checkuserloginmgrbean.java

《精通SOA：基于服务总线的Struts+EJB+Web Service整合应用开发》原书的实例代码

package com.sample.ejb.sessionbean;

import java.rmi.RemoteException;
import java.util.Collection;
import java.util.Iterator;

import javax.ejb.FinderException;
import javax.ejb.SessionBean;
import javax.naming.NamingException;

import com.sample.cmp.user.UserLocal;
import com.sample.cmp.user.UserLocalHome;
import com.sample.cmp.user.UserUtil;
import com.sample.exception.ApplicationException;

/**
 *
 * <!-- 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>CheckUserLoginMgr</j2ee:display-name>
 <j2ee:ejb-name>CheckUserLoginMgr</j2ee:ejb-name>
 <j2ee:ejb-class>com.sample.ejb.sessionbean.CheckUserLoginMgrBean</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="CheckUserLoginMgr"	
 *           jndi-name="CheckUserLoginMgr"
 *           type="Stateless" 
 *           transaction-type="Container"
 * 
 * <!-- end-xdoclet-definition --> 
 * @generated
 */
public abstract class CheckUserLoginMgrBean implements javax.ejb.SessionBean {
	
	/**
	 * @throws NamingException 
	 * @throws FinderException 
	 * @throws RemoteException 
	 * @ejb.interface-method
	 *	view-type="remote" 
	**/
	public boolean checkUserLogin(String loginName, String password) throws ApplicationException, NamingException, FinderException, RemoteException{ 
		
		UserLocalHome userLocalHome = UserUtil.getLocalHome();
		
		Collection c = userLocalHome.findByLoginName(loginName);
		
		if(c.size()==0)
			throw new ApplicationException("noSuchLoginName");
		
		Iterator it = c.iterator();
		
		UserLocal user = (UserLocal) it.next();
		
		if(user.getPassword().equals(password))
			return true;
		else
		{
			throw new ApplicationException("loginNameNotMatched");
		}
		

	}
	
	

}