baseclass.java

jbuilder9+weblogic8+oracle9开发的客户管理系统。服务器端采用EJB技术。可以对公司雇员和客户进行管理。

package testejb;

import javax.naming.*;
import java.util.*;
import javax.rmi.PortableRemoteObject;
import java.io.*;
public class baseclass implements Serializable{
  private javax.naming.Context context;
  public baseclass() {
     initialize();
  }


  public void initialize() {

    try{
       context = getInitialContext();
        }
    catch (Exception e)
    {System.out.println("Unable to connect to WebLogic server");
     System.out.println("Please make sure that the server is running.");}
  }

  private Context getInitialContext() throws Exception {
   String url = "t3://localhost:7001";
   String user = null;
   String password = null;
   Properties properties = null;
   try {
     properties = new Properties();
     properties.put(Context.INITIAL_CONTEXT_FACTORY, "weblogic.jndi.WLInitialContextFactory");
     properties.put(Context.PROVIDER_URL, url);
     if (user != null) {
       properties.put(Context.SECURITY_PRINCIPAL, user);
       properties.put(Context.SECURITY_CREDENTIALS, password == null ? "" : password);
     }

     return new InitialContext(properties);
   }
   catch(Exception e) {

     throw e;
   }
 }


  public javax.naming.Context getContext() {
    return context;
  }

 public java.util.Vector getrestperm(Vector myperms,Vector totalperms)
 { Vector restperm=new Vector();
   for(int i=0;i<totalperms.size();i++)
   {
     allperm totalperm=(allperm)totalperms.elementAt(i);
     int j=Integer.parseInt(totalperm.getCode());
     if(myperms.elementAt(j)==null)
       {restperm.add(totalperm);}
    }
      return restperm;

 }

}