net.bpfurtado.ljcolligo.persistence.xml.Events2XMLWriter.java Source code

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Here is the source code for net.bpfurtado.ljcolligo.persistence.xml.Events2XMLWriter.java

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/**
 * Created by Bruno Patini Furtado [http://bpfurtado.livejournal.com]
 * Created on 19/11/2007 20:53:56
 * 
 * This file is part of LJColligo.
 * 
 * LJColligo is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * LJColligo 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 General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with LJColligo.  If not, see <http://www.gnu.org/licenses/>.
 * 
 * Project page: http://sourceforge.net/projects/ljcolligo/
 */

package net.bpfurtado.ljcolligo.persistence.xml;

import java.io.File;
import java.nio.charset.Charset;
import java.text.SimpleDateFormat;
import java.util.Collection;
import java.util.Date;

import net.bpfurtado.ljcolligo.model.Comment;
import net.bpfurtado.ljcolligo.model.Event;
import net.bpfurtado.ljcolligo.model.EventMetadata;
import net.bpfurtado.ljcolligo.model.LJColligoObservable;
import net.bpfurtado.ljcolligo.util.Util;

import org.apache.log4j.Logger;
import org.dom4j.Document;
import org.dom4j.DocumentHelper;
import org.dom4j.Element;

public class Events2XMLWriter extends LJColligoObservable {
    public static final Logger logger = Logger.getLogger(Events2XMLWriter.class);

    private static final SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");

    private Element root;

    public Events2XMLWriter() {
        Document doc = DocumentHelper.createDocument();
        Element root = doc.addElement("events");
        this.root = root;
    }

    public void write(Collection<Event> events, File outputPath) {
        for (Event e : events) {
            Element event = root.addElement("event");
            event.addAttribute("id", getString(e.getId()));
            event.addAttribute("subject", e.getSubject());
            event.addAttribute("date", getString(e.getDate()));
            event.addElement("body").addCDATA(new String(e.getBody().getBytes(), Charset.forName("UTF-8")));
            event.addAttribute("aNum", getString(e.getANum()));
            event.addAttribute("url", e.getUrl().toString());

            Element metadata = event.addElement("metadata");
            EventMetadata meta = e.getMetadata();
            metadata.addAttribute("revisionTime", getString(meta.getRevisionTime()));
            metadata.addAttribute("revisionNumber", getString(meta.getRevisionNumber()));
            metadata.addAttribute("music", meta.getMusic());
            metadata.addAttribute("preformattedOption", getString(meta.getPreformattedOption()));
            metadata.addAttribute("location", meta.getLocation());
            metadata.addAttribute("moodId", getString(meta.getMoodId()));
            String tags = meta.getTags().toString();
            if (tags.length() > 2) { // TODO review this
                metadata.addAttribute("tags", tags.substring(1, tags.length() - 1));
            }

            Element commentsNode = event.addElement("comments");
            for (Comment c : e.getComments()) {
                Element comments = commentsNode.addElement("comment");
                comments.addAttribute("id", c.getId());
                comments.addAttribute("eventId", getString(c.getEventId()));
                comments.addAttribute("subject", getString(c.getSubject()));
                comments.addAttribute("date", getString(c.getDate()));
                comments.addAttribute("user", getString(c.getUser()));
                comments.addAttribute("posterId", getString(c.getPosterId()));
                comments.addAttribute("state", getString(c.getState()));
                comments.addAttribute("parentId", getString(c.getParentId()));
                if (c.getBody() != null) {
                    comments.addElement("body")
                            .addCDATA(new String(c.getBody().getBytes(), Charset.forName("UTF-8")));
                }
            }
        }

        Util.save(root, outputPath);

        sendMessageToListeners("All entries saved to file [" + outputPath.getAbsolutePath() + "]\n");
    }

    private String getString(String s) {
        if (s == null)
            return "";

        return new String(s.getBytes(), Charset.forName("UTF-8"));
    }

    private String getString(Integer i) {
        if (i == null)
            return "";
        return i.toString();
    }

    private String getString(Boolean b) {
        if (b == null)
            return "";
        return b.toString();
    }

    private String getString(Date date) {
        if (date == null)
            return "";
        return sdf.format(date);
    }
}