accountdaoimpl.java

Jaoso新闻文章发布系统 0.9.1final 程序架构: Struts+Spring+Hibernate 主要功能： ·新闻采用在线编辑器,可以象使用word一样编辑新闻,可简繁

package jaoso.framework.dao.hibernate;

import jaoso.framework.dao.AccountDAO;
import jaoso.framework.dao.BaseDAO;
import jaoso.framework.dao.MyQuery;

import jaoso.framework.domain.Account;
import jaoso.framework.domain.Role;

import jaoso.framework.exception.DAOException;

import jaoso.framework.util.MyUtils;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import java.io.Serializable;

/**
 * @author Administrator
 * @version 0.9.1
 * @since 2004-5-29 Account DAO, persistent Account.
 */
public class AccountDAOImpl implements AccountDAO {
	/** log */
	private static Log log = LogFactory.getLog(AccountDAOImpl.class);

	/** base dao */
	private BaseDAO baseDAO;

	/**
	 * Creates a new AccountDAOImpl object.
	 */
	public AccountDAOImpl() {
		super();
	}

	/**
	 * (non-Javadoc)
	 * 
	 * @see jaoso.framework.dao.AccountDAO#getAccount(java.io.Serializable)
	 */
	public final Account getAccount(final Serializable id) {
		return (Account) baseDAO.loadEntity(Account.class, id);
	}

	/**
	 * (non-Javadoc)
	 * 
	 * @see jaoso.framework.dao.AccountDAO#getAccountByName(java.lang.String)
	 */
	public final Account getAccountByName(final String name) {
		if (MyUtils.isBlank(name)) {
			return null;
		}

		Account[] accounts = findAccount("from Account a where a.name='" + name
				+ "' order by a.name");

		if (MyUtils.isBlank(accounts)) {
			return null;
		}

		return accounts[0];
	}

	/**
	 * @param dao
	 *            dao
	 */
	public final void setBaseDAO(final BaseDAO dao) {
		this.baseDAO = dao;
	}

	/**
	 * (non-Javadoc)
	 * 
	 * @see jaoso.framework.dao.AccountDAO#isExist(java.lang.String)
	 */
	public final boolean isExist(final String name) {
		boolean flage = false;

		if (MyUtils.isBlank(name)) {
			return flage;
		}

		try {
			//flage = getAccountByName(name) != null;
			flage = ((Integer) baseDAO
					.findEntity("select count(*) from Account a where a.name='"
							+ name + "'")[0]).intValue() > 0;
		} catch (DAOException e) {
			log.error("account isExist error: ", e);
		}

		return flage;
	}

	/**
	 * (non-Javadoc)
	 * 
	 * @see jaoso.framework.dao.AccountDAO#isExist(java.lang.String,
	 *      java.io.Serializable)
	 */
	public final boolean isExist(final String name, final Serializable id) {
		boolean flage = false;

		if (MyUtils.isBlank(name) || (id == null)) {
			return flage;
		}

		try {
			Account account = getAccountByName(name);
			flage = (account != null) && !account.getId().equals(id);
			flage = ((Integer) baseDAO
					.findEntity("select count(*) from Account a where a.name='"
							+ name + "' and a.id<>'" + id + "'")[0]).intValue() > 0;
		} catch (DAOException e) {
			log.error("account isExist error: ", e);
		}

		return flage;
	}

	/**
	 * (non-Javadoc)
	 * 
	 * @see jaoso.framework.dao.AccountDAO#createAccount(jaoso.framework.domain.Account)
	 */
	public final void createAccount(final Account account) {
		baseDAO.saveEntity(account);
	}

	/**
	 * (non-Javadoc)
	 * 
	 * @see jaoso.framework.dao.AccountDAO#findAccount(java.lang.String)
	 */
	public final Account[] findAccount(final String query) {
		MyQuery myquery = new MyQuery();
		myquery.setQueryString(query);

		return findAccount(myquery);
	}

	/**
	 * (non-Javadoc)
	 * 
	 * @see jaoso.framework.dao.AccountDAO#findAccount(jaoso.framework.dao.MyQuery)
	 */
	public final Account[] findAccount(final MyQuery query) {
		Object[] os = baseDAO.findEntity(query);

		if (MyUtils.isBlank(os)) {
			return null;
		}

		Account[] entitys = new Account[os.length];
		System.arraycopy(os, 0, entitys, 0, os.length);

		return entitys;
	}

	/**
	 * (non-Javadoc)
	 * 
	 * @see jaoso.framework.dao.AccountDAO#findAllAccount()
	 */
	public final Account[] findAllAccount() {
		return findAccount("from Account a order by a.name");
	}

	/**
	 * (non-Javadoc)
	 * 
	 * @see jaoso.framework.dao.AccountDAO#removeAccount(jaoso.framework.domain.Account)
	 */
	public final void removeAccount(final Account account) {
		if (account.getGroup() != null) {
			Role group = account.getGroup();
			group.getAccounts().remove(account);
			baseDAO.updateEntity(group);
			account.setGroup(null);
		}

		baseDAO.removeEntity(account);
	}

	/**
	 * (non-Javadoc)
	 * 
	 * @see jaoso.framework.dao.AccountDAO#removeAccount(java.io.Serializable)
	 */
	public final void removeAccount(final Serializable id) {
		if (id == null) {
			throw new DAOException("id can't be null");
		}

		removeAccount(getAccount(id));
	}

	/**
	 * (non-Javadoc)
	 * 
	 * @see jaoso.framework.dao.AccountDAO#removeAccount(java.io.Serializable[])
	 */
	public final void removeAccount(final Serializable[] ids) {
		if (ids == null) {
			throw new DAOException("id can't be null");
		}

		for (int i = 0, n = ids.length; i < n; i++) {
			removeAccount(getAccount(ids[i]));
		}
	}

	/**
	 * (non-Javadoc)
	 * 
	 * @see jaoso.framework.dao.AccountDAO#updateAccount(jaoso.framework.domain.Account)
	 */
	public final void updateAccount(final Account account) {
		baseDAO.updateEntity(account);
	}
}