accountdaoimpl.java

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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 {

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

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

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

    /**  base dao */
    private BaseDAO baseDAO;

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

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

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

    /** (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);
    }
}