adminsbean.java

基于strurs架构+servlet+jsp+javabean架构科研管理系统

/*
 * Created on 2008-6-9
 *
 * TODO To change the template for this generated file go to
 * Window - Preferences - Java - Code Style - Code Templates
 */
package cn.edu.zucc.research.ejb.session.admin;

import java.rmi.RemoteException;
import java.sql.Connection;
import java.sql.Statement;
import java.util.*;

import javax.ejb.CreateException;
import javax.ejb.FinderException;
import javax.ejb.RemoveException;
import javax.ejb.SessionBean;
import javax.naming.InitialContext;
import javax.naming.NamingException;

import cn.edu.zucc.research.ejb.cmp.admin.*;
import cn.edu.zucc.research.exception.ResearchException;
import cn.edu.zucc.research.model.AdminLogin;

/**
 *
 * <!-- begin-user-doc --> A generated session bean <!-- end-user-doc --> *
 <!-- lomboz.beginDefinition -->
 <?xml version="1.0" encoding="UTF-8"?>
 <lomboz:EJB xmlns:j2ee="http://java.sun.com/xml/ns/j2ee" xmlns:lomboz="http://lomboz.objectlearn.com/xml/lomboz">
 <lomboz:session>
 <lomboz:sessionEjb>
 <j2ee:display-name>AdminS</j2ee:display-name>
 <j2ee:ejb-name>AdminSEjb</j2ee:ejb-name>
 <j2ee:ejb-class>cn.edu.zucc.research.ejb.session.admin.AdminSBean</j2ee:ejb-class>
 <j2ee:session-type>Stateless</j2ee:session-type>
 <j2ee:transaction-type>Container</j2ee:transaction-type>
 </lomboz:sessionEjb>
 </lomboz:session>
 </lomboz:EJB>
 <!-- lomboz.endDefinition -->
 *
 * <!-- begin-xdoclet-definition --> 
 * @ejb.bean name="AdminS"	
 *           jndi-name="AdminSEjb"
 *           type="Stateless" 
 *           transaction-type="Container"
 * 
 * <!-- end-xdoclet-definition --> 
 * @generated
 */
public abstract class AdminSBean implements javax.ejb.SessionBean{
    
    protected Connection conn = null;
    protected Statement st = null;
  
    private AdminHome getAdminHome() throws NamingException {
        return (AdminHome) getContext().lookup(AdminHome.JNDI_NAME);
    }

    private InitialContext getContext() throws NamingException {
        Hashtable props = new Hashtable();

        props.put(InitialContext.INITIAL_CONTEXT_FACTORY,
                "org.jnp.interfaces.NamingContextFactory");
        props.put(InitialContext.PROVIDER_URL, "jnp://127.0.0.1:1099");
        InitialContext initialContext = new InitialContext(props);
        return initialContext;
    }
    
    //把传输过来的数据封装成javaBean
    /**
	 * @ejb.interface-method
	 *	view-type="remote" 
	**/
    public AdminLogin bean(String adminId, String adminName, String adminPass,String adminLevel,
            String newPwd ,String checkPwd ){
        AdminLogin admin = new AdminLogin();
        admin.setAdminId(adminId);
        admin.setAdminName(adminName);
        admin.setAdminPass(adminPass);
        admin.setAdminLevel(adminLevel);
        admin.setNewPwd(newPwd);
        admin.setCheckPwd(checkPwd);
        return admin;
   
    }
    
    //核对登入信息
    /**
	 * @throws ResearchException
     * @throws NamingException
     * @ejb.interface-method
	 *	view-type="remote" 
	**/
	public synchronized void checkAdmin(AdminLogin admin) throws ResearchException {
        try {
            Admin a = (Admin)this.getAdminHome().findByPrimaryKey(admin.getAdminId());
            if(!admin.getAdminPass().equals(a.getAdminPass())){
                throw new ResearchException("Password  is wrong !");
            }
        }catch (NamingException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (RemoteException e1) {
            // TODO Auto-generated catch block
            e1.printStackTrace();
        } catch (FinderException e1) {
            throw new ResearchException(admin.getAdminId()+" is not exist!");
        }
	}
	
	//修改密码
	/**
	 * @throws ResearchException
     * @throws NamingException
     * @ejb.interface-method
	 *	view-type="remote" 
	**/
	public  synchronized void changePwd(AdminLogin admin) throws ResearchException {
	    try {
            Admin a = (Admin)this.getAdminHome().findByPrimaryKey(admin.getAdminId());
            if(admin.getAdminPass()==""||admin.getCheckPwd()==""||admin.getNewPwd()==""||
                    admin.getAdminPass()==null||admin.getCheckPwd()==null||admin.getNewPwd()==null){
                throw new ResearchException("some informations are null!");
            }
            if(!a.getAdminPass().equals(admin.getAdminPass())){
                throw new ResearchException("Old password is wrong!");
            }
		    if(!admin.getNewPwd().equals(admin.getCheckPwd())){
		        throw new ResearchException("Checked password  is wrong !");
		    }
		    a.setAdminPass(admin.getNewPwd());
	    } catch (RemoteException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (FinderException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (NamingException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
	}
	
	//显示管理员信息
	/**
     * @throws NamingException
     * @ejb.interface-method
	 *	view-type="remote" 
	**/
	public  synchronized List AdminList() {
	    try {
            Collection c = this.getAdminHome().findAll();
            Iterator i = c.iterator();  
            List adminList = new ArrayList();
	        while(i.hasNext()){  
	            Admin admin = (Admin)i.next(); 
	            AdminLogin a = new AdminLogin();
	            a.setAdminId(admin.getAdminId()); 
	            a.setAdminLevel(admin.getAdminLevel());
	            a.setAdminName(admin.getAdminName());
	            a.setAdminPass(admin.getAdminPass());
	            adminList.add(a);
	        }
	        return adminList;
        } catch (RemoteException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (FinderException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (NamingException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        return null;
	}
    
	//查找用户是否存在
	/**
     * @throws NamingException
     * @ejb.interface-method
	 *	view-type="remote" 
	**/
	public synchronized boolean adminExist(AdminLogin admin){
	    try {
            Admin a = (Admin)this.getAdminHome().findByPrimaryKey(admin.getAdminId());
        } catch (RemoteException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (FinderException e) {
            return false;
        } catch (NamingException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
	    return true;
	}
	
	//返回管理员信息
	/**
     * @throws NamingException
     * @ejb.interface-method
	 *	view-type="remote" 
	**/
	public  synchronized AdminLogin adminInfo(AdminLogin admin){
	    try {
            Admin ad = (Admin)this.getAdminHome().findByPrimaryKey(admin.getAdminId());
            AdminLogin a = new AdminLogin();
            a.setAdminId(ad.getAdminId()); 
            a.setAdminLevel(ad.getAdminLevel());
            a.setAdminName(ad.getAdminName());
            a.setAdminPass(ad.getAdminPass());
            return a;
        } catch (RemoteException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (FinderException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (NamingException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        return null;
	}
	//添加管理员信息
	/**
	 * @throws ResearchException
     * @throws NamingException
     * @ejb.interface-method
	 *	view-type="remote" 
	**/
	public  synchronized void adminAdd(AdminLogin admin)throws ResearchException {
	    try {
	        if(admin.getAdminId()==""||admin.getAdminLevel()==""||admin.getAdminName()==""||
	                admin.getAdminId()==null||admin.getAdminLevel()==null||admin.getAdminName()==null){
	            throw new ResearchException("some informations are null!");
	        }
            Admin newA = this.getAdminHome().create(admin.getAdminId(),admin.getAdminName(),
                    admin.getAdminId(),admin.getAdminLevel());
        } catch (RemoteException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (CreateException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (NamingException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } 
	}
	
	//修改管理员信息
	/**
     * @throws NamingException
     * @ejb.interface-method
	 *	view-type="remote" 
	**/
	public  synchronized void updateAdmin(AdminLogin admin){
	    try {
            Admin a = (Admin) this.getAdminHome().findByPrimaryKey(admin.getAdminId());
            a.setAdminName(admin.getAdminName());
            a.setAdminLevel(admin.getAdminLevel());
            a.setAdminPass(admin.getAdminPass());
        } catch (NamingException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (RemoteException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (FinderException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
	}
	
	//删除管理员信息
	/**
     * @throws NamingException
     * @ejb.interface-method
	 *	view-type="remote" 
	**/
	public  synchronized void deleteAdmin(AdminLogin admin){
	    try {
            Admin a = (Admin) this.getAdminHome().findByPrimaryKey(admin.getAdminId());
            a.remove();
        } catch (RemoteException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (FinderException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (NamingException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (RemoveException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
	}
	
	//批量删除管理员信息
	/**
     * @throws NamingException
     * @ejb.interface-method
	 *	view-type="remote" 
	**/
	public  synchronized void deleteMoreAdmin(AdminLogin admin[]){	    
	   for(int i=0;i<admin.length;i++){
	       try {
	           Admin a = (Admin) this.getAdminHome().findByPrimaryKey(admin[i].getAdminId());
               a.remove();
	       } catch (RemoteException e) {
	            // TODO Auto-generated catch block
	            e.printStackTrace();
	       } catch (FinderException e) {
	            // TODO Auto-generated catch block
	            e.printStackTrace();
	       } catch (NamingException e) {
	            // TODO Auto-generated catch block
	            e.printStackTrace();
	       } catch (RemoveException e) {
	            // TODO Auto-generated catch block
	            e.printStackTrace();
	       }
      }	    
   }
	
   //初始化密码
	/**
     * @throws NamingException
     * @ejb.interface-method
	 *	view-type="remote" 
	**/
	public  synchronized void initAdmin(AdminLogin admin){	  
	    try {
            Admin a = (Admin) this.getAdminHome().findByPrimaryKey(admin.getAdminId());
            a.setAdminPass(a.getAdminId());
        } catch (RemoteException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (FinderException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (NamingException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
	}
}