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public interface Logger
Adapter to logging systems that intends to make Commons Logging optional on deployments running on JDK 1.4 or later.
Method Summary | |
---|---|
void |
debug(java.lang.String name,
java.lang.String message,
java.lang.Throwable exception,
java.lang.Object[] params)
Log a message at debug severity. |
void |
error(java.lang.String name,
java.lang.String message,
java.lang.Throwable exception,
java.lang.Object[] params)
Log a message at error severity. |
void |
fatal(java.lang.String name,
java.lang.String message,
java.lang.Throwable exception,
java.lang.Object[] params)
Log a message at fatal severity. |
void |
info(java.lang.String name,
java.lang.String message,
java.lang.Throwable exception,
java.lang.Object[] params)
Log a message at info severity. |
boolean |
isDebugEnabled(java.lang.String name)
Is debug level debugging enabled on the specified logger? |
boolean |
isErrorEnabled(java.lang.String name)
Is error level debugging enabled on the specified logger? |
boolean |
isFatalEnabled(java.lang.String name)
Is fatal level debugging enabled on the specified logger? |
boolean |
isInfoEnabled(java.lang.String name)
Is info level debugging enabled on the specified logger? |
boolean |
isTraceEnabled(java.lang.String name)
Is trace level debugging enabled on the specified logger? |
boolean |
isWarnEnabled(java.lang.String name)
Is warning level debugging enabled on the specified logger? |
void |
trace(java.lang.String name,
java.lang.String message,
java.lang.Throwable exception,
java.lang.Object[] params)
Log a message at trace severity. |
void |
warn(java.lang.String name,
java.lang.String message,
java.lang.Throwable exception,
java.lang.Object[] params)
Log a message at warning severity. |
Method Detail |
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boolean isTraceEnabled(java.lang.String name)
Is trace level debugging enabled on the specified logger?
name
- Name of the logger to checkboolean isDebugEnabled(java.lang.String name)
Is debug level debugging enabled on the specified logger?
name
- Name of the logger to checkboolean isInfoEnabled(java.lang.String name)
Is info level debugging enabled on the specified logger?
name
- Name of the logger to checkboolean isWarnEnabled(java.lang.String name)
Is warning level debugging enabled on the specified logger?
name
- Name of the logger to checkboolean isErrorEnabled(java.lang.String name)
Is error level debugging enabled on the specified logger?
name
- Name of the logger to checkboolean isFatalEnabled(java.lang.String name)
Is fatal level debugging enabled on the specified logger?
name
- Name of the logger to checkvoid trace(java.lang.String name, java.lang.String message, java.lang.Throwable exception, java.lang.Object[] params)
Log a message at trace severity.
name
- Name of the logger to usemessage
- Text message to record (treated as a message format if
the params
argument is not null)exception
- Exception to report, or null
for noneparams
- Message4 format replacement parameters, or
null
for nonevoid debug(java.lang.String name, java.lang.String message, java.lang.Throwable exception, java.lang.Object[] params)
Log a message at debug severity.
name
- Name of the logger to usemessage
- Text message to record (treated as a message format if
the params
argument is not null)exception
- Exception to report, or null
for noneparams
- Message4 format replacement parameters, or
null
for nonevoid info(java.lang.String name, java.lang.String message, java.lang.Throwable exception, java.lang.Object[] params)
Log a message at info severity.
name
- Name of the logger to usemessage
- Text message to record (treated as a message format if
the params
argument is not null)exception
- Exception to report, or null
for noneparams
- Message4 format replacement parameters, or
null
for nonevoid warn(java.lang.String name, java.lang.String message, java.lang.Throwable exception, java.lang.Object[] params)
Log a message at warning severity.
name
- Name of the logger to usemessage
- Text message to record (treated as a message format if
the params
argument is not null)exception
- Exception to report, or null
for noneparams
- Message4 format replacement parameters, or
null
for nonevoid error(java.lang.String name, java.lang.String message, java.lang.Throwable exception, java.lang.Object[] params)
Log a message at error severity.
name
- Name of the logger to usemessage
- Text message to record (treated as a message format if
the params
argument is not null)exception
- Exception to report, or null
for noneparams
- Message4 format replacement parameters, or
null
for nonevoid fatal(java.lang.String name, java.lang.String message, java.lang.Throwable exception, java.lang.Object[] params)
Log a message at fatal severity.
name
- Name of the logger to usemessage
- Text message to record (treated as a message format if
the params
argument is not null)exception
- Exception to report, or null
for noneparams
- Message4 format replacement parameters, or
null
for none
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