?? photosaver.java
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/*
* PhotoSaver.java
*
* 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
* (at your option) 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 Library 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.
*
* Author: Winter Lau (javayou@gmail.com)
* http://dlog4j.sourceforge.net
*
*/
package com.liusoft.dlog4j.photo;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import org.apache.struts.upload.FormFile;
import com.liusoft.dlog4j.HttpContext;
/**
* 用于保存上傳后的圖片的接口
* @author Winter Lau
*/
public interface PhotoSaver {
public final static int PREVIEW_WIDTH = 75;
public final static int PREVIEW_HEIGHT = 75;
public final static int MAX_WIDTH = 1024;
public final static int MAX_HEIGHT = 768;
public final static String KEY_PHOTO_SAVE_PATH = "photo_base_path";
public final static String KEY_PHOTO_SAVE_URI = "photo_base_uri";
/**
* 保存照片
* @param context
* @param imgForm
* @param autoRotate
* @return
* @throws IOException
*/
public Photo save(HttpContext context, FormFile imgForm, boolean autoRotate) throws IOException;
/**
* 刪除照片
* @param context
* @param imgURL
* @return
* @throws IOException
*/
public boolean delete(HttpContext context, String imgURL) throws IOException;
/**
* 讀取照片文件流
* @param imgURL
* @return
* @throws IOException
*/
public InputStream read(HttpContext ctx, String imgURL) throws IOException;
/**
* 準備寫入照片文件
* @param imgURL
* @return
* @throws IOException
*/
public OutputStream write(HttpContext ctx, String imgURL) throws IOException;
}
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