[GitHub] [logging-log4j2] ppkarwasz commented on a change in pull request #731: Adds a Tomcat lookup

[GitBox <gi...@apache.org>]

ppkarwasz commented on a change in pull request #731:
URL: https://github.com/apache/logging-log4j2/pull/731#discussion_r793958070



##########
File path: log4j-appserver/src/main/java/org/apache/logging/log4j/appserver/tomcat/TomcatLookup.java
##########
@@ -0,0 +1,67 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache license, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the license for the specific language governing permissions and
+ * limitations under the license.
+ */
+package org.apache.logging.log4j.appserver.tomcat;
+
+import org.apache.juli.WebappProperties;
+import org.apache.logging.log4j.core.LogEvent;
+import org.apache.logging.log4j.core.config.plugins.Plugin;
+import org.apache.logging.log4j.core.lookup.StrLookup;
+
+/**
+ * Resolves the names specific to Tomcat's internal component structure. The
+ * names of the properties starting with {@code classloader.} are kept for
+ * compatibility with the original Tomcat JULI implementation.
+ */
+@Plugin(name = "tomcat", category = StrLookup.CATEGORY)
+public class TomcatLookup implements StrLookup {
+
+    private static final String SERVICE_LOGGER_FORMAT = "org.apache.catalina.core.ContainerBase.[%s]";
+    private static final String HOST_LOGGER_FORMAT = "org.apache.catalina.core.ContainerBase.[%s].[%s]";
+    private static final String CONTEXT_LOGGER_FORMAT = "org.apache.catalina.core.ContainerBase.[%s].[%s].[%s]";
+
+    @Override
+    public String lookup(String key) {
+        final ClassLoader cl = Thread.currentThread().getContextClassLoader();
+        if (cl instanceof WebappProperties) {
+            final WebappProperties props = (WebappProperties) cl;
+            switch (key) {

Review comment:
       Corrected, thanks.




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