com.sun.enterprise.server.logging.logviewer.backend

Class LogFile

java.lang.Object

com.sun.enterprise.server.logging.logviewer.backend.LogFile

All Implemented Interfaces:

Serializable

public class LogFile
extends Object
implements Serializable

This class encapsulates the log file so that its details are not exposed. "getLongEntries" returns an unfiltered List of LogEntry objects from the requested record number. It will always search forward. getIndexSize() returns the number of records between each index. getLastIndexNumber returns the last index.

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	LogFile.LogEntry Class to manage LogEntry information

Constructor Summary

Constructors

Constructor and Description
LogFile(String name) Constructor

Method Summary

Modifier and Type	Method and Description
long	getIndexSize()
long	getLastIndexNumber() The log records are indexed, this method returns the last index.
List	getLogEntries(long startingRecord) This method returns up to _indexSize records starting with the given record number.
List	getLogEntries(long startingRecord, long maxRecords) This method returns up to _indexSize records starting with the given record number.
String	getLogFileName()
protected BufferedReader	getLogFileReader(long fromFilePosition) This method opens the server.log file and moves the stream to the specified filePosition.

Methods inherited from class java.lang.Object

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

Constructor Detail

LogFile

public LogFile(String name)

Constructor

Method Detail

getLogEntries

public List getLogEntries(long startingRecord)

This method returns up to _indexSize records starting with the given record number.

Parameters:

startingRecord - The starting point to search for LogEntries

getLogEntries

public List getLogEntries(long startingRecord,
                          long maxRecords)

This method returns up to _indexSize records starting with the given record number. It will return up to "maxRecords" records.

Parameters:

startingRecord - The starting point to search for LogEntries

maxRecords - The maximum number of records to return

getLogFileReader

protected BufferedReader getLogFileReader(long fromFilePosition)

This method opens the server.log file and moves the stream to the specified filePosition.

getLogFileName

public String getLogFileName()

getLastIndexNumber

public long getLastIndexNumber()

The log records are indexed, this method returns the last index. It will ensure that the indexes are up-to-date.

getIndexSize

public long getIndexSize()