org.bbaw.pdr.ae.backup.commands.LoadLocalBackupHandler.java Source code

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Here is the source code for org.bbaw.pdr.ae.backup.commands.LoadLocalBackupHandler.java

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/**
 * This file is part of Archiv-Editor.
 * 
 * The software Archiv-Editor serves as a client user interface for working with
 * the Person Data Repository. See: pdr.bbaw.de
 * 
 * The software Archiv-Editor was developed at the Berlin-Brandenburg Academy
 * of Sciences and Humanities, Jgerstr. 22/23, D-10117 Berlin.
 * www.bbaw.de
 * 
 * Copyright (C) 2010-2013  Berlin-Brandenburg Academy
 * of Sciences and Humanities
 * 
 * The software Archiv-Editor was developed by @author: Christoph Plutte.
 * 
 * Archiv-Editor is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * Archiv-Editor 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 Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * along with Archiv-Editor.  
 * If not, see <http://www.gnu.org/licenses/lgpl-3.0.html>.
 */
package org.bbaw.pdr.ae.backup.commands;

import java.lang.reflect.InvocationTargetException;

import org.bbaw.pdr.ae.common.NLMessages;
import org.bbaw.pdr.ae.control.core.UserRichtsChecker;
import org.bbaw.pdr.ae.control.facade.Facade;
import org.bbaw.pdr.ae.control.interfaces.IDBManager;
import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.commands.IHandler;
import org.eclipse.core.commands.NotEnabledException;
import org.eclipse.core.commands.NotHandledException;
import org.eclipse.core.commands.common.NotDefinedException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.dialogs.ProgressMonitorDialog;
import org.eclipse.jface.operation.IRunnableWithProgress;
import org.eclipse.swt.widgets.DirectoryDialog;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.handlers.HandlerUtil;
import org.eclipse.ui.handlers.IHandlerService;

/** handler for load local backup command.
 * @author Christoph Plutte
 * .
 */
public class LoadLocalBackupHandler extends AbstractHandler implements IHandler {
    /** user rights checker.*/
    private UserRichtsChecker _urChecker = new UserRichtsChecker();

    /** execute method.
     * @param event to be executed.
     * @throws ExecutionException ee.
     * @return null. */
    public final Object execute(final ExecutionEvent event) throws ExecutionException {
        if (!_urChecker.isUserGuest()) {
            String message = NLMessages.getString("LoadLocalBackupHandler_warning0");
            message += NLMessages.getString("LoadLocalBackupHandler_warning1");
            MessageDialog messageDialog = new MessageDialog(HandlerUtil.getActiveWorkbenchWindow(event).getShell(),
                    NLMessages.getString("LoadLocalBackupHandler_title"), null, message, MessageDialog.WARNING,
                    new String[] { NLMessages.getString("Handler_yes"), NLMessages.getString("Handler_no") }, 1);
            if (messageDialog.open() == 0) {
                DirectoryDialog directoryDialog = new DirectoryDialog(
                        PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell());
                directoryDialog.setFilterPath("/"); //$NON-NLS-1$
                directoryDialog.setMessage(NLMessages.getString("LoadLocalBackupHandler_message"));
                directoryDialog.setText(NLMessages.getString("LoadLocalBackupHandler_title2"));
                final String selectedDirectory = directoryDialog.open();
                if (selectedDirectory != null) {
                    //             System.out.println(selectedDirectory + " was selected."); //$NON-NLS-1$
                    final IDBManager dbm = Facade.getInstanz().getDBManager();

                    final ProgressMonitorDialog dialog = new ProgressMonitorDialog(new Shell());
                    dialog.setCancelable(false);

                    try {
                        dialog.run(true, true, new IRunnableWithProgress() {

                            @Override
                            public void run(final IProgressMonitor monitor) {
                                monitor.beginTask("Load Local Backup", 100);
                                // if (monitor.isCanceled())
                                // {
                                // return Status.CANCEL_STATUS;
                                // }
                                dbm.loadLocalBackup(selectedDirectory, monitor);
                                monitor.done();

                            }
                        });
                    } catch (InvocationTargetException e) {
                        e.printStackTrace();
                    } catch (InterruptedException e) {
                        e.printStackTrace();
                    }

                    IHandlerService handlerService = (IHandlerService) PlatformUI.getWorkbench()
                            .getService(IHandlerService.class);
                    try {
                        handlerService.executeCommand("org.bbaw.pdr.ae.base.commands.RefreshFromDB", null); //$NON-NLS-1$
                    } catch (ExecutionException e) {
                        e.printStackTrace();
                    } catch (NotDefinedException e) {
                        e.printStackTrace();
                    } catch (NotEnabledException e) {
                        e.printStackTrace();
                    } catch (NotHandledException e) {
                        e.printStackTrace();
                    }
                }

            }
        } else {
            MessageDialog.openInformation(HandlerUtil.getActiveWorkbenchWindow(event).getShell(),
                    NLMessages.getString("Commandsr_guest_user"),
                    NLMessages.getString("Commandsr_guest_user_denied")); //$NON-NLS-1$
        }
        return null;
    }

}