Add a Log4j 2.x Java agent

[lttng-ust.git] / doc / examples / java-log4j2-prog / run

diff --git a/doc/examples/java-log4j2-prog/run b/doc/examples/java-log4j2-prog/run
new file mode 100755 (executable)
index 0000000..8f4e81d
--- /dev/null
+++ b/doc/examples/java-log4j2-prog/run
@@ -0,0 +1,38 @@
+#!/bin/bash
+#
+# SPDX-License-Identifier: MIT
+
+#
+# The -cp path should be changed to the lttng ust agent jar file on your system
+# or locally to the project. Same goes for the Java library path in order to
+# find the JNI Log4j library.
+#
+
+DIR=$(dirname "$0")
+JARFILE_COMMON="lttng-ust-agent-common.jar"
+JARFILE_LOG4J2="lttng-ust-agent-log4j2.jar"
+JAVA_OPTIONS=""
+
+# If system classpath is empty, try to guess log4j location
+if [ "x$CLASSPATH" = "x" ]; then
+       CLASSPATH="/usr/local/share/java/log4j.jar:/usr/share/java/log4j.jar"
+fi
+
+cd "$DIR" || exit 1
+
+if [ -f "$DIR/.intree" ]; then
+       CLASSPATH="$CLASSPATH:../../../src/lib/lttng-ust-java-agent/java/lttng-ust-agent-common/$JARFILE_COMMON"
+       CLASSPATH="$CLASSPATH:../../../src/lib/lttng-ust-java-agent/java/lttng-ust-agent-log4j2/$JARFILE_LOG4J2"
+       LIBPATH="../../../src/lib/lttng-ust-java-agent/jni/log4j/.libs"
+else
+       CLASSPATH="$CLASSPATH:/usr/local/share/java/$JARFILE_COMMON:/usr/share/java/$JARFILE_COMMON"
+       CLASSPATH="$CLASSPATH:/usr/local/share/java/$JARFILE_LOG4J2:/usr/share/java/$JARFILE_LOG4J2"
+       # Use system defined java.library.path
+       #LIBPATH="/usr/local/lib:/usr/lib"
+fi
+
+if [ "x$LIBPATH" != "x" ]; then
+       JAVA_OPTIONS="$JAVA_OPTIONS -Djava.library.path=$LIBPATH"
+fi
+
+java -classpath "$CLASSPATH:." $JAVA_OPTIONS HelloLog4j2Prog