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ParserAdapter

public class ParserAdapter
extends Object implements XMLReader, DocumentHandler

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


Adapt a SAX1 Parser as a SAX2 XMLReader.

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 wraps a SAX1 Parser and makes it act as a SAX2 XMLReader, with feature, property, and Namespace support. Note that it is not possible to report skippedEntity events, since SAX1 does not make that information available.

This adapter does not test for duplicate Namespace-qualified attribute names.

See also:

Summary

Public constructors

ParserAdapter()

Construct a new parser adapter.

ParserAdapter(Parser parser)

Construct a new parser adapter.

Public methods

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

Adapter implementation method; do not call.

void endDocument()

Adapter implementation method; do not call.

void endElement(String qName)

Adapter implementation method; do not call.

ContentHandler getContentHandler()

Return the current content handler.

DTDHandler getDTDHandler()

Return the current DTD handler.

EntityResolver getEntityResolver()

Return the current entity resolver.

ErrorHandler getErrorHandler()

Return the current error handler.

boolean getFeature(String name)

Check a parser feature flag.

Object getProperty(String name)

Get a parser property.

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

Adapter implementation method; do not call.

void parse(InputSource input)

Parse an XML document.

void parse(String systemId)

Parse an XML document.

void processingInstruction(String target, String data)

Adapter implementation method; do not call.

void setContentHandler(ContentHandler handler)

Set the content handler.

void setDTDHandler(DTDHandler handler)

Set the DTD handler.

void setDocumentLocator(Locator locator)

Adapter implementation method; do not call.

void setEntityResolver(EntityResolver resolver)

Set the entity resolver.

void setErrorHandler(ErrorHandler handler)

Set the error handler.

void setFeature(String name, boolean value)

Set a feature flag for the parser.

void setProperty(String name, Object value)

Set a parser property.

void startDocument()

Adapter implementation method; do not call.

void startElement(String qName, AttributeList qAtts)

Adapter implementation method; do not call.

Inherited methods

From class java.lang.Object
From interface org.xml.sax.XMLReader
From interface org.xml.sax.DocumentHandler

Public constructors

ParserAdapter

Added in API level 1
ParserAdapter ()

Construct a new parser adapter.

Use the "org.xml.sax.parser" property to locate the embedded SAX1 driver.

Throws
SAXException If the embedded driver cannot be instantiated or if the org.xml.sax.parser property is not specified.

ParserAdapter

Added in API level 1
ParserAdapter (Parser parser)

Construct a new parser adapter.

Note that the embedded parser cannot be changed once the adapter is created; to embed a different parser, allocate a new ParserAdapter.

Parameters
parser Parser: The SAX1 parser to embed.
Throws
NullPointerException If the parser parameter is null.

Public methods

characters

Added in API level 1
void characters (char[] ch, 
                int start, 
                int length)

Adapter implementation method; do not call. Adapt a SAX1 characters event.

Parameters
ch char: An array of characters.
start int: The starting position in the array.
length int: The number of characters to use.
Throws
SAXException The client may raise a processing exception.

See also:

endDocument

Added in API level 1
void endDocument ()

Adapter implementation method; do not call. Adapt a SAX1 end document event.

Throws
SAXException The client may raise a processing exception.

See also:

endElement

Added in API level 1
void endElement (String qName)

Adapter implementation method; do not call. Adapt a SAX1 end element event.

Parameters
qName String: The qualified (prefixed) name.
Throws
SAXException The client may raise a processing exception.

See also:

getContentHandler

Added in API level 1
ContentHandler getContentHandler ()

Return the current content handler.

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

See also:

getDTDHandler

Added in API level 1
DTDHandler getDTDHandler ()

Return the current DTD handler.

Returns
DTDHandler the current DTD handler, or null if none was supplied

See also:

getEntityResolver

Added in API level 1
EntityResolver getEntityResolver ()

Return the current entity resolver.

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

See also:

getErrorHandler

Added in API level 1
ErrorHandler getErrorHandler ()

Return the current error handler.

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

See also:

getFeature

Added in API level 1
boolean getFeature (String name)

Check a parser feature flag.

The only features recognized are namespaces and namespace-prefixes.

Parameters
name String: The feature name, as a complete URI.
Returns
boolean The current feature value.
Throws
SAXNotRecognizedException If the feature value can't be assigned or retrieved.
SAXNotSupportedException If the feature is not currently readable.

See also:

getProperty

Added in API level 1
Object getProperty (String name)

Get a parser property.

No properties are currently recognized.

Parameters
name String: The property name.
Returns
Object The property value.
Throws
SAXNotRecognizedException If the property value can't be assigned or retrieved.
SAXNotSupportedException If the property value is not currently readable.

See also:

ignorableWhitespace

Added in API level 1
void ignorableWhitespace (char[] ch, 
                int start, 
                int length)

Adapter implementation method; do not call. Adapt a SAX1 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.
Throws
SAXException The client may raise a processing exception.

See also:

parse

Added in API level 1
void parse (InputSource input)

Parse an XML document.

Parameters
input InputSource: An input source for the document.
Throws
IOException If there is a problem reading the raw content of the document.
SAXException If there is a problem processing the document.

See also:

parse

Added in API level 1
void parse (String systemId)

Parse an XML document.

Parameters
systemId String: The absolute URL of the document.
Throws
IOException If there is a problem reading the raw content of the document.
SAXException If there is a problem processing the document.

See also:

processingInstruction

Added in API level 1
void processingInstruction (String target, 
                String data)

Adapter implementation method; do not call. Adapt a SAX1 processing instruction event.

Parameters
target String: The processing instruction target.
data String: The remainder of the processing instruction
Throws
SAXException The client may raise a processing exception.

See also:

setContentHandler

Added in API level 1
void setContentHandler (ContentHandler handler)

Set the content handler.

Parameters
handler ContentHandler: the new content handler

See also:

setDTDHandler

Added in API level 1
void setDTDHandler (DTDHandler handler)

Set the DTD handler.

Parameters
handler DTDHandler: the new DTD handler

See also:

setDocumentLocator

Added in API level 1
void setDocumentLocator (Locator locator)

Adapter implementation method; do not call. Adapt a SAX1 document locator event.

Parameters
locator Locator: A document locator.

See also:

setEntityResolver

Added in API level 1
void setEntityResolver (EntityResolver resolver)

Set the entity resolver.

Parameters
resolver EntityResolver: The new entity resolver.

See also:

setErrorHandler

Added in API level 1
void setErrorHandler (ErrorHandler handler)

Set the error handler.

Parameters
handler ErrorHandler: The new error handler.

See also:

setFeature

Added in API level 1
void setFeature (String name, 
                boolean value)

Set a feature flag for the parser.

The only features recognized are namespaces and namespace-prefixes.

Parameters
name String: The feature name, as a complete URI.
value boolean: The requested feature value.
Throws
SAXNotRecognizedException If the feature can't be assigned or retrieved.
SAXNotSupportedException If the feature can't be assigned that value.

See also:

setProperty

Added in API level 1
void setProperty (String name, 
                Object value)

Set a parser property.

No properties are currently recognized.

Parameters
name String: The property name.
value Object: The property value.
Throws
SAXNotRecognizedException If the property value can't be assigned or retrieved.
SAXNotSupportedException If the property can't be assigned that value.

See also:

startDocument

Added in API level 1
void startDocument ()

Adapter implementation method; do not call. Adapt a SAX1 start document event.

Throws
SAXException The client may raise a processing exception.

See also:

startElement

Added in API level 1
void startElement (String qName, 
                AttributeList qAtts)

Adapter implementation method; do not call. Adapt a SAX1 startElement event.

If necessary, perform Namespace processing.

Parameters
qName String: The qualified (prefixed) name.
qAtts AttributeList: The XML attribute list (with qnames).
Throws
SAXException The client may raise a processing exception.
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