org.apache.jserv
Class JServLog

java.lang.Object
  |
  +--org.apache.jserv.JServLog
final class JServLog
extends java.lang.Object
implements JServSendError, Logger

This class is used to trace and report errors and execution. Made it a delegating class in order to ignore errors opening the logfile (hen)

Version:
$Revision: 1.7 $ $Date: 1999/09/21 17:26:52 $
See Also:
LogWriter

Field Summary
 boolean active
           
private  java.lang.String errorMessage
           
private  LogWriter logger
           
 
Constructor Summary
JServLog(java.lang.String identifier, Configurations confs)
          Construct this class
 
Method Summary
 void flush()
          Flush the log.
 java.lang.String getSubsystemError()
          returns the last Error occured in this subsystem
 boolean isActive()
          Tells if it is active.
 boolean isActive(java.lang.String channel)
          Tells if the given channel is active.
 boolean isSane()
          returns true if this subsystem is sane
 void log(java.lang.String channel, java.lang.String message)
          Prints the log message on the right channel.
 void log(java.lang.String channel, java.lang.Throwable t)
          Prints the error message and stack trace if channel enabled.
 void sendError(int sc, java.lang.String msg)
          Report a problem encountered while initializing.
 void sendError(java.lang.Throwable error)
          Report an exception or error encountered while loading a servlet.
 
Methods inherited from class java.lang.Object
, clone, equals, finalize, getClass, hashCode, notify, notifyAll, registerNatives, toString, wait, wait, wait
 

Field Detail

errorMessage

private java.lang.String errorMessage

logger

private LogWriter logger

active

public boolean active
Constructor Detail

JServLog

public JServLog(java.lang.String identifier,
                Configurations confs)
Construct this class
Method Detail

isActive

public boolean isActive()
Tells if it is active.
Specified by:
isActive in interface Logger

isActive

public boolean isActive(java.lang.String channel)
Tells if the given channel is active.
Specified by:
isActive in interface Logger
Parameters:
channel - the channel to test.

log

public void log(java.lang.String channel,
                java.lang.String message)
Prints the log message on the right channel.

A "channel" is a virtual log that may be enabled or disabled by setting the property "identifier".channel.???=true where ??? is the channel identifier that must be passed with the message. If a channel is not recognized or its property is set to false the message is not written.

Specified by:
log in interface Logger
Parameters:
channel - the channel to put the message on.
name - the message to log.

log

public void log(java.lang.String channel,
                java.lang.Throwable t)
Prints the error message and stack trace if channel enabled.
Specified by:
log in interface Logger
Parameters:
t - the error thrown.

flush

public void flush()
Flush the log. Write any pending messages into the log media.
Specified by:
flush in interface Logger

sendError

public void sendError(int sc,
                      java.lang.String msg)
Report a problem encountered while initializing.
Specified by:
sendError in interface JServSendError

sendError

public void sendError(java.lang.Throwable error)
Report an exception or error encountered while loading a servlet.
Specified by:
sendError in interface JServSendError

getSubsystemError

public java.lang.String getSubsystemError()
returns the last Error occured in this subsystem

isSane

public boolean isSane()
returns true if this subsystem is sane