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Class XMLReaderAdapter

java.lang.Object  |  +--org.xml.sax.helpers.XMLReaderAdapter

All Implemented Interfaces:: ContentHandler,Parser

public classXMLReaderAdapter
extends java.lang.Object
implementsParser,ContentHandler

Adapt a SAX2 XMLReader as a SAX1 Parser.

This module, both source code and documentation, is in the Public Domain, and comes withNO WARRANTY.

This class wraps a SAX2XMLReader and makes it act as a SAX1Parser. The XMLReader must support a true value for the http://xml.org/sax/features/namespace-prefixes property or parsing will fail with aSAXException; if the XMLReader supports a false value for the http://xml.org/sax/features/namespaces property, that will also be used to improve efficiency.

Since:: SAX 2.0
See Also:: Parser,XMLReader


`XMLReaderAdapter()` Create a new adapter.
`XMLReaderAdapter(XMLReader xmlReader)` Create a new adapter.


	`characters(char[] ch, int start, int length)` Adapt a SAX2 characters event.
	`endDocument()` End document event.
	`endElement(java.lang.String uri, java.lang.String localName, java.lang.String qName)` Adapt a SAX2 end element event.
	`endPrefixMapping(java.lang.String prefix)` Adapt a SAX2 end prefix mapping event.
	`ignorableWhitespace(char[] ch, int start, int length)` Adapt a SAX2 ignorable whitespace event.
	`parse(InputSource input)` Parse the document.
	`parse(java.lang.String systemId)` Parse the document.
	`processingInstruction(java.lang.String target, java.lang.String data)` Adapt a SAX2 processing instruction event.
	`setDocumentHandler(DocumentHandler handler)` Register the SAX1 document event handler.
	`setDocumentLocator(Locator locator)` Set a document locator.
	`setDTDHandler(DTDHandler handler)` Register the DTD event handler.
	`setEntityResolver(EntityResolver resolver)` Register the entity resolver.
	`setErrorHandler(ErrorHandler handler)` Register the error event handler.
	`setLocale(java.util.Locale locale)` Set the locale for error reporting.
	`skippedEntity(java.lang.String name)` Adapt a SAX2 skipped entity event.
	`startDocument()` Start document event.
	`startElement(java.lang.String uri, java.lang.String localName, java.lang.String qName,Attributes atts)` Adapt a SAX2 start element event.
	`startPrefixMapping(java.lang.String prefix, java.lang.String uri)` Adapt a SAX2 start prefix mapping event.

Methods inherited from class java.lang.Object

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

XMLReaderAdapter

publicXMLReaderAdapter()                 throwsSAXException

Create a new adapter.

Use the "org.xml.sax.driver" property to locate the SAX2 driver to embed.

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

XMLReaderAdapter

publicXMLReaderAdapter(XMLReader xmlReader)

Create a new adapter.

Create a new adapter, wrapped around a SAX2 XMLReader. The adapter will make the XMLReader act like a SAX1 Parser.

Parameters:: xmlReader - The SAX2 XMLReader to wrap.
Throws:: java.lang.NullPointerException - If the argument is null.

setLocale

public voidsetLocale(java.util.Locale locale)               throwsSAXException

Set the locale for error reporting.

This is not supported in SAX2, and will always throw an exception.

Specified by:: setLocale in interfaceParser

Parameters:: The - locale for error reporting.
See Also:: Parser.setLocale(java.util.Locale)

setEntityResolver

public voidsetEntityResolver(EntityResolver resolver)

Specified by:: setEntityResolver in interfaceParser

Parameters:: resolver - The new resolver.
See Also:: Parser.setEntityResolver(org.xml.sax.EntityResolver)

setDTDHandler

public voidsetDTDHandler(DTDHandler handler)

Specified by:: setDTDHandler in interfaceParser

Parameters:: handler - The new DTD event handler.
See Also:: Parser.setDTDHandler(org.xml.sax.DTDHandler)

setDocumentHandler

public voidsetDocumentHandler(DocumentHandler handler)

Note that the SAX1 document handler has no Namespace support.

Specified by:: setDocumentHandler in interfaceParser

Parameters:: handler - The new SAX1 document event handler.
See Also:: Parser.setDocumentHandler(org.xml.sax.DocumentHandler)

setErrorHandler

public voidsetErrorHandler(ErrorHandler handler)

Specified by:: setErrorHandler in interfaceParser

Parameters:: handler - The new error event handler.
See Also:: Parser.setErrorHandler(org.xml.sax.ErrorHandler)

parse

public voidparse(java.lang.String systemId)           throws java.io.IOException,SAXException

Parse the document.

This method will throw an exception if the embedded XMLReader does not support the http://xml.org/sax/features/namespace-prefixes property.

Specified by:: parse in interfaceParser

Parameters:: systemId - The absolute URL of the document.
Throws:: java.io.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(org.xml.sax.InputSource),Parser.parse(java.lang.String)

parse

public voidparse(InputSource input)           throws java.io.IOException,SAXException

Parse the document.

This method will throw an exception if the embedded XMLReader does not support the http://xml.org/sax/features/namespace-prefixes property.

Specified by:: parse in interfaceParser

Parameters:: input - An input source for the document.
Throws:: java.io.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(java.lang.String),Parser.parse(org.xml.sax.InputSource)

setDocumentLocator

public voidsetDocumentLocator(Locator locator)

Set a document locator.

Specified by:: setDocumentLocator in interfaceContentHandler

Parameters:: locator - The document locator.
See Also:: ContentHandler.setDocumentLocator(org.xml.sax.Locator)

startDocument

public voidstartDocument()                   throwsSAXException

Start document event.

Specified by:: startDocument in interfaceContentHandler

Throws:: SAXException - The client may raise a processing exception.
See Also:: ContentHandler.startDocument()

endDocument

public voidendDocument()                 throwsSAXException

End document event.

Specified by:: endDocument in interfaceContentHandler

Throws:: SAXException - The client may raise a processing exception.
See Also:: ContentHandler.endDocument()

startPrefixMapping

public voidstartPrefixMapping(java.lang.String prefix,                               java.lang.String uri)

Adapt a SAX2 start prefix mapping event.

Specified by:: startPrefixMapping in interfaceContentHandler

Parameters:: prefix - The prefix being mapped.; uri - The Namespace URI being mapped to.
See Also:: ContentHandler.startPrefixMapping(java.lang.String, java.lang.String)

endPrefixMapping

public voidendPrefixMapping(java.lang.String prefix)

Adapt a SAX2 end prefix mapping event.

Specified by:: endPrefixMapping in interfaceContentHandler

Parameters:: prefix - The prefix being mapped.
See Also:: ContentHandler.endPrefixMapping(java.lang.String)

startElement

public voidstartElement(java.lang.String uri,                         java.lang.String localName,                         java.lang.String qName,Attributes atts)                  throwsSAXException

Adapt a SAX2 start element event.

Specified by:: startElement in interfaceContentHandler

Parameters:: uri - The Namespace URI.; localName - The Namespace local name.; qName - The qualified (prefixed) name.; atts - The SAX2 attributes.
Throws:: SAXException - The client may raise a processing exception.
See Also:: ContentHandler.endDocument()

endElement

public voidendElement(java.lang.String uri,                       java.lang.String localName,                       java.lang.String qName)                throwsSAXException

Adapt a SAX2 end element event.

Specified by:: endElement in interfaceContentHandler

Parameters:: uri - The Namespace URI.; localName - The Namespace local name.; qName - The qualified (prefixed) name.
Throws:: SAXException - The client may raise a processing exception.
See Also:: ContentHandler.endElement(java.lang.String, java.lang.String, java.lang.String)

characters

public voidcharacters(char[] ch,                       int start,                       int length)                throwsSAXException

Adapt a SAX2 characters event.

Specified by:: characters in interfaceContentHandler

Parameters:: ch - An array of characters.; start - The starting position in the array.; length - The number of characters to use.
Throws:: SAXException - The client may raise a processing exception.
See Also:: ContentHandler.characters(char[], int, int)

ignorableWhitespace

public voidignorableWhitespace(char[] ch,                                int start,                                int length)                         throwsSAXException

Adapt a SAX2 ignorable whitespace event.

Specified by:: ignorableWhitespace in interfaceContentHandler

Parameters:: ch - An array of characters.; start - The starting position in the array.; length - The number of characters to use.
Throws:: SAXException - The client may raise a processing exception.
See Also:: ContentHandler.ignorableWhitespace(char[], int, int)

processingInstruction

public voidprocessingInstruction(java.lang.String target,                                  java.lang.String data)                           throwsSAXException

Adapt a SAX2 processing instruction event.

Specified by:: processingInstruction in interfaceContentHandler

Parameters:: target - The processing instruction target.; data - The remainder of the processing instruction
Throws:: SAXException - The client may raise a processing exception.
See Also:: ContentHandler.processingInstruction(java.lang.String, java.lang.String)

skippedEntity

public voidskippedEntity(java.lang.String name)                   throwsSAXException

Adapt a SAX2 skipped entity event.

Specified by:: skippedEntity in interfaceContentHandler

Parameters:: name - The name of the skipped entity.
See Also:: ContentHandler.skippedEntity(java.lang.String)

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