/**
* 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.PageDependencyExporter;
import org.vosao.dao.DaoTaskException;
import org.vosao.entity.PageDependencyEntity;
/**
* @author Alexander Oleynik
*/
public class PageDependencyExporterImpl extends AbstractExporter
implements PageDependencyExporter {
public PageDependencyExporterImpl(ExporterFactoryImpl factory) {
super(factory);
}
@Override
public String createXML() {
Document doc = DocumentHelper.createDocument();
Element root = doc.addElement("dependencies");
List<PageDependencyEntity> list = getDao().getPageDependencyDao().select();
for (PageDependencyEntity entity : list) {
Element itemElement = root.addElement("item");
itemElement.addElement("page").setText(entity.getPage());
itemElement.addElement("dependency").setText(entity.getDependency());
}
return doc.asXML();
}
public void read(Element rootElement) throws DaoTaskException {
for (Iterator<Element> i = rootElement.elementIterator();
i.hasNext(); ) {
Element element = i.next();
if (element.getName().equals("item")) {
String page = element.elementText("page");
String dependency = element.elementText("dependency");
PageDependencyEntity entity =
getDao().getPageDependencyDao().getByPageAndDependency(
page, dependency);
if (entity == null) {
entity = new PageDependencyEntity(dependency, page);
}
getDaoTaskAdapter().pageDependencySave(entity);
}
}
}
/**
* Read and import data from _messages.xml file.
* @param xml - _messages.xml file content.
* @throws DocumentException
* @throws DaoTaskException
*/
public void readFile(String xml) throws DocumentException,
DaoTaskException {
Document doc = DocumentHelper.parseText(xml);
read(doc.getRootElement());
}
}