The Simple Logging Facade for Java or (SLF4J) serves as a simple facade or abstraction for various logging frameworks, e.g. java.util.logging, log4j and logback, allowing the end user to plug in the desired logging framework at deployment time.

JAR File Size and Download Location:

File name: slf4j-api.jar, slf4j-api-1.6.1.jar
File size: 25496 bytes
Date modified: 05-Jul-2010
Download: Simple Logging Facade for Java (SLF4J)

Manifest of the JAR:

Archiver-Version: Plexus Archiver
Built-By: ceki
Build-Jdk: 1.6.0_16
Bundle-Description: The slf4j API
Bundle-Version: 1.6.1
Implementation-Version: 1.6.1
Implementation-Title: slf4j-api
Bundle-ManifestVersion: 2
Bundle-SymbolicName: slf4j.api
Bundle-Name: slf4j-api
Bundle-Vendor: SLF4J.ORG
Bundle-RequiredExecutionEnvironment: J2SE-1.3
Import-Package: org.slf4j.impl;version=1.6.0

List of Classes in the JAR:

org/slf4j/helpers/BasicMarker
org/slf4j/helpers/BasicMarkerFactory
org/slf4j/helpers/BasicMDCAdapter
org/slf4j/helpers/FormattingTuple
org/slf4j/helpers/MarkerIgnoringBase
org/slf4j/helpers/MessageFormatter
org/slf4j/helpers/NamedLoggerBase
org/slf4j/helpers/NOPLogger
org/slf4j/helpers/NOPLoggerFactory
org/slf4j/helpers/NOPMDCAdapter
org/slf4j/helpers/SubstituteLoggerFactory
org/slf4j/helpers/Util
org/slf4j/ILoggerFactory
org/slf4j/IMarkerFactory
org/slf4j/Logger
org/slf4j/LoggerFactory
org/slf4j/Marker
org/slf4j/MarkerFactory
org/slf4j/MDC
org/slf4j/spi/LocationAwareLogger
org/slf4j/spi/LoggerFactoryBinder
org/slf4j/spi/MarkerFactoryBinder
org/slf4j/spi/MDCAdapter