Interface XMLComponent
- All Known Subinterfaces:
HTMLComponent
- All Known Implementing Classes:
DefaultFilter
,HTMLScanner
,HTMLTagBalancer
,HTMLWriterFilter
,NamespaceBinder
public interface XMLComponent
The component interface defines methods that must be implemented by
components in a parser configuration. The component methods allow the
component manager to initialize the component state and notify the component
when feature and property values change.
- See Also:
-
Method Summary
Modifier and TypeMethodDescriptiongetFeatureDefault
(String featureId) getPropertyDefault
(String propertyId) String[]
String[]
void
reset
(XMLComponentManager componentManager) Resets the component.void
setFeature
(String featureId, boolean state) Sets the state of a feature.void
setProperty
(String propertyId, Object value) Sets the value of a property.
-
Method Details
-
reset
Resets the component. The component can query the component manager about any features and properties that affect the operation of the component.- Parameters:
componentManager
- The component manager.- Throws:
XNIException
- Thrown by component on initialization error.XMLConfigurationException
-
getRecognizedFeatures
String[] getRecognizedFeatures()- Returns:
- an array of feature identifiers that are recognized by this component. This method may return null if no features are recognized by this component.
-
setFeature
Sets the state of a feature. This method is called by the component manager any time after reset when a feature changes state.Note: Components should silently ignore features that do not affect the operation of the component.
- Parameters:
featureId
- The feature identifier.state
- The state of the feature.- Throws:
XMLConfigurationException
- Thrown for configuration error. In general, components should only throw this exception if it is really a critical error.
-
getRecognizedProperties
String[] getRecognizedProperties()- Returns:
- an array of property identifiers that are recognized by this component. This method may return null if no properties are recognized by this component.
-
setProperty
Sets the value of a property. This method is called by the component manager any time after reset when a property changes value.Note: Components should silently ignore properties that do not affect the operation of the component.
- Parameters:
propertyId
- The property identifier.value
- The value of the property.- Throws:
XMLConfigurationException
- Thrown for configuration error. In general, components should only throw this exception if it is really a critical error.
-
getFeatureDefault
- Parameters:
featureId
- The feature identifier.- Returns:
- the default state for a feature, or null if this component does not want to report a default value for this feature.
-
getPropertyDefault
- Parameters:
propertyId
- The property identifier.- Returns:
- the default state for a property, or null if this component does not want to report a default value for this property
-