documentmgr.java

来自「一个用java编写的功能强大的OA系统」· Java 代码 · 共 324 行

package com.redmoon.oa.netdisk;

import java.io.*;

import javax.servlet.*;
import javax.servlet.http.*;

import cn.js.fan.base.*;
import cn.js.fan.util.*;
import cn.js.fan.web.*;
import org.apache.log4j.*;
import com.redmoon.oa.pvg.Privilege;
import com.redmoon.kit.util.FileUpload;

public class DocumentMgr {
    Logger logger = Logger.getLogger(DocumentMgr.class.getName());

    public DocumentMgr() {
    }

    public Document getDocument(int id) {
        Document doc = new Document();
        return doc.getDocument(id);
    }

    public Document getDocument(HttpServletRequest request, int id,
                                IPrivilege privilege) throws
            ErrMsgException {
        boolean isValid = false;
        Document doc = getDocument(id);
        LeafPriv lp = new LeafPriv(doc.getDirCode());
        if (lp.canUserSee(privilege.getUser(request))) {
            return doc;
        }

        if (!isValid)
            throw new ErrMsgException(Privilege.MSG_INVALID);
        return getDocument(id);
    }

    
    public Document getDocumentByCode(HttpServletRequest request, String code,
                                      IPrivilege privilege) throws
            ErrMsgException {
        boolean isValid = false;

        LeafPriv lp = new LeafPriv(code);
        if (lp.canUserSee(privilege.getUser(request)))
            isValid = true;

        if (!isValid)
            throw new ErrMsgException(Privilege.MSG_INVALID);
        Document doc = new Document();
        int id = doc.getIDOrCreateByCode(code, privilege.getUser(request));
        return getDocument(id);
    }

    public CMSMultiFileUploadBean doUpload(ServletContext application, HttpServletRequest request) throws
            ErrMsgException {
        CMSMultiFileUploadBean mfu = new CMSMultiFileUploadBean();
        mfu.setMaxFileSize(Global.FileSize); 
        
        com.redmoon.oa.Config cfg = new com.redmoon.oa.Config();
        String exts = cfg.get("netdisk_ext").replaceAll("，", ",");
        String[] ext = StrUtil.split(exts, ",");
        if (ext!=null)
            mfu.setValidExtname(ext);

        int ret = 0;
        
        try {
            ret = mfu.doUpload(application, request);
            if (ret == -3) {
                throw new ErrMsgException(mfu.getErrMessage());
            }
            if (ret == -4) {
                throw new ErrMsgException(mfu.getErrMessage());
            }
        } catch (IOException e) {
            logger.error("doUpload:" + e.getMessage());
            throw new ErrMsgException(e.getMessage());
        }
        return mfu;
    }

    public boolean delAttachment(HttpServletRequest request) throws
            ErrMsgException {
        int doc_id = ParamUtil.getInt(request, "doc_id");
        int attach_id = ParamUtil.getInt(request, "attach_id");
        int page_num = ParamUtil.getInt(request, "page_num");
        Document doc = new Document();
        doc = doc.getDocument(doc_id);
        LeafPriv lp = new LeafPriv(doc.getDirCode());
        Privilege privilege = new Privilege();
        if (!lp.canUserDel(privilege.getUser(request))) {
            throw new ErrMsgException(SkinUtil.LoadString(request,
                    "pvg_invalid"));
        }
        DocContent dc = doc.getDocContent(page_num);
        boolean re = dc.delAttachment(attach_id);
        return re;
    }

    public boolean updateAttachmentName(HttpServletRequest request) throws ErrMsgException {
        int doc_id = ParamUtil.getInt(request, "doc_id");
        int attach_id = ParamUtil.getInt(request, "attach_id");
        int page_num = ParamUtil.getInt(request, "page_num");
        String newname = ParamUtil.get(request, "newname");
        Document doc = getDocument(doc_id);

        
        LeafPriv lp = new LeafPriv();
        lp.setDirCode(doc.getDirCode());

        Privilege privilege = new Privilege();
        if (!lp.canUserModify(privilege.getUser(request)))
            throw new ErrMsgException(SkinUtil.LoadString(request,
                    "pvg_invalid"));

        DocContent dc = doc.getDocContent(page_num);
        boolean re = dc.updateAttachmentName(attach_id, newname);
        return re;
    }

    public boolean Operate(ServletContext application,
                           HttpServletRequest request, IPrivilege privilege) throws
            ErrMsgException {
        CMSMultiFileUploadBean mfu = doUpload(application, request);
        String op = StrUtil.getNullStr(mfu.getFieldValue("op"));
        String dir_code = StrUtil.getNullStr(mfu.getFieldValue("dir_code"));

        
        boolean isValid = false;
        LeafPriv lp = new LeafPriv(dir_code);
        if (lp.canUserAppend(privilege.getUser(request)))
            isValid = true;

        if (!isValid)
            throw new ErrMsgException(SkinUtil.LoadString(request, "pvg_invalid"));

        Document doc = new Document();
        if (op.equals("edit")) {
            String idstr = StrUtil.getNullString(mfu.getFieldValue("id"));
            if (!StrUtil.isNumeric(idstr))
                throw new ErrMsgException("标识id=" + idstr + "非法，必须为数字！");
            id = Integer.parseInt(idstr);
            doc = doc.getDocument(id);
            if (!lp.canUserAppend(privilege.getUser(request)))
                throw new ErrMsgException(SkinUtil.LoadString(request, "pvg_invalid"));
            boolean re = doc.Update(application, mfu);
            return re;
        }
        
       return false;
    }

    public boolean del(HttpServletRequest request, int id, IPrivilege privilege) throws
            ErrMsgException {
        boolean isValid = false;

        Document doc = new Document();
        doc = getDocument(id);
        LeafPriv lp = new LeafPriv(doc.getDirCode());
        if (lp.canUserDel(privilege.getUser(request)))
            return doc.del();

        if (!isValid)
            throw new ErrMsgException(Privilege.MSG_INVALID);

        return doc.del();
    }

    public boolean UpdateSummary(ServletContext application, HttpServletRequest request,
                                 IPrivilege privilege) throws
            ErrMsgException {

            CMSMultiFileUploadBean mfu = doUpload(application, request);
            int id = 0;
            try {
                id = Integer.parseInt(mfu.getFieldValue("id"));
            }
            catch (Exception e) {
                throw new ErrMsgException("id 非法！");
            }
            Document doc = new Document();
            doc = getDocument(id);

            LeafPriv lp = new LeafPriv(doc.getDirCode());
            if (!lp.canUserModify(privilege.getUser(request))) {
                throw new ErrMsgException(privilege.MSG_INVALID);
            }

            return doc.UpdateSummary(application, mfu);
    }

    public boolean increaseHit(HttpServletRequest request, int id,
                               IPrivilege privilege) throws
            ErrMsgException {
        Document doc = getDocument(id);
        boolean re = doc.increaseHit();
        return re;
    }

    public boolean UpdateIsHome(HttpServletRequest request, int id,
                                IPrivilege privilege) throws
            ErrMsgException {

        Document doc = new Document();
        String v = ParamUtil.get(request, "value");
        doc.setID(id);
        boolean re = doc.UpdateIsHome(v.equals("y") ? true : false);
        return re;

    }

    public boolean vote(HttpServletRequest request, int id) throws
            ErrMsgException {
        int votesel = ParamUtil.getInt(request, "votesel");

        Document doc = getDocument(id);
        boolean re = doc.vote(id, votesel);
        return re;
    }

    public boolean OperatePage(ServletContext application,
                           HttpServletRequest request, IPrivilege privilege) throws
            ErrMsgException {
        CMSMultiFileUploadBean mfu = doUpload(application, request);
        String op = StrUtil.getNullStr(mfu.getFieldValue("op"));
        String dir_code = StrUtil.getNullStr(mfu.getFieldValue("dir_code"));

        boolean isValid = false;

        LeafPriv lp = new LeafPriv();
        lp.setDirCode(dir_code);
        if (op.equals("add")) {
            if (lp.canUserAppend(privilege.getUser(request)))
                isValid = true;
        }
        if (op.equals("edit")) {
            if (lp.canUserModify(privilege.getUser(request)))
                isValid = true;
        }

        if (!isValid)
            throw new ErrMsgException(Privilege.MSG_INVALID);

        String strdoc_id = StrUtil.getNullStr(mfu.getFieldValue("id"));
        int doc_id = Integer.parseInt(strdoc_id);
        Document doc = new Document();
        doc = doc.getDocument(doc_id);

        

        if (op.equals("add")) {
            String content = StrUtil.getNullStr(mfu.getFieldValue(
                    "htmlcode"));
            return doc.AddContentPage(application, mfu, content);
        }

        if (op.equals("edit")) {
            
            return doc.EditContentPage(application, mfu);
        }

        return false;
    }

    public boolean uploadDocument(ServletContext application, HttpServletRequest request) throws ErrMsgException {
        FileUpload fu = new FileUpload();
        fu.setMaxFileSize(Global.FileSize); 

        com.redmoon.oa.Config cfg = new com.redmoon.oa.Config();
        String exts = cfg.get("netdisk_ext").replaceAll("，", ",");
        String[] ext = StrUtil.split(exts, ",");
        if (ext!=null)
            fu.setValidExtname(ext);

        int ret = 0;
        try {
            ret = fu.doUpload(application, request);
            if (ret != fu.RET_SUCCESS) {
                throw new ErrMsgException(fu.getErrMessage());
            }
        }
        catch (Exception e) {
            logger.error("uploadDocument:" + e.getMessage());
        }

        if (ret == fu.RET_SUCCESS) {
            String strId = fu.getFieldValue("id");
            String strAttachId = fu.getFieldValue("attachId");

            if (!StrUtil.isNumeric(strId))
                throw new ErrMsgException("id 必须为数字");
            if (!StrUtil.isNumeric(strAttachId))
                throw new ErrMsgException("attachId 必须为数字");

            Document doc = new Document();
            doc = doc.getDocument(StrUtil.toInt(strId));
            if (doc==null || !doc.isLoaded()) {
                throw new ErrMsgException("文件不存在！");
            }
            Attachment att = doc.getAttachment(1, StrUtil.toInt(strAttachId));
            LeafPriv lp = new LeafPriv(att.getDirCode());
            Privilege privilege = new Privilege();
            if (!lp.canUserModify(privilege.getUser(request))) {
                throw new ErrMsgException(SkinUtil.LoadString(request,
                        "pvg_invalid"));
            }
            com.redmoon.kit.util.FileInfo fi = (com.redmoon.kit.util.FileInfo)(fu.getFiles().get(0));
            return fi.write(Global.getRealPath() + att.getVisualPath() + "/", att.getDiskName());
        }
        else
            return false;
    }

    public int getId() {
        return id;
    }

    private int id;
}