roledaoimpl.java

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package jaoso.framework.dao.hibernate;

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

import jaoso.framework.domain.Account;
import jaoso.framework.domain.Right;
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;

import java.util.Iterator;
import java.util.Set;

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

	/** baseDAO */
	private BaseDAO baseDAO;

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

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

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

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

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

		return flage;
	}

	/**
	 * (non-Javadoc)
	 * 
	 * @see jaoso.framework.baseDAO.RoleDAO#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 {
			/*
			 * Role group = getGroupByDesc(name); flage = (group != null) &&
			 * !group.getId() .equals(id);
			 */
			flage = ((Integer) baseDAO
					.findEntity("select count(*) from Role a where a.desc='"
							+ name + "' and a.id<>'" + id + "'")[0]).intValue() > 0;
		} catch (DAOException e) {
			log.error("Role isExist error: ", e);
		}

		return flage;
	}

	/**
	 * (non-Javadoc)
	 * 
	 * @see jaoso.framework.baseDAO.RoleDAO#getGroup(java.io.Serializable)
	 */
	public final Role getGroup(final Serializable id) {
		return (Role) baseDAO.loadEntity(Role.class, id);
	}

	/**
	 * (non-Javadoc)
	 * 
	 * @see jaoso.framework.baseDAO.RoleDAO#getGroupByName(java.lang.String)
	 */
	public final Role getGroupByDesc(final String name) {
		if (MyUtils.isBlank(name)) {
			return null;
		}

		Role[] groups = findGroup("from Role a where a.desc='" + name
				+ "' order by a.desc");

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

		return groups[0];
	}

	/**
	 * (non-Javadoc)
	 * 
	 * @see jaoso.framework.baseDAO.RoleDAO#createGroup(jaoso.framework.domain.Role)
	 */
	public final void createGroup(final Role group) {
		baseDAO.saveEntity(group);
	}

	/**
	 * (non-Javadoc)
	 * 
	 * @see jaoso.framework.baseDAO.RoleDAO#findAllGroup()
	 */
	public final Role[] findAllGroup() {
		return (Role[]) findGroup("from Role a order by a.desc");
	}

	/**
	 * (non-Javadoc)
	 * 
	 * @see jaoso.framework.baseDAO.RoleDAO#findGroup(java.lang.String)
	 */
	public final Role[] findGroup(final String query) {
		MyQuery myquery = new MyQuery();
		myquery.setQueryString(query);

		return findGroup(myquery);
	}

	/**
	 * (non-Javadoc)
	 * 
	 * @see jaoso.framework.baseDAO.RoleDAO#findGroup(jaoso.framework.baseDAO.MyQuery)
	 */
	public final Role[] findGroup(final MyQuery query) {
		Object[] os = baseDAO.findEntity(query);

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

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

		return entitys;
	}

	/**
	 * (non-Javadoc)
	 * 
	 * @see jaoso.framework.baseDAO.RoleDAO#removeGroup(jaoso.framework.domain.Role)
	 */
	public final void removeGroup(final Role group) {
		Set accounts = group.getAccounts();
		Set rights = group.getRights();
		Account account;
		Right right;

		if ((accounts != null) && (accounts.size() > 0)) {
			for (Iterator i = accounts.iterator(); i.hasNext();) {
				account = (Account) i.next();
				account.setGroup(null);
				baseDAO.updateEntity(account);
			}

			group.setAccounts(null);
		}

		if ((rights != null) && (rights.size() > 0)) {
			for (Iterator i = rights.iterator(); i.hasNext();) {
				right = (Right) i.next();
				right.getGroups().remove(group);
				baseDAO.updateEntity(right);
			}

			group.setRights(null);
		}

		baseDAO.removeEntity(group);
	}

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

		removeGroup(getGroup(id));
	}

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

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

	/**
	 * (non-Javadoc)
	 * 
	 * @see jaoso.framework.baseDAO.RoleDAO#updateGroup(jaoso.framework.domain.Role)
	 */
	public final void updateGroup(final Role group) {
		baseDAO.updateEntity(group);
	}
}