VideoWriter.java

package model.data.xml.writers;

import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.Collection;

import model.*;
import model.data.exceptions.DataSaveException;
import model.data.exceptions.RecordNotFoundException;

import org.apache.ecs.Doctype;
import org.apache.ecs.xml.XML;
import org.apache.ecs.xml.XMLDocument;

/**
 * VideoWriter.java
 * 
 * @author Christopher Bertels (chbertel@uos.de)
 * @date 15.09.2008
 */
public class VideoWriter extends AbstractWriter
{
	public VideoWriter(String videosFile) throws DataSaveException,
			FileNotFoundException
	{
		super(videosFile);
	}

	public void saveVideos(Collection<Video> videosToSave) throws IOException,
			RecordNotFoundException
	{
		XMLDocument document = new XMLDocument();
		document.addToProlog(new Doctype("videos", "'videoList'", "'videos.dtd'"));
		
		XML videosTag = new XML("videos");
		videosTag.addXMLAttribute("minID", Integer.toString(Video.getMinID()));
		videosTag.addXMLAttribute("minVideoUnitID", Integer.toString(VideoUnit.getMinID()));

		document.addElement(videosTag);

		for (Video vid : videosToSave)
		{
			XML videoTag = new XML("video")
				.addXMLAttribute("vID", Integer.toString(vid.getID()))
				.addXMLAttribute("title", vid.getTitle())
				.addXMLAttribute("releaseYear", Integer.toString(vid.getReleaseYear()))
				.addXMLAttribute("priceCategoryID", Integer.toString(vid.getPriceCategory().getID()))
				.addXMLAttribute("ratedAge", Integer.toString(vid.getRatedAge()));
			
			for(VideoUnit unit : vid.getVideoUnits())
			{
				videoTag.addElement(new XML("videoUnit")
					.addXMLAttribute("uID", Integer.toString(unit.getID()))
					.addXMLAttribute("videoID", Integer.toString(vid.getID()))
				);				
			}
			
			document.addElement(videoTag);
		}

		writeToFile(document);
	}
}