View Java Class Source Code in JAR file
- Download JD-GUI to open JAR file and explore Java source code file (.class .java)
- Click menu "File → Open File..." or just drag-and-drop the JAR file in the JD-GUI window log4j2-logstash-jsonevent-layout-3.1.2.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.
org.apache.logging.log4j.core.layout
├─ org.apache.logging.log4j.core.layout.LogstashJsonLayout.class - [JAR]