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Java Source Code / Java Documentation » Database DBMS » Quadcap Embeddable Database » org.xml.sax 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


org.xml.sax.Parser

All known Subclasses:   com.quadcap.text.sax.Parser,
Parser
public interface Parser (Code)
Basic interface for SAX (Simple API for XML) parsers.

All SAX parsers must implement this basic interface: it allows applications to register handlers for different types of events and to initiate a parse from a URI, or a character stream.

All SAX parsers must also implement a zero-argument constructor (though other constructors are also allowed).

SAX parsers are reusable but not re-entrant: the application may reuse a parser object (possibly with a different input source) once the first parse has completed successfully, but it may not invoke the parse() methods recursively within a parse.


author:
   David Megginson (ak117@freenet.carleton.ca)
version:
   1.0
See Also:   org.xml.sax.EntityResolver
See Also:   org.xml.sax.DTDHandler
See Also:   org.xml.sax.DocumentHandler
See Also:   org.xml.sax.ErrorHandler
See Also:   org.xml.sax.HandlerBase
See Also:   org.xml.sax.InputSource




Method Summary
abstract public  voidparse(InputSource source)
     Parse an XML document.

The application can use this method to instruct the SAX parser to begin parsing an XML document from any valid input source (a character stream, a byte stream, or a URI).

Applications may not invoke this method while a parse is in progress (they should create a new Parser instead for each additional XML document).

abstract public  voidparse(String systemId)
     Parse an XML document from a system identifier (URI).

This method is a shortcut for the common case of reading a document from a system identifier.

abstract public  voidsetDTDHandler(DTDHandler handler)
     Allow an application to register a DTD event handler.
abstract public  voidsetDocumentHandler(DocumentHandler handler)
     Allow an application to register a document event handler.
abstract public  voidsetEntityResolver(EntityResolver resolver)
     Allow an application to register a custom entity resolver.
abstract public  voidsetErrorHandler(ErrorHandler handler)
     Allow an application to register an error event handler.
abstract public  voidsetLocale(Locale locale)
     Allow an application to request a locale for errors and warnings.

SAX parsers are not required to provide localisation for errors and warnings; if they cannot support the requested locale, however, they must throw a SAX exception.




Method Detail
parse
abstract public void parse(InputSource source) throws SAXException, IOException(Code)
Parse an XML document.

The application can use this method to instruct the SAX parser to begin parsing an XML document from any valid input source (a character stream, a byte stream, or a URI).

Applications may not invoke this method while a parse is in progress (they should create a new Parser instead for each additional XML document). Once a parse is complete, an application may reuse the same Parser object, possibly with a different input source.


Parameters:
  source - The input source for the top-level of theXML document.
exception:
  org.xml.sax.SAXException - Any SAX exception, possiblywrapping another exception.
exception:
  java.io.IOException - An IO exception from the parser,possibly from a byte stream or character streamsupplied by the application.
See Also:   org.xml.sax.InputSource
See Also:   Parser.parse(java.lang.String)
See Also:   Parser.setEntityResolver
See Also:   Parser.setDTDHandler
See Also:   Parser.setDocumentHandler
See Also:   Parser.setErrorHandler



parse
abstract public void parse(String systemId) throws SAXException, IOException(Code)
Parse an XML document from a system identifier (URI).

This method is a shortcut for the common case of reading a document from a system identifier. It is the exact equivalent of the following:

 parse(new InputSource(systemId));
 

If the system identifier is a URL, it must be fully resolved by the application before it is passed to the parser.


Parameters:
  systemId - The system identifier (URI).
exception:
  org.xml.sax.SAXException - Any SAX exception, possiblywrapping another exception.
exception:
  java.io.IOException - An IO exception from the parser,possibly from a byte stream or character streamsupplied by the application.
See Also:   Parser.parse(org.xml.sax.InputSource)



setDTDHandler
abstract public void setDTDHandler(DTDHandler handler)(Code)
Allow an application to register a DTD event handler.

If the application does not register a DTD handler, all DTD events reported by the SAX parser will be silently ignored (this is the default behaviour implemented by HandlerBase).

Applications may register a new or different handler in the middle of a parse, and the SAX parser must begin using the new handler immediately.


Parameters:
  handler - The DTD handler.
See Also:   DTDHandler
See Also:   HandlerBase



setDocumentHandler
abstract public void setDocumentHandler(DocumentHandler handler)(Code)
Allow an application to register a document event handler.

If the application does not register a document handler, all document events reported by the SAX parser will be silently ignored (this is the default behaviour implemented by HandlerBase).

Applications may register a new or different handler in the middle of a parse, and the SAX parser must begin using the new handler immediately.


Parameters:
  handler - The document handler.
See Also:   DocumentHandler
See Also:   HandlerBase



setEntityResolver
abstract public void setEntityResolver(EntityResolver resolver)(Code)
Allow an application to register a custom entity resolver.

If the application does not register an entity resolver, the SAX parser will resolve system identifiers and open connections to entities itself (this is the default behaviour implemented in HandlerBase).

Applications may register a new or different entity resolver in the middle of a parse, and the SAX parser must begin using the new resolver immediately.


Parameters:
  resolver - The object for resolving entities.
See Also:   EntityResolver
See Also:   HandlerBase



setErrorHandler
abstract public void setErrorHandler(ErrorHandler handler)(Code)
Allow an application to register an error event handler.

If the application does not register an error event handler, all error events reported by the SAX parser will be silently ignored, except for fatalError, which will throw a SAXException (this is the default behaviour implemented by HandlerBase).

Applications may register a new or different handler in the middle of a parse, and the SAX parser must begin using the new handler immediately.


Parameters:
  handler - The error handler.
See Also:   ErrorHandler
See Also:   SAXException
See Also:   HandlerBase



setLocale
abstract public void setLocale(Locale locale) throws SAXException(Code)
Allow an application to request a locale for errors and warnings.

SAX parsers are not required to provide localisation for errors and warnings; if they cannot support the requested locale, however, they must throw a SAX exception. Applications may not request a locale change in the middle of a parse.


Parameters:
  locale - A Java Locale object.
exception:
  org.xml.sax.SAXException - Throws an exception(using the previous or default locale) if the requested locale is not supported.
See Also:   org.xml.sax.SAXException
See Also:   org.xml.sax.SAXParseException



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