Research and Implementation of J2EE-based Resource Access Decision Services
基于J2EE的访问决定服务的研究与实现*

The paper proposes the model of J2EE-based Resource Access Decision Services JRADS according to the comprehensive application of J2EE in the distributed environment. It separates the authority logic of application level from the application logic so that to solve the access control problem of distributed application sources better. First, the paper shows the interface between application systems and jRADS. Then it designs the logic components of JRADS. Next, it designs the main functional elements, supervisory elements and their corresponding assistant components. Finally, the paper realizes the interface and its method of the JRADS model. It has obtained the anticipatory effects by deployment and application in the basic condition platform of national science and technology.