@Override
public void registerScope(String scopeName, Scope scope) {
	Assert.notNull(scopeName, "Scope identifier must not be null");
	Assert.notNull(scope, "Scope must not be null");
	if (SCOPE_SINGLETON.equals(scopeName) || SCOPE_PROTOTYPE.equals(scopeName)) {
		throw new IllegalArgumentException("Cannot replace existing scopes 'singleton' and 'prototype'");
	}
	Scope previous = this.scopes.put(scopeName, scope);
	if (previous != null && previous != scope) {
		if (logger.isDebugEnabled()) {
			logger.debug("Replacing scope '" + scopeName + "' from [" + previous + "] to [" + scope + "]");
		}
	}
	else {
		if (logger.isTraceEnabled()) {
			logger.trace("Registering scope '" + scopeName + "' with implementation [" + scope + "]");
		}
	}
}
 

@Override
public void destroyScopedBean(String beanName) {
	RootBeanDefinition mbd = getMergedLocalBeanDefinition(beanName);
	if (mbd.isSingleton() || mbd.isPrototype()) {
		throw new IllegalArgumentException(
				"Bean name '" + beanName + "' does not correspond to an object in a mutable scope");
	}
	String scopeName = mbd.getScope();
	Scope scope = this.scopes.get(scopeName);
	if (scope == null) {
		throw new IllegalStateException("No Scope SPI registered for scope name '" + scopeName + "'");
	}
	Object bean = scope.remove(beanName);
	if (bean != null) {
		destroyBean(beanName, bean, mbd);
	}
}
 

/**
 * Evaluate the given String as contained in a bean definition,
 * potentially resolving it as an expression.
 * @param value the value to check
 * @param beanDefinition the bean definition that the value comes from
 * @return the resolved value
 * @see #setBeanExpressionResolver
 */
@Nullable
protected Object evaluateBeanDefinitionString(@Nullable String value, @Nullable BeanDefinition beanDefinition) {
	if (this.beanExpressionResolver == null) {
		return value;
	}

	Scope scope = null;
	if (beanDefinition != null) {
		String scopeName = beanDefinition.getScope();
		if (scopeName != null) {
			scope = getRegisteredScope(scopeName);
		}
	}
	return this.beanExpressionResolver.evaluate(value, new BeanExpressionContext(this, scope));
}
 

/**
 * Add the given bean to the list of disposable beans in this factory,
 * registering its DisposableBean interface and/or the given destroy method
 * to be called on factory shutdown (if applicable). Only applies to singletons.
 * @param beanName the name of the bean
 * @param bean the bean instance
 * @param mbd the bean definition for the bean
 * @see RootBeanDefinition#isSingleton
 * @see RootBeanDefinition#getDependsOn
 * @see #registerDisposableBean
 * @see #registerDependentBean
 */
protected void registerDisposableBeanIfNecessary(String beanName, Object bean, RootBeanDefinition mbd) {
	AccessControlContext acc = (System.getSecurityManager() != null ? getAccessControlContext() : null);
	if (!mbd.isPrototype() && requiresDestruction(bean, mbd)) {
		if (mbd.isSingleton()) {
			// 单例模式
			// Register a DisposableBean implementation that performs all destruction
			// work for the given bean: DestructionAwareBeanPostProcessors,
			// DisposableBean interface, custom destroy method.
			// 注册 DisposableBean
			registerDisposableBean(beanName,
					new DisposableBeanAdapter(bean, beanName, mbd, getBeanPostProcessors(), acc));
		}
		else {
			// A bean with a custom scope...
			Scope scope = this.scopes.get(mbd.getScope());
			if (scope == null) {
				throw new IllegalStateException("No Scope registered for scope name '" + mbd.getScope() + "'");
			}
			scope.registerDestructionCallback(beanName,
					new DisposableBeanAdapter(bean, beanName, mbd, getBeanPostProcessors(), acc));
		}
	}
}
 

@Override
public void registerScope(String scopeName, Scope scope) {
	Assert.notNull(scopeName, "Scope identifier must not be null");
	Assert.notNull(scope, "Scope must not be null");
	if (SCOPE_SINGLETON.equals(scopeName) || SCOPE_PROTOTYPE.equals(scopeName)) {
		throw new IllegalArgumentException("Cannot replace existing scopes 'singleton' and 'prototype'");
	}
	Scope previous = this.scopes.put(scopeName, scope);
	if (previous != null && previous != scope) {
		if (logger.isDebugEnabled()) {
			logger.debug("Replacing scope '" + scopeName + "' from [" + previous + "] to [" + scope + "]");
		}
	}
	else {
		if (logger.isTraceEnabled()) {
			logger.trace("Registering scope '" + scopeName + "' with implementation [" + scope + "]");
		}
	}
}
 

@Override
public void destroyScopedBean(String beanName) {
	RootBeanDefinition mbd = getMergedLocalBeanDefinition(beanName);
	if (mbd.isSingleton() || mbd.isPrototype()) {
		throw new IllegalArgumentException(
				"Bean name '" + beanName + "' does not correspond to an object in a mutable scope");
	}
	String scopeName = mbd.getScope();
	Scope scope = this.scopes.get(scopeName);
	if (scope == null) {
		throw new IllegalStateException("No Scope SPI registered for scope name '" + scopeName + "'");
	}
	Object bean = scope.remove(beanName);
	if (bean != null) {
		destroyBean(beanName, bean, mbd);
	}
}
 

/**
 * Evaluate the given String as contained in a bean definition,
 * potentially resolving it as an expression.
 * @param value the value to check
 * @param beanDefinition the bean definition that the value comes from
 * @return the resolved value
 * @see #setBeanExpressionResolver
 */
@Nullable
protected Object evaluateBeanDefinitionString(@Nullable String value, @Nullable BeanDefinition beanDefinition) {
	if (this.beanExpressionResolver == null) {
		return value;
	}

	Scope scope = null;
	if (beanDefinition != null) {
		String scopeName = beanDefinition.getScope();
		if (scopeName != null) {
			scope = getRegisteredScope(scopeName);
		}
	}
	return this.beanExpressionResolver.evaluate(value, new BeanExpressionContext(this, scope));
}
 

/**
 * Add the given bean to the list of disposable beans in this factory,
 * registering its DisposableBean interface and/or the given destroy method
 * to be called on factory shutdown (if applicable). Only applies to singletons.
 * @param beanName the name of the bean
 * @param bean the bean instance
 * @param mbd the bean definition for the bean
 * @see RootBeanDefinition#isSingleton
 * @see RootBeanDefinition#getDependsOn
 * @see #registerDisposableBean
 * @see #registerDependentBean
 */
protected void registerDisposableBeanIfNecessary(String beanName, Object bean, RootBeanDefinition mbd) {
	AccessControlContext acc = (System.getSecurityManager() != null ? getAccessControlContext() : null);
	if (!mbd.isPrototype() && requiresDestruction(bean, mbd)) {
		if (mbd.isSingleton()) {
			// Register a DisposableBean implementation that performs all destruction
			// work for the given bean: DestructionAwareBeanPostProcessors,
			// DisposableBean interface, custom destroy method.
			registerDisposableBean(beanName,
					new DisposableBeanAdapter(bean, beanName, mbd, getBeanPostProcessors(), acc));
		}
		else {
			// A bean with a custom scope...
			Scope scope = this.scopes.get(mbd.getScope());
			if (scope == null) {
				throw new IllegalStateException("No Scope registered for scope name '" + mbd.getScope() + "'");
			}
			scope.registerDestructionCallback(beanName,
					new DisposableBeanAdapter(bean, beanName, mbd, getBeanPostProcessors(), acc));
		}
	}
}
 

@Override
public void registerScope(String scopeName, Scope scope) {
	Assert.notNull(scopeName, "Scope identifier must not be null");
	Assert.notNull(scope, "Scope must not be null");
	if (SCOPE_SINGLETON.equals(scopeName) || SCOPE_PROTOTYPE.equals(scopeName)) {
		throw new IllegalArgumentException("Cannot replace existing scopes 'singleton' and 'prototype'");
	}
	Scope previous = this.scopes.put(scopeName, scope);
	if (previous != null && previous != scope) {
		if (logger.isInfoEnabled()) {
			logger.info("Replacing scope '" + scopeName + "' from [" + previous + "] to [" + scope + "]");
		}
	}
	else {
		if (logger.isDebugEnabled()) {
			logger.debug("Registering scope '" + scopeName + "' with implementation [" + scope + "]");
		}
	}
}
 

@Override
public void destroyScopedBean(String beanName) {
	RootBeanDefinition mbd = getMergedLocalBeanDefinition(beanName);
	if (mbd.isSingleton() || mbd.isPrototype()) {
		throw new IllegalArgumentException(
				"Bean name '" + beanName + "' does not correspond to an object in a mutable scope");
	}
	String scopeName = mbd.getScope();
	Scope scope = this.scopes.get(scopeName);
	if (scope == null) {
		throw new IllegalStateException("No Scope SPI registered for scope name '" + scopeName + "'");
	}
	Object bean = scope.remove(beanName);
	if (bean != null) {
		destroyBean(beanName, bean, mbd);
	}
}
 

/**
 * Add the given bean to the list of disposable beans in this factory,
 * registering its DisposableBean interface and/or the given destroy method
 * to be called on factory shutdown (if applicable). Only applies to singletons.
 * @param beanName the name of the bean
 * @param bean the bean instance
 * @param mbd the bean definition for the bean
 * @see RootBeanDefinition#isSingleton
 * @see RootBeanDefinition#getDependsOn
 * @see #registerDisposableBean
 * @see #registerDependentBean
 */
protected void registerDisposableBeanIfNecessary(String beanName, Object bean, RootBeanDefinition mbd) {
	AccessControlContext acc = (System.getSecurityManager() != null ? getAccessControlContext() : null);
	if (!mbd.isPrototype() && requiresDestruction(bean, mbd)) {
		if (mbd.isSingleton()) {
			// Register a DisposableBean implementation that performs all destruction
			// work for the given bean: DestructionAwareBeanPostProcessors,
			// DisposableBean interface, custom destroy method.
			registerDisposableBean(beanName,
					new DisposableBeanAdapter(bean, beanName, mbd, getBeanPostProcessors(), acc));
		}
		else {
			// A bean with a custom scope...
			Scope scope = this.scopes.get(mbd.getScope());
			if (scope == null) {
				throw new IllegalStateException("No Scope registered for scope name '" + mbd.getScope() + "'");
			}
			scope.registerDestructionCallback(beanName,
					new DisposableBeanAdapter(bean, beanName, mbd, getBeanPostProcessors(), acc));
		}
	}
}
 

@Override
public void destroyScopedBean(String beanName) {
	RootBeanDefinition mbd = getMergedLocalBeanDefinition(beanName);
	if (mbd.isSingleton() || mbd.isPrototype()) {
		throw new IllegalArgumentException(
				"Bean name '" + beanName + "' does not correspond to an object in a mutable scope");
	}
	String scopeName = mbd.getScope();
	Scope scope = this.scopes.get(scopeName);
	if (scope == null) {
		throw new IllegalStateException("No Scope SPI registered for scope '" + scopeName + "'");
	}
	Object bean = scope.remove(beanName);
	if (bean != null) {
		destroyBean(beanName, bean, mbd);
	}
}
 

/**
 * Add the given bean to the list of disposable beans in this factory,
 * registering its DisposableBean interface and/or the given destroy method
 * to be called on factory shutdown (if applicable). Only applies to singletons.
 * @param beanName the name of the bean
 * @param bean the bean instance
 * @param mbd the bean definition for the bean
 * @see RootBeanDefinition#isSingleton
 * @see RootBeanDefinition#getDependsOn
 * @see #registerDisposableBean
 * @see #registerDependentBean
 */
protected void registerDisposableBeanIfNecessary(String beanName, Object bean, RootBeanDefinition mbd) {
	AccessControlContext acc = (System.getSecurityManager() != null ? getAccessControlContext() : null);
	if (!mbd.isPrototype() && requiresDestruction(bean, mbd)) {
		if (mbd.isSingleton()) {
			// Register a DisposableBean implementation that performs all destruction
			// work for the given bean: DestructionAwareBeanPostProcessors,
			// DisposableBean interface, custom destroy method.
			registerDisposableBean(beanName,
					new DisposableBeanAdapter(bean, beanName, mbd, getBeanPostProcessors(), acc));
		}
		else {
			// A bean with a custom scope...
			Scope scope = this.scopes.get(mbd.getScope());
			if (scope == null) {
				throw new IllegalStateException("No Scope registered for scope '" + mbd.getScope() + "'");
			}
			scope.registerDestructionCallback(beanName,
					new DisposableBeanAdapter(bean, beanName, mbd, getBeanPostProcessors(), acc));
		}
	}
}
 

@Override
public void registerScope(String scopeName, Scope scope) {
	Assert.notNull(scopeName, "Scope identifier must not be null");
	Assert.notNull(scope, "Scope must not be null");
	if (SCOPE_SINGLETON.equals(scopeName) || SCOPE_PROTOTYPE.equals(scopeName)) {
		throw new IllegalArgumentException("Cannot replace existing scopes 'singleton' and 'prototype'");
	}
	Scope previous = this.scopes.put(scopeName, scope);
	if (previous != null && previous != scope) {
		if (logger.isInfoEnabled()) {
			logger.info("Replacing scope '" + scopeName + "' from [" + previous + "] to [" + scope + "]");
		}
	}
	else {
		if (logger.isDebugEnabled()) {
			logger.debug("Registering scope '" + scopeName + "' with implementation [" + scope + "]");
		}
	}
}
 

@Override
public void destroyScopedBean(String beanName) {
	RootBeanDefinition mbd = getMergedLocalBeanDefinition(beanName);
	if (mbd.isSingleton() || mbd.isPrototype()) {
		throw new IllegalArgumentException(
				"Bean name '" + beanName + "' does not correspond to an object in a mutable scope");
	}
	String scopeName = mbd.getScope();
	Scope scope = this.scopes.get(scopeName);
	if (scope == null) {
		throw new IllegalStateException("No Scope SPI registered for scope name '" + scopeName + "'");
	}
	Object bean = scope.remove(beanName);
	if (bean != null) {
		destroyBean(beanName, bean, mbd);
	}
}
 

/**
 * Add the given bean to the list of disposable beans in this factory,
 * registering its DisposableBean interface and/or the given destroy method
 * to be called on factory shutdown (if applicable). Only applies to singletons.
 * @param beanName the name of the bean
 * @param bean the bean instance
 * @param mbd the bean definition for the bean
 * @see RootBeanDefinition#isSingleton
 * @see RootBeanDefinition#getDependsOn
 * @see #registerDisposableBean
 * @see #registerDependentBean
 */
protected void registerDisposableBeanIfNecessary(String beanName, Object bean, RootBeanDefinition mbd) {
	AccessControlContext acc = (System.getSecurityManager() != null ? getAccessControlContext() : null);
	if (!mbd.isPrototype() && requiresDestruction(bean, mbd)) {
		if (mbd.isSingleton()) {
			// Register a DisposableBean implementation that performs all destruction
			// work for the given bean: DestructionAwareBeanPostProcessors,
			// DisposableBean interface, custom destroy method.
			registerDisposableBean(beanName,
					new DisposableBeanAdapter(bean, beanName, mbd, getBeanPostProcessors(), acc));
		}
		else {
			// A bean with a custom scope...
			Scope scope = this.scopes.get(mbd.getScope());
			if (scope == null) {
				throw new IllegalStateException("No Scope registered for scope name '" + mbd.getScope() + "'");
			}
			scope.registerDestructionCallback(beanName,
					new DisposableBeanAdapter(bean, beanName, mbd, getBeanPostProcessors(), acc));
		}
	}
}
 

@Override
public void registerScope(String scopeName, Scope scope) {
	Assert.notNull(scopeName, "Scope identifier must not be null");
	Assert.notNull(scope, "Scope must not be null");
	if (SCOPE_SINGLETON.equals(scopeName) || SCOPE_PROTOTYPE.equals(scopeName)) {
		throw new IllegalArgumentException("Cannot replace existing scopes 'singleton' and 'prototype'");
	}
	this.scopes.put(scopeName, scope);
}
 

private Object evaluateBeanDefinitionString(ConfigurableBeanFactory beanFactory, String value,
    BeanDefinition beanDefinition) {
  if (beanFactory.getBeanExpressionResolver() == null) {
    return value;
  }
  Scope scope = (beanDefinition != null ? beanFactory
      .getRegisteredScope(beanDefinition.getScope()) : null);
  return beanFactory.getBeanExpressionResolver()
      .evaluate(value, new BeanExpressionContext(beanFactory, scope));
}
 

/**
 * Returns a property value for the bean with the given name from the dictionary.
 *
 * @param beanName id or name for the bean definition
 * @param propertyName name of the property to retrieve, must be a valid property configured on
 * the bean definition
 * @return Object property value for property
 */
public Object getDictionaryBeanProperty(String beanName, String propertyName) {
    Object bean = ddBeans.getSingleton(beanName);
    if (bean != null) {
        return ObjectPropertyUtils.getPropertyValue(bean, propertyName);
    }

    BeanDefinition beanDefinition = ddBeans.getMergedBeanDefinition(beanName);

    if (beanDefinition == null) {
        throw new RuntimeException("Unable to get bean for bean name: " + beanName);
    }

    PropertyValues pvs = beanDefinition.getPropertyValues();
    if (pvs.contains(propertyName)) {
        PropertyValue propertyValue = pvs.getPropertyValue(propertyName);

        Object value;
        if (propertyValue.isConverted()) {
            value = propertyValue.getConvertedValue();
        } else if (propertyValue.getValue() instanceof String) {
            String unconvertedValue = (String) propertyValue.getValue();
            Scope scope = ddBeans.getRegisteredScope(beanDefinition.getScope());
            BeanExpressionContext beanExpressionContext = new BeanExpressionContext(ddBeans, scope);

            value = ddBeans.getBeanExpressionResolver().evaluate(unconvertedValue, beanExpressionContext);
        } else {
            value = propertyValue.getValue();
        }

        return value;
    }

    return null;
}
 

@Override
public void prepareTestInstance(TestContext testContext) throws Exception {

    if (testContext.getApplicationContext() instanceof GenericApplicationContext) {
        GenericApplicationContext context = (GenericApplicationContext) testContext.getApplicationContext();
        ConfigurableListableBeanFactory beanFactory = context.getBeanFactory();
        Scope requestScope = new SimpleThreadScope();
        beanFactory.registerScope("request", requestScope);
        Scope sessionScope = new SimpleThreadScope();
        beanFactory.registerScope("session", sessionScope);
    }
}
 

@Override
@Nullable
public Scope getRegisteredScope(String scopeName) {
	Assert.notNull(scopeName, "Scope identifier must not be null");
	return this.scopes.get(scopeName);
}
 

@Override
@Nullable
public Scope getRegisteredScope(String scopeName) {
	Assert.notNull(scopeName, "Scope identifier must not be null");
	return this.scopes.get(scopeName);
}
 

@Override
public Scope getRegisteredScope(String scopeName) {
	Assert.notNull(scopeName, "Scope identifier must not be null");
	return this.scopes.get(scopeName);
}
 

@Override
public Scope getRegisteredScope(String scopeName) {
	Assert.notNull(scopeName, "Scope identifier must not be null");
	return this.scopes.get(scopeName);
}
 

@Override
public Scope getRegisteredScope(String scopeName) {
	Assert.notNull(scopeName, "Scope identifier must not be null");
	return this.scopes.get(scopeName);
}
 

/**
 * Evaluate the given String as contained in a bean definition,
 * potentially resolving it as an expression.
 * @param value the value to check
 * @param beanDefinition the bean definition that the value comes from
 * @return the resolved value
 * @see #setBeanExpressionResolver
 */
protected Object evaluateBeanDefinitionString(String value, BeanDefinition beanDefinition) {
	if (this.beanExpressionResolver == null) {
		return value;
	}
	Scope scope = (beanDefinition != null ? getRegisteredScope(beanDefinition.getScope()) : null);
	return this.beanExpressionResolver.evaluate(value, new BeanExpressionContext(this, scope));
}
 

/**
 * Evaluate the given String as contained in a bean definition,
 * potentially resolving it as an expression.
 * @param value the value to check
 * @param beanDefinition the bean definition that the value comes from
 * @return the resolved value
 * @see #setBeanExpressionResolver
 */
protected Object evaluateBeanDefinitionString(String value, BeanDefinition beanDefinition) {
	if (this.beanExpressionResolver == null) {
		return value;
	}
	Scope scope = (beanDefinition != null ? getRegisteredScope(beanDefinition.getScope()) : null);
	return this.beanExpressionResolver.evaluate(value, new BeanExpressionContext(this, scope));
}
 

/**
 * Evaluate the given String as contained in a bean definition,
 * potentially resolving it as an expression.
 * @param value the value to check
 * @param beanDefinition the bean definition that the value comes from
 * @return the resolved value
 * @see #setBeanExpressionResolver
 */
protected Object evaluateBeanDefinitionString(String value, BeanDefinition beanDefinition) {
	if (this.beanExpressionResolver == null) {
		return value;
	}
	Scope scope = (beanDefinition != null ? getRegisteredScope(beanDefinition.getScope()) : null);
	return this.beanExpressionResolver.evaluate(value, new BeanExpressionContext(this, scope));
}