org.cyberneko.html.filters
Class DefaultFilter

java.lang.Object
  org.cyberneko.html.filters.DefaultFilter

All Implemented Interfaces:

XMLComponent, XMLDocumentFilter, XMLDocumentSource, XMLDocumentHandler, HTMLComponent

Direct Known Subclasses:

ElementRemover, Identity, NamespaceBinder, Purifier, Writer

public class DefaultFilter
extends Object
implements XMLDocumentFilter, HTMLComponent

This class implements a filter that simply passes document events to the next handler. It can be used as a base class to simplify the development of new document filters.

Version:

$Id: DefaultFilter.java,v 1.7 2005/02/14 03:56:54 andyc Exp $

Author:

Andy Clark

Field Summary

protected XMLDocumentHandler	fDocumentHandler Document handler.
protected XMLDocumentSource	fDocumentSource Document source.

Constructor Summary

DefaultFilter()

Method Summary

void	characters(XMLString text, Augmentations augs) Characters.
void	comment(XMLString text, Augmentations augs) Comment.
void	doctypeDecl(String root, String publicId, String systemId, Augmentations augs) Doctype declaration.
void	emptyElement(QName element, XMLAttributes attributes, Augmentations augs) Empty element.
void	endCDATA(Augmentations augs) End CDATA section.
void	endDocument(Augmentations augs) End document.
void	endElement(QName element, Augmentations augs) End element.
void	endGeneralEntity(String name, Augmentations augs) End general entity.
void	endPrefixMapping(String prefix, Augmentations augs) End prefix mapping.
XMLDocumentHandler	getDocumentHandler() Returns the document handler.
XMLDocumentSource	getDocumentSource() Returns the document source.
Boolean	getFeatureDefault(String featureId) Returns the default state for a feature, or null if this component does not want to report a default value for this feature.
Object	getPropertyDefault(String propertyId) Returns the default state for a property, or null if this component does not want to report a default value for this property.
String[]	getRecognizedFeatures() Returns a list of feature identifiers that are recognized by this component.
String[]	getRecognizedProperties() Returns a list of property identifiers that are recognized by this component.
void	ignorableWhitespace(XMLString text, Augmentations augs) Ignorable whitespace.
protected static String[]	merge(String[] array1, String[] array2) Utility method for merging string arrays for recognized features and recognized properties.
void	processingInstruction(String target, XMLString data, Augmentations augs) Processing instruction.
void	reset(XMLComponentManager componentManager) Resets the component.
void	setDocumentHandler(XMLDocumentHandler handler) Sets the document handler.
void	setDocumentSource(XMLDocumentSource source) Sets the document source.
void	setFeature(String featureId, boolean state) Sets the state of a feature.
void	setProperty(String propertyId, Object value) Sets the value of a property.
void	startCDATA(Augmentations augs) Start CDATA section.
void	startDocument(XMLLocator locator, String encoding, Augmentations augs) Start document.
void	startDocument(XMLLocator locator, String encoding, NamespaceContext nscontext, Augmentations augs) Start document.
void	startElement(QName element, XMLAttributes attributes, Augmentations augs) Start element.
void	startGeneralEntity(String name, XMLResourceIdentifier id, String encoding, Augmentations augs) Start general entity.
void	startPrefixMapping(String prefix, String uri, Augmentations augs) Start prefix mapping.
void	textDecl(String version, String encoding, Augmentations augs) Text declaration.
void	xmlDecl(String version, String encoding, String standalone, Augmentations augs) XML declaration.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

fDocumentHandler

protected XMLDocumentHandler fDocumentHandler

Document handler.

fDocumentSource

protected XMLDocumentSource fDocumentSource

Document source.

Constructor Detail

DefaultFilter

public DefaultFilter()

Method Detail

setDocumentHandler

public void setDocumentHandler(XMLDocumentHandler handler)

Sets the document handler.

Specified by:

setDocumentHandler in interface XMLDocumentSource

getDocumentHandler

public XMLDocumentHandler getDocumentHandler()

Returns the document handler.

Specified by:

getDocumentHandler in interface XMLDocumentSource

setDocumentSource

public void setDocumentSource(XMLDocumentSource source)

Sets the document source.

Specified by:

setDocumentSource in interface XMLDocumentHandler

getDocumentSource

public XMLDocumentSource getDocumentSource()

Returns the document source.

Specified by:

getDocumentSource in interface XMLDocumentHandler

startDocument

public void startDocument(XMLLocator locator,
                          String encoding,
                          NamespaceContext nscontext,
                          Augmentations augs)
                   throws XNIException

Start document.

Specified by:

startDocument in interface XMLDocumentHandler

Throws:

XNIException

xmlDecl

public void xmlDecl(String version,
                    String encoding,
                    String standalone,
                    Augmentations augs)
             throws XNIException

XML declaration.

Specified by:

xmlDecl in interface XMLDocumentHandler

Throws:

XNIException

doctypeDecl

public void doctypeDecl(String root,
                        String publicId,
                        String systemId,
                        Augmentations augs)
                 throws XNIException

Doctype declaration.

Specified by:

doctypeDecl in interface XMLDocumentHandler

Throws:

XNIException

comment

public void comment(XMLString text,
                    Augmentations augs)
             throws XNIException

Comment.

Specified by:

comment in interface XMLDocumentHandler

Throws:

XNIException

processingInstruction

public void processingInstruction(String target,
                                  XMLString data,
                                  Augmentations augs)
                           throws XNIException

Processing instruction.

Specified by:

processingInstruction in interface XMLDocumentHandler

Throws:

XNIException

startElement

public void startElement(QName element,
                         XMLAttributes attributes,
                         Augmentations augs)
                  throws XNIException

Start element.

Specified by:

startElement in interface XMLDocumentHandler

Throws:

XNIException

emptyElement

public void emptyElement(QName element,
                         XMLAttributes attributes,
                         Augmentations augs)
                  throws XNIException

Empty element.

Specified by:

emptyElement in interface XMLDocumentHandler

Throws:

XNIException

characters

public void characters(XMLString text,
                       Augmentations augs)
                throws XNIException

Characters.

Specified by:

characters in interface XMLDocumentHandler

Throws:

XNIException

ignorableWhitespace

public void ignorableWhitespace(XMLString text,
                                Augmentations augs)
                         throws XNIException

Ignorable whitespace.

Specified by:

ignorableWhitespace in interface XMLDocumentHandler

Throws:

XNIException

startGeneralEntity

public void startGeneralEntity(String name,
                               XMLResourceIdentifier id,
                               String encoding,
                               Augmentations augs)
                        throws XNIException

Start general entity.

Specified by:

startGeneralEntity in interface XMLDocumentHandler

Throws:

XNIException

textDecl

public void textDecl(String version,
                     String encoding,
                     Augmentations augs)
              throws XNIException

Text declaration.

Specified by:

textDecl in interface XMLDocumentHandler

Throws:

XNIException

endGeneralEntity

public void endGeneralEntity(String name,
                             Augmentations augs)
                      throws XNIException

End general entity.

Specified by:

endGeneralEntity in interface XMLDocumentHandler

Throws:

XNIException

startCDATA

public void startCDATA(Augmentations augs)
                throws XNIException

Start CDATA section.

Specified by:

startCDATA in interface XMLDocumentHandler

Throws:

XNIException

endCDATA

public void endCDATA(Augmentations augs)
              throws XNIException

End CDATA section.

Specified by:

endCDATA in interface XMLDocumentHandler

Throws:

XNIException

endElement

public void endElement(QName element,
                       Augmentations augs)
                throws XNIException

End element.

Specified by:

endElement in interface XMLDocumentHandler

Throws:

XNIException

endDocument

public void endDocument(Augmentations augs)
                 throws XNIException

End document.

Specified by:

endDocument in interface XMLDocumentHandler

Throws:

XNIException

startDocument

public void startDocument(XMLLocator locator,
                          String encoding,
                          Augmentations augs)
                   throws XNIException

Start document.

Throws:

XNIException

startPrefixMapping

public void startPrefixMapping(String prefix,
                               String uri,
                               Augmentations augs)
                        throws XNIException

Start prefix mapping.

Throws:

XNIException

endPrefixMapping

public void endPrefixMapping(String prefix,
                             Augmentations augs)
                      throws XNIException

End prefix mapping.

Throws:

XNIException

getRecognizedFeatures

public String[] getRecognizedFeatures()

Returns a list of feature identifiers that are recognized by this component. This method may return null if no features are recognized by this component.

Specified by:

getRecognizedFeatures in interface XMLComponent

getFeatureDefault

public Boolean getFeatureDefault(String featureId)

Returns the default state for a feature, or null if this component does not want to report a default value for this feature.

Specified by:

getFeatureDefault in interface XMLComponent

Specified by:

getFeatureDefault in interface HTMLComponent

getRecognizedProperties

public String[] getRecognizedProperties()

Returns a list of property identifiers that are recognized by this component. This method may return null if no properties are recognized by this component.

Specified by:

getRecognizedProperties in interface XMLComponent

getPropertyDefault

public Object getPropertyDefault(String propertyId)

Returns the default state for a property, or null if this component does not want to report a default value for this property.

Specified by:

getPropertyDefault in interface XMLComponent

Specified by:

getPropertyDefault in interface HTMLComponent

reset

public void reset(XMLComponentManager componentManager)
           throws XMLConfigurationException

Resets the component. The component can query the component manager about any features and properties that affect the operation of the component.

Specified by:

reset in interface XMLComponent

Parameters:

componentManager - The component manager.

Throws:

XNIException - Thrown by component on initialization error.

XMLConfigurationException

setFeature

public void setFeature(String featureId,
                       boolean state)
                throws XMLConfigurationException

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.

Specified by:

setFeature in interface XMLComponent

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.

setProperty

public void setProperty(String propertyId,
                        Object value)
                 throws XMLConfigurationException

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.

Specified by:

setProperty in interface XMLComponent

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.

merge

protected static String[] merge(String[] array1,
                                String[] array2)

Utility method for merging string arrays for recognized features and recognized properties.