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

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Here is the source code for org.bbaw.pdr.ae.backup.commands.WriteLocalBackupHandler.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 org.bbaw.pdr.ae.common.NLMessages;
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.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.core.runtime.jobs.Job;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.swt.widgets.DirectoryDialog;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.handlers.HandlerUtil;
import org.eclipse.ui.progress.UIJob;

/**
 * @author cplutte
 * .
 */
public class WriteLocalBackupHandler extends AbstractHandler implements IHandler {
    /** backup successfull.*/
    private boolean _successfull;

    /** execute method.
     * @param event to be executed.
     * @throws ExecutionException ee.
     * @return null. */
    public final Object execute(final ExecutionEvent event) throws ExecutionException {

        String message = NLMessages.getString("WriteLocalBackupHandler_warning0"); //$NON-NLS-1$
        message += NLMessages.getString("WriteLocalBackupHandler_warning1"); //$NON-NLS-1$
        MessageDialog messageDialog = new MessageDialog(new Shell(PlatformUI.getWorkbench().getDisplay()),
                NLMessages.getString("WriteLocalBackupHandler_title"), null, //$NON-NLS-1$
                message, MessageDialog.WARNING,
                new String[] { NLMessages.getString("Handler_yes"), NLMessages.getString("Handler_no") }, 1); //$NON-NLS-1$ //$NON-NLS-2$
        if (messageDialog.open() == 0) {
            DirectoryDialog directoryDialog = new DirectoryDialog(
                    PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell());
            directoryDialog.setFilterPath("/"); //$NON-NLS-1$
            directoryDialog.setMessage(NLMessages.getString("WriteLocalBackupHandler_message")); //$NON-NLS-1$
            directoryDialog.setText(NLMessages.getString("WriteLocalBackupHandler_title2")); //$NON-NLS-1$
            final String selectedDirectory = directoryDialog.open();
            if (selectedDirectory != null) {
                Job job = new Job("Backup") {
                    @Override
                    protected IStatus run(final IProgressMonitor monitor) {
                        IDBManager dbm = Facade.getInstanz().getDBManager();
                        try {
                            dbm.writeToLocalBackup(selectedDirectory);
                            _successfull = true;
                            UIJob job = new UIJob("Backup Information") {
                                @Override
                                public IStatus runInUIThread(final IProgressMonitor monitor) {
                                    IWorkbench workbench = PlatformUI.getWorkbench();
                                    Display display = workbench.getDisplay();
                                    Shell shell = new Shell(display);
                                    String info = NLMessages.getString("Commands_message_local_backup_success");
                                    MessageDialog infoDialog = new MessageDialog(shell,
                                            NLMessages.getString("Commands_title_local_backup_success"), null, //$NON-NLS-1$
                                            info, MessageDialog.INFORMATION,
                                            new String[] { NLMessages.getString("Handler_ok") }, 0); //$NON-NLS-1$
                                    infoDialog.open();
                                    return Status.OK_STATUS;
                                }
                            };
                            job.setUser(true);
                            job.schedule();
                        } catch (Exception e) {
                            UIJob job = new UIJob("Backup Information") {
                                @Override
                                public IStatus runInUIThread(final IProgressMonitor monitor) {
                                    IWorkbench workbench = PlatformUI.getWorkbench();
                                    Display display = workbench.getDisplay();
                                    Shell shell = new Shell(display);
                                    String info = NLMessages.getString("Handler_backup_error");
                                    MessageDialog infoDialog = new MessageDialog(shell,
                                            NLMessages.getString("Handler_backup_error_title"), null, info,
                                            MessageDialog.INFORMATION,
                                            new String[] { NLMessages.getString("Handler_ok") }, 0); //$NON-NLS-1$
                                    infoDialog.open();
                                    return Status.CANCEL_STATUS;
                                }
                            };
                            job.setUser(true);
                            job.schedule();
                            e.printStackTrace();
                        }
                        if (monitor.isCanceled()) {
                            return Status.CANCEL_STATUS;
                        }
                        return Status.CANCEL_STATUS;
                    }
                };
                job.setUser(true);
                job.schedule();

            }

        }

        // System.out.println("write local bakcu2 " + _successfull);

        return new Boolean(_successfull);
    }

}