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## org.springframework.beans.factory.support
Class BeanDefinitionReaderUtils

    java.lang.Object
      org.springframework.beans.factory.support.BeanDefinitionReaderUtils

    public class BeanDefinitionReaderUtils

extends Object

Utility methods that are useful for bean definition reader implementations. Mainly intended for internal use.

Since:
  1.1
Author:
  Juergen Hoeller, Rob Harrop
See Also:
  `PropertiesBeanDefinitionReader`, `DefaultBeanDefinitionDocumentReader`

Field Summary
`static String` | `GENERATED_BEAN_NAME_SEPARATOR` Separator for generated bean names.

Constructor Summary
`BeanDefinitionReaderUtils()`

Method Summary
`static AbstractBeanDefinition` | `createBeanDefinition(String parentName, String className, ClassLoader classLoader)` Create a new GenericBeanDefinition for the given parent name and class name, eagerly loading the bean class if a ClassLoader has been specified.
`static String` | `generateBeanName(BeanDefinition beanDefinition, BeanDefinitionRegistry registry)` Generate a bean name for the given top-level bean definition, unique within the given bean factory.
`static String` | `generateBeanName(BeanDefinition definition, BeanDefinitionRegistry registry, boolean isInnerBean)` Generate a bean name for the given bean definition, unique within the given bean factory.
`static void` | `registerBeanDefinition(BeanDefinitionHolder definitionHolder, BeanDefinitionRegistry registry)` Register the given bean definition with the given bean factory.
`static String` | `registerWithGeneratedName(AbstractBeanDefinition definition, BeanDefinitionRegistry registry)` Register the given bean definition with a generated name, unique within the given bean factory.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

### GENERATED_BEAN_NAME_SEPARATOR

    public static final String GENERATED_BEAN_NAME_SEPARATOR

  Separator for generated bean names. If a class name or parent name is not unique, "#1", "#2" etc will be appended, until the name becomes unique.

  See Also:
    Constant Field Values

Constructor Detail

### BeanDefinitionReaderUtils

    public BeanDefinitionReaderUtils()

Method Detail

### createBeanDefinition

    public static AbstractBeanDefinition createBeanDefinition(String parentName,
                                                              String className,
                                                              ClassLoader classLoader)
                                                       throws ClassNotFoundException

  Create a new GenericBeanDefinition for the given parent name and class name, eagerly loading the bean class if a ClassLoader has been specified.

  Parameters:
    `parentName` - the name of the parent bean, if any
    `className` - the name of the bean class, if any
    `classLoader` - the ClassLoader to use for loading bean classes (can be `null` to just register bean classes by name)
  Returns:
    the bean definition
  Throws:
    `ClassNotFoundException` - if the bean class could not be loaded

### generateBeanName

    public static String generateBeanName(BeanDefinition definition,
                                          BeanDefinitionRegistry registry,
                                          boolean isInnerBean)
                                   throws BeanDefinitionStoreException

  Generate a bean name for the given bean definition, unique within the given bean factory.

  Parameters:
    `definition` - the bean definition to generate a bean name for
    `registry` - the bean factory that the definition is going to be registered with (to check for existing bean names)
    `isInnerBean` - whether the given bean definition will be registered as inner bean or as top-level bean (allowing for special name generation for inner beans versus top-level beans)
  Returns:
    the generated bean name
  Throws:
    `BeanDefinitionStoreException` - if no unique name can be generated for the given bean definition

### generateBeanName

    public static String generateBeanName(BeanDefinition beanDefinition,
                                          BeanDefinitionRegistry registry)
                                   throws BeanDefinitionStoreException

  Generate a bean name for the given top-level bean definition, unique within the given bean factory.

  Parameters:
    `beanDefinition` - the bean definition to generate a bean name for
    `registry` - the bean factory that the definition is going to be registered with (to check for existing bean names)
  Returns:
    the generated bean name
  Throws:
    `BeanDefinitionStoreException` - if no unique name can be generated for the given bean definition

### registerBeanDefinition

    public static void registerBeanDefinition(BeanDefinitionHolder definitionHolder,
                                              BeanDefinitionRegistry registry)
                                       throws BeanDefinitionStoreException

  Register the given bean definition with the given bean factory.

  Parameters:
    `definitionHolder` - the bean definition including name and aliases
    `registry` - the bean factory to register with
  Throws:
    `BeanDefinitionStoreException` - if registration failed

### registerWithGeneratedName

    public static String registerWithGeneratedName(AbstractBeanDefinition definition,
                                                   BeanDefinitionRegistry registry)
                                            throws BeanDefinitionStoreException

  Register the given bean definition with a generated name, unique within the given bean factory.

  Parameters:
    `definition` - the bean definition to generate a bean name for
    `registry` - the bean factory to register with
  Returns:
    the generated bean name
  Throws:
    `BeanDefinitionStoreException` - if no unique name can be generated for the given bean definition or the definition cannot be registered

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