usermanagerimpl.java

Spring2.0宝典

package org.yeeku.service.impl;

import java.util.List;

import org.springframework.dao.DataIntegrityViolationException;
import org.yeeku.dao.UserDAO;
import org.yeeku.model.User;
import org.yeeku.service.UserManager;


/**
 * Implementation of UserManager interface.</p>
 * 
 * <p>
 * <a href="UserManagerImpl.java.html"><i>View Source</i></a>
 * </p>
 *
 * @author <a href="mailto:[e-mail]">Matt Raible</a>
 */
public class UserManagerImpl extends BaseManager implements UserManager {
    private UserDAO userDAO;

    /**
     * Set the DAO for communication with the data layer.
     * @param userDAO
     */
    public void setUserDAO(UserDAO userDAO) {
        this.userDAO = userDAO;
    }

    /**
     * @see org.leecode.service.UserManager#getUser(java.lang.String)
     */
    public User getUser(String username) {
        return userDAO.getUser(username);
    }

    /**
     * @see org.leecode.service.UserManager#getUsers(org.leecode.model.User)
     */
    public List getUsers(User user) {
        return userDAO.getUsers(user);
    }

    /**
     * @see org.leecode.service.UserManager#saveUser(org.leecode.model.User)
     */
    public void saveUser(User user) throws Exception {
        try {
            userDAO.saveUser(user);
        } catch (DataIntegrityViolationException e) {
            throw new Exception("User '" + user.getUsername() + "' already exists!");
        }
    }

    /**
     * @see org.leecode.service.UserManager#removeUser(java.lang.String)
     */
    public void removeUser(String username) {
        userDAO.removeUser(username);
    }

	public boolean validateUser(User aUser) {
		User user = getUser(aUser.getUsername());
		if(user != null && user.getPassword().equals(aUser.getPassword()))
			return true;
		else
			return false;
	}
}