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java.lang.Objectorg.springframework.beans.factory.xml.SimpleConstructorNamespaceHandler
public class SimpleConstructorNamespaceHandler
Simple NamespaceHandler implementation that maps custom
attributes directly through to bean properties. An important point to note is
that this NamespaceHandler does not have a corresponding schema
since there is no way to know in advance all possible attribute names.
An example of the usage of this NamespaceHandler is shown below:
<bean id="author" class="..TestBean" c:name="Enescu" c:work-ref="compositions"/>Here the '
c:name' corresponds directly to the 'name
' argument declared on the constructor of class 'TestBean'. The
'c:work-ref' attributes corresponds to the 'work'
argument and, rather than being the concrete value, it contains the name of
the bean that will be considered as a parameter.
Note: This implementation supports only named parameters - there is no
support for indexes or types. Further more, the names are used as hints by
the container which, by default, does type introspection.
SimplePropertyNamespaceHandler| Constructor Summary | |
|---|---|
SimpleConstructorNamespaceHandler()
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|
| Method Summary | |
|---|---|
BeanDefinitionHolder |
decorate(Node node,
BeanDefinitionHolder definition,
ParserContext parserContext)
Parse the specified Node and decorate the supplied
BeanDefinitionHolder, returning the decorated definition. |
void |
init()
Invoked by the DefaultBeanDefinitionDocumentReader after
construction but before any custom elements are parsed. |
BeanDefinition |
parse(Element element,
ParserContext parserContext)
Parse the specified Element and register any resulting
BeanDefinitions with the
BeanDefinitionRegistry
that is embedded in the supplied ParserContext. |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
|---|
public SimpleConstructorNamespaceHandler()
| Method Detail |
|---|
public void init()
NamespaceHandlerDefaultBeanDefinitionDocumentReader after
construction but before any custom elements are parsed.
init in interface NamespaceHandlerNamespaceHandlerSupport.registerBeanDefinitionParser(String, BeanDefinitionParser)
public BeanDefinition parse(Element element,
ParserContext parserContext)
NamespaceHandlerElement and register any resulting
BeanDefinitions with the
BeanDefinitionRegistry
that is embedded in the supplied ParserContext.
Implementations should return the primary BeanDefinition
that results from the parse phase if they wish to be used nested
inside (for example) a <property> tag.
Implementations may return null if they will
not be used in a nested scenario.
parse in interface NamespaceHandlerelement - the element that is to be parsed into one or more BeanDefinitionsparserContext - the object encapsulating the current state of the parsing process
BeanDefinition (can be null as explained above)
public BeanDefinitionHolder decorate(Node node,
BeanDefinitionHolder definition,
ParserContext parserContext)
NamespaceHandlerNode and decorate the supplied
BeanDefinitionHolder, returning the decorated definition.
The Node may be either an Attr or an
Element, depending on whether a custom attribute or element
is being parsed.
Implementations may choose to return a completely new definition,
which will replace the original definition in the resulting
BeanFactory.
The supplied ParserContext can be used to register any
additional beans needed to support the main definition.
decorate in interface NamespaceHandlernode - the source element or attribute that is to be parseddefinition - the current bean definitionparserContext - the object encapsulating the current state of the parsing process
null value is strictly speaking invalid, but will be leniently
treated like the case where the original bean definition gets returned.
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