photomgr.java

云网论坛CWBBS 源码,内容丰富,学习,参考,教学的好资料,具体见内说明,

package cn.js.fan.module.photo;

import javax.servlet.ServletContext;
import javax.servlet.http.HttpServletRequest;

import cn.js.fan.cache.jcs.RMCache;
import cn.js.fan.util.ErrMsgException;
import org.apache.log4j.Logger;

public class PhotoMgr {
    Logger logger = Logger.getLogger(PhotoMgr.class.getName());
    RMCache rmCache;

    public PhotoMgr() {
        rmCache = RMCache.getInstance();
    }

    public boolean add(ServletContext application, HttpServletRequest request) throws
            ErrMsgException {
        PhotoForm lf = new PhotoForm();
        lf.checkAdd(application, request);
        userName = lf.getUserName();

        PhotoDb ld = new PhotoDb();
        ld.setTitle(lf.getTitle());
        ld.setKind(lf.getKind());
        ld.setUserName(lf.getUserName());
        boolean re = ld.create(lf.fileUpload);
        return re;
    }

    public boolean del(ServletContext application, HttpServletRequest request) throws ErrMsgException {
        PhotoForm lf = new PhotoForm();
        lf.checkDel(request);

        PhotoDb ld = new PhotoDb();
        ld = ld.getPhotoDb(lf.getId());
        boolean re = ld.del(application.getRealPath("/"));
        return re;
    }

    public boolean move(HttpServletRequest request) throws ErrMsgException {
        PhotoForm lf = new PhotoForm();
        lf.checkMove(request);

        PhotoDb ld = new PhotoDb();
        ld = ld.getPhotoDb(lf.getId());
        boolean re = ld.move(lf.getDirection());
        return re;
    }

    public boolean modify(ServletContext application, HttpServletRequest request) throws ErrMsgException {
        PhotoForm lf = new PhotoForm();
        lf.checkModify(application, request);
        userName = lf.getUserName();

        PhotoDb ld = new PhotoDb();
        ld = ld.getPhotoDb(lf.getId());
        ld.setTitle(lf.getTitle());
        ld.setKind(lf.getKind());
        ld.setUserName(lf.getUserName());

        boolean re = ld.save(lf.getFileUpload());
        return re;
    }

    public PhotoDb getPhotoDb(int id) {
        PhotoDb ld = new PhotoDb();
        return ld.getPhotoDb(id);
    }

    public void setUserName(String userName) {
        this.userName = userName;
    }

    public String getUserName() {
        return userName;
    }

    private String userName;

}