support slf4j 2.0.+

build.gradle

@@ -137,7 +137,7 @@ project('gflog-jul') {
 project('gflog-slf4j') {
     dependencies {
         api project(':gflog-api')
-        api 'org.slf4j:slf4j-api:1.7.36'
+        api 'org.slf4j:slf4j-api:2.0.11'
         testImplementation project(':gflog-core')
     }
 }

gflog-slf4j/src/main/java/com/epam/deltix/gflog/slf4j/Slf4jBridgeProvider.java

@@ -0,0 +1,43 @@
+package com.epam.deltix.gflog.slf4j;
+
+import org.slf4j.ILoggerFactory;
+import org.slf4j.IMarkerFactory;
+import org.slf4j.helpers.BasicMDCAdapter;
+import org.slf4j.helpers.BasicMarkerFactory;
+import org.slf4j.spi.MDCAdapter;
+import org.slf4j.spi.SLF4JServiceProvider;
+
+public final class Slf4jBridgeProvider implements SLF4JServiceProvider {
+
+    private static final String MAX_SUPPORTED_API_VERSION = "2.0.99";
+
+    private final Slf4jBridgeFactory loggerFactory = new Slf4jBridgeFactory();
+    private final BasicMarkerFactory markerFactory = new BasicMarkerFactory();
+    private final BasicMDCAdapter mdcAdapter = new BasicMDCAdapter();
+
+    @Override
+    public ILoggerFactory getLoggerFactory() {
+        return loggerFactory;
+    }
+
+    @Override
+    public IMarkerFactory getMarkerFactory() {
+        return markerFactory;
+    }
+
+    @Override
+    public MDCAdapter getMDCAdapter() {
+        return mdcAdapter;
+    }
+
+    @Override
+    public String getRequestedApiVersion() {
+        return MAX_SUPPORTED_API_VERSION;
+    }
+
+    @Override
+    public void initialize() {
+        // lazy initialization
+    }
+
+}

gflog-slf4j/src/main/resources/META-INF/services/org.slf4j.spi.SLF4JServiceProvider

@@ -0,0 +1 @@
+com.epam.deltix.gflog.slf4j.Slf4jBridgeProvider