Android APIs
public class

XMLFilterImpl

extends Object
implements XMLFilter EntityResolver DTDHandler ContentHandler ErrorHandler
java.lang.Object
   ↳ org.xml.sax.helpers.XMLFilterImpl

Class Overview

Base class for deriving an XML filter.

This module, both source code and documentation, is in the Public Domain, and comes with NO WARRANTY. See http://www.saxproject.org for further information.

This class is designed to sit between an XMLReader and the client application's event handlers. By default, it does nothing but pass requests up to the reader and events on to the handlers unmodified, but subclasses can override specific methods to modify the event stream or the configuration requests as they pass through.

See Also

Summary

Public Constructors
XMLFilterImpl()
Construct an empty XML filter, with no parent.
XMLFilterImpl(XMLReader parent)
Construct an XML filter with the specified parent.
Public Methods
void characters(char[] ch, int start, int length)
Filter a character data event.
void endDocument()
Filter an end document event.
void endElement(String uri, String localName, String qName)
Filter an end element event.
void endPrefixMapping(String prefix)
Filter an end Namespace prefix mapping event.
void error(SAXParseException e)
Filter an error event.
void fatalError(SAXParseException e)
Filter a fatal error event.
ContentHandler getContentHandler()
Get the content event handler.
DTDHandler getDTDHandler()
Get the current DTD event handler.
EntityResolver getEntityResolver()
Get the current entity resolver.
ErrorHandler getErrorHandler()
Get the current error event handler.
boolean getFeature(String name)
Look up the value of a feature.
XMLReader getParent()
Get the parent reader.
Object getProperty(String name)
Look up the value of a property.
void ignorableWhitespace(char[] ch, int start, int length)
Filter an ignorable whitespace event.
void notationDecl(String name, String publicId, String systemId)
Filter a notation declaration event.
void parse(InputSource input)
Parse a document.
void parse(String systemId)
Parse a document.
void processingInstruction(String target, String data)
Filter a processing instruction event.
InputSource resolveEntity(String publicId, String systemId)
Filter an external entity resolution.
void setContentHandler(ContentHandler handler)
Set the content event handler.
void setDTDHandler(DTDHandler handler)
Set the DTD event handler.
void setDocumentLocator(Locator locator)
Filter a new document locator event.
void setEntityResolver(EntityResolver resolver)
Set the entity resolver.
void setErrorHandler(ErrorHandler handler)
Set the error event handler.
void setFeature(String name, boolean value)
Set the value of a feature.
void setParent(XMLReader parent)
Set the parent reader.
void setProperty(String name, Object value)
Set the value of a property.
void skippedEntity(String name)
Filter a skipped entity event.
void startDocument()
Filter a start document event.
void startElement(String uri, String localName, String qName, Attributes atts)
Filter a start element event.
void startPrefixMapping(String prefix, String uri)
Filter a start Namespace prefix mapping event.
void unparsedEntityDecl(String name, String publicId, String systemId, String notationName)
Filter an unparsed entity declaration event.
void warning(SAXParseException e)
Filter a warning event.
[Expand]
Inherited Methods
From class java.lang.Object
From interface org.xml.sax.XMLFilter
From interface org.xml.sax.EntityResolver
From interface org.xml.sax.DTDHandler
From interface org.xml.sax.ContentHandler
From interface org.xml.sax.ErrorHandler
From interface org.xml.sax.XMLReader

Public Constructors

public XMLFilterImpl ()

Added in API level 1

Construct an empty XML filter, with no parent.

This filter will have no parent: you must assign a parent before you start a parse or do any configuration with setFeature or setProperty, unless you use this as a pure event consumer rather than as an XMLReader.

See Also

public XMLFilterImpl (XMLReader parent)

Added in API level 1

Construct an XML filter with the specified parent.

Parameters
parent the XML reader from which this filter receives its events.
See Also

Public Methods

public void characters (char[] ch, int start, int length)

Added in API level 1

Filter a character data event.

Parameters
ch An array of characters.
start The starting position in the array.
length The number of characters to use from the array.
Throws
SAXException The client may throw an exception during processing.

public void endDocument ()

Added in API level 1

Filter an end document event.

Throws
SAXException The client may throw an exception during processing.

public void endElement (String uri, String localName, String qName)

Added in API level 1

Filter an end element event.

Parameters
uri The element's Namespace URI, or the empty string.
localName The element's local name, or the empty string.
qName The element's qualified (prefixed) name, or the empty string.
Throws
SAXException The client may throw an exception during processing.

public void endPrefixMapping (String prefix)

Added in API level 1

Filter an end Namespace prefix mapping event.

Parameters
prefix The Namespace prefix.
Throws
SAXException The client may throw an exception during processing.

public void error (SAXParseException e)

Added in API level 1

Filter an error event.

Parameters
e The error as an exception.
Throws
SAXException The client may throw an exception during processing.

public void fatalError (SAXParseException e)

Added in API level 1

Filter a fatal error event.

Parameters
e The error as an exception.
Throws
SAXException The client may throw an exception during processing.

public ContentHandler getContentHandler ()

Added in API level 1

Get the content event handler.

Returns
  • The current content handler, or null if none was set.

public DTDHandler getDTDHandler ()

Added in API level 1

Get the current DTD event handler.

Returns
  • The current DTD handler, or null if none was set.

public EntityResolver getEntityResolver ()

Added in API level 1

Get the current entity resolver.

Returns
  • The current entity resolver, or null if none was set.

public ErrorHandler getErrorHandler ()

Added in API level 1

Get the current error event handler.

Returns
  • The current error handler, or null if none was set.

public boolean getFeature (String name)

Added in API level 1

Look up the value of a feature.

This will always fail if the parent is null.

Parameters
name The feature name.
Returns
  • The current value of the feature.
Throws
SAXNotRecognizedException If the feature value can't be assigned or retrieved from the parent.
SAXNotSupportedException When the parent recognizes the feature name but cannot determine its value at this time.

public XMLReader getParent ()

Added in API level 1

Get the parent reader.

Returns
  • The parent XML reader, or null if none is set.
See Also

public Object getProperty (String name)

Added in API level 1

Look up the value of a property.

Parameters
name The property name.
Returns
  • The current value of the property.
Throws
SAXNotRecognizedException If the property value can't be assigned or retrieved from the parent.
SAXNotSupportedException When the parent recognizes the property name but cannot determine its value at this time.

public void ignorableWhitespace (char[] ch, int start, int length)

Added in API level 1

Filter an ignorable whitespace event.

Parameters
ch An array of characters.
start The starting position in the array.
length The number of characters to use from the array.
Throws
SAXException The client may throw an exception during processing.

public void notationDecl (String name, String publicId, String systemId)

Added in API level 1

Filter a notation declaration event.

Parameters
name The notation name.
publicId The notation's public identifier, or null.
systemId The notation's system identifier, or null.
Throws
SAXException The client may throw an exception during processing.

public void parse (InputSource input)

Added in API level 1

Parse a document.

Parameters
input The input source for the document entity.
Throws
SAXException Any SAX exception, possibly wrapping another exception.
IOException An IO exception from the parser, possibly from a byte stream or character stream supplied by the application.

public void parse (String systemId)

Added in API level 1

Parse a document.

Parameters
systemId The system identifier as a fully-qualified URI.
Throws
SAXException Any SAX exception, possibly wrapping another exception.
IOException An IO exception from the parser, possibly from a byte stream or character stream supplied by the application.

public void processingInstruction (String target, String data)

Added in API level 1

Filter a processing instruction event.

Parameters
target The processing instruction target.
data The text following the target.
Throws
SAXException The client may throw an exception during processing.

public InputSource resolveEntity (String publicId, String systemId)

Added in API level 1

Filter an external entity resolution.

Parameters
publicId The entity's public identifier, or null.
systemId The entity's system identifier.
Returns
  • A new InputSource or null for the default.
Throws
SAXException The client may throw an exception during processing.
IOException The client may throw an I/O-related exception while obtaining the new InputSource.

public void setContentHandler (ContentHandler handler)

Added in API level 1

Set the content event handler.

Parameters
handler the new content handler

public void setDTDHandler (DTDHandler handler)

Added in API level 1

Set the DTD event handler.

Parameters
handler the new DTD handler

public void setDocumentLocator (Locator locator)

Added in API level 1

Filter a new document locator event.

Parameters
locator The document locator.

public void setEntityResolver (EntityResolver resolver)

Added in API level 1

Set the entity resolver.

Parameters
resolver The new entity resolver.

public void setErrorHandler (ErrorHandler handler)

Added in API level 1

Set the error event handler.

Parameters
handler the new error handler

public void setFeature (String name, boolean value)

Added in API level 1

Set the value of a feature.

This will always fail if the parent is null.

Parameters
name The feature name.
value The requested feature value.
Throws
SAXNotRecognizedException If the feature value can't be assigned or retrieved from the parent.
SAXNotSupportedException When the parent recognizes the feature name but cannot set the requested value.

public void setParent (XMLReader parent)

Added in API level 1

Set the parent reader.

This is the XMLReader from which this filter will obtain its events and to which it will pass its configuration requests. The parent may itself be another filter.

If there is no parent reader set, any attempt to parse or to set or get a feature or property will fail.

Parameters
parent The parent XML reader.
See Also

public void setProperty (String name, Object value)

Added in API level 1

Set the value of a property.

This will always fail if the parent is null.

Parameters
name The property name.
value The requested property value.
Throws
SAXNotRecognizedException If the property value can't be assigned or retrieved from the parent.
SAXNotSupportedException When the parent recognizes the property name but cannot set the requested value.

public void skippedEntity (String name)

Added in API level 1

Filter a skipped entity event.

Parameters
name The name of the skipped entity.
Throws
SAXException The client may throw an exception during processing.

public void startDocument ()

Added in API level 1

Filter a start document event.

Throws
SAXException The client may throw an exception during processing.

public void startElement (String uri, String localName, String qName, Attributes atts)

Added in API level 1

Filter a start element event.

Parameters
uri The element's Namespace URI, or the empty string.
localName The element's local name, or the empty string.
qName The element's qualified (prefixed) name, or the empty string.
atts The element's attributes.
Throws
SAXException The client may throw an exception during processing.

public void startPrefixMapping (String prefix, String uri)

Added in API level 1

Filter a start Namespace prefix mapping event.

Parameters
prefix The Namespace prefix.
uri The Namespace URI.
Throws
SAXException The client may throw an exception during processing.

public void unparsedEntityDecl (String name, String publicId, String systemId, String notationName)

Added in API level 1

Filter an unparsed entity declaration event.

Parameters
name The entity name.
publicId The entity's public identifier, or null.
systemId The entity's system identifier, or null.
notationName The name of the associated notation.
Throws
SAXException The client may throw an exception during processing.

public void warning (SAXParseException e)

Added in API level 1

Filter a warning event.

Parameters
e The warning as an exception.
Throws
SAXException The client may throw an exception during processing.
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