org.apache.commons.logging

Class LogAdapter

java.lang.Object

org.apache.commons.logging.LogAdapter

final class LogAdapter
extends java.lang.Object

Spring's common JCL adapter behind LogFactory and LogFactoryService. Detects the presence of Log4j 2.x / SLF4J, falling back to java.util.logging.

Since:

5.1

Author:

Juergen Hoeller

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
private static class	LogAdapter.JavaUtilAdapter
private static class	LogAdapter.JavaUtilLog
private static class	LogAdapter.LocationResolvingLogRecord
private static class	LogAdapter.Log4jAdapter
private static class	LogAdapter.Log4jLog
private static class	LogAdapter.LogApi
private static class	LogAdapter.Slf4jAdapter
private static class	LogAdapter.Slf4jLocationAwareLog
private static class	LogAdapter.Slf4jLog<T extends Logger>

Field Summary

Fields

Modifier and Type	Field and Description
private static java.lang.String	LOG4J_SLF4J_PROVIDER
private static java.lang.String	LOG4J_SPI
private static LogAdapter.LogApi	logApi
private static java.lang.String	SLF4J_API
private static java.lang.String	SLF4J_SPI

Constructor Summary

Constructors

Modifier	Constructor and Description
private	LogAdapter()

Method Summary

Modifier and Type	Method and Description
static Log	createLog(java.lang.String name) Create an actual Log instance for the selected API.
private static boolean	isPresent(java.lang.String className)

Methods inherited from class java.lang.Object

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

Field Detail

LOG4J_SPI

private static final java.lang.String LOG4J_SPI

See Also:

Constant Field Values

LOG4J_SLF4J_PROVIDER

private static final java.lang.String LOG4J_SLF4J_PROVIDER

See Also:

Constant Field Values

SLF4J_SPI

private static final java.lang.String SLF4J_SPI

See Also:

Constant Field Values

SLF4J_API

private static final java.lang.String SLF4J_API

See Also:

Constant Field Values

logApi

private static final LogAdapter.LogApi logApi

Constructor Detail

LogAdapter

private LogAdapter()

Method Detail

createLog

public static Log createLog(java.lang.String name)

Create an actual Log instance for the selected API.

Parameters:

name - the logger name

isPresent

private static boolean isPresent(java.lang.String className)