facademanagerimpl.java

Spring2.0宝典

package org.yeeku.service.impl;

import java.util.List;

import org.springframework.dao.DataIntegrityViolationException;
import org.yeeku.dao.CategoryDAO;
import org.yeeku.dao.NewsDAO;
import org.yeeku.dao.NewsReviewDAO;
import org.yeeku.dao.UserDAO;
import org.yeeku.model.Category;
import org.yeeku.model.News;
import org.yeeku.model.NewsReview;
import org.yeeku.model.User;
import org.yeeku.service.CategoryManager;

public class FacadeManagerImpl extends BaseManager implements
		CategoryManager {
	private CategoryDAO categoryDAO;

	private NewsDAO newsDAO;

	private NewsReviewDAO newsReviewDAO;

	private UserDAO userDAO;

	public void setCategoryDAO(CategoryDAO categoryDAO) {
		this.categoryDAO = categoryDAO;
	}

	public Category getCategory(String id) {
		return categoryDAO.getCategory(Long.valueOf(id));
	}

	public void saveCategory(Category category) {
		categoryDAO.saveCategory(category);
	}

	public void removeCategory(String id) {
		categoryDAO.removeCategory(Long.valueOf(id));
	}

	public List getCategories() {
		return categoryDAO.getCategories();
	}

	public void setNewsDAO(NewsDAO newsDAO) {
		this.newsDAO = newsDAO;
	}

	public News getNews(String id) {
		return newsDAO.getNews(Long.valueOf(id));
	}

	public void saveNews(News news) {
		newsDAO.saveNews(news);
	}

	public void removeNews(String id) {
		newsDAO.removeNews(Long.valueOf(id));
	}

	public void setNewsReviewDAO(NewsReviewDAO newsReviewDAO) {
		this.newsReviewDAO = newsReviewDAO;
	}

	public NewsReview getNewsReview(String id) {
		return newsReviewDAO.getNewsReview(Long.valueOf(id));
	}

	public void saveNewsReview(NewsReview newsReview) {
		newsReviewDAO.saveNewsReview(newsReview);
	}

	public void removeNewsReview(String id) {
		newsReviewDAO.removeNewsReview(Long.valueOf(id));
	}

	public void setUserDAO(UserDAO userDAO) {
		this.userDAO = userDAO;
	}

	public User getUser(String username) {
		return userDAO.getUser(username);
	}

	public List getUsers(User user) {
		return userDAO.getUsers(user);
	}

	public void saveUser(User user) throws Exception {
		try {
			userDAO.saveUser(user);
		} catch (DataIntegrityViolationException e) {
			throw new Exception("User '" + user.getUsername()
					+ "' already exists!");
		}
	}

	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;
	}
}