Java tutorial
/* * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. * Copyright (c) 2013, MPL CodeInside http://codeinside.ru */ package ru.codeinside.gses.webui.manager; import au.com.bytecode.opencsv.CSVReader; import com.vaadin.ui.Table; import com.vaadin.ui.Upload; import com.vaadin.ui.Window; import org.tepi.filtertable.FilterTable; import ru.codeinside.adm.AdminServiceProvider; import ru.codeinside.gses.beans.DirectoryBeanProvider; import ru.codeinside.gses.webui.Flash; import java.io.*; import java.util.Arrays; public class UploadDirectory implements Upload.Receiver, Upload.FinishedListener { private static final long serialVersionUID = 11323324231L; byte[] csvData; final FilterTable directoryTable; final Table dirMapTable; public UploadDirectory(FilterTable directoryTable, Table dirMapTable) { this.directoryTable = directoryTable; this.dirMapTable = dirMapTable; } @Override public OutputStream receiveUpload(String filename, String mimeType) { return new ByteArrayOutputStream() { @Override public void close() throws IOException { csvData = Arrays.copyOf(buf, count); } }; } @Override public void uploadFinished(Upload.FinishedEvent finishedEvent) { CSVReader csvReader = null; try { csvReader = new CSVReader(new InputStreamReader(new ByteArrayInputStream(csvData))); String[] record; while ((record = csvReader.readNext()) != null) { if (record.length != 3) { finishedEvent.getUpload().getWindow().showNotification( " csv ? ','", Window.Notification.TYPE_ERROR_MESSAGE); return; } String dirName = record[0].trim(); DirectoryBeanProvider.get().create(dirName); AdminServiceProvider.get().createLog(Flash.getActor(), "Directory", dirName, "create", "Upload create", true); String key = record[1].trim(); String value = record[2].trim(); DirectoryBeanProvider.get().add(dirName, key, value); AdminServiceProvider.get().createLog(Flash.getActor(), "Directory value", dirName, "add", "key => ".concat(key).concat("value =>").concat(value), true); } } catch (Exception e) { e.printStackTrace(); return; } finally { if (csvReader != null) { try { csvReader.close(); } catch (IOException e) { e.printStackTrace(); } } } ManagerWorkplace.refreshDirectoryTable(directoryTable); Object rowId = directoryTable.getValue(); if (rowId != null) { final String dirName = (String) directoryTable.getContainerProperty(rowId, "name").getValue(); ManagerWorkplace.reloadMap(dirName, dirMapTable); } } }