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

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Here is the source code for org.vosao.business.impl.imex.SeoUrlsExporterImpl.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 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.SeoUrlExporter;
import org.vosao.dao.DaoTaskException;
import org.vosao.entity.SeoUrlEntity;

/**
 * @author Alexander Oleynik
 */
public class SeoUrlsExporterImpl extends AbstractExporter implements SeoUrlExporter {

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

    @Override
    public String createXML() {
        Document doc = DocumentHelper.createDocument();
        Element e = doc.addElement("seo-urls");
        List<SeoUrlEntity> list = getDao().getSeoUrlDao().select();
        for (SeoUrlEntity seo : list) {
            Element seoElement = e.addElement("seo-url");
            seoElement.addElement("from").setText(seo.getFromLink());
            seoElement.addElement("to").setText(seo.getToLink());
        }
        return doc.asXML();
    }

    public void read(Element urlsElement) throws DaoTaskException {
        for (Iterator<Element> i = urlsElement.elementIterator(); i.hasNext();) {
            Element element = i.next();
            if (element.getName().equals("seo-url")) {
                String from = element.elementText("from");
                String to = element.elementText("to");
                SeoUrlEntity seourl = getDao().getSeoUrlDao().getByFrom(from);
                if (seourl == null) {
                    seourl = new SeoUrlEntity(from, to);
                }
                getDaoTaskAdapter().seoUrlSave(seourl);
            }
        }
    }

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