org.apache.avalon.framework.configuration
Class SAXConfigurationHandler

java.lang.Object
  |
  +--org.xml.sax.helpers.DefaultHandler
        |
        +--org.apache.avalon.framework.configuration.SAXConfigurationHandler

All Implemented Interfaces:

ContentHandler, DTDHandler, EntityResolver, ErrorHandler

Direct Known Subclasses:

NamespacedSAXConfigurationHandler

public class SAXConfigurationHandler

extends DefaultHandler

implements ErrorHandler

A SAXConfigurationHandler helps build Configurations out of sax events.

Version:

CVS $Revision: 1.29 $ $Date: 2003/02/11 15:58:39 $

Author:

Avalon Development Team

Constructor Summary

SAXConfigurationHandler()

Method Summary

void	characters(char[] ch, int start, int end) Handling hook for character data.
void	clear() Clears all data from this configuration handler.
protected DefaultConfiguration	createConfiguration(String localName, String location) Create a new DefaultConfiguration with the specified local name and location.
void	endElement(String namespaceURI, String localName, String rawName) Handling hook for finishing parsing of an element.
void	error(SAXParseException exception) This just throws an exception on a parse error.
void	fatalError(SAXParseException exception) This just throws an exception on a parse error.
Configuration	getConfiguration() Get the configuration object that was built.
protected String	getLocationString() Returns a string showing the current system ID, line number and column number.
void	setDocumentLocator(Locator locator) Set the document Locator to use.
void	startElement(String namespaceURI, String localName, String rawName, Attributes attributes) Handling hook for starting parsing of an element.
void	warning(SAXParseException exception) This just throws an exception on a parse error.

Methods inherited from class org.xml.sax.helpers.DefaultHandler

endDocument, endPrefixMapping, ignorableWhitespace, notationDecl, processingInstruction, resolveEntity, skippedEntity, startDocument, startPrefixMapping, unparsedEntityDecl

Methods inherited from class java.lang.Object

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

Constructor Detail

SAXConfigurationHandler

public SAXConfigurationHandler()

Method Detail

getConfiguration

public Configuration getConfiguration()

Get the configuration object that was built.

Returns:

a Configuration object

clear

public void clear()

Clears all data from this configuration handler.

setDocumentLocator

public void setDocumentLocator(Locator locator)

Set the document Locator to use.

Specified by:

setDocumentLocator in interface ContentHandler

Overrides:

setDocumentLocator in class DefaultHandler

Parameters:

locator - a Locator value

characters

public void characters(char[] ch,
                       int start,
                       int end)
                throws SAXException

Handling hook for character data.

Specified by:

characters in interface ContentHandler

Overrides:

characters in class DefaultHandler

Parameters:

ch - a char[] of data

start - offset in the character array from which to start reading

end - length of character data

Throws:

SAXException - if an error occurs

endElement

public void endElement(String namespaceURI,
                       String localName,
                       String rawName)
                throws SAXException

Handling hook for finishing parsing of an element.

Specified by:

endElement in interface ContentHandler

Overrides:

endElement in class DefaultHandler

Parameters:

namespaceURI - a String value

localName - a String value

rawName - a String value

Throws:

SAXException - if an error occurs

createConfiguration

protected DefaultConfiguration createConfiguration(String localName,
                                                   String location)

Create a new DefaultConfiguration with the specified local name and location.

Parameters:

localName - a String value

location - a String value

Returns:

a DefaultConfiguration value

startElement

public void startElement(String namespaceURI,
                         String localName,
                         String rawName,
                         Attributes attributes)
                  throws SAXException

Handling hook for starting parsing of an element.

Specified by:

startElement in interface ContentHandler

Overrides:

startElement in class DefaultHandler

Parameters:

namespaceURI - a String value

localName - a String value

rawName - a String value

attributes - an Attributes value

Throws:

SAXException - if an error occurs

error

public void error(SAXParseException exception)
           throws SAXException

This just throws an exception on a parse error.

Specified by:

error in interface ErrorHandler

Overrides:

error in class DefaultHandler

Parameters:

exception - the parse error

Throws:

SAXException - if an error occurs

warning

public void warning(SAXParseException exception)
             throws SAXException

This just throws an exception on a parse error.

Specified by:

warning in interface ErrorHandler

Overrides:

warning in class DefaultHandler

Parameters:

exception - the parse error

Throws:

SAXException - if an error occurs

fatalError

public void fatalError(SAXParseException exception)
                throws SAXException

This just throws an exception on a parse error.

Specified by:

fatalError in interface ErrorHandler

Overrides:

fatalError in class DefaultHandler

Parameters:

exception - the parse error

Throws:

SAXException - if an error occurs

getLocationString

protected String getLocationString()

Returns a string showing the current system ID, line number and column number.

Returns:

a String value