binarystoragebase.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/impl/BinaryStorageBase.java,v 1.4 2006/04/14 16:29:57 minhnn Exp $
 * $Author: minhnn $
 * $Revision: 1.4 $
 * $Date: 2006/04/14 16:29:57 $
 *
 * ====================================================================
 *
 * 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
 */
package com.mvnforum.impl;

import java.io.*;

import net.myvietnam.mvncore.service.BinaryStorage;
import net.myvietnam.mvncore.service.BinaryStorageHandle;
import net.myvietnam.mvncore.util.FileUtil;

public abstract class BinaryStorageBase implements BinaryStorage {

    public BinaryStorageHandle storeData(String category, String nameId, String fileName, byte[] data,
                                         int attachDataFileSize, int attachOption, int attachStatus, String contentType, String storageIP)
        throws IOException {

        return storeData(category, nameId, fileName, new ByteArrayInputStream(data, 0, attachDataFileSize),
                         attachDataFileSize, attachOption, attachStatus, contentType, storageIP);
    }

    public byte[] loadData(String category, String nameId, BinaryStorageHandle handle)
        throws IOException {

        InputStream inputStream = getInputStream(category, nameId, handle);
        return FileUtil.getBytes(inputStream);
    }

    public void updateData(String category, String nameId, BinaryStorageHandle handle)
        throws IOException {

        throw new RuntimeException("Not emplemented yet.");
    }
}