de.knup.jedi.jayshare.sax
Class QueueHandler

java.lang.Object
  |
  +--org.xml.sax.HandlerBase
        |
        +--de.knup.jedi.jayshare.sax.QueueHandler

public class QueueHandler

extends HandlerBase

Handles download queue XML parsing.

Version:

0.1 $Revision: 1.5 $

Author:

B. Pietsch

Field Summary

private QueueItem	currentHash Current hash item to be parsed.
private FilehashItem	currentItem Current file item to be parsed.
private java.lang.StringBuffer	elementChars Data buffer.
private DownloadQueue	queue Download Queue representation will finally contain the queue.

Constructor Summary

QueueHandler()
Create the QueueHandler.

Method Summary

void	characters(char[] ch, int start, int length) Buffer incoming data.
void	endElement(java.lang.String name) Receive notification of the end of an element.
DownloadQueue	getQueue()
void	ignorableWhitespace(char[] ch, int start, int length) Ignore ignorable whitespaces.
void	startElement(java.lang.String name, AttributeList attributes) Receive notification of the start of an element.

Methods inherited from class org.xml.sax.HandlerBase

endDocument, error, fatalError, notationDecl, processingInstruction, resolveEntity, setDocumentLocator, startDocument, unparsedEntityDecl, warning

Methods inherited from class java.lang.Object

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

Field Detail

queue

private DownloadQueue queue

Download Queue representation will finally contain the queue.

currentHash

private QueueItem currentHash

Current hash item to be parsed.

currentItem

private FilehashItem currentItem

Current file item to be parsed.

elementChars

private java.lang.StringBuffer elementChars

Data buffer.

Constructor Detail

QueueHandler

public QueueHandler()

Create the QueueHandler.

Method Detail

getQueue

public DownloadQueue getQueue()

Returns:

the parsed DownloadQueue.

characters

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

Buffer incoming data.

Overrides:

characters in class HandlerBase

Tags copied from class: HandlerBase

Parameters:

ch - The characters.

start - The start position in the character array.

length - The number of characters to use from the character array.

Throws:

SAXException - Any SAX exception, possibly wrapping another exception.

See Also:

DocumentHandler.characters(char[], int, int)

ignorableWhitespace

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

Ignore ignorable whitespaces. I guess that's what we should do with em.

Overrides:

ignorableWhitespace in class HandlerBase

Tags copied from class: HandlerBase

Parameters:

ch - The whitespace characters.

start - The start position in the character array.

length - The number of characters to use from the character array.

Throws:

SAXException - Any SAX exception, possibly wrapping another exception.

See Also:

DocumentHandler.ignorableWhitespace(char[], int, int)

startElement

public void startElement(java.lang.String name,
                         AttributeList attributes)
                  throws SAXException

Description copied from class: HandlerBase

Receive notification of the start of an element.

By default, do nothing. Application writers may override this method in a subclass to take specific actions at the start of each element (such as allocating a new tree node or writing output to a file).

Overrides:

startElement in class HandlerBase

Tags copied from class: HandlerBase

Parameters:

name - The element type name.

attributes - The specified or defaulted attributes.

Throws:

SAXException - Any SAX exception, possibly wrapping another exception.

See Also:

DocumentHandler.startElement(java.lang.String, org.xml.sax.AttributeList)

endElement

public void endElement(java.lang.String name)
                throws SAXException

Description copied from class: HandlerBase

Receive notification of the end of an element.

By default, do nothing. Application writers may override this method in a subclass to take specific actions at the end of each element (such as finalising a tree node or writing output to a file).

Overrides:

endElement in class HandlerBase

Tags copied from class: HandlerBase

Parameters:

name - The element type name.

attributes - The specified or defaulted attributes.

Throws:

SAXException - Any SAX exception, possibly wrapping another exception.

See Also:

DocumentHandler.endElement(java.lang.String)