Subversion Repositories bacoAlunos

package pt.estgp.estgweb.web;

import org.apache.commons.fileupload.FileItem;

import org.apache.commons.fileupload.FileUploadException;

import org.apache.commons.fileupload.disk.DiskFileItemFactory;

import org.apache.commons.fileupload.servlet.ServletFileUpload;

import org.apache.log4j.Logger;

import pt.estgp.estgweb.domain.views.CourseUnitView;

import pt.estgp.estgweb.services.ftpservices.FtpRequestForm;

import pt.estgp.estgweb.utils.*;

import pt.estgp.estgweb.utils.Globals;

import pt.estgp.estgweb.web.controllers.ApplicationController;

import pt.estgp.estgweb.web.utils.RequestUtils;

import pt.utl.ist.berserk.logic.serviceManager.IServiceManager;

import pt.utl.ist.berserk.logic.serviceManager.ServiceManager;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import java.io.File;

import java.io.InputStream;

import java.util.ArrayList;

import java.util.List;

/**

 * @author Jorge

 * @date 27/Fev/2009

 * @time 1:19:57

 */

public class FtpManager

{

    private static final 1.5.0/docs/api/java/util/logging/Logger.html">Logger logger = 1.5.0/docs/api/java/util/logging/Logger.html">Logger.getLogger(FtpManager.class);

    public static void checkIfAnyFilesToUploadFromRequest(ApplicationController messageBack, HttpServletRequest request, HttpServletResponse response)

    {

        1.5.0/docs/api/java/lang/String.html">String formUploadStyle = "display:none;";

        int maxMegas = pt.estgp.estgweb.utils.Globals.MAX_FILE_UPOLOAD_SIZE_MBYTES;

        try

        {

            // Check that we have a file upload request

            boolean isMultipart = ServletFileUpload.isMultipartContent(request);

            if (isMultipart)

            {

                // Create a factory for disk-based file items

                DiskFileItemFactory factory = new DiskFileItemFactory();

                // Set factory constraints

                factory.setSizeThreshold(maxMegas * 1024 * 1024);

                factory.setRepository(new 1.5.0/docs/api/java/io/File.html">File(Globals.TMP_DIR));

                // Create a new file upload handler

                ServletFileUpload upload = new ServletFileUpload(factory);

                // Set overall request size constraint

                upload.setSizeMax((maxMegas + 1) * 1024 * 1024);

                // Parse the request

                List<FileItem> items = upload.parseRequest(request);

                List<FileItem> items2import = new ArrayList<FileItem>();

                for (FileItem item : items)

                {

                    5+0%2Fdocs%2Fapi+InputStream">InputStream stream = item.getInputStream();

                    if (item.isFormField())

                    {

                        request.setAttribute(item.getFieldName(), new 1.5.0/docs/api/java/lang/String.html">String(item.getString().getBytes("ISO-8859-1")));

                    }

                    if (stream != null && item.getSize() > 0 && item.getName() != null)

                    {

                        items2import.add(item);

                    }

                    else if(stream != null && item.getName() != null)

                    {

                        1.5.0/docs/api/java/lang/String.html">String newFolder = (1.5.0/docs/api/java/lang/String.html">String) request.getAttribute("newFolder");

                        1.5.0/docs/api/java/lang/String.html">String deleteFile = (1.5.0/docs/api/java/lang/String.html">String) request.getAttribute("deleteFile");

                        1.5.0/docs/api/java/lang/String.html">String deleteFolder = (1.5.0/docs/api/java/lang/String.html">String) request.getAttribute("deleteFolder");

                        if((newFolder == null || newFolder.length() == 0) && (deleteFile == null || deleteFile.length() == 0) && (deleteFolder == null || deleteFolder.length() == 0))

                        {

                            logger.warn("ITEM:" + item.getName() + " not parameter and has ZERO BYTES will not import");

                            messageBack.addError(request,"errors.file.zero.bytes",item.getName());

                        }

                    }

                }

                1.5.0/docs/api/java/lang/String.html">String username = (1.5.0/docs/api/java/lang/String.html">String) request.getAttribute("username");

                1.5.0/docs/api/java/lang/String.html">String password = (1.5.0/docs/api/java/lang/String.html">String) request.getAttribute("password");

                1.5.0/docs/api/java/lang/String.html">String server = (1.5.0/docs/api/java/lang/String.html">String) request.getAttribute("server");

                1.5.0/docs/api/java/lang/String.html">String startPath = (1.5.0/docs/api/java/lang/String.html">String) request.getAttribute(DirWebProxy.FTP_ACTUAL_PATH_KEY);

                if (startPath == null)

                    startPath = (1.5.0/docs/api/java/lang/String.html">String) request.getAttribute(LayoutController.FTP_ACTUAL_PATH_KEY);

                1.5.0/docs/api/java/lang/String.html">String serverConfName = (1.5.0/docs/api/java/lang/String.html">String) request.getAttribute("serverConfName");

                1.5.0/docs/api/java/lang/String.html">String savePassword = (1.5.0/docs/api/java/lang/String.html">String) request.getAttribute("savePassword");

                1.5.0/docs/api/java/lang/String.html">String newFolder = (1.5.0/docs/api/java/lang/String.html">String) request.getAttribute("newFolder");

                1.5.0/docs/api/java/lang/String.html">String deleteFile = (1.5.0/docs/api/java/lang/String.html">String) request.getAttribute("deleteFile");

                1.5.0/docs/api/java/lang/String.html">String deleteFolder = (1.5.0/docs/api/java/lang/String.html">String) request.getAttribute("deleteFolder");

                if (items2import.size() > 0

                        ||

                        (newFolder != null && newFolder.trim().length() > 0)

                        ||

                        (deleteFile != null && deleteFile.trim().length() > 0)

                        ||

                        (deleteFolder != null && deleteFolder.trim().length() > 0))

                {

                    FtpRequestForm ftpRequestForm = new FtpRequestForm();

                    CourseUnitView courseUnitView = (CourseUnitView) request.getAttribute("CourseUnitView");

                    if(courseUnitView != null)

                        ftpRequestForm.setCourseUnitView(courseUnitView);

                    ftpRequestForm.setServerConfName(serverConfName);

                    ftpRequestForm.setUsername(username);

                    ftpRequestForm.setPassword(password);

                    if (savePassword != null && savePassword.trim().length() > 0)

                        ftpRequestForm.setSavePassword(true);

                    ftpRequestForm.setNewFolderName(newFolder);

                    ftpRequestForm.setFileToDelete(deleteFile);

                    ftpRequestForm.setFolderToDelete(deleteFolder);

                    ftpRequestForm.setServerUrl(server);

                    ftpRequestForm.setStartPath(startPath);

                    ftpRequestForm.setFilesToImport(items2import);

                    IServiceManager sm = ServiceManager.getInstance();

                    1.5.0/docs/api/java/lang/String.html">String[] names = new 1.5.0/docs/api/java/lang/String.html">String[]{};

                    5+0%2Fdocs%2Fapi+Object">Object[] args = new 5+0%2Fdocs%2Fapi+Object">Object[]{ftpRequestForm};

                    try

                    {

                        1.5.0/docs/api/java/lang/String.html">String result = (1.5.0/docs/api/java/lang/String.html">String) sm.execute(RequestUtils.getRequester(request, response), "FtpService", args, names);

                        if(result.indexOf("error") >= 0)

                            messageBack.addError(request, result);

                        else

                            messageBack.addMessage(request, result);

                    }

                    catch (1.5.0/docs/api/java/lang/Exception.html">Exception e)

                    {

                        response.sendError(500,e.toString());

                        return;

                    }

                    catch (1.5.0/docs/api/java/lang/Throwable.html">Throwable throwable)

                    {

                        logger.error(throwable,throwable);

                    }

                }

                else

                {

                    logger.info("Zero items to import");

                }

            }

        }

        catch (FileUploadException e)

        {

            formUploadStyle = "";

            messageBack.addError(request,"errors.file.too.long",""+maxMegas);

        }

        catch (1.5.0/docs/api/java/lang/Throwable.html">Throwable e)

        {

            logger.error(e,e);

        }

        request.setAttribute("formUploadStyle",formUploadStyle);

    }

}