BuildingDecoder.java

package vooga.rts.gamedesign.factories;

import java.awt.image.BufferedImage;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NodeList;
import vooga.rts.gamedesign.sprite.gamesprites.interactive.buildings.Building;
import vooga.rts.resourcemanager.ResourceManager;
import vooga.rts.util.Pixmap;
import vooga.rts.util.ReflectionHelper;
import vooga.rts.util.Sound;


/**
 * This class takes care of parsing the XML file for custom Building information and
 * instantiating this custom building.
 * 
 * @author Francesco Agosti
 * 
 */
public class BuildingDecoder extends Decoder {

    private Factory myFactory;
    private CustomHandler myCustomHandler;

    public BuildingDecoder (Factory factory) {
        myFactory = factory;
        myCustomHandler = new CustomHandler(factory);

    }

    @Override
    public void create (Document doc, String type) {
        // there is some duplicate code between decoders that should be factored out.
        String path =
                doc.getElementsByTagName(type).item(0).getAttributes().getNamedItem(SOURCE_TAG)
                        .getTextContent();
        String subtype = type.substring(0, type.length() - 1);
        NodeList nodeLst = doc.getElementsByTagName(subtype);
        myCustomHandler.create(doc, subtype);
        for (int i = 0; i < nodeLst.getLength(); i++) {
            Element nElement = (Element) nodeLst.item(i);
            String name = getElement(nElement, NAME_TAG);
            String img = getElement(nElement, IMAGE_TAG);
            String sound = getElement(nElement, SOUND_TAG);
            int health = Integer.parseInt(getElement(nElement, HEALTH_TAG));
            double buildTime = Double.parseDouble(getElement(nElement, TIME_TAG));
            Building building =
                    (Building) ReflectionHelper
                            .makeInstance(path,
                                          new Pixmap(
                                                     ResourceManager
                                                             .getInstance()
                                                             .<BufferedImage> getFile(img,
                                                                                      BufferedImage.class)),
                                          new Sound(sound), health, buildTime);

            
            
          
            
            building.setInfo(getInformation(name, nElement));
            
            myFactory.put(name, building);
            
            // Load Production Dependencies now
            String[] nameCanProduce = getElement(nElement, PRODUCE_TAG).split("\\s+");
            if (nameCanProduce[0] != "") {
                myFactory.putProductionDependency(name, nameCanProduce);
            }

            // Load Strategy Dependencies now
            String[] strategies = new String[5];
            strategies[0] = CANNOT_ATTACK;
            strategies[1] = getElement(nElement, OCCUPY_TAG);
            strategies[2] = CANNOT_GATHER;
            strategies[3] = getElement(nElement, UPGRADE_TAG);
            strategies[4] = getElement(nElement, UPGRADE_TREE_NAME_TAG);
            
            // Load Weapon Dependency
            String[] weapons = getElement(nElement, MYWEAPONS_TAG).split("\\s+");
            if (weapons[0] != "") {
                myFactory.putWeaponDependency(name, weapons);
                strategies[0] = CAN_ATTACK;
            }

            myFactory.putStrategyDependency(name, strategies);

        }

    }
}