JEAF Validation API Project
· JEAF Validation API contains a set of classes that provide a common abstraction for topics that are connected with validation. It is not a replacement of Java Bean Validation (JSR 303) but rather a simplified facade e.g. can be used in code that is generated by JEAF Generator.
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 jeaf-validation-api-project-1.8.0.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.