org.vosao.entity.StructureEntity.java Source code

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Here is the source code for org.vosao.entity.StructureEntity.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.entity;

import java.util.ArrayList;
import java.util.Collections;
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.vo.StructureFieldVO;
import static org.vosao.utils.EntityUtil.*;

import com.google.appengine.api.datastore.Entity;
import com.google.appengine.api.datastore.Text;

public class StructureEntity extends BaseEntityImpl {

    private static final long serialVersionUID = 2L;

    private String title;
    private String content;

    public StructureEntity() {
        content = "";
    }

    @Override
    public void load(Entity entity) {
        super.load(entity);
        title = getStringProperty(entity, "title");
        content = getTextProperty(entity, "content");
    }

    @Override
    public void save(Entity entity) {
        super.save(entity);
        setProperty(entity, "title", title, true);
        setTextProperty(entity, "content", content);
    }

    public StructureEntity(String title, String content) {
        this();
        this.title = title;
        this.content = content;
    }

    public String getTitle() {
        return title;
    }

    public void setTitle(String title) {
        this.title = title;
    }

    public String getContent() {
        return content;
    }

    public void setContent(String content) {
        this.content = content;
    }

    public List<StructureFieldVO> getFields() {
        try {
            Document doc = DocumentHelper.parseText(getContent());
            List<StructureFieldVO> result = new ArrayList<StructureFieldVO>();
            for (Iterator<Element> i = doc.getRootElement().elementIterator(); i.hasNext();) {
                Element element = i.next();
                if (element.getName().equals("field")) {
                    result.add(new StructureFieldVO(element.elementText("title"), element.elementText("name"),
                            element.elementText("type")));
                }
            }
            return result;
        } catch (DocumentException e) {
            logger.error(e.getMessage());
            return Collections.EMPTY_LIST;
        }
    }
}