memberdaoimpljdbc.java

解觖java技术中后台无法上传数给的情况

/*
 * $Header: /cvsroot/mvnforum/mvnforum/src/com/mvnforum/db/jdbc/MemberDAOImplJDBC.java,v 1.48 2006/04/14 17:05:26 minhnn Exp $
 * $Author: minhnn $
 * $Revision: 1.48 $
 * $Date: 2006/04/14 17:05:26 $
 *
 * ====================================================================
 *
 * Copyright (C) 2002-2006 by MyVietnam.net
 *
 * All copyright notices regarding mvnForum MUST remain 
 * intact in the scripts and in the outputted HTML.
 * The "powered by" text/logo with a link back to
 * http://www.mvnForum.com and http://www.MyVietnam.net in 
 * the footer of the pages MUST remain visible when the pages
 * are viewed on the internet or intranet.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * Support can be obtained from support forums at:
 * http://www.mvnForum.com/mvnforum/index
 *
 * Correspondence and Marketing Questions can be sent to:
 * info at MyVietnam net
 *
 * @author: Minh Nguyen  
 * @author: Mai  Nguyen  
 */
package com.mvnforum.db.jdbc;

import java.sql.*;
import java.sql.Date;
import java.util.ArrayList;
import java.util.Collection;

import com.mvnforum.db.*;
import net.myvietnam.mvncore.db.DBUtils;
import net.myvietnam.mvncore.exception.*;
import net.myvietnam.mvncore.util.StringUtil;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

public class MemberDAOImplJDBC implements MemberDAO {

    private static Log log = LogFactory.getLog(MemberDAOImplJDBC.class);

    // this variable will support caching if cache for this class is needed
    private static boolean m_dirty = true;

    public MemberDAOImplJDBC() {
    }

    protected static boolean isDirty() {
        return m_dirty;
    }

    protected static void setDirty(boolean dirty) {
        m_dirty = dirty;
    }

    public void findByPrimaryKey(int memberID)
        throws ObjectNotFoundException, DatabaseException {

        Connection connection = null;
        PreparedStatement statement = null;
        ResultSet resultSet = null;
        StringBuffer sql = new StringBuffer(512);
        sql.append("SELECT MemberID");
        sql.append(" FROM " + TABLE_NAME);
        sql.append(" WHERE MemberID = ?");
        try {
            connection = DBUtils.getConnection();
            statement = connection.prepareStatement(sql.toString());
            statement.setInt(1, memberID);
            resultSet = statement.executeQuery();
            if (!resultSet.next()) {
                throw new ObjectNotFoundException("Cannot find the primary key (" + memberID + ") in table 'Member'.");
            }
        } catch(SQLException sqle) {
            log.error("Sql Execution Error!", sqle);
            throw new DatabaseException("Error executing SQL in MemberDAOImplJDBC.findByPrimaryKey.");
        } finally {
            DBUtils.closeResultSet(resultSet);
            DBUtils.closeStatement(statement);
            DBUtils.closeConnection(connection);
        }
    }

    public void findByPrimaryKey2(int memberID, String memberName)
        throws ObjectNotFoundException, DatabaseException {

        Connection connection = null;
        PreparedStatement statement = null;
        ResultSet resultSet = null;
        StringBuffer sql = new StringBuffer(512);
        sql.append("SELECT MemberID, MemberName");
        sql.append(" FROM " + TABLE_NAME);
        sql.append(" WHERE MemberID = ? AND MemberName = ?");
        try {
            connection = DBUtils.getConnection();
            statement = connection.prepareStatement(sql.toString());
            statement.setInt(1, memberID);
            statement.setString(2, memberName);
            resultSet = statement.executeQuery();
            if (!resultSet.next()) {
                throw new ObjectNotFoundException("Cannot find the primary key (" + memberID + "," + memberName + ") in table 'Member'.");
            }
        } catch(SQLException sqle) {
            log.error("Sql Execution Error!", sqle);
            throw new DatabaseException("Error executing SQL in MemberDAOImplJDBC.findByPrimaryKey2.");
        } finally {
            DBUtils.closeResultSet(resultSet);
            DBUtils.closeStatement(statement);
            DBUtils.closeConnection(connection);
        }
    }

    public void findByAlternateKey_MemberName(String memberName)
        throws ObjectNotFoundException, DatabaseException {

        Connection connection = null;
        PreparedStatement statement = null;
        ResultSet resultSet = null;
        StringBuffer sql = new StringBuffer(512);
        sql.append("SELECT MemberName");
        sql.append(" FROM " + TABLE_NAME);
        if ( (DBUtils.getDatabaseType() == DBUtils.DATABASE_ORACLE) ||
             (DBUtils.getDatabaseType() == DBUtils.DATABASE_SAPDB) ||
             (DBUtils.getDatabaseType() == DBUtils.DATABASE_POSTGRESQL) ) {
            sql.append(" WHERE lower(MemberName) = lower(?)");
        } else {
            sql.append(" WHERE MemberName = ?");
        }
        try {
            connection = DBUtils.getConnection();
            statement = connection.prepareStatement(sql.toString());
            statement.setString(1, memberName);
            resultSet = statement.executeQuery();
            if (!resultSet.next()) {
                throw new ObjectNotFoundException("Cannot find the alternate key [MemberName] (" + memberName + ") in table 'Member'.");
            }
        } catch(SQLException sqle) {
            log.error("Sql Execution Error!", sqle);
            throw new DatabaseException("Error executing SQL in MemberDAOImplJDBC.findByAlternateKey_MemberName.");
        } finally {
            DBUtils.closeResultSet(resultSet);
            DBUtils.closeStatement(statement);
            DBUtils.closeConnection(connection);
        }
    }

    public void findByAlternateKey_MemberEmail(String memberEmail)
        throws ObjectNotFoundException, DatabaseException {

        Connection connection = null;
        PreparedStatement statement = null;
        ResultSet resultSet = null;
        StringBuffer sql = new StringBuffer(512);
        sql.append("SELECT MemberEmail");
        sql.append(" FROM " + TABLE_NAME);
        if ( (DBUtils.getDatabaseType() == DBUtils.DATABASE_ORACLE) ||
             (DBUtils.getDatabaseType() == DBUtils.DATABASE_SAPDB) ||
             (DBUtils.getDatabaseType() == DBUtils.DATABASE_POSTGRESQL) ) {
            sql.append(" WHERE lower(MemberEmail) = lower(?)");
        } else {
            sql.append(" WHERE MemberEmail = ?");
        }
        try {
            connection = DBUtils.getConnection();
            statement = connection.prepareStatement(sql.toString());
            statement.setString(1, memberEmail);
            resultSet = statement.executeQuery();
            if (!resultSet.next()) {
                throw new ObjectNotFoundException("Cannot find the alternate key [MemberEmail] (" + memberEmail + ") in table 'Member'.");
            }
        } catch(SQLException sqle) {
            log.error("Sql Execution Error!", sqle);
            throw new DatabaseException("Error executing SQL in MemberDAOImplJDBC.findByAlternateKey_MemberEmail.");
        } finally {
            DBUtils.closeResultSet(resultSet);
            DBUtils.closeStatement(statement);
            DBUtils.closeConnection(connection);
        }
    }

    /**
     * Delete the user specified by memberID. Note that this method
     * will not fail it the given id does not exists.
     *
     * @param memberID an <code>int</code> value
     * @exception DatabaseException if an error occurs
     */
    public void deleteByPrimaryKey(int memberID) throws DatabaseException {

        Connection connection = null;
        PreparedStatement statement = null;
        ResultSet resultSet = null;
        StringBuffer sql = new StringBuffer(512);
        sql.append("DELETE");
        sql.append(" FROM " + TABLE_NAME);
        sql.append(" WHERE MemberID = ?");
        try {
            connection = DBUtils.getConnection();
            statement = connection.prepareStatement(sql.toString());
            statement.setInt(1, memberID);
            statement.executeUpdate();
        } catch(SQLException sqle) {
            log.error("Sql Execution Error!", sqle);
            throw new DatabaseException("Error executing SQL in MemberDAOImplJDBC.deleteByPrimaryKey.");
        } finally {
            DBUtils.closeResultSet(resultSet);
            DBUtils.closeStatement(statement);
            DBUtils.closeConnection(connection);
        }
    }

    /*
     * Included columns: MemberName, MemberPassword, MemberFirstEmail, MemberEmail, MemberEmailVisible,
     *                   MemberNameVisible, MemberFirstIP, MemberLastIP, MemberViewCount, MemberPostCount,
     *                   MemberCreationDate, MemberModifiedDate, MemberLastLogon, MemberOption, MemberStatus,