Package org.apache.logging.log4j.taglib
Class Log4jTaglibLoggerContext
java.lang.Object
org.apache.logging.log4j.taglib.Log4jTaglibLoggerContext
- All Implemented Interfaces:
LoggerContext
This bridge between the tag library and the Log4j API ensures that instances of
Log4jTaglibLogger are
appropriately held in memory and not constantly recreated.- Since:
- 2.0
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Field Summary
FieldsModifier and TypeFieldDescriptionprivate static final WeakHashMap<javax.servlet.ServletContext, Log4jTaglibLoggerContext> private final LoggerRegistry<Log4jTaglibLogger> private final javax.servlet.ServletContextFields inherited from interface org.apache.logging.log4j.spi.LoggerContext
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Constructor Summary
ConstructorsModifierConstructorDescriptionprivateLog4jTaglibLoggerContext(javax.servlet.ServletContext servletContext) -
Method Summary
Modifier and TypeMethodDescriptionGets the anchor for some other context, such as a ClassLoader or ServletContext.(package private) static Log4jTaglibLoggerContextgetInstance(javax.servlet.ServletContext servletContext) Gets an ExtendedLogger.getLogger(String name, MessageFactory messageFactory) Gets an ExtendedLogger.booleanTests if a Logger with the specified name exists.booleanhasLogger(String name, Class<? extends MessageFactory> messageFactoryClass) Tests if a Logger with the specified name and MessageFactory type exists.booleanhasLogger(String name, MessageFactory messageFactory) Tests if a Logger with the specified name and MessageFactory exists.Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, waitMethods inherited from interface org.apache.logging.log4j.spi.LoggerContext
getLogger, getLogger, getLoggerRegistry, getObject, putObject, putObjectIfAbsent, removeObject, removeObject
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Field Details
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CONTEXTS
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loggerRegistry
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servletContext
private final javax.servlet.ServletContext servletContext
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Constructor Details
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Log4jTaglibLoggerContext
private Log4jTaglibLoggerContext(javax.servlet.ServletContext servletContext)
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Method Details
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getExternalContext
Description copied from interface:LoggerContextGets the anchor for some other context, such as a ClassLoader or ServletContext.- Specified by:
getExternalContextin interfaceLoggerContext- Returns:
- The external context.
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getLogger
Description copied from interface:LoggerContextGets an ExtendedLogger.- Specified by:
getLoggerin interfaceLoggerContext- Parameters:
name- The name of the Logger to return.- Returns:
- The logger with the specified name.
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getLogger
Description copied from interface:LoggerContextGets an ExtendedLogger.- Specified by:
getLoggerin interfaceLoggerContext- Parameters:
name- The name of the Logger to return.messageFactory- The message factory is used only when creating a logger, subsequent use does not change the logger but will log a warning if mismatched.- Returns:
- The logger with the specified name.
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hasLogger
Description copied from interface:LoggerContextTests if a Logger with the specified name exists.- Specified by:
hasLoggerin interfaceLoggerContext- Parameters:
name- The Logger name to search for.- Returns:
- true if the Logger exists, false otherwise.
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hasLogger
Description copied from interface:LoggerContextTests if a Logger with the specified name and MessageFactory exists.- Specified by:
hasLoggerin interfaceLoggerContext- Parameters:
name- The Logger name to search for.messageFactory- The message factory to search for.- Returns:
- true if the Logger exists, false otherwise.
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hasLogger
Description copied from interface:LoggerContextTests if a Logger with the specified name and MessageFactory type exists.- Specified by:
hasLoggerin interfaceLoggerContext- Parameters:
name- The Logger name to search for.messageFactoryClass- The message factory class to search for.- Returns:
- true if the Logger exists, false otherwise.
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getInstance
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