roledaoimpl.java

版本信息：Jaoso新闻文章发布系统 0.9.1beta1 原POPTEN新闻发布系统现更名为Jaoso,不兼容popten,目前不提供popten升级Jaoso的程序.

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 {

    //~ Static fields/initializers =============================================

    /**  log */
    private static Log log = LogFactory.getLog(RoleDAOImpl.class);

    //~ Instance fields ========================================================

    /**  baseDAO */
    private BaseDAO baseDAO;

    //~ Constructors ===========================================================

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

    //~ Methods ================================================================

    /**
     * @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);
    }
}