org.xmlBlaster.util.qos
Class QueryQosSaxFactory

java.lang.Object
  org.xmlBlaster.util.SaxHandlerBase
      org.xmlBlaster.util.XmlQoSBase
          org.xmlBlaster.util.qos.QueryQosSaxFactory

All Implemented Interfaces:

org.xml.sax.ContentHandler, org.xml.sax.ErrorHandler, org.xml.sax.ext.LexicalHandler, I_QueryQosFactory

public class QueryQosSaxFactory
extends XmlQoSBase
implements I_QueryQosFactory

Parsing xml QoS (quality of service) of return query.

<qos>
   <subscribe id='_subId:1'/>    <!-- Force a subscription ID from client side -->
   <erase forceDestroy='true'/>  <!-- Kill a MsgUnit even if there are pending updates or subscriptions -->
   <meta>false</meta>         <!-- Don't send me the xmlKey meta data on updates -->
   <content>false</content>   <!-- Don't send me the content data on updates (notify only) -->
   <multiSubscribe>false</multiSubscribe> <!-- Ignore a second subscribe on same oid or XPATH -->
   <local>false</local>       <!-- Inhibit the delivery of messages to myself if i have published it -->
   <initialUpdate>false</initialUpdate> 
   <updateOneway>false</updateOneway> 
   <notify>false</notify>     <!-- Suppress erase event to subcribers -->
   <filter type='myPlugin' version='1.0'>a!=100</filter>
                                    <!-- Filters messages i have subscribed as implemented in your plugin -->
   <history numEntries='20'/>    <!-- Default is to deliver the current entry (numEntries='1'), '-1' deliver all -->
</qos>
 

Author:

xmlBlaster@marcelruff.info

See Also:

QueryQosData, QueryQosFactoryTest

Field Summary

private Global	glob
private static java.util.logging.Logger	log
private QueryQosData	queryQosData
private AccessFilterQos	tmpFilter helper flag for SAX parsing: parsing inside ?
private HistoryQos	tmpHistory
private QuerySpecQos	tmpQuerySpec

Fields inherited from class org.xmlBlaster.util.XmlQoSBase

clientProperty, clientPropertyTagNames, cpCharacter, inQos

Fields inherited from class org.xmlBlaster.util.SaxHandlerBase

character, locator, xmlLiteral, xmlSource

Constructor Summary

QueryQosSaxFactory(Global glob)
Can be used as singleton.

Method Summary

void	endElement(java.lang.String uri, java.lang.String localName, java.lang.String name) End element, event from SAX parser.
java.lang.String	getName() A human readable name of this factory
QueryQosData	readObject(java.lang.String xmlQos) Parses the given xml Qos and returns a QueryQosData holding the data.
void	startElement(java.lang.String uri, java.lang.String localName, java.lang.String name, org.xml.sax.Attributes attrs) Start element, event from SAX parser.
static java.lang.String	writeObject_(QueryQosData queryQosData, java.lang.String extraOffset, java.util.Properties props)
java.lang.String	writeObject(QueryQosData queryQosData, java.lang.String extraOffset, java.util.Properties props) Dump state of this object into a XML ASCII string.

Methods inherited from class org.xmlBlaster.util.XmlQoSBase

addTagToString, characters, characters, endElementBase, init, isEmpty, startElementBase

Methods inherited from class org.xmlBlaster.util.SaxHandlerBase

comment, endCDATA, endDocument, endDTD, endEntity, endPrefixMapping, error, fatalError, getUseLexicalHandler, ignorableWhitespace, init, init, notationDecl, processingInstruction, setDocumentLocator, setUseLexicalHandler, skippedEntity, startCDATA, startDocument, startDTD, startEntity, startPrefixMapping, toString, toXml, unparsedEntityDecl, warning

Methods inherited from class java.lang.Object

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

Field Detail

glob

private final Global glob

log

private static java.util.logging.Logger log

queryQosData

private QueryQosData queryQosData

tmpFilter

private AccessFilterQos tmpFilter

helper flag for SAX parsing: parsing inside ?

tmpQuerySpec

private QuerySpecQos tmpQuerySpec

tmpHistory

private HistoryQos tmpHistory

Constructor Detail

QueryQosSaxFactory

public QueryQosSaxFactory(Global glob)

Can be used as singleton.

Method Detail

readObject

public QueryQosData readObject(java.lang.String xmlQos)
                        throws XmlBlasterException

Parses the given xml Qos and returns a QueryQosData holding the data. Parsing of update() and publish() QoS is supported here.

Specified by:

readObject in interface I_QueryQosFactory

Parameters:

the - XML based ASCII string

Throws:

XmlBlasterException

startElement

public final void startElement(java.lang.String uri,
                               java.lang.String localName,
                               java.lang.String name,
                               org.xml.sax.Attributes attrs)

Start element, event from SAX parser.

Specified by:

startElement in interface org.xml.sax.ContentHandler

Overrides:

startElement in class XmlQoSBase

Parameters:

name - Tag name

attrs - the attributes of the tag

endElement

public void endElement(java.lang.String uri,
                       java.lang.String localName,
                       java.lang.String name)

End element, event from SAX parser.

Specified by:

endElement in interface org.xml.sax.ContentHandler

Overrides:

endElement in class XmlQoSBase

Parameters:

name - Tag name

writeObject

public final java.lang.String writeObject(QueryQosData queryQosData,
                                          java.lang.String extraOffset,
                                          java.util.Properties props)

Dump state of this object into a XML ASCII string.

Specified by:

writeObject in interface I_QueryQosFactory

Parameters:

extraOffset - indenting of tags for nice output

props - Configuration/formatting hints for the dump (see Constants.TOXML_*)

Returns:

internal state of the RequestBroker as a XML ASCII string

writeObject_

public static final java.lang.String writeObject_(QueryQosData queryQosData,
                                                  java.lang.String extraOffset,
                                                  java.util.Properties props)

getName

public java.lang.String getName()

A human readable name of this factory

Specified by:

getName in interface I_QueryQosFactory

Returns:

"QueryQosSaxFactory"