Package org.apache.commons.jxpath
Interface DynamicPropertyHandler
- All Known Implementing Classes:
MapDynamicPropertyHandler
public interface DynamicPropertyHandler
A generic mechanism for accessing collections of name/value pairs.
Examples of such collections are HashMap, Properties,
ServletContext. In order to add support for a new such collection
type to JXPath, perform the following two steps:
- Build an implementation of the DynamicPropertyHandler interface for the desired collection type.
- Invoke the static method
JXPathIntrospector.registerDynamicClass(class, handlerClass)
"myMap/myKey"
"myMap[@name = 'myKey']"
"myMap[name(.) = 'myKey']"
- Version:
- $Revision: 652845 $ $Date: 2008-05-02 12:46:46 -0500 (Fri, 02 May 2008) $
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Method Summary
Modifier and TypeMethodDescriptiongetProperty
(Object object, String propertyName) Returns the value of the specified dynamic property.String[]
getPropertyNames
(Object object) Returns a list of dynamic property names for the supplied object.void
setProperty
(Object object, String propertyName, Object value) Modifies the value of the specified dynamic property.
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Method Details
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getPropertyNames
Returns a list of dynamic property names for the supplied object.- Parameters:
object
- to inspect- Returns:
- String[]
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getProperty
Returns the value of the specified dynamic property.- Parameters:
object
- to searchpropertyName
- to retrieve- Returns:
- Object
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setProperty
Modifies the value of the specified dynamic property.- Parameters:
object
- to modifypropertyName
- to modifyvalue
- to set
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