edu.columbia.cs.util
Class Log

java.lang.Object
  |
  +--edu.columbia.cs.util.Log

public class Log

extends java.lang.Object

Logs messages to appropriate streams specified by a properties file. If an appropriate file stream cannot be found, System.out is used.

Field Summary

static int	DEBUG
java.io.PrintStream	debugStream
static int	DEFAULT
static int	ERROR
java.io.PrintStream	errorStream
static int	INFO
java.io.PrintStream	infoStream
java.lang.String[]	LOG_LEVEL
static int	SILENT
static int	WARNING
java.io.PrintStream	warningStream

Constructor Summary

Log()
Constructs a new Log with the default properties.

Log(java.lang.String filename)
Constructs a new Log with a specified properties file.

Method Summary

int	getLogLevel() Returns the current level of logging.
java.io.PrintStream	getLogStream(int logType) Returns the appropriate log stream.
void	logMessage(int logtype, java.lang.String msg) Log a message.
void	logMessage(int logtype, java.lang.String classname, java.lang.String msg) Log a message with a prepended class name.

Methods inherited from class java.lang.Object

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

Field Detail

SILENT

public static final int SILENT

ERROR

public static final int ERROR

WARNING

public static final int WARNING

INFO

public static final int INFO

DEBUG

public static final int DEBUG

DEFAULT

public static final int DEFAULT

LOG_LEVEL

public java.lang.String[] LOG_LEVEL

errorStream

public java.io.PrintStream errorStream

warningStream

public java.io.PrintStream warningStream

infoStream

public java.io.PrintStream infoStream

debugStream

public java.io.PrintStream debugStream

Constructor Detail

Log

public Log()

Constructs a new Log with the default properties.

Log

public Log(java.lang.String filename)

Constructs a new Log with a specified properties file.

Parameters:

filename - the name of the properties file

Method Detail

getLogLevel

public int getLogLevel()

Returns the current level of logging.

Returns:

Returns the current log level

logMessage

public void logMessage(int logtype,
                       java.lang.String msg)

Log a message.

Parameters:

logtype - the log type

msg - the message to log

logMessage

public void logMessage(int logtype,
                       java.lang.String classname,
                       java.lang.String msg)

Log a message with a prepended class name.

Parameters:

logtype - the log type

classname - the name of the class to prepend

msg - the message to log

getLogStream

public java.io.PrintStream getLogStream(int logType)

Returns the appropriate log stream.

Parameters:

logType - the type of log level