public class ChickenPart {
    private ChickenPartType type;
    private int weight;
    private String id;

    public ChickenPart (ChickenPartType type, int weight, String id) {
        this.type = type;
        this.weight = weight;
        this.id = id;
    }

    public ChickenPartType getType() {
        return type;
    }

    public int getWeight() {
        return weight;
    }

    public String getId(){
        return id;
    }

    public String toString() {
        StringBuffer chicken = new StringBuffer();
        chicken.append("<begin chicken>");
        chicken.append(getType());
        chicken.append(" ");
        chicken.append(getWeight());
        chicken.append(" ");
        chicken.append(getId());
        chicken.append("<end chicken>");
        return chicken.toString();
    }

    // No leading or trailing spaces are allowed in the string.
    public static ChickenPart fromString (String chicken) 
        throws MalformedChickenPartException {
    }

    public boolean equals(Object o) {
        if (o instanceof ChickenPart) {
            ChickenPart cp = (ChickenPart) o;
            boolean isEqual;
            isEqual = this.getType().equals(cp.getType());
            isEqual = isEqual && (this.getWeight() == cp.getWeight());
            isEqual = isEqual && this.getId().equals(cp.getId());
            return isEqual;
        } else {
            return false;
        }
    }

}