org.apache.log4j.chainsaw

Class XMLFileHandler

java.lang.Object

org.xml.sax.helpers.DefaultHandler

org.apache.log4j.chainsaw.XMLFileHandler

All Implemented Interfaces:

org.xml.sax.ContentHandler, org.xml.sax.DTDHandler, org.xml.sax.EntityResolver, org.xml.sax.ErrorHandler

class XMLFileHandler
extends org.xml.sax.helpers.DefaultHandler

A content handler for document containing Log4J events logged using the XMLLayout class. It will create events and add them to a supplied model.

Version:

1.0

Field Summary

Fields

Modifier and Type	Field and Description
private java.lang.StringBuffer	mBuf buffer for collecting text
private java.lang.String	mCategoryName the category of the event
private Level	mLevel the priority (level) of the event
private java.lang.String	mLocationDetails the location details for the event
private java.lang.String	mMessage the msg for the event
private MyTableModel	mModel where to put the events
private java.lang.String	mNDC the NDC for the event
private int	mNumEvents the number of events in the document
private java.lang.String	mThreadName the thread for the event
private java.lang.String[]	mThrowableStrRep the throwable details the event
private long	mTimeStamp the time of the event
private static java.lang.String	TAG_EVENT represents the event tag
private static java.lang.String	TAG_LOCATION_INFO represents the location info tag
private static java.lang.String	TAG_MESSAGE represents the message tag
private static java.lang.String	TAG_NDC represents the ndc tag
private static java.lang.String	TAG_THROWABLE represents the throwable tag

Constructor Summary

Constructors

Constructor and Description
XMLFileHandler(MyTableModel aModel) Creates a new XMLFileHandler instance.

Method Summary

Modifier and Type	Method and Description
private void	addEvent() Add an event to the model
void	characters(char[] aChars, int aStart, int aLength)
void	endElement(java.lang.String aNamespaceURI, java.lang.String aLocalName, java.lang.String aQName)
(package private) int	getNumEvents()
private void	resetData() Reset the data for an event
void	startDocument()
void	startElement(java.lang.String aNamespaceURI, java.lang.String aLocalName, java.lang.String aQName, org.xml.sax.Attributes aAtts)

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

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

Methods inherited from class java.lang.Object

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

Field Detail

TAG_EVENT

private static final java.lang.String TAG_EVENT

represents the event tag

See Also:

Constant Field Values

TAG_MESSAGE

private static final java.lang.String TAG_MESSAGE

represents the message tag

See Also:

Constant Field Values

TAG_NDC

private static final java.lang.String TAG_NDC

represents the ndc tag

See Also:

Constant Field Values

TAG_THROWABLE

private static final java.lang.String TAG_THROWABLE

represents the throwable tag

See Also:

Constant Field Values

TAG_LOCATION_INFO

private static final java.lang.String TAG_LOCATION_INFO

represents the location info tag

See Also:

Constant Field Values

mModel

private final MyTableModel mModel

where to put the events

mNumEvents

private int mNumEvents

the number of events in the document

mTimeStamp

private long mTimeStamp

the time of the event

mLevel

private Level mLevel

the priority (level) of the event

mCategoryName

private java.lang.String mCategoryName

the category of the event

mNDC

private java.lang.String mNDC

the NDC for the event

mThreadName

private java.lang.String mThreadName

the thread for the event

mMessage

private java.lang.String mMessage

the msg for the event

mThrowableStrRep

private java.lang.String[] mThrowableStrRep

the throwable details the event

mLocationDetails

private java.lang.String mLocationDetails

the location details for the event

mBuf

private final java.lang.StringBuffer mBuf

buffer for collecting text

Constructor Detail

XMLFileHandler

XMLFileHandler(MyTableModel aModel)

Creates a new XMLFileHandler instance.

Parameters:

aModel - where to add the events

Method Detail

startDocument

public void startDocument()
                   throws org.xml.sax.SAXException

Specified by:

startDocument in interface org.xml.sax.ContentHandler

Overrides:

startDocument in class org.xml.sax.helpers.DefaultHandler

Throws:

org.xml.sax.SAXException

See Also:

DefaultHandler

characters

public void characters(char[] aChars,
                       int aStart,
                       int aLength)

Specified by:

characters in interface org.xml.sax.ContentHandler

Overrides:

characters in class org.xml.sax.helpers.DefaultHandler

See Also:

DefaultHandler

endElement

public void endElement(java.lang.String aNamespaceURI,
                       java.lang.String aLocalName,
                       java.lang.String aQName)

Specified by:

endElement in interface org.xml.sax.ContentHandler

Overrides:

endElement in class org.xml.sax.helpers.DefaultHandler

See Also:

DefaultHandler

startElement

public void startElement(java.lang.String aNamespaceURI,
                         java.lang.String aLocalName,
                         java.lang.String aQName,
                         org.xml.sax.Attributes aAtts)

Specified by:

startElement in interface org.xml.sax.ContentHandler

Overrides:

startElement in class org.xml.sax.helpers.DefaultHandler

See Also:

DefaultHandler

getNumEvents

int getNumEvents()

Returns:

the number of events in the document

addEvent

private void addEvent()

Add an event to the model

resetData

private void resetData()

Reset the data for an event