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Added in API level 1

Summary: Ctors | Methods | Inherited Methods | [Expand All]

XMLFilterImpl

public class XMLFilterImpl
extends Object implements XMLFilter, EntityResolver, DTDHandler, ContentHandler, ErrorHandler

java.lang.Object
↳	org.xml.sax.helpers.XMLFilterImpl

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(String systemId)` Parse a document.
`void`	`parse(InputSource input)` 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.

Inherited methods

From class


  
    java.lang.Object

`Object`	`clone()` Creates and returns a copy of this object.
`boolean`	`equals(Object obj)` Indicates whether some other object is "equal to" this one.
`void`	`finalize()` Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.
`final Class<?>`	`getClass()` Returns the runtime class of this `Object`.
`int`	`hashCode()` Returns a hash code value for the object.
`final void`	`notify()` Wakes up a single thread that is waiting on this object's monitor.
`final void`	`notifyAll()` Wakes up all threads that are waiting on this object's monitor.
`String`	`toString()` Returns a string representation of the object.
`final void`	`wait(long millis, int nanos)` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object, or some other thread interrupts the current thread, or a certain amount of real time has elapsed.
`final void`	`wait(long millis)` Causes the current thread to wait until either another thread invokes the `notify()` method or the `notifyAll()` method for this object, or a specified amount of time has elapsed.
`final void`	`wait()` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this 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

`abstract void`	`characters(char[] ch, int start, int length)` Receive notification of character data.
`abstract void`	`endDocument()` Receive notification of the end of a document.
`abstract void`	`endElement(String uri, String localName, String qName)` Receive notification of the end of an element.
`abstract void`	`endPrefixMapping(String prefix)` End the scope of a prefix-URI mapping.
`abstract void`	`ignorableWhitespace(char[] ch, int start, int length)` Receive notification of ignorable whitespace in element content.
`abstract void`	`processingInstruction(String target, String data)` Receive notification of a processing instruction.
`abstract void`	`setDocumentLocator(Locator locator)` Receive an object for locating the origin of SAX document events.
`abstract void`	`skippedEntity(String name)` Receive notification of a skipped entity.
`abstract void`	`startDocument()` Receive notification of the beginning of a document.
`abstract void`	`startElement(String uri, String localName, String qName, Attributes atts)` Receive notification of the beginning of an element.
`abstract void`	`startPrefixMapping(String prefix, String uri)` Begin the scope of a prefix-URI Namespace mapping.

From interface


  
    org.xml.sax.ErrorHandler

From interface


  
    org.xml.sax.XMLReader

Public constructors

XMLFilterImpl

Added in API level 1

XMLFilterImpl ()

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:

XMLFilterImpl

Added in API level 1

XMLFilterImpl (XMLReader parent)

Construct an XML filter with the specified parent.

Parameters
`parent`	`XMLReader`: the XML reader from which this filter receives its events.

See also:

Public methods

characters

Added in API level 1

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

Filter a character data event.

Parameters
`ch`	`char`: An array of characters.
`start`	`int`: The starting position in the array.
`length`	`int`: The number of characters to use from the array.

Throws
`SAXException`	The client may throw an exception during processing.

endDocument

Added in API level 1

void endDocument ()

Filter an end document event.

Throws
`SAXException`	The client may throw an exception during processing.

endElement

Added in API level 1

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

Filter an end element event.

Parameters
`uri`	`String`: The element's Namespace URI, or the empty string.
`localName`	`String`: The element's local name, or the empty string.
`qName`	`String`: The element's qualified (prefixed) name, or the empty string.

Throws
`SAXException`	The client may throw an exception during processing.

endPrefixMapping

Added in API level 1

void endPrefixMapping (String prefix)

Filter an end Namespace prefix mapping event.

Parameters
`prefix`	`String`: The Namespace prefix.

Throws
`SAXException`	The client may throw an exception during processing.

error

Added in API level 1

void error (SAXParseException e)

Filter an error event.

Parameters
`e`	`SAXParseException`: The error as an exception.

Throws
`SAXException`	The client may throw an exception during processing.

fatalError

Added in API level 1

void fatalError (SAXParseException e)

Filter a fatal error event.

Parameters
`e`	`SAXParseException`: The error as an exception.

Throws
`SAXException`	The client may throw an exception during processing.

getContentHandler

Added in API level 1

ContentHandler getContentHandler ()

Get the content event handler.

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

getDTDHandler

Added in API level 1

DTDHandler getDTDHandler ()

Get the current DTD event handler.

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

getEntityResolver

Added in API level 1

EntityResolver getEntityResolver ()

Get the current entity resolver.

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

getErrorHandler

Added in API level 1

ErrorHandler getErrorHandler ()

Get the current error event handler.

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

getFeature

Added in API level 1

boolean getFeature (String name)

Look up the value of a feature.

This will always fail if the parent is null.

Parameters
`name`	`String`: The feature name.

Returns
`boolean`	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.

getParent

Added in API level 1

XMLReader getParent ()

Get the parent reader.

Returns
`XMLReader`	The parent XML reader, or null if none is set.

See also:

setParent(XMLReader)

getProperty

Added in API level 1

Object getProperty (String name)

Look up the value of a property.

Parameters
`name`	`String`: The property name.

Returns
`Object`	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.

ignorableWhitespace

Added in API level 1

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

Filter an ignorable whitespace event.

Parameters
`ch`	`char`: An array of characters.
`start`	`int`: The starting position in the array.
`length`	`int`: The number of characters to use from the array.

Throws
`SAXException`	The client may throw an exception during processing.

notationDecl

Added in API level 1

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

Filter a notation declaration event.

Parameters
`name`	`String`: The notation name.
`publicId`	`String`: The notation's public identifier, or null.
`systemId`	`String`: The notation's system identifier, or null.

Throws
`SAXException`	The client may throw an exception during processing.

parse

Added in API level 1

void parse (String systemId)

Parse a document.

Parameters
`systemId`	`String`: 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.

parse

Added in API level 1

void parse (InputSource input)

Parse a document.

Parameters
`input`	`InputSource`: 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.

processingInstruction

Added in API level 1

void processingInstruction (String target, 
                String data)

Filter a processing instruction event.

Parameters
`target`	`String`: The processing instruction target.
`data`	`String`: The text following the target.

Throws
`SAXException`	The client may throw an exception during processing.

resolveEntity

Added in API level 1

InputSource resolveEntity (String publicId, 
                String systemId)

Filter an external entity resolution.

Parameters
`publicId`	`String`: The entity's public identifier, or null.
`systemId`	`String`: The entity's system identifier.

Returns
`InputSource`	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.

setContentHandler

Added in API level 1

void setContentHandler (ContentHandler handler)

Set the content event handler.

Parameters
`handler`	`ContentHandler`: the new content handler

setDTDHandler

Added in API level 1

void setDTDHandler (DTDHandler handler)

Set the DTD event handler.

Parameters
`handler`	`DTDHandler`: the new DTD handler

setDocumentLocator

Added in API level 1

void setDocumentLocator (Locator locator)

Filter a new document locator event.

Parameters
`locator`	`Locator`: The document locator.

setEntityResolver

Added in API level 1

void setEntityResolver (EntityResolver resolver)

Set the entity resolver.

Parameters
`resolver`	`EntityResolver`: The new entity resolver.

setErrorHandler

Added in API level 1

void setErrorHandler (ErrorHandler handler)

Set the error event handler.

Parameters
`handler`	`ErrorHandler`: the new error handler

setFeature

Added in API level 1

void setFeature (String name, 
                boolean value)

Set the value of a feature.

This will always fail if the parent is null.

Parameters
`name`	`String`: The feature name.
`value`	`boolean`: 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.

setParent

Added in API level 1

void setParent (XMLReader parent)

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`	`XMLReader`: The parent XML reader.

See also:

getParent()

setProperty

Added in API level 1

void setProperty (String name, 
                Object value)

Set the value of a property.

This will always fail if the parent is null.

Parameters
`name`	`String`: The property name.
`value`	`Object`: 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.

skippedEntity

Added in API level 1

void skippedEntity (String name)

Filter a skipped entity event.

Parameters
`name`	`String`: The name of the skipped entity.

Throws
`SAXException`	The client may throw an exception during processing.

startDocument

Added in API level 1

void startDocument ()

Filter a start document event.

Throws
`SAXException`	The client may throw an exception during processing.

startElement

Added in API level 1

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

Filter a start element event.

Parameters
`uri`	`String`: The element's Namespace URI, or the empty string.
`localName`	`String`: The element's local name, or the empty string.
`qName`	`String`: The element's qualified (prefixed) name, or the empty string.
`atts`	`Attributes`: The element's attributes.

Throws
`SAXException`	The client may throw an exception during processing.

startPrefixMapping

Added in API level 1

void startPrefixMapping (String prefix, 
                String uri)

Filter a start Namespace prefix mapping event.

Parameters
`prefix`	`String`: The Namespace prefix.
`uri`	`String`: The Namespace URI.

Throws
`SAXException`	The client may throw an exception during processing.

unparsedEntityDecl

Added in API level 1

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

Filter an unparsed entity declaration event.

Parameters
`name`	`String`: The entity name.
`publicId`	`String`: The entity's public identifier, or null.
`systemId`	`String`: The entity's system identifier, or null.
`notationName`	`String`: The name of the associated notation.

Throws
`SAXException`	The client may throw an exception during processing.

warning

Added in API level 1

void warning (SAXParseException e)

Filter a warning event.

Parameters
`e`	`SAXParseException`: The warning as an exception.

Throws
`SAXException`	The client may throw an exception during processing.