/*
* Copyright (C) 2010-2012 Klaus Reimer <k@ailis.de>
* See LICENSE.txt file for licensing information.
*/
package de.ailis.xadrian.data.factories;
import java.io.Serializable;
import java.net.URL;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import java.util.SortedSet;
import java.util.TreeSet;
import org.dom4j.Document;
import org.dom4j.DocumentException;
import org.dom4j.Element;
import org.dom4j.io.SAXReader;
import de.ailis.xadrian.Main;
import de.ailis.xadrian.data.Container;
import de.ailis.xadrian.data.Game;
import de.ailis.xadrian.data.Ware;
import de.ailis.xadrian.exceptions.DataException;
import de.ailis.xadrian.frames.SplashFrame;
/**
* Factory for Ware objects.
*
* @author Klaus Reimer (k@ailis.de)
*/
public class WareFactory implements Serializable
{
/** Serial version UID. */
private static final long serialVersionUID = 1L;
/** The game for which this factory is responsible. */
private final Game game;
/** The ware map (for quick ID navigation) */
private final Map<String, Ware> wareMap = new HashMap<String, Ware>();
/** The wares (sorted) */
private final SortedSet<Ware> wares = new TreeSet<Ware>();
/**
* Constructor.
*
* @param game
* The game for which this factory is responsible.
*/
public WareFactory(final Game game)
{
this.game = game;
readData();
SplashFrame.advanceProgress();
}
/**
* Reads the data from the XML file.
*/
private void readData()
{
String gameId = this.game.getId();
URL url = Main.class.getResource("/" + gameId + "/wares.xml");
if (url == null)
url = Main.class.getResource("data/" + gameId + "/wares.xml");
final SAXReader reader = new SAXReader();
try
{
final Document document = reader.read(url);
for (final Object item : document.getRootElement().elements("ware"))
{
final Element element = (Element) item;
final String id = element.attributeValue("id");
final int minPrice =
Integer.parseInt(element.attributeValue("minPrice"));
final int avgPrice =
Integer.parseInt(element.attributeValue("avgPrice"));
final int maxPrice =
Integer.parseInt(element.attributeValue("maxPrice"));
final int volume =
Integer.parseInt(element.attributeValue("volume"));
final Container container =
Container.valueOf(element.attributeValue("container"));
final Ware ware =
new Ware(this.game, id, minPrice, avgPrice, maxPrice,
volume, container);
this.wares.add(ware);
this.wareMap.put(id, ware);
}
}
catch (final DocumentException e)
{
throw new DataException("Unable to read XML file: " + e, e);
}
}
/**
* Returns all wares.
*
* @return The wares
*/
public SortedSet<Ware> getWares()
{
return Collections.unmodifiableSortedSet(this.wares);
}
/**
* Returns the ware with the specified id or null if not found.
*
* @param id
* The ware id
* @return The ware or null if not found
*/
public Ware getWare(final String id)
{
return this.wareMap.get(id);
}
}