package de.pixart.messenger.xmpp.chatstate;

import de.pixart.messenger.xml.Element;

public enum ChatState {

    ACTIVE, INACTIVE, GONE, COMPOSING, PAUSED;

    public static ChatState parse(Element element) {
        final String NAMESPACE = "http://jabber.org/protocol/chatstates";
        if (element.hasChild("active", NAMESPACE)) {
            return ACTIVE;
        } else if (element.hasChild("inactive", NAMESPACE)) {
            return INACTIVE;
        } else if (element.hasChild("composing", NAMESPACE)) {
            return COMPOSING;
        } else if (element.hasChild("gone", NAMESPACE)) {
            return GONE;
        } else if (element.hasChild("paused", NAMESPACE)) {
            return PAUSED;
        } else {
            return null;
        }
    }

    public static Element toElement(ChatState state) {
        final String NAMESPACE = "http://jabber.org/protocol/chatstates";
        final Element element = new Element(state.toString().toLowerCase());
        element.setAttribute("xmlns", NAMESPACE);
        return element;
    }
}