personnelaction.java

精通java核心技术》随书源代码

// ==================== Program Discription ==========================
// 程序名称：示例20-3 : PersonnelAction.java
// 程序目的：声明性授权
// ==============================================================
import java.io.*;
import java.security.*;
 
class PersonnelAction implements PrivilegedAction {
     public Object run() {
       AccessController.checkPermission(new PersonnelPermission("access"));
       System.out.println( "Subject has Personnel access\n");
       return new Integer(0);
     }
}