コード例 #1
0
  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")))));
    }
  }
  /**
   * Read the given {@link BeanMethod}, registering bean definitions with the BeanDefinitionRegistry
   * based on its contents.
   */
  private void loadBeanDefinitionsForBeanMethod(BeanMethod beanMethod) {
    ConfigurationClass configClass = beanMethod.getConfigurationClass();
    MethodMetadata metadata = beanMethod.getMetadata();
    String methodName = metadata.getMethodName();

    // Do we need to mark the bean as skipped by its condition?
    if (this.conditionEvaluator.shouldSkip(metadata, ConfigurationPhase.REGISTER_BEAN)) {
      configClass.skippedBeanMethods.add(methodName);
      return;
    }
    if (configClass.skippedBeanMethods.contains(methodName)) {
      return;
    }

    // Consider name and any aliases
    AnnotationAttributes bean = AnnotationConfigUtils.attributesFor(metadata, Bean.class);
    List<String> names = new ArrayList<String>(Arrays.asList(bean.getStringArray("name")));
    String beanName = (names.size() > 0 ? names.remove(0) : methodName);

    // Register aliases even when overridden
    for (String alias : names) {
      this.registry.registerAlias(beanName, alias);
    }

    // Has this effectively been overridden before (e.g. via XML)?
    if (isOverriddenByExistingDefinition(beanMethod, beanName)) {
      return;
    }

    ConfigurationClassBeanDefinition beanDef =
        new ConfigurationClassBeanDefinition(configClass, metadata);
    beanDef.setResource(configClass.getResource());
    beanDef.setSource(this.sourceExtractor.extractSource(metadata, configClass.getResource()));

    if (metadata.isStatic()) {
      // static @Bean method
      beanDef.setBeanClassName(configClass.getMetadata().getClassName());
      beanDef.setFactoryMethodName(methodName);
    } else {
      // instance @Bean method
      beanDef.setFactoryBeanName(configClass.getBeanName());
      beanDef.setUniqueFactoryMethodName(methodName);
    }
    beanDef.setAutowireMode(RootBeanDefinition.AUTOWIRE_CONSTRUCTOR);
    beanDef.setAttribute(
        RequiredAnnotationBeanPostProcessor.SKIP_REQUIRED_CHECK_ATTRIBUTE, Boolean.TRUE);

    AnnotationConfigUtils.processCommonDefinitionAnnotations(beanDef, metadata);

    Autowire autowire = bean.getEnum("autowire");
    if (autowire.isAutowire()) {
      beanDef.setAutowireMode(autowire.value());
    }

    String initMethodName = bean.getString("initMethod");
    if (StringUtils.hasText(initMethodName)) {
      beanDef.setInitMethodName(initMethodName);
    }

    String destroyMethodName = bean.getString("destroyMethod");
    if (destroyMethodName != null) {
      beanDef.setDestroyMethodName(destroyMethodName);
    }

    // Consider scoping
    ScopedProxyMode proxyMode = ScopedProxyMode.NO;
    // TODO Determine why type is hard coded to org.springframework.context.annotation.Scope,
    // since AnnotationScopeMetadataResolver supports a custom scope annotation type.
    AnnotationAttributes attributes = AnnotationConfigUtils.attributesFor(metadata, Scope.class);
    if (attributes != null) {
      beanDef.setScope(
          attributes.getAliasedString("value", Scope.class, configClass.getResource()));
      proxyMode = attributes.getEnum("proxyMode");
      if (proxyMode == ScopedProxyMode.DEFAULT) {
        proxyMode = ScopedProxyMode.NO;
      }
    }

    // Replace the original bean definition with the target one, if necessary
    BeanDefinition beanDefToRegister = beanDef;
    if (proxyMode != ScopedProxyMode.NO) {
      BeanDefinitionHolder proxyDef =
          ScopedProxyCreator.createScopedProxy(
              new BeanDefinitionHolder(beanDef, beanName),
              this.registry,
              proxyMode == ScopedProxyMode.TARGET_CLASS);
      beanDefToRegister =
          new ConfigurationClassBeanDefinition(
              (RootBeanDefinition) proxyDef.getBeanDefinition(), configClass, metadata);
    }

    if (logger.isDebugEnabled()) {
      logger.debug(
          String.format(
              "Registering bean definition for @Bean method %s.%s()",
              configClass.getMetadata().getClassName(), beanName));
    }

    this.registry.registerBeanDefinition(beanName, beanDefToRegister);
  }