org.rhq.core.pluginapi.event.log
Class MultiLineLogEntryProcessor

java.lang.Object
  org.rhq.core.pluginapi.event.log.MultiLineLogEntryProcessor

All Implemented Interfaces:

LogEntryProcessor

Direct Known Subclasses:

Log4JLogEntryProcessor

public abstract class MultiLineLogEntryProcessor
extends Object
implements LogEntryProcessor

A LogEntryProcessor for multi-line log files - provides several abstract methods that subclasses must implement.

Nested Class Summary

protected class	MultiLineLogEntryProcessor.LogEntry
protected class	MultiLineLogEntryProcessor.ParseException

Field Summary

protected DateFormat	dateFormat
protected String	eventType
protected Pattern	includesPattern
protected org.apache.commons.logging.Log	log
protected File	logFile
protected EventSeverity	minimumSeverity

Constructor Summary

MultiLineLogEntryProcessor(String eventType, File logFile)

Method Summary

protected abstract DateFormat	getDefaultDateFormat()
protected abstract Pattern	getPattern()
protected Date	parseDateString(String dateString)
protected MultiLineLogEntryProcessor.LogEntry	processLine(String line, Set<Event> events, MultiLineLogEntryProcessor.LogEntry currentEntry)
Set<Event>	processLines(BufferedReader bufferedReader) Processes the specified lines from a log file, and returns a set of Events if appropriate, or otherwise, null.
protected abstract MultiLineLogEntryProcessor.LogEntry	processPrimaryLine(Matcher matcher)
void	setDateFormat(DateFormat dateFormat)
protected static void	setDateIfNotSet(Date timestamp)
void	setIncludesPattern(Pattern includesPattern)
void	setMinimumSeverity(EventSeverity minimumSeverity)

Methods inherited from class java.lang.Object

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

Field Detail

log

protected final org.apache.commons.logging.Log log

eventType

protected String eventType

logFile

protected File logFile

minimumSeverity

protected EventSeverity minimumSeverity

includesPattern

protected Pattern includesPattern

dateFormat

protected DateFormat dateFormat

Constructor Detail

MultiLineLogEntryProcessor

public MultiLineLogEntryProcessor(String eventType,
                                  File logFile)

Method Detail

processLines

@Nullable
public Set<Event> processLines(BufferedReader bufferedReader)
                        throws IOException

Description copied from interface: LogEntryProcessor

Processes the specified lines from a log file, and returns a set of Events if appropriate, or otherwise, null.

Specified by:

processLines in interface LogEntryProcessor

Parameters:

bufferedReader - a buffered reader from which the lines can be read

Returns:

a set of Events if appropriate, or otherwise, null

Throws:

IOException - if reading lines from the supplied buffer reader fails

setMinimumSeverity

public void setMinimumSeverity(EventSeverity minimumSeverity)

setIncludesPattern

public void setIncludesPattern(Pattern includesPattern)

setDateFormat

public void setDateFormat(DateFormat dateFormat)

processLine

protected MultiLineLogEntryProcessor.LogEntry processLine(String line,
                                                          Set<Event> events,
                                                          MultiLineLogEntryProcessor.LogEntry currentEntry)

getPattern

protected abstract Pattern getPattern()

processPrimaryLine

protected abstract MultiLineLogEntryProcessor.LogEntry processPrimaryLine(Matcher matcher)
                                                                   throws MultiLineLogEntryProcessor.ParseException

Throws:

MultiLineLogEntryProcessor.ParseException

getDefaultDateFormat

protected abstract DateFormat getDefaultDateFormat()

parseDateString

protected Date parseDateString(String dateString)
                        throws MultiLineLogEntryProcessor.ParseException

Throws:

MultiLineLogEntryProcessor.ParseException

setDateIfNotSet

protected static void setDateIfNotSet(Date timestamp)