Java tutorial
/** * Copyright (c) 2001-2012 "Redbasin Networks, INC" [http://redbasin.org] * * This file is part of Redbasin OpenDocShare community project. * * Redbasin OpenDocShare 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 3 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package web; import dao.BaseDaoException; import dao.BaseDaoModel; import dao.CobrandSiteDao; import java.io.IOException; import java.util.HashMap; import java.util.List; import java.util.Map; import javax.servlet.ServletException; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.apache.commons.fileupload.DiskFileUpload; import org.apache.commons.fileupload.FileItem; import org.apache.commons.fileupload.FileUpload; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.springframework.web.servlet.ModelAndView; import org.springframework.web.servlet.mvc.Controller; import util.DbConstants; import util.DiaryAdmin; import util.GlobalConst; import util.RegexStrUtil; /** * * @author Smitha Gudur (smitha@redbasin.com) * @version $Revision: 1.1 $ */ public class AddsiteblobController extends BaseController implements Controller { /** Logger for this class and subclasses */ protected final Log logger = LogFactory.getLog(getClass()); // private volatile GlobalConst webConstants; /** * This method is called by the spring framework. The configuration * for this controller to be invoked is based on the pagetype and * is set in the urlMapping property in the spring config file. * * @param request the <code>HttpServletRequest</code> * @param response the <code>HttpServletResponse</code> * @throws ServletException * @throws IOException * @return ModelAndView this instance is returned to spring */ public synchronized ModelAndView handleRequest(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { try { ModelAndView m = super.handleRequest(request, response); } catch (Exception e) { return handleError("error in handleRequest", e); } outOfSession(request, response); if (!DiaryAdmin.isDiaryAdmin(login)) { return handleError("Cannot add site cobrand as login is not Admin."); } if (RegexStrUtil.isNull(login) || (loginInfo == null)) { return handleUserpageError("Login/loginInfo is null."); } // remember any request parameters have to be added thru the field list. // cannot use request.getParameter in this program. String vhostid = request.getParameter(DbConstants.VHOST_ID); if (RegexStrUtil.isNull(vhostid)) { return handleError("vhostid is null in AddsiteblobController"); } vhostid = RegexStrUtil.goodNameStr(vhostid); Integer blobtype = new Integer(request.getParameter(DbConstants.BLOBTYPE)); if (blobtype < GlobalConst.categoryMinSize || blobtype > GlobalConst.categoryMaxSize) { return handleUserpageError("category or blobtype is not appropriate type in AddsiteblobController"); } byte[] blob = null; String mtype = null; String btitle = null; int zoom = 100; List fileList = null; DiskFileUpload upload = null; try { boolean isMultipart = FileUpload.isMultipartContent(request); // Create a new file upload handler upload = new DiskFileUpload(); //upload.setSizeMax((long)10000000); //upload.setSizeMax(webConstants.getFileuploadsize()); upload.setSizeMax(GlobalConst.fileUploadSize); // Parse the request fileList = upload.parseRequest(request); } catch (Exception e) { return handleError("Exception occurred in uploading the photo file.", e); } long fieldsize = 0; for (int i = 0; i < fileList.size(); i++) { FileItem fileItem = (FileItem) fileList.get(i); if (!fileItem.isFormField()) { blob = fileItem.get(); mtype = fileItem.getContentType(); long maxSize = upload.getSizeMax(); fieldsize = fileItem.getSize(); } } boolean addBlob = true; if ((fieldsize <= 0) || (RegexStrUtil.isNull(mtype))) { addBlob = false; } String loginid = loginInfo.getValue(DbConstants.LOGIN_ID); if (getDaoMapper() == null) { return handleError("DaoMapper is null in AddsiteblobController"); } CobrandSiteDao cobrandSiteDao = (CobrandSiteDao) getDaoMapper().getDao(DbConstants.COBRAND_SITE); if (cobrandSiteDao == null) { return handleError("cobrandSiteDao is null for AddsiteblobController"); } String ftype = request.getParameter(DbConstants.TYPE); if (RegexStrUtil.isNull(ftype)) { return handleError("ftype is null for AddsiteblobController"); } if (!ftype.equals(DbConstants.COBRAND_HEADER) && !ftype.equals(DbConstants.COBRAND_FOOTER)) { return handleError("cobrand filetype is neither a header nor footer AddsiteblobController"); } if (vhostid.length() > GlobalConst.entryIdSize) { return handleError("vhostid.length() > WebConstants.entryIdSize,in AddsiteblobController"); } /** * If the blob information is provided by the user, add the blob */ String blobtypeStr = request.getParameter(DbConstants.BLOBTYPE); List sites = null; if (addBlob) { try { cobrandSiteDao.addCobrandStreamBlob(blob, vhostid, ftype, loginid, login); sites = cobrandSiteDao.getSites(DbConstants.READ_FROM_MASTER, login, loginid); } catch (BaseDaoException e) { return handleError("Exception occurred in addBlob() addSiteCobrandStream ", e); } } Map myModel = new HashMap(); String viewName = DbConstants.EDIT_SITE_COBRAND; myModel.put(DbConstants.COBRAND, sites); myModel.put(DbConstants.DIR_EXISTS, rbDirectoryExists); myModel.put(DbConstants.USER_PAGE, userpage); myModel.put(DbConstants.LOGIN_INFO, loginInfo); myModel.put(DbConstants.BUSINESS_EXISTS, isBizExists(login)); return new ModelAndView(viewName, "model", myModel); } /** * BaseDaoModel set by the spring framework. It maps the DAO implementation * to the pagetype. * * @param daoMapper set the BaseDaoModel instance */ public void setDaoMapper(BaseDaoModel daoMapper) { this.daoMapper = daoMapper; } /** * BaseDaoModel set by the spring framework. It maps the DAO implementation * to the pagetype. * * @return BaseDaoModel get the BaseDaoModel instance */ public BaseDaoModel getDaoMapper() { return daoMapper; } }