org.vosao.business.impl.imex.UserExporterImpl.java Source code

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Here is the source code for org.vosao.business.impl.imex.UserExporterImpl.java

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/**
 * Vosao CMS. Simple CMS for Google App Engine.
 * 
 * Copyright (C) 2009-2010 Vosao development team.
 *
 * This library 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 2.1 of the License, or (at your option) any later version.
 *
 * This library 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 this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 *
 * email: vosao.dev@gmail.com
 */

package org.vosao.business.impl.imex;

import static org.vosao.utils.XmlUtil.notNull;

import java.util.Iterator;
import java.util.List;

import org.dom4j.Document;
import org.dom4j.DocumentException;
import org.dom4j.DocumentHelper;
import org.dom4j.Element;
import org.vosao.business.imex.UserExporter;
import org.vosao.common.BCrypt;
import org.vosao.dao.DaoTaskException;
import org.vosao.entity.UserEntity;
import org.vosao.enums.UserRole;
import org.vosao.utils.ParamUtil;

/**
 * @author Alexander Oleynik
 */
public class UserExporterImpl extends AbstractExporter implements UserExporter {

    public UserExporterImpl(ExporterFactoryImpl factory) {
        super(factory);
    }

    @Override
    public String createUsersXML() {
        Document doc = DocumentHelper.createDocument();
        Element usersElement = doc.addElement("users");
        createUsersXML(usersElement);
        return doc.asXML();
    }

    private void createUsersXML(Element usersElement) {
        List<UserEntity> list = getDao().getUserDao().select();
        for (UserEntity user : list) {
            createUserXML(usersElement, user);
        }
    }

    private void createUserXML(Element usersElement, final UserEntity user) {
        Element userElement = usersElement.addElement("user");
        userElement.addElement("name").setText(user.getName());
        userElement.addElement("email").setText(user.getEmail());
        userElement.addElement("password").setText(notNull(user.getPassword()));
        userElement.addElement("role").setText(user.getRole().name());
        userElement.addElement("disabled").setText(String.valueOf(user.isDisabled()));
    }

    public void readUsers(Element usersElement) throws DaoTaskException {
        for (Iterator<Element> i = usersElement.elementIterator(); i.hasNext();) {
            Element element = i.next();
            if (element.getName().equals("user")) {
                String email = element.elementText("email");
                String name = element.elementText("name");
                boolean disabled = ParamUtil.getBoolean(element.elementText("disabled"), false);
                String password = element.elementText("password");
                try {
                    BCrypt.checkpw("test", password);
                } catch (Exception e) {
                    password = BCrypt.hashpw(password, BCrypt.gensalt());
                }
                UserRole role = UserRole.valueOf(element.elementText("role"));
                UserEntity user = getDao().getUserDao().getByEmail(email);
                if (user == null) {
                    user = new UserEntity(name, password, email, role);
                }
                user.setName(name);
                user.setPassword(password);
                user.setRole(role);
                user.setDisabled(disabled);
                getDaoTaskAdapter().userSave(user);
            }
        }
    }

    /**
     * Read and import data from _users.xml.
     * @param xml - _users.xml content.
     * @throws DocumentException 
     * @throws DaoTaskException 
     */
    public void readUsersFile(String xml) throws DocumentException, DaoTaskException {
        Document doc = DocumentHelper.parseText(xml);
        readUsers(doc.getRootElement());
    }
}