Move all sources to 'src/'

[lttng-ust.git] / liblttng-ust-java-agent / java / lttng-ust-agent-log4j / org / lttng / ust / agent / log4j / LttngLog4jAgent.java

diff --git a/liblttng-ust-java-agent/java/lttng-ust-agent-log4j/org/lttng/ust/agent/log4j/LttngLog4jAgent.java b/liblttng-ust-java-agent/java/lttng-ust-agent-log4j/org/lttng/ust/agent/log4j/LttngLog4jAgent.java
deleted file mode 100644 (file)
index bb5deb3..0000000
--- a/liblttng-ust-java-agent/java/lttng-ust-agent-log4j/org/lttng/ust/agent/log4j/LttngLog4jAgent.java
+++ /dev/null
@@ -1,95 +0,0 @@
-/*
- * SPDX-License-Identifier: LGPL-2.1-only
- *
- * Copyright (C) 2015 EfficiOS Inc.
- * Copyright (C) 2015 Alexandre Montplaisir <alexmonthy@efficios.com>
- */
-
-package org.lttng.ust.agent.log4j;
-
-import java.util.Collection;
-import java.util.Collections;
-import java.util.Enumeration;
-import java.util.List;
-import java.util.Set;
-import java.util.TreeSet;
-
-import org.apache.log4j.Appender;
-import org.apache.log4j.Category;
-import org.apache.log4j.LogManager;
-import org.apache.log4j.Logger;
-import org.lttng.ust.agent.AbstractLttngAgent;
-
-/**
- * Agent implementation for using the Log4j logger, connecting to a root session
- * daemon.
- *
- * @author Alexandre Montplaisir
- */
-class LttngLog4jAgent extends AbstractLttngAgent<LttngLogAppender> {
-
-       private static LttngLog4jAgent instance = null;
-
-       private LttngLog4jAgent() {
-               super(Domain.LOG4J);
-       }
-
-       public static synchronized LttngLog4jAgent getInstance() {
-               if (instance == null) {
-                       instance = new LttngLog4jAgent();
-               }
-               return instance;
-       }
-
-       @Override
-       public Collection<String> listAvailableEvents() {
-               Set<String> ret = new TreeSet<String>();
-
-               @SuppressWarnings("unchecked")
-               List<Logger> loggers = Collections.list(LogManager.getCurrentLoggers());
-               for (Logger logger : loggers) {
-                       if (logger == null) {
-                               continue;
-                       }
-
-                       /*
-                        * Check if that logger has at least one LTTng log4j appender
-                        * attached.
-                        */
-                       if (hasLttngAppenderAttached(logger)) {
-                               ret.add(logger.getName());
-                       }
-               }
-
-               return ret;
-       }
-
-       private static boolean hasLttngAppenderAttached(Category logger) {
-               @SuppressWarnings("unchecked")
-               Enumeration<Appender> appenders = logger.getAllAppenders();
-               if (appenders != null) {
-                       for (Appender appender : Collections.list(appenders)) {
-                               if (appender instanceof LttngLogAppender) {
-                                       return true;
-                               }
-                       }
-               }
-
-               /*
-                * A parent logger, if any, may be connected to an LTTng handler. In
-                * this case, we will want to include this child logger in the output,
-                * since it will be accessible by LTTng.
-                */
-               Category parent = logger.getParent();
-               if (parent != null) {
-                       return hasLttngAppenderAttached(parent);
-               }
-
-               /*
-                * We have reached the root logger and have not found any LTTng handler,
-                * this event will not be accessible.
-                */
-               return false;
-       }
-
-}