# Package org.springframework.core.log

@NonNullApi @NonNullFields package org.springframework.core.log
Useful delegates for Spring's logging conventions.

Related Packages
Package
Description
org.springframework.core
Provides basic classes for exception handling and version detection, and other core helpers that are not specific to any part of the framework.
Classes
Class
Description
LogAccessor
A convenient accessor for Commons Logging, providing not only `CharSequence` based log methods but also `Supplier` based variants for use with Java 8 lambda expressions.
LogDelegateFactory
Factory for common `Log` delegates with Spring's logging conventions.
LogFormatUtils
Utility methods for formatting and logging messages.
LogMessage
A simple log message type for use with Commons Logging, allowing for convenient lazy resolution of a given `Supplier` instance (typically bound to a lambda expression) or a printf-style format string (`String.format(java.lang.String, java.lang.Object...)`) in its `LogMessage.toString()`.