Move all sources to 'src/'

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

diff --git a/liblttng-ust-java-agent/java/lttng-ust-agent-log4j/org/lttng/ust/agent/log4j/LttngLogAppender.java b/liblttng-ust-java-agent/java/lttng-ust-agent-log4j/org/lttng/ust/agent/log4j/LttngLogAppender.java
deleted file mode 100644 (file)
index c232fb8..0000000
--- a/liblttng-ust-java-agent/java/lttng-ust-agent-log4j/org/lttng/ust/agent/log4j/LttngLogAppender.java
+++ /dev/null
@@ -1,132 +0,0 @@
-/*
- * SPDX-License-Identifier: LGPL-2.1-only
- *
- * Copyright (C) 2015 EfficiOS Inc.
- * Copyright (C) 2015 Alexandre Montplaisir <alexmonthy@efficios.com>
- * Copyright (C) 2014 Christian Babeux <christian.babeux@efficios.com>
- */
-
-package org.lttng.ust.agent.log4j;
-
-import java.io.IOException;
-import java.util.Collection;
-import java.util.Map;
-import java.util.Map.Entry;
-import java.util.concurrent.atomic.AtomicLong;
-
-import org.apache.log4j.AppenderSkeleton;
-import org.apache.log4j.spi.LoggingEvent;
-import org.lttng.ust.agent.ILttngAgent;
-import org.lttng.ust.agent.ILttngHandler;
-import org.lttng.ust.agent.context.ContextInfoSerializer;
-
-/**
- * LTTng-UST Log4j 1.x log handler.
- *
- * Applications can attach this appender to their
- * {@link org.apache.log4j.Logger} to have it generate UST events from logging
- * events received through the logger.
- *
- * It sends its events to UST via the JNI library "liblttng-ust-log4j-jni.so".
- * Make sure this library is available before using this appender.
- *
- * @author Alexandre Montplaisir
- * @author Christian Babeux
- */
-public class LttngLogAppender extends AppenderSkeleton implements ILttngHandler {
-
-       private static final String SHARED_OBJECT_NAME = "lttng-ust-log4j-jni";
-
-       private final AtomicLong eventCount = new AtomicLong(0);
-
-       private final ILttngAgent<LttngLogAppender> agent;
-
-
-       /**
-        * Constructor
-        *
-        * @throws IOException
-        *             This handler requires the lttng-ust-log4j-jni.so native
-        *             library, through which it will send the trace events. This
-        *             exception is throw is this library cannot be found.
-        * @throws SecurityException
-        *             We will forward any SecurityExcepion that may be thrown when
-        *             trying to load the JNI library.
-        */
-       public LttngLogAppender() throws IOException, SecurityException {
-               super();
-               /* Initialize LTTng UST tracer. */
-               try {
-                       System.loadLibrary(SHARED_OBJECT_NAME); // $NON-NLS-1$
-               } catch (UnsatisfiedLinkError e) {
-                       throw new IOException(e);
-               }
-
-               /** Register to the relevant agent */
-               agent = LttngLog4jAgent.getInstance();
-               agent.registerHandler(this);
-       }
-
-       @Override
-       public synchronized void close() {
-               agent.unregisterHandler(this);
-       }
-
-       /**
-        * Get the number of events logged by this handler so far. This means the
-        * number of events actually sent through JNI to UST.
-        *
-        * @return The number of events logged so far
-        */
-       @Override
-       public long getEventCount() {
-               return eventCount.get();
-       }
-
-       @Override
-       public boolean requiresLayout() {
-               return false;
-       }
-
-       @Override
-       protected void append(LoggingEvent event) {
-               /*
-                * Check if the current message should be logged, according to the UST
-                * session settings.
-                */
-               if (!agent.isEventEnabled(event.getLoggerName())) {
-                       return;
-               }
-
-               /*
-                * The line number returned from LocationInformation is a string. At
-                * least try to convert to a proper int.
-                */
-               int line;
-               try {
-                       String lineString = event.getLocationInformation().getLineNumber();
-                       line = Integer.parseInt(lineString);
-               } catch (NumberFormatException n) {
-                       line = -1;
-               }
-
-               /* Retrieve all the requested context information we can find */
-               Collection<Entry<String, Map<String, Integer>>> enabledContexts = agent.getEnabledAppContexts();
-               ContextInfoSerializer.SerializedContexts contextInfo = ContextInfoSerializer.queryAndSerializeRequestedContexts(enabledContexts);
-
-               eventCount.incrementAndGet();
-
-               LttngLog4jApi.tracepointWithContext(event.getRenderedMessage(),
-                               event.getLoggerName(),
-                               event.getLocationInformation().getClassName(),
-                               event.getLocationInformation().getMethodName(),
-                               event.getLocationInformation().getFileName(),
-                               line,
-                               event.getTimeStamp(),
-                               event.getLevel().toInt(),
-                               event.getThreadName(),
-                               contextInfo.getEntriesArray(),
-                               contextInfo.getStringsArray());
-       }
-
-}