Java tutorial
/* * * Panbox - encryption for cloud storage * Copyright (C) 2014-2015 by Fraunhofer SIT and Sirrix AG * * This program 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/>. * * Additonally, third party code may be provided with notices and open source * licenses from communities and third parties that govern the use of those * portions, and any licenses granted hereunder do not alter any rights and * obligations you may have under such open source licenses, however, the * disclaimer of warranty and limitation of liability provisions of the GPLv3 * will apply to all the product. * */ package org.panbox.desktop.common.gui; import java.io.File; import java.io.IOException; import java.util.List; import javax.swing.DefaultComboBoxModel; import javax.swing.JFileChooser; import javax.swing.JOptionPane; import javax.swing.filechooser.FileView; import org.apache.commons.io.FilenameUtils; import org.apache.log4j.Logger; import org.panbox.OS; import org.panbox.Settings; import org.panbox.core.csp.ICSPAPIIntegration; import org.panbox.core.csp.Revision; import org.panbox.desktop.common.PanboxClient; /** * Created by Timo Nolle on 12.09.14. */ public class RestoreRevisionDialog extends javax.swing.JDialog { /** * */ private static final long serialVersionUID = 8511137183519416650L; private static final File PANBOX_DIR = new File(Settings.getInstance().getMountDir()); private final ICSPAPIIntegration apiInt; private final String shareName; private String filePath; private final PanboxClient client; private final static Logger logger = Logger.getLogger(RestoreRevisionDialog.class); private final static java.util.ResourceBundle bundle = java.util.ResourceBundle .getBundle("org/panbox/desktop/common/gui/Messages", Settings.getInstance().getLocale()); // NOI18N /** * Creates new form RestoreRevisionGui */ public RestoreRevisionDialog(PanboxClient client, ICSPAPIIntegration apiInt, String shareName) { initComponents(); this.client = client; this.apiInt = apiInt; this.shareName = shareName; } /** * Creates the gui for an already chosen file * * @param pathInsideShare */ public RestoreRevisionDialog(PanboxClient client, ICSPAPIIntegration apiInt, String shareName, String pathInsideShare) { initComponents(); this.client = client; this.apiInt = apiInt; this.shareName = shareName; // Preset the fields fileTextField.setText(File.separator + shareName + pathInsideShare); fillRevisionsForFileName(pathInsideShare); } /** * This method is called from within the constructor to initialize the form. * WARNING: Do NOT modify this code. The content of this method is always * regenerated by the Form Editor. */ // <editor-fold defaultstate="collapsed" // desc="Generated Code">//GEN-BEGIN:initComponents private void initComponents() { fileLabel = new javax.swing.JLabel(); revisionLabel = new javax.swing.JLabel(); fileTextField = new javax.swing.JTextField(); browseButton = new javax.swing.JButton(); cancelButton = new javax.swing.JButton(); restoreButton = new javax.swing.JButton(); revisionComboBox = new javax.swing.JComboBox<Revision>(); setDefaultCloseOperation(javax.swing.WindowConstants.DISPOSE_ON_CLOSE); setTitle(bundle.getString("client.restorerevisiondialog.title")); // NOI18N setAlwaysOnTop(true); setModal(true); setResizable(false); fileLabel.setText(bundle.getString("client.restorerevisiondialog.file")); // NOI18N revisionLabel.setText(bundle.getString("client.restorerevisiondialog.revisions")); // NOI18N fileTextField.setMinimumSize(new java.awt.Dimension(4, 24)); fileTextField.setPreferredSize(new java.awt.Dimension(70, 24)); fileTextField.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { fileTextFieldActionPerformed(evt); } }); browseButton.setText(bundle.getString("client.restorerevisiondialog.browsebutton")); // NOI18N browseButton.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { browseButtonActionPerformed(evt); } }); cancelButton.setText(bundle.getString("client.restorerevisiondialog.cancelbutton")); // NOI18N cancelButton.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { cancelButtonActionPerformed(evt); } }); restoreButton.setText(bundle.getString("client.restorerevisiondialog.restorebutton")); // NOI18N restoreButton.setEnabled(false); restoreButton.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { restoreButtonActionPerformed(evt); } }); javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane()); getContentPane().setLayout(layout); layout.setHorizontalGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(layout.createSequentialGroup().addContainerGap().addGroup(layout .createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(layout.createSequentialGroup() .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addComponent(fileLabel, javax.swing.GroupLayout.PREFERRED_SIZE, 59, javax.swing.GroupLayout.PREFERRED_SIZE) .addComponent(revisionLabel, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(layout.createSequentialGroup() .addComponent(fileTextField, javax.swing.GroupLayout.DEFAULT_SIZE, 223, Short.MAX_VALUE) .addGap(18, 18, 18).addComponent(browseButton)) .addComponent(revisionComboBox, 0, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))) .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup().addGap(0, 0, Short.MAX_VALUE) .addComponent(restoreButton) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) .addComponent(cancelButton))) .addContainerGap())); layout.setVerticalGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING).addGroup( javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup().addContainerGap() .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE) .addComponent(fileLabel).addComponent(browseButton).addComponent(fileTextField, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)) .addGap(18, 18, 18) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE) .addComponent(revisionLabel).addComponent(revisionComboBox, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)) .addGap(18, 18, 18) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE) .addComponent(cancelButton).addComponent(restoreButton)) .addContainerGap())); pack(); }// </editor-fold>//GEN-END:initComponents private void fileTextFieldActionPerformed(java.awt.event.ActionEvent evt) {// GEN-FIRST:event_fileTextFieldActionPerformed String path = fileTextField.getText(); if (!path.equals("")) { fillRevisionsForFileName(path); } }// GEN-LAST:event_fileTextFieldActionPerformed private void cancelButtonActionPerformed(java.awt.event.ActionEvent evt) {// GEN-FIRST:event_cancelButtonActionPerformed this.dispose(); }// GEN-LAST:event_cancelButtonActionPerformed private void restoreButtonActionPerformed(java.awt.event.ActionEvent evt) {// GEN-FIRST:event_restoreButtonActionPerformed String selectedRev = ((Revision) revisionComboBox.getSelectedItem()).getRevision(); boolean restoreSuccessful; try { restoreSuccessful = apiInt.restoreToRevision(filePath, selectedRev); } catch (Exception e) { logger.error("Error trying to restore old file version!", e); restoreSuccessful = false; } if (!restoreSuccessful) { JOptionPane.showMessageDialog(this, "Restoring file failed. Please make sure the file has been fully synchronized with the cloud storage provider.", "Restore failed", JOptionPane.ERROR_MESSAGE); } else { this.dispose(); } }// GEN-LAST:event_restoreButtonActionPerformed private String getCSPSupportedPath(String path) { return path.replace(PANBOX_DIR.getAbsolutePath(), ""); } private void fillRevisionsForFileName(String path) { if (OS.getOperatingSystem().isWindows()) { // Windows path = path.replaceFirst(File.separator + File.separator + shareName, ""); } else { // Linux path = path.replaceFirst(File.separator + shareName, ""); } String obfFilePath = client.getOnlineFilename(shareName, path); filePath = obfFilePath; // check if file is actually available at the given location try { if (apiInt.exists(obfFilePath)) { List<Revision> revs = apiInt.getRevisions(obfFilePath); revisionComboBox.setModel(new DefaultComboBoxModel<Revision>()); if (revs != null) { for (Revision r : revs) { revisionComboBox.addItem(r); } restoreButton.setEnabled(true); } } else { JOptionPane.showMessageDialog(this, bundle.getString("PublishIdentitiesDialog.fileNotFoundInCloudStorage"), bundle.getString("PublishIdentitiesDialog.fileNotFound"), JOptionPane.INFORMATION_MESSAGE); } } catch (Exception e) { logger.error("Unable to determine if file exists in cloud storage!", e); } } private void browseButtonActionPerformed(java.awt.event.ActionEvent evt) {// GEN-FIRST:event_browseButtonActionPerformed JFileChooser fileChooser = new JFileChooser(PANBOX_DIR + "/" + shareName); fileChooser.setFileView(new FileView() { @Override public Boolean isTraversable(File f) { try { return f.isDirectory() && FilenameUtils.directoryContains(PANBOX_DIR.getAbsolutePath(), f.getAbsolutePath()); } catch (IOException e) { logger.error("Error determining folder parent status!"); return true; } } }); fileChooser.setFileSelectionMode(JFileChooser.FILES_ONLY); int ret = fileChooser.showOpenDialog(this); if (ret == JFileChooser.APPROVE_OPTION && fileChooser.getSelectedFile().getParentFile().getAbsolutePath() .startsWith(PANBOX_DIR.getAbsolutePath())) { String path = getCSPSupportedPath(fileChooser.getSelectedFile().getPath()); fileTextField.setText(path); fillRevisionsForFileName(path); } }// GEN-LAST:event_browseButtonActionPerformed // Variables declaration - do not modify//GEN-BEGIN:variables private javax.swing.JButton browseButton; private javax.swing.JButton cancelButton; private javax.swing.JLabel fileLabel; private javax.swing.JTextField fileTextField; private javax.swing.JButton restoreButton; private javax.swing.JComboBox<Revision> revisionComboBox; private javax.swing.JLabel revisionLabel; // End of variables declaration//GEN-END:variables }