Issue #4572 - Initial implementation of jetty-slf4j-impl

Signed-off-by: Joakim Erdfelt <[email protected]>

jetty-slf4j-impl/pom.xml

@@ -0,0 +1,52 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+  <parent>
+    <groupId>org.eclipse.jetty</groupId>
+    <artifactId>jetty-project</artifactId>
+    <version>10.0.0-SNAPSHOT</version>
+  </parent>
+  <modelVersion>4.0.0</modelVersion>
+  <artifactId>jetty-slf4j-impl</artifactId>
+  <name>Jetty :: Slf4j Implementation</name>
+  <description>Slf4j Logging Implementation based on Jetty's older StdErrLog</description>
+  <url>http://www.eclipse.org/jetty</url>
+  <properties>
+    <bundle-symbolic-name>${project.groupId}.logging</bundle-symbolic-name>
+  </properties>
+  <build>
+    <plugins>
+      <plugin>
+        <groupId>org.apache.felix</groupId>
+        <artifactId>maven-bundle-plugin</artifactId>
+        <extensions>true</extensions>
+        <configuration>
+          <instructions>
+            <Require-Capability>osgi.serviceloader; filter:="(osgi.serviceloader=org.eclipse.jetty.util.security.CredentialProvider)";resolution:=optional;cardinality:=multiple, osgi.extender; filter:="(osgi.extender=osgi.serviceloader.processor)";resolution:=optional</Require-Capability>
+          </instructions>
+        </configuration>
+      </plugin>
+      <!--      <plugin>
+              <groupId>org.apache.maven.plugins</groupId>
+              <artifactId>maven-surefire-plugin</artifactId>
+              <configuration>
+                <systemPropertyVariables>
+                  <mavenRepoPath>${settings.localRepository}</mavenRepoPath>
+                </systemPropertyVariables>
+                <argLine>
+                  @{argLine} ${jetty.surefire.argLine} &#45;&#45;add-modules org.slf4j
+                </argLine>
+              </configuration>
+            </plugin>-->
+    </plugins>
+  </build>
+  <dependencies>
+    <dependency>
+      <groupId>org.eclipse.jetty.toolchain</groupId>
+      <artifactId>jetty-test-helper</artifactId>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.slf4j</groupId>
+      <artifactId>slf4j-api</artifactId>
+    </dependency>
+  </dependencies>
+</project>

jetty-slf4j-impl/src/main/java/org/eclipse/jetty/logging/JettyAppender.java

@@ -0,0 +1,24 @@
+//
+// ========================================================================
+// Copyright (c) 1995-2020 Mort Bay Consulting Pty Ltd and others.
+//
+// This program and the accompanying materials are made available under
+// the terms of the Eclipse Public License 2.0 which is available at
+// https://www.eclipse.org/legal/epl-2.0
+//
+// This Source Code may also be made available under the following
+// Secondary Licenses when the conditions for such availability set
+// forth in the Eclipse Public License, v. 2.0 are satisfied:
+// the Apache License v2.0 which is available at
+// https://www.apache.org/licenses/LICENSE-2.0
+//
+// SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
+// ========================================================================
+//
+
+package org.eclipse.jetty.logging;
+
+public interface JettyAppender
+{
+    void emit(JettyLoggingEvent event);
+}