org.pwsafe.passwordsafeswt.action.UnlockDbAction.java Source code

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Here is the source code for org.pwsafe.passwordsafeswt.action.UnlockDbAction.java

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/*
 * $Id$
 * Copyright (c) 2008-2014 David Muller <roxon@users.sourceforge.net>.
 * All rights reserved. Use of the code is allowed under the
 * Artistic License 2.0 terms, as specified in the LICENSE file
 * distributed with this code, or available from
 * http://www.opensource.org/licenses/artistic-license-2.0.php
 */
package org.pwsafe.passwordsafeswt.action;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.eclipse.jface.action.Action;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.pwsafe.passwordsafeswt.PasswordSafeJFace;
import org.pwsafe.passwordsafeswt.dialog.PasswordDialog;
import org.pwsafe.passwordsafeswt.util.UserPreferences;

/**
 * Unlocks the password database.
 * 
 * @author David Mueller
 */
public class UnlockDbAction extends Action implements Runnable {

    private static final Log log = LogFactory.getLog(UnlockDbAction.class);

    public UnlockDbAction() {
        super();
    }

    /**
     * @see org.eclipse.jface.action.Action#run()
     */
    @Override
    public void run() {
        performUnlock();
    }

    public boolean performUnlock() {
        boolean isUnlocked = false;
        // calling code should stop a running locker timer first
        PasswordSafeJFace app = PasswordSafeJFace.getApp();
        log.info(Messages.getString("LockDbAction.Log.TryToUnlock")); //$NON-NLS-1$
        PasswordDialog pd;
        if (app.getShell().isVisible()) {
            pd = new PasswordDialog(app.getShell());
        } else { // use a new shell so the main window is not shown first
            Display display = Display.getDefault();
            Shell parent = new Shell(display);
            pd = new PasswordDialog(parent);
        }

        pd.setVerified(false);
        String fileName = UserPreferences.getInstance().getMRUFile();
        pd.setFileName(fileName);
        StringBuilder password = pd.open();
        if (password != null && !"".equals(password)) {
            try {
                app.openFile(fileName, password); // readonly state stays
                // unchanged
                isUnlocked = true;
                app.setLocked(false);
            } catch (Exception anEx) {
                app.displayErrorDialog(Messages.getString("LockDbAction.ReOpenError.Title"), //$NON-NLS-1$
                        Messages.getString("LockDbAction.ReOpenError.Message"), anEx); //$NON-NLS-1$
            }
        }
        return isUnlocked;
    }

}