jsonrpc4j-jsonschema
· This module is jackson-module-jsonschema wrapper for the creation of api document (like JSON-Schema) from POJO of jsonrpc4j service classes.
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 jsonrpc4j-jsonSchema-0.3.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.