flexgradingservice.java

21天学通java的示例程序源代码

	package com.wrox.rmi.flex;
	
	import java.rmi.Naming;
	import java.rmi.RemoteException;
	import java.rmi.RMISecurityManager;
	import java.rmi.server.UnicastRemoteObject;
	
	public class FlexGradingService extends UnicastRemoteObject implements FlexSchoolGrades {
	
       static int subjectGrades[];
       static {
           subjectGrades = new int[3];
           subjectGrades[0] = 10;
           subjectGrades[1] = 1;
           subjectGrades[2] = 3;
       } 

	public FlexGradingService() throws RemoteException {
		super();
	}
	
     public int getAverageGrade(GradeScheme customScheme) {
          System.out.println("GradingService: computing average grade using " 
                   + customScheme.getClass().getName());
          return (customScheme.computeAverage(subjectGrades));
          }
	    
          public static void main(String args[]) {
		if (System.getSecurityManager() == null) {
		    System.setSecurityManager(new RMISecurityManager());
		}
	     
		try {
    
                 FlexGradingService gService = new FlexGradingService();

		    Naming.rebind("/FlexGradingService", gService);
	
		    System.out.println("FlexGradingService bound in registry");
		} catch (Exception e) {
		    System.out.println("FlexGradingService err: " + e.getMessage());
		    e.printStackTrace();
		}
	    }
	}