PropertyStorage.java

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package eu.mihosoft.vrl.v3d;
 
import java.util.HashMap;
import java.util.Map;
import java.util.Optional;
import javafx.scene.paint.Color;
 
// TODO: Auto-generated Javadoc
public class PropertyStorage {
 
    private final Map<String, Object> map = new HashMap<>();
 
    private static final Color[] colors = {
        Color.RED, Color.YELLOW, Color.GREEN, Color.BLUE, Color.MAGENTA,
        Color.WHITE, Color.BLACK, Color.GRAY, Color.ORANGE};
 
    public PropertyStorage() {
       randomColor(this);
    }
 
    public void set(String key, Object property) {
        map.put(key, property);
    }
 
    public <T> Optional<T> getValue(String key) {
 
        Object value = map.get(key);
 
        try {
            return Optional.ofNullable((T) value);
        } catch (ClassCastException ex) {
            return Optional.empty();
        }
    }
 
    public void delete(String key) {
        map.remove(key);
    }
 
    public boolean contains(String key) {
        return map.containsKey(key);
    }
 
    static void randomColor(PropertyStorage storage) {
        Color c = colors[(int) (Math.random() * colors.length)];
 
        storage.set("material:color",
                "" + c.getRed()
                + " " + c.getGreen()
                + " " + c.getBlue());
    }
}