cas.protocol
Class JCasRequestHandler

java.lang.Object
  org.xml.sax.helpers.DefaultHandler
      cas.protocol.JCasRequestHandler

All Implemented Interfaces:

ContentHandler, DTDHandler, EntityResolver, ErrorHandler

public class JCasRequestHandler

extends DefaultHandler

Handles the SAX events when parsing the configuration file and creates the configuration.

Version:

1.0

Author:

Ralph Schuster

Field Summary

protected CasSaxTagHandler	handler The main tag handler
protected PropertyChangeListener	listener The property listener.
protected boolean	listenerInformed if listener was informed about start
static String	XML_PARSING_FINISHED Parsing stopped property
static String	XML_PARSING_STARTED Parsing started property

Constructor Summary

JCasRequestHandler(PropertyChangeListener listener)
Creates a new instance of JCasSaxHandler

Method Summary

void	characters(char[] ch, int start, int length) Receive notification of character data inside an element.
void	endDocument() Calls CasSaxTagHandler.tagCompleted() of the topmost handler for validation.
void	endElement(String uri, String localName, String qName) Receive notification of the end of an element.
CasSaxTagHandler	getRequest() Returns the configuration.
boolean	isAdminRequest() Returns if the request was an admin or authorization request.
void	startElement(String uri, String localName, String qName, Attributes attributes) Receive notification of the start of an element.

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

endPrefixMapping, error, fatalError, ignorableWhitespace, notationDecl, processingInstruction, resolveEntity, setDocumentLocator, skippedEntity, startDocument, startPrefixMapping, unparsedEntityDecl, warning

Methods inherited from class java.lang.Object

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

Field Detail

XML_PARSING_STARTED

public static final String XML_PARSING_STARTED

Parsing started property

See Also:

Constant Field Values

XML_PARSING_FINISHED

public static final String XML_PARSING_FINISHED

Parsing stopped property

See Also:

Constant Field Values

handler

protected CasSaxTagHandler handler

The main tag handler

listener

protected PropertyChangeListener listener

The property listener.

listenerInformed

protected boolean listenerInformed

if listener was informed about start

Constructor Detail

JCasRequestHandler

public JCasRequestHandler(PropertyChangeListener listener)

Creates a new instance of JCasSaxHandler

Method Detail

getRequest

public CasSaxTagHandler getRequest()

Returns the configuration.

isAdminRequest

public boolean isAdminRequest()

Returns if the request was an admin or authorization request.

startElement

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

Receive notification of the start of an element.

Parameters:

attributes - - The specified or defaulted attributes.

localName - - The local name (without prefix), or the empty string if Namespace processing is not being performed.

qName - - The qualified name (with prefix), or the empty string if qualified names are not available.

Throws:

SAXException - - Any SAX exception, possibly wrapping another exception.

See Also:

ContentHandler.startElement(java.lang.String, java.lang.String, java.lang.String, org.xml.sax.Attributes)

endElement

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

Receive notification of the end of an element.

Parameters:

localName - - The local name (without prefix), or the empty string if Namespace processing is not being performed.

qName - - The qualified name (with prefix), or the empty string if qualified names are not available.

Throws:

SAXException - - Any SAX exception, possibly wrapping another exception.

See Also:

ContentHandler.endElement(java.lang.String, java.lang.String, java.lang.String)

characters

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

Receive notification of character data inside an element.

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:

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

endDocument

public void endDocument()
                 throws SAXException

Calls CasSaxTagHandler.tagCompleted() of the topmost handler for validation.

Throws:

SAXException