org.restlet.ext.atom
Class FeedReader

java.lang.Object
  org.xml.sax.helpers.DefaultHandler
      org.restlet.ext.atom.FeedReader

All Implemented Interfaces:

ContentHandler, DTDHandler, EntityResolver, ErrorHandler

public class FeedReader
extends DefaultHandler

Content reader for feeds that is able to transmit events to another FeedReader.

Author:

Thierry Boileau

Constructor Summary

FeedReader()
Constructor.

FeedReader(FeedReader feedReader)
Constructor.

Method Summary

void	characters(char[] ch, int start, int length)
void	endContent(Content content) Called at the end of the XML block that defines the given content element.
void	endDocument()
void	endElement(String uri, String localName, String qName)
void	endEntry(Entry entry) Called at the end of the XML block that defines the given entry.
void	endFeed(Feed feed) Called at the end of the XML block that defines the given feed.
void	endLink(Link link) Called at the end of the XML block that defines the given link.
void	endPrefixMapping(String prefix)
void	error(SAXParseException e)
void	fatalError(SAXParseException e)
void	ignorableWhitespace(char[] ch, int start, int length)
void	notationDecl(String name, String publicId, String systemId)
void	processingInstruction(String target, String data)
InputSource	resolveEntity(String publicId, String systemId)
void	setDocumentLocator(Locator locator)
void	skippedEntity(String name)
void	startContent(Content content) Called when a new content element has been detected in the Atom document.
void	startDocument()
void	startElement(String uri, String localName, String qName, Attributes attributes)
void	startEntry(Entry entry) Called when a new entry has been detected in the Atom document.
void	startFeed(Feed feed) Called when a new feed has been detected in the Atom document.
void	startLink(Link link) Called when a new link has been detected in the Atom document.
void	startPrefixMapping(String prefix, String uri)
void	unparsedEntityDecl(String name, String publicId, String systemId, String notationName)
void	warning(SAXParseException e)

Methods inherited from class java.lang.Object

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

Constructor Detail

FeedReader

public FeedReader()

Constructor.

FeedReader

public FeedReader(FeedReader feedReader)

Constructor.

Parameters:

feedReader - Additional feed reader that will receive all events.

Method Detail

characters

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

Specified by:

characters in interface ContentHandler

Overrides:

characters in class DefaultHandler

Throws:

SAXException

endContent

public void endContent(Content content)

Called at the end of the XML block that defines the given content element. By default, it relays the event to the extra handler.

Parameters:

content - The current content element.

endDocument

public void endDocument()
                 throws SAXException

Specified by:

endDocument in interface ContentHandler

Overrides:

endDocument in class DefaultHandler

Throws:

SAXException

endElement

public void endElement(String uri,
                       String localName,
                       String qName)
                throws SAXException

Specified by:

endElement in interface ContentHandler

Overrides:

endElement in class DefaultHandler

Throws:

SAXException

endEntry

public void endEntry(Entry entry)

Called at the end of the XML block that defines the given entry.

Parameters:

entry - The current entry.

endFeed

public void endFeed(Feed feed)

Called at the end of the XML block that defines the given feed.

Parameters:

feed - The current feed.

endLink

public void endLink(Link link)

Called at the end of the XML block that defines the given link.

Parameters:

link - The current link.

endPrefixMapping

public void endPrefixMapping(String prefix)
                      throws SAXException

Specified by:

endPrefixMapping in interface ContentHandler

Overrides:

endPrefixMapping in class DefaultHandler

Throws:

SAXException

error

public void error(SAXParseException e)
           throws SAXException

Specified by:

error in interface ErrorHandler

Overrides:

error in class DefaultHandler

Throws:

SAXException

fatalError

public void fatalError(SAXParseException e)
                throws SAXException

Specified by:

fatalError in interface ErrorHandler

Overrides:

fatalError in class DefaultHandler

Throws:

SAXException

ignorableWhitespace

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

Specified by:

ignorableWhitespace in interface ContentHandler

Overrides:

ignorableWhitespace in class DefaultHandler

Throws:

SAXException

notationDecl

public void notationDecl(String name,
                         String publicId,
                         String systemId)
                  throws SAXException

Specified by:

notationDecl in interface DTDHandler

Overrides:

notationDecl in class DefaultHandler

Throws:

SAXException

processingInstruction

public void processingInstruction(String target,
                                  String data)
                           throws SAXException

Specified by:

processingInstruction in interface ContentHandler

Overrides:

processingInstruction in class DefaultHandler

Throws:

SAXException

resolveEntity

public InputSource resolveEntity(String publicId,
                                 String systemId)
                          throws IOException,
                                 SAXException

Specified by:

resolveEntity in interface EntityResolver

Overrides:

resolveEntity in class DefaultHandler

Throws:

IOException

SAXException

setDocumentLocator

public void setDocumentLocator(Locator locator)

Specified by:

setDocumentLocator in interface ContentHandler

Overrides:

setDocumentLocator in class DefaultHandler

skippedEntity

public void skippedEntity(String name)
                   throws SAXException

Specified by:

skippedEntity in interface ContentHandler

Overrides:

skippedEntity in class DefaultHandler

Throws:

SAXException

startContent

public void startContent(Content content)

Called when a new content element has been detected in the Atom document.

Parameters:

content - The current content element.

startDocument

public void startDocument()
                   throws SAXException

Specified by:

startDocument in interface ContentHandler

Overrides:

startDocument in class DefaultHandler

Throws:

SAXException

startElement

public void startElement(String uri,
                         String localName,
                         String qName,
                         Attributes attributes)
                  throws SAXException

Specified by:

startElement in interface ContentHandler

Overrides:

startElement in class DefaultHandler

Throws:

SAXException

startEntry

public void startEntry(Entry entry)

Called when a new entry has been detected in the Atom document.

Parameters:

entry - The current entry.

startFeed

public void startFeed(Feed feed)

Called when a new feed has been detected in the Atom document.

Parameters:

feed - The current feed.

startLink

public void startLink(Link link)

Called when a new link has been detected in the Atom document.

Parameters:

link - The current link.

startPrefixMapping

public void startPrefixMapping(String prefix,
                               String uri)
                        throws SAXException

Specified by:

startPrefixMapping in interface ContentHandler

Overrides:

startPrefixMapping in class DefaultHandler

Throws:

SAXException

unparsedEntityDecl

public void unparsedEntityDecl(String name,
                               String publicId,
                               String systemId,
                               String notationName)
                        throws SAXException

Specified by:

unparsedEntityDecl in interface DTDHandler

Overrides:

unparsedEntityDecl in class DefaultHandler

Throws:

SAXException

warning

public void warning(SAXParseException e)
             throws SAXException

Specified by:

warning in interface ErrorHandler

Overrides:

warning in class DefaultHandler

Throws:

SAXException