Also, in LoggingSystem.java
private static final String[] COMPATIBLE_API_VERSIONS = {"2.6.0"};
absolutely needs to be changed to version “3.0.0”.
Ralph
> On Oct 31, 2022, at 3:49 PM, Ralph Goers <ralph.go...@dslextreme.com> wrote:
>
> Matt,
>
> I absolutely would have preferred that you had created a PR for this and
> asked for a review before committing it as I have a few concerns:
>
> 1. It is a massive commit. It is going to take time to digest exactly what
> you have done.
> 2. You have created a util3 package in API with no discussion of this on the
> dev list. I assume that it contains artifacts that were cleaned up from util
> and are now no longer compatible? Or does it only contain classes that are
> exportable to other Log4j artifacts (I do see that in module-info.java). If
> these classes are meant to be private then I would have preferred that it be
> moved to internal/util.
> 3. I no longer understand the point of Lazy<>. LogManager now performs no
> static initialization that I can see. Instead, it calls
> LoggingSystem.getInstance(). What is the point of making initialization of
> INSTANCE lazy? You accomplished what you wanted to by moving the static
> initialization to another class.
> 4-10. I have no idea as it will take me a week to muddle through the rest of
> all these changes to figure out what happened.
>
> Ralph
>
>> On Oct 30, 2022, at 6:24 PM, mattsic...@apache.org wrote:
>>
>> This is an automated email from the ASF dual-hosted git repository.
>>
>> mattsicker pushed a commit to branch master
>> in repository https://gitbox.apache.org/repos/asf/logging-log4j2.git
>>
>>
>> The following commit(s) were added to refs/heads/master by this push:
>> new aab23d5c05 [LOG4J2-3459] - Add LoggingSystemProvider SPI
>> aab23d5c05 is described below
>>
>> commit aab23d5c05bff2915c290dff3e73a0ae03caf43a
>> Author: Matt Sicker <mattsic...@apache.org>
>> AuthorDate: Sun Oct 30 20:24:17 2022 -0500
>>
>> [LOG4J2-3459] - Add LoggingSystemProvider SPI
>>
>> This helps clean up a lot of static state in Log4j API along with enabling
>> further extensibility by exposing LoggingSystemProvider::getInstance which
>> can be implemented using Injector in Log4j Core. The general utility class
>> for working with this provider is available as an internal (util3) class in
>> LoggingSystem. Test fixture helper classes have also been updated to use
>> LoggingSystem directly.
>>
>> Signed-off-by: Matt Sicker <mattsic...@apache.org>
>> ---
>> .../junit/LogManagerLoggerContextFactoryRule.java | 11 +-
>> .../test/junit/LoggerContextFactoryExtension.java | 12 +-
>> .../{TestProvider.java => TestSystemProvider.java} | 23 +-
>> .../log4j/spi/DefaultThreadContextMapTest.java | 10 +-
>> ....apache.logging.log4j.spi.LoggingSystemProvider | 17 ++
>> .../services/org.apache.logging.log4j.spi.Provider | 1 -
>> log4j-api/src/main/java/module-info.java | 5 +-
>> .../java/org/apache/logging/log4j/LogManager.java | 76 +------
>> .../org/apache/logging/log4j/ThreadContext.java | 133 +++++------
>> .../org/apache/logging/log4j/internal/Binding.java | 32 ++-
>> .../apache/logging/log4j/internal/BindingMap.java | 59 +++++
>> .../log4j/simple/SimpleLoggingSystemProvider.java | 24 +-
>> .../log4j/spi/AbstractLoggingSystemProvider.java | 60 +++++
>> .../CopyOnWriteSortedArrayThreadContextMap.java | 68 ++----
>> .../log4j/spi/DefaultContextMapFactory.java | 102 +++++++++
>> .../log4j/spi/DefaultContextStackFactory.java | 50 ++++
>> .../logging/log4j/spi/DefaultThreadContextMap.java | 36 +--
>> .../GarbageFreeSortedArrayThreadContextMap.java | 51 ++---
>> .../log4j/spi/LegacyLoggingSystemProvider.java | 125 ++++++++++
>> .../logging/log4j/spi/LoggingSystemProvider.java | 82 +++++++
>> .../org/apache/logging/log4j/spi/Provider.java | 253
>> ---------------------
>> .../logging/log4j/spi/ThreadContextMapFactory.java | 134 -----------
>> .../org/apache/logging/log4j/util/LazyInt.java | 52 -----
>> .../org/apache/logging/log4j/util3/Activator.java | 57 +++--
>> .../org/apache/logging/log4j/util3/Constants.java | 43 ++--
>> .../apache/logging/log4j/util3/LoggingSystem.java | 223 ++++++++++++++++++
>> .../apache/logging/log4j/util3/PropertiesUtil.java | 31 +--
>> .../apache/logging/log4j/util3/ProviderUtil.java | 143 ------------
>> .../core/test/junit/ContextSelectorCallback.java | 9 +-
>> .../core/test/junit/LoggerContextResolver.java | 10 +-
>> .../log4j/core/test/junit/LoggerContextRule.java | 5 +-
>> ....apache.logging.log4j.spi.LoggingSystemProvider | 17 ++
>> .../services/org.apache.logging.log4j.spi.Provider | 1 -
>> log4j-core/src/main/java/module-info.java | 7 +-
>> .../log4j/core/impl/Log4jSystemProvider.java | 75 ++++++
>> .../apache/logging/log4j/core/osgi/Activator.java | 4 +-
>> ....apache.logging.log4j.spi.LoggingSystemProvider | 17 ++
>> .../services/org.apache.logging.log4j.spi.Provider | 1 -
>> .../CopyOnWriteOpenHashMapThreadContextMap.java | 3 +-
>> .../GarbageFreeOpenHashMapThreadContextMap.java | 3 +-
>> log4j-to-jul/src/main/java/module-info.java | 7 +-
>> .../{JULProvider.java => JULSystemProvider.java} | 24 +-
>> ....apache.logging.log4j.spi.LoggingSystemProvider | 17 ++
>> .../services/org.apache.logging.log4j.spi.Provider | 18 --
>> .../org/apache/logging/slf4j/MDCContextMap.java | 19 +-
>> .../apache/logging/slf4j/SLF4JSystemProvider.java | 30 ++-
>> ....apache.logging.log4j.spi.LoggingSystemProvider | 17 ++
>> .../services/org.apache.logging.log4j.spi.Provider | 1 -
>> src/changes/changes.xml | 3 +
>> src/site/asciidoc/manual/extending.adoc | 20 +-
>> src/site/asciidoc/runtime-dependencies.adoc | 4 +-
>> 51 files changed, 1202 insertions(+), 1023 deletions(-)
>
