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## org.mule.config.spring.parsers
Class AbstractMuleBeanDefinitionParser

    java.lang.Object
      org.springframework.beans.factory.xml.AbstractBeanDefinitionParser
          org.mule.config.spring.parsers.AbstractMuleBeanDefinitionParser

All Implemented Interfaces:
  MuleDefinitionParser, MuleDefinitionParserConfiguration, org.springframework.beans.factory.xml.BeanDefinitionParser

Direct Known Subclasses:
  AbstractFlowConstructDefinitionParser, AbstractHierarchicalDefinitionParser, JmxAgentDefinitionParser, OrphanDefinitionParser, OrphanMapDefinitionParser

    public abstract class AbstractMuleBeanDefinitionParser

extends org.springframework.beans.factory.xml.AbstractBeanDefinitionParser
implements MuleDefinitionParser

This parser extends the Spring provided `AbstractBeanDefinitionParser` to provide additional features for consistently customising bean representations for Mule bean definition parsers. Most custom bean definition parsers in Mule will use this base class. The following enhancements are made -

1. A property name which ends with the suffix "-ref" is assumed to be a reference to another bean. Alternatively, a property can be explicitly registered as a bean reference via registerBeanReference()

   For example, `<bpm:connector bpms-ref="testBpms"/>` will automatically set a property "bpms" on the connector to reference a bean named "testBpms"

2. Attribute mappings can be registered to control how an attribute name in Mule Xml maps to the bean name in the object being created.

   For example - `addAlias("poolExhaustedAction", "poolExhaustedActionString");` Maps the 'poolExhaustedAction' to the 'poolExhaustedActionString' property on the bean being created.

3. Value Mappings can be used to map key value pairs from selection lists in the XML schema to property values on the bean being created. These are a comma-separated list of key=value pairs.

   For example - `addMapping("action", "NONE=0,ALWAYS_BEGIN=1,BEGIN_OR_JOIN=2,JOIN_IF_POSSIBLE=3");` The first argument is the bean name to set, the second argument is the set of possible key=value pairs

4. Provides an automatic way of setting the 'init-method' and 'destroy-method' for this object. This will then automatically wire the bean into the lifecycle of the Application context.
5. The 'singleton' property provides a fixed way to make sure the bean is always a singleton or not.
6. Collections will be automatically created and extended if the setter matches "property+s".

Note that this class is not multi-thread safe. The internal state is reset before each "use" by `preProcess(org.w3c.dom.Element)` which assumes sequential access.

See Also:
  `AbstractBeanDefinitionParser`

Field Summary
`static String` | `ATTRIBUTE_CLASS`
`static String` | `ATTRIBUTE_ID`
`static String` | `ATTRIBUTE_NAME`
`static String` | `ATTRIBUTE_REF`
`static String` | `ATTRIBUTE_REF_SUFFIX`
`static String` | `ATTRIBUTE_REFS`
`static String` | `ATTRIBUTE_REFS_SUFFIX`
`protected ReusablePropertyConfiguration` | `beanPropertyConfiguration`
`protected Log` | `logger` logger used by this class
`static String` | `ROOT_ELEMENT`
`protected boolean` | `singleton`

Fields inherited from class org.springframework.beans.factory.xml.AbstractBeanDefinitionParser
`ID_ATTRIBUTE, NAME_ATTRIBUTE`

Constructor Summary
`AbstractMuleBeanDefinitionParser()`

Method Summary
`MuleDefinitionParserConfiguration` | `addAlias(String alias, String propertyName)`
`MuleDefinitionParserConfiguration` | `addBeanFlag(String flag)`
`MuleDefinitionParserConfiguration` | `addCollection(String propertyName)`
`MuleDefinitionParserConfiguration` | `addIgnored(String propertyName)`
`MuleDefinitionParserConfiguration` | `addMapping(String propertyName, Map mappings)`
`MuleDefinitionParserConfiguration` | `addMapping(String propertyName, String mappings)`
`MuleDefinitionParserConfiguration` | `addMapping(String propertyName, ValueMap mappings)`
`MuleDefinitionParserConfiguration` | `addReference(String propertyName)`
`protected void` | `checkElementNameUnique(Element element)`
`protected org.springframework.beans.factory.support.BeanDefinitionBuilder` | `createBeanDefinitionBuilder(Element element, Class beanClass)`
`protected void` | `doParse(Element element, org.springframework.beans.factory.xml.ParserContext parserContext, org.springframework.beans.factory.support.BeanDefinitionBuilder builder)` Parse the supplied `Element` and populate the supplied `BeanDefinitionBuilder` as required.
`protected BeanAssembler` | `getBeanAssembler(Element element, org.springframework.beans.factory.support.BeanDefinitionBuilder bean)` Restricted use - does not include a target.
`BeanAssemblerFactory` | `getBeanAssemblerFactory()`
`protected abstract Class<?>` | `getBeanClass(Element element)` Determine the bean class corresponding to the supplied `Element`.
`protected Class<?>` | `getBeanClassFromAttribute(Element element)` Determine the bean class corresponding to the supplied `Element` based on an explicit "class" attribute.
`String` | `getBeanName(Element element)`
`protected Class` | `getClassConstraint()`
`protected Class` | `getClassInternal(Element element)`
`protected org.springframework.beans.factory.xml.ParserContext` | `getParserContext()`
`protected org.springframework.beans.factory.support.BeanDefinitionRegistry` | `getRegistry()`
`protected boolean` | `isAllowClassAttribute()`
`protected boolean` | `isSingleton()`
`protected boolean` | `isTopLevel(Element element)`
`org.springframework.beans.factory.support.AbstractBeanDefinition` | `muleParse(Element element, org.springframework.beans.factory.xml.ParserContext parserContext)`
`protected org.springframework.beans.factory.support.AbstractBeanDefinition` | `parseInternal(Element element, org.springframework.beans.factory.xml.ParserContext parserContext)` Creates a `BeanDefinitionBuilder` instance for the `bean Class` and passes it to the `doParse(org.w3c.dom.Element, org.springframework.beans.factory.xml.ParserContext, org.springframework.beans.factory.support.BeanDefinitionBuilder)` strategy method.
`protected void` | `postProcess(org.springframework.beans.factory.xml.ParserContext context, BeanAssembler assembler, Element element)` Hook method that derived classes can implement to inspect/change a bean definition after parsing is complete.
`protected void` | `preProcess(Element element)` Hook method that derived classes can implement to modify internal state before processing.
`protected void` | `processProperty(Attr attribute, BeanAssembler assembler)`
`MuleDefinitionParserConfiguration` | `registerPostProcessor(PostProcessor postProcessor)` These are appended to existing processors
`MuleDefinitionParserConfiguration` | `registerPreProcessor(PreProcessor preProcessor)` These are prepended to existing processors
`MuleDefinitionParserConfiguration` | `removeIgnored(String propertyName)`
`protected String` | `resolveId(Element element, org.springframework.beans.factory.support.AbstractBeanDefinition definition, org.springframework.beans.factory.xml.ParserContext parserContext)`
`protected void` | `setAllowClassAttribute(boolean allowClassAttribute)`
`void` | `setBeanAssemblerFactory(BeanAssemblerFactory beanAssemblerFactory)`
`protected void` | `setClassConstraint(Class classConstraint)`
`MuleDefinitionParserConfiguration` | `setIgnoredDefault(boolean ignoreAll)`
`protected void` | `setParserContext(org.springframework.beans.factory.xml.ParserContext parserContext)`
`protected void` | `setRegistry(org.springframework.beans.factory.support.BeanDefinitionRegistry registry)`

Methods inherited from class org.springframework.beans.factory.xml.AbstractBeanDefinitionParser
`parse, postProcessComponentDefinition, registerBeanDefinition, shouldFireEvents, shouldGenerateId, shouldGenerateIdAsFallback`

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

Methods inherited from interface org.springframework.beans.factory.xml.BeanDefinitionParser
`parse`

Field Detail

### ROOT_ELEMENT

    public static final String ROOT_ELEMENT

See Also:
  Constant Field Values

### ATTRIBUTE_ID

    public static final String ATTRIBUTE_ID

See Also:
  Constant Field Values

### ATTRIBUTE_NAME

    public static final String ATTRIBUTE_NAME

See Also:
  Constant Field Values

### ATTRIBUTE_CLASS

    public static final String ATTRIBUTE_CLASS

See Also:
  Constant Field Values

### ATTRIBUTE_REF

    public static final String ATTRIBUTE_REF

See Also:
  Constant Field Values

### ATTRIBUTE_REFS

    public static final String ATTRIBUTE_REFS

See Also:
  Constant Field Values

### ATTRIBUTE_REF_SUFFIX

    public static final String ATTRIBUTE_REF_SUFFIX

See Also:
  Constant Field Values

### ATTRIBUTE_REFS_SUFFIX

    public static final String ATTRIBUTE_REFS_SUFFIX

See Also:
  Constant Field Values

### logger

    protected transient Log logger

  logger used by this class

### beanPropertyConfiguration

    protected ReusablePropertyConfiguration beanPropertyConfiguration

### singleton

    protected boolean singleton

Constructor Detail

### AbstractMuleBeanDefinitionParser

    public AbstractMuleBeanDefinitionParser()

Method Detail

### addReference

    public MuleDefinitionParserConfiguration addReference(String propertyName)

  Specified by:
    `addReference` in interface `MuleDefinitionParserConfiguration`

### addMapping

    public MuleDefinitionParserConfiguration addMapping(String propertyName,
                                                        Map mappings)

  Specified by:
    `addMapping` in interface `MuleDefinitionParserConfiguration`

### addMapping

    public MuleDefinitionParserConfiguration addMapping(String propertyName,
                                                        String mappings)

  Specified by:
    `addMapping` in interface `MuleDefinitionParserConfiguration`

### addMapping

    public MuleDefinitionParserConfiguration addMapping(String propertyName,
                                                        ValueMap mappings)

  Specified by:
    `addMapping` in interface `MuleDefinitionParserConfiguration`

### addAlias

    public MuleDefinitionParserConfiguration addAlias(String alias,
                                                      String propertyName)

  Specified by:
    `addAlias` in interface `MuleDefinitionParserConfiguration`
  Parameters:
    `alias` - The attribute name
    `propertyName` - The bean property name
  Returns:
    This instance, allowing chaining during use, avoiding subclasses

### addCollection

    public MuleDefinitionParserConfiguration addCollection(String propertyName)

  Specified by:
    `addCollection` in interface `MuleDefinitionParserConfiguration`
  Parameters:
    `propertyName` - Property that is a collection
  Returns:
    This instance, allowing chaining during use, avoiding subclasses

### addIgnored

    public MuleDefinitionParserConfiguration addIgnored(String propertyName)

  Specified by:
    `addIgnored` in interface `MuleDefinitionParserConfiguration`
  Parameters:
    `propertyName` - Property that is to be ignored
  Returns:
    This instance, allowing chaining during use, avoiding subclasses

### removeIgnored

    public MuleDefinitionParserConfiguration removeIgnored(String propertyName)

  Specified by:
    `removeIgnored` in interface `MuleDefinitionParserConfiguration`

### setIgnoredDefault

    public MuleDefinitionParserConfiguration setIgnoredDefault(boolean ignoreAll)

  Specified by:
    `setIgnoredDefault` in interface `MuleDefinitionParserConfiguration`

### processProperty

    protected void processProperty(Attr attribute,
                                   BeanAssembler assembler)

### postProcess

    protected void postProcess(org.springframework.beans.factory.xml.ParserContext context,
                               BeanAssembler assembler,
                               Element element)

  Hook method that derived classes can implement to inspect/change a bean definition after parsing is complete.

  Parameters:
    `assembler` - the parsed (and probably totally defined) bean definition being built
    `element` - the XML element that was the source of the bean definition's metadata

### preProcess

    protected void preProcess(Element element)

  Hook method that derived classes can implement to modify internal state before processing. Here we make sure that the internal property configuration state is reset to the initial configuration for each element (it may be modified by the BeanAssembler) and that other mutable instance variables are cleared.

### parseInternal

    protected org.springframework.beans.factory.support.AbstractBeanDefinition parseInternal(Element element,
                                                                                             org.springframework.beans.factory.xml.ParserContext parserContext)

  Creates a `BeanDefinitionBuilder` instance for the `bean Class` and passes it to the `doParse(org.w3c.dom.Element, org.springframework.beans.factory.xml.ParserContext, org.springframework.beans.factory.support.BeanDefinitionBuilder)` strategy method.

  Specified by:
    `parseInternal` in class `org.springframework.beans.factory.xml.AbstractBeanDefinitionParser`
  Parameters:
    `element` - the element that is to be parsed into a single BeanDefinition
    `parserContext` - the object encapsulating the current state of the parsing process
  Returns:
    the BeanDefinition resulting from the parsing of the supplied `Element`
  Throws:
    `IllegalStateException` - if the bean `Class` returned from `getBeanClass(org.w3c.dom.Element)` is `null`
  See Also:
    `doParse(org.w3c.dom.Element, org.springframework.beans.factory.xml.ParserContext, org.springframework.beans.factory.support.BeanDefinitionBuilder)`

### setRegistry

    protected void setRegistry(org.springframework.beans.factory.support.BeanDefinitionRegistry registry)

### getRegistry

    protected org.springframework.beans.factory.support.BeanDefinitionRegistry getRegistry()

### checkElementNameUnique

    protected void checkElementNameUnique(Element element)

### createBeanDefinitionBuilder

    protected org.springframework.beans.factory.support.BeanDefinitionBuilder createBeanDefinitionBuilder(Element element,
                                                                                                          Class beanClass)

### getClassInternal

    protected Class getClassInternal(Element element)

### getBeanClassFromAttribute

    protected Class<?> getBeanClassFromAttribute(Element element)

  Determine the bean class corresponding to the supplied `Element` based on an explicit "class" attribute.

  Parameters:
    `element` - the `Element` that is being parsed
  Returns:
    the `Class` of the bean that is being defined via parsing the supplied `Element` (must not be `null`)
  See Also:
    `parseInternal(org.w3c.dom.Element,ParserContext)`

### getBeanClass

    protected abstract Class<?> getBeanClass(Element element)

  Determine the bean class corresponding to the supplied `Element`.

  Parameters:
    `element` - the `Element` that is being parsed
  Returns:
    the `Class` of the bean that is being defined via parsing the supplied `Element` (must not be `null`)
  See Also:
    `parseInternal(org.w3c.dom.Element,ParserContext)`

### doParse

    protected void doParse(Element element,
                           org.springframework.beans.factory.xml.ParserContext parserContext,
                           org.springframework.beans.factory.support.BeanDefinitionBuilder builder)

  Parse the supplied `Element` and populate the supplied `BeanDefinitionBuilder` as required.

  The default implementation delegates to the `doParse` version without ParserContext argument.

  Parameters:
    `element` - the XML element being parsed
    `parserContext` - the object encapsulating the current state of the parsing process
    `builder` - used to define the `BeanDefinition`

### resolveId

    protected String resolveId(Element element,
                               org.springframework.beans.factory.support.AbstractBeanDefinition definition,
                               org.springframework.beans.factory.xml.ParserContext parserContext)
                        throws org.springframework.beans.factory.BeanDefinitionStoreException

  Overrides:
    `resolveId` in class `org.springframework.beans.factory.xml.AbstractBeanDefinitionParser`
  Throws:
    `org.springframework.beans.factory.BeanDefinitionStoreException`

### isSingleton

    protected boolean isSingleton()

### getBeanAssembler

    protected BeanAssembler getBeanAssembler(Element element,
                                             org.springframework.beans.factory.support.BeanDefinitionBuilder bean)

  Restricted use - does not include a target. If possible, use `AbstractHierarchicalDefinitionParser.getBeanAssembler(org.w3c.dom.Element, org.springframework.beans.factory.support.BeanDefinitionBuilder)`

  Parameters:
    `bean` - The bean being constructed
  Returns:
    An assembler that automates Mule-specific logic for bean construction

### isAllowClassAttribute

    protected boolean isAllowClassAttribute()

### setAllowClassAttribute

    protected void setAllowClassAttribute(boolean allowClassAttribute)

### getClassConstraint

    protected Class getClassConstraint()

### setClassConstraint

    protected void setClassConstraint(Class classConstraint)

### getParserContext

    protected org.springframework.beans.factory.xml.ParserContext getParserContext()

### setParserContext

    protected void setParserContext(org.springframework.beans.factory.xml.ParserContext parserContext)

### isTopLevel

    protected boolean isTopLevel(Element element)

  Parameters:
    `element` - The element to test
  Returns:
    true if the element's parent is or similar

### muleParse

    public org.springframework.beans.factory.support.AbstractBeanDefinition muleParse(Element element,
                                                                                      org.springframework.beans.factory.xml.ParserContext parserContext)

  Specified by:
    `muleParse` in interface `MuleDefinitionParser`

### registerPreProcessor

    public MuleDefinitionParserConfiguration registerPreProcessor(PreProcessor preProcessor)

  Description copied from interface: `MuleDefinitionParserConfiguration`
  These are prepended to existing processors

  Specified by:
    `registerPreProcessor` in interface `MuleDefinitionParserConfiguration`

### registerPostProcessor

    public MuleDefinitionParserConfiguration registerPostProcessor(PostProcessor postProcessor)

  Description copied from interface: `MuleDefinitionParserConfiguration`
  These are appended to existing processors

  Specified by:
    `registerPostProcessor` in interface `MuleDefinitionParserConfiguration`

### getBeanAssemblerFactory

    public BeanAssemblerFactory getBeanAssemblerFactory()

### setBeanAssemblerFactory

    public void setBeanAssemblerFactory(BeanAssemblerFactory beanAssemblerFactory)

### getBeanName

    public String getBeanName(Element element)

  Specified by:
    `getBeanName` in interface `MuleDefinitionParser`

### addBeanFlag

    public MuleDefinitionParserConfiguration addBeanFlag(String flag)

  Specified by:
    `addBeanFlag` in interface `MuleDefinitionParserConfiguration`

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