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java.lang.Objectde.betabeans.scroogexhtml.logging.Logger
public class Logger
Simple implementation of the Log Interface with 'empty' logging methods. If
you need a Logger which creates output, use
Logger.setLogger(new DefaultLogger());
Note: you can use the
logging system Log4J if you replace the import statements for the logging
package by import org.apache.log4j.Logger;
. For more details,
please read the documentation for the logging package.
de.betabeans.scroogexhtml.logging
Constructor Summary | |
---|---|
protected |
Logger()
Protected constructor that is not available for public use. |
Method Summary | |
---|---|
static void |
addLogListener(LogListener listener)
Add a log listener. |
void |
debug(java.lang.Object message)
Empty implementation |
void |
debug(java.lang.Object message,
java.lang.Throwable t)
Empty implementation. |
void |
error(java.lang.Object message)
Empty implementation |
void |
error(java.lang.Object message,
java.lang.Throwable t)
Empty implementation. |
void |
fatal(java.lang.Object message)
Empty implementation. |
void |
fatal(java.lang.Object message,
java.lang.Throwable t)
Empty implementation. |
static Logger |
getLogger(java.lang.Class clazz)
Get the logger object. |
static short |
getLogLevel()
Get the logging level. |
static LogListener[] |
getLogListeners()
The get<ListenerType>s method returns the set of registered event listeners. |
static java.util.Vector |
getLogListenerVector()
Returns the log listener vector value. |
void |
info(java.lang.Object message)
Empty implementation |
void |
info(java.lang.Object message,
java.lang.Throwable t)
Empty implementation. |
boolean |
isDebugEnabled()
Is debug logging currently enabled? |
boolean |
isErrorEnabled()
Is error logging currently enabled? |
boolean |
isFatalEnabled()
Is fatal logging currently enabled? |
boolean |
isInfoEnabled()
Is info logging currently enabled? |
boolean |
isTraceEnabled()
Is trace logging currently enabled? |
boolean |
isWarnEnabled()
Is warn logging currently enabled? |
static void |
removeLogListener(LogListener listener)
Remove a LogListener. |
static void |
setLogger(Logger newValue)
Set the logger object. |
static void |
setLogLevel(short newValue)
Set the logging level. |
void |
trace(java.lang.Object message)
Log a message with trace log level. |
void |
trace(java.lang.Object message,
java.lang.Throwable t)
Empty implementation. |
void |
warn(java.lang.Object message)
Empty implementation |
void |
warn(java.lang.Object message,
java.lang.Throwable t)
Empty implementation. |
Methods inherited from class java.lang.Object |
---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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protected Logger()
Method Detail |
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public static void setLogger(Logger newValue)
newValue
- Loggerpublic static Logger getLogger(java.lang.Class clazz)
clazz
- Class
public static short getLogLevel()
public static void setLogLevel(short newValue)
newValue
- shortpublic static java.util.Vector getLogListenerVector()
public static LogListener[] getLogListeners()
public static void addLogListener(LogListener listener)
listener
- The feature to be added to the LogListener attributepublic static void removeLogListener(LogListener listener)
listener
- The logging listener.public boolean isDebugEnabled()
Is debug logging currently enabled?
Call this method to prevent having to perform expensive operations (for
example, String
concatenation) when the log level is more
than debug.
isDebugEnabled
in interface Log
public boolean isErrorEnabled()
Is error logging currently enabled?
Call this method to prevent having to perform expensive operations (for
example, String
concatenation) when the log level is more
than error.
isErrorEnabled
in interface Log
public boolean isFatalEnabled()
Is fatal logging currently enabled?
Call this method to prevent having to perform expensive operations (for
example, String
concatenation) when the log level is more
than fatal.
isFatalEnabled
in interface Log
public boolean isInfoEnabled()
Is info logging currently enabled?
Call this method to prevent having to perform expensive operations (for
example, String
concatenation) when the log level is more
than info.
isInfoEnabled
in interface Log
public boolean isTraceEnabled()
Is trace logging currently enabled?
Call this method to prevent having to perform expensive operations (for
example, String
concatenation) when the log level is more
than trace.
isTraceEnabled
in interface Log
public boolean isWarnEnabled()
Is warn logging currently enabled?
Call this method to prevent having to perform expensive operations (for
example, String
concatenation) when the log level is more
than warn.
isWarnEnabled
in interface Log
public void trace(java.lang.Object message)
Log a message with trace log level.
trace
in interface Log
message
- log this messagepublic void debug(java.lang.Object message)
debug
in interface Log
message
- The message to be logged.public void info(java.lang.Object message)
info
in interface Log
message
- The message to be logged.public void warn(java.lang.Object message)
warn
in interface Log
message
- The message to be logged.public void error(java.lang.Object message)
error
in interface Log
message
- The message to be logged.public void fatal(java.lang.Object message)
fatal
in interface Log
message
- The message to be logged.public void trace(java.lang.Object message, java.lang.Throwable t)
trace
in interface Log
message
- Objectt
- Throwablepublic void debug(java.lang.Object message, java.lang.Throwable t)
debug
in interface Log
message
- Objectt
- Throwablepublic void info(java.lang.Object message, java.lang.Throwable t)
info
in interface Log
message
- Objectt
- Throwablepublic void warn(java.lang.Object message, java.lang.Throwable t)
warn
in interface Log
message
- Objectt
- Throwablepublic void error(java.lang.Object message, java.lang.Throwable t)
error
in interface Log
message
- Objectt
- Throwablepublic void fatal(java.lang.Object message, java.lang.Throwable t)
fatal
in interface Log
message
- Objectt
- Throwable
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