("serviceInvocationCounter"));
assertTrue(context.containsBean("fooServiceImpl"));
assertTrue(context.containsBean("stubFooDao"));
assertTrue(context.containsBean("myNamedComponent"));
assertTrue(context.containsBean("myNamedDao"));
assertTrue(context.containsBean(AnnotationConfigUtils.AUTOWIRED_ANNOTATION_PROCESSOR_BEAN_NAME));
assertTrue(context.containsBean(AnnotationConfigUtils.REQUIRED_ANNOTATION_PROCESSOR_BEAN_NAME));
assertTrue(context.containsBean(AnnotationConfigUtils.COMMON_ANNOTATION_PROCESSOR_BEAN_NAME));
assertTrue(context.containsBean(AnnotationConfigUtils.EVENT_LISTENER_PROCESSOR_BEAN_NAME));
}
@Test
public void testMultipleCustomExcludeFiltersAndDefaults() {
GenericApplicationContext context = new GenericApplicationContext();
ClassPathBeanDefinitionScanner scanner = new ClassPathBeanDefinitionScanner(context, true);
scanner.addExcludeFilter(new AssignableTypeFilter(FooService.class));
scanner.addExcludeFilter(new AnnotationTypeFilter(Aspect.class));
int beanCount = scanner.scan(BASE_PACKAGE);
assertEquals(10, beanCount);
assertFalse(context.containsBean("fooServiceImpl"));
assertFalse(context.containsBean("serviceInvocationCounter"));
assertTrue(context.containsBean("stubFooDao"));
assertTrue(context.containsBean("myNamedComponent"));
assertTrue(context.containsBean("myNamedDao"));
assertTrue(context.containsBean(AnnotationConfigUtils.AUTOWIRED_ANNOTATION_PROCESSOR_BEAN_NAME));
assertTrue(context.containsBean(AnnotationConfigUtils.REQUIRED_ANNOTATION_PROCESSOR_BEAN_NAME));
assertTrue(context.containsBean(AnnotationConfigUtils.COMMON_ANNOTATION_PROCESSOR_BEAN_NAME));
assertTrue(context.containsBean(AnnotationConfigUtils.EVENT_LISTENER_PROCESSOR_BEAN_NAME));
assertTrue(context.containsBean(AnnotationConfigUtils.EVENT_LISTENER_FACTORY_BEAN_NAME));
}
/**
* Extract contents from String of form {@code pertarget(contents)}.
*/
private String findPerClause(Class<?> aspectClass) {
String str = aspectClass.getAnnotation(Aspect.class).value();
str = str.substring(str.indexOf('(') + 1);
str = str.substring(0, str.length() - 1);
return str;
}
@Test
public void testWithAspectAnnotationOnly() throws Exception {
ClassPathScanningCandidateComponentProvider provider = new ClassPathScanningCandidateComponentProvider(false);
provider.addIncludeFilter(new AnnotationTypeFilter(Aspect.class));
Set<BeanDefinition> candidates = provider.findCandidateComponents(TEST_BASE_PACKAGE);
assertEquals(1, candidates.size());
assertTrue(containsBeanClass(candidates, ServiceInvocationCounter.class));
}
/**
* Extract contents from String of form {@code pertarget(contents)}.
*/
private String findPerClause(Class<?> aspectClass) {
String str = aspectClass.getAnnotation(Aspect.class).value();
str = str.substring(str.indexOf('(') + 1);
str = str.substring(0, str.length() - 1);
return str;
}
@Test
public void testWithAspectAnnotationOnly() throws Exception {
ClassPathScanningCandidateComponentProvider provider = new ClassPathScanningCandidateComponentProvider(false);
provider.addIncludeFilter(new AnnotationTypeFilter(Aspect.class));
Set<BeanDefinition> candidates = provider.findCandidateComponents(TEST_BASE_PACKAGE);
assertEquals(1, candidates.size());
assertTrue(containsBeanClass(candidates, ServiceInvocationCounter.class));
}
/**
* Extract contents from String of form {@code pertarget(contents)}.
*/
private String findPerClause(Class<?> aspectClass) {
String str = aspectClass.getAnnotation(Aspect.class).value();
str = str.substring(str.indexOf("(") + 1);
str = str.substring(0, str.length() - 1);
return str;
}
private void generateDeepLinkService(TypeElement serviceElements,
List<AddressElement> deepLinkMatchElements)
throws IOException {
ClassName providerClassName = getServiceProviderClassName(serviceElements);
MethodSpec initMethod = generateInitMethod(deepLinkMatchElements);
FieldSpec activity = FieldSpec
.builder(DEEP_LINK_CLIENT, "deepLinkClient",
Modifier.PUBLIC)
.build();
MethodSpec activityConstructor = MethodSpec.constructorBuilder()
.addModifiers(Modifier.PUBLIC)
.addParameter(DEEP_LINK_CLIENT, "deepLinkClient")
.addCode("this.deepLinkClient= deepLinkClient;\n")
.build();
TypeSpec.Builder serviceProviderBuilder = TypeSpec.classBuilder(providerClassName)
.addModifiers(Modifier.PUBLIC, Modifier.FINAL)
.addAnnotation(AnnotationSpec.builder(Aspect.class).build())
.addSuperinterface(ClassName.get(serviceElements))
.addField(activity)
.addMethod(activityConstructor)
.addMethod(initMethod);
for (AddressElement matchElement : deepLinkMatchElements) {
ExecutableElement element = (ExecutableElement) matchElement.getElement();
serviceProviderBuilder.addMethod(geneOverServiceMethod(element));
}
MethodSpec buildMethodSpec = generateBuildMethod(serviceElements);
serviceProviderBuilder.addMethod(buildMethodSpec);
JavaFile.builder(ClassName.get(serviceElements).packageName(), serviceProviderBuilder.build())
.build()
.writeTo(filer);
}
@Override
public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
List<InterceptorElement> interceptorElements = generateInterceptorElements(roundEnv);
if (ElementUtils.isEmpty(interceptorElements)) {
return false;
}
for (InterceptorElement interceptorElement : interceptorElements) {
String path = interceptorElement.getPath();
MethodSpec.Builder methodBuilder;
if (path == null || path.length() == 0) {
methodBuilder = geneGlobalInterceptorsBuilder(interceptorElement);
}else {
methodBuilder = genePathInterceptorsBuilder(interceptorElement);
}
try {
TypeSpec.Builder interceptorInitBuilder = TypeSpec.classBuilder(interceptorElement.getInitClassName())
.addModifiers(Modifier.PUBLIC, Modifier.FINAL)
.addAnnotation(AnnotationSpec
.builder(Aspect.class)
.build())
.addMethod(methodBuilder.build());
JavaFile.builder(interceptorElement.getPackageName(), interceptorInitBuilder.build())
.build()
.writeTo(filer);
} catch (IOException e) {
logger.error("Error creating matcher file", interceptorElement.getElement());
}
}
return true;
}
/**
* Extract contents from String of form {@code pertarget(contents)}.
*/
private String findPerClause(Class<?> aspectClass) {
// TODO when AspectJ provides this, we can remove this hack. Hence we don't
// bother to make it elegant. Or efficient. Or robust :-)
String str = aspectClass.getAnnotation(Aspect.class).value();
str = str.substring(str.indexOf("(") + 1);
str = str.substring(0, str.length() - 1);
return str;
}
@Test
public void testWithAspectAnnotationOnly() throws Exception {
ClassPathScanningCandidateComponentProvider provider = new ClassPathScanningCandidateComponentProvider(false);
provider.addIncludeFilter(new AnnotationTypeFilter(Aspect.class));
Set<BeanDefinition> candidates = provider.findCandidateComponents(TEST_BASE_PACKAGE);
assertEquals(1, candidates.size());
assertTrue(containsBeanClass(candidates, ServiceInvocationCounter.class));
}
private boolean checkIfNeedRegister(ConfigurableBeanFactory beanFactory, BeanDefinition beanDefinition) {
return beanDefinition.getBeanClass().isAnnotationPresent(Aspect.class) && !beanFactory.containSingleton(beanDefinition.getBeanName());
}
private boolean hasAspectAnnotation(Class<?> clazz) {
return (AnnotationUtils.findAnnotation(clazz, Aspect.class) != null);
}
private boolean hasAspectAnnotation(Class<?> clazz) {
return (AnnotationUtils.findAnnotation(clazz, Aspect.class) != null);
}
private boolean hasAspectAnnotation(Class<?> clazz) {
return (AnnotationUtils.findAnnotation(clazz, Aspect.class) != null);
}
@Override
public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
List<Element> injectElements = new ArrayList<>();
List<Element> queryElements = generateQueryElements(roundEnv);
List<Element> serviceElements = generateServiceElements(roundEnv);
injectElements.addAll(queryElements);
injectElements.addAll(serviceElements);
if (ElementUtils.isEmpty(injectElements)) {
return false;
}
targetInjectElements = findInjectElements(injectElements);
if (ElementUtils.isEmpty(targetInjectElements)) {
return false;
}
for (Map.Entry<TypeElement, List<Element>> injectElementEntrySet : targetInjectElements.entrySet()) {
TypeElement targetElement = injectElementEntrySet.getKey();
List<Element> fieldElements = injectElementEntrySet.getValue();
MethodSpec injectQueryMethod = geneOnCreateQueryMethod(targetElement, fieldElements);
MethodSpec injectServiceMethod = geneInjectServiceMethod(targetElement, fieldElements);
MethodSpec saveInstanceMethod = geneSaveInstanceMethod(targetElement, fieldElements);
MethodSpec newIntentMethod = geneOnNewIntentQueryMethod(targetElement, fieldElements);
String fileName = targetElement.getSimpleName() + INJECTOR_SUFFIX;
TypeSpec.Builder helper = TypeSpec.classBuilder(fileName)
.addModifiers(PUBLIC)
.addAnnotation(AnnotationSpec.builder(Aspect.class).build())
.addMethod(injectQueryMethod)
.addMethod(injectServiceMethod)
.addMethod(saveInstanceMethod);
TypeMirror typeMirror = elements.getTypeElement(ACTIVITY).asType();
if (types.isSubtype(targetElement.asType(), typeMirror)) {
helper.addMethod(newIntentMethod);
}
try {
PackageElement packageElement = (PackageElement) targetElement.getEnclosingElement();
JavaFile.builder(packageElement.getQualifiedName().toString(), helper.build()).build().writeTo(filer);
} catch (IOException e) {
logger.error("Error creating inject file", targetElement);
}
}
return true;
}
private boolean hasAspectAnnotation(Class<?> clazz) {
return (AnnotationUtils.findAnnotation(clazz, Aspect.class) != null);
}