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/*
 * Copyright (c) 2010 Remko Tronçon
 * Licensed under the GNU General Public License v3.
 * See Documentation/Licenses/GPLv3.txt for more information.
 */

#include <Swiften/Serializer/PayloadSerializers/DiscoInfoSerializer.h>

#include <boost/shared_ptr.hpp>

#include <Swiften/Base/foreach.h>
#include <Swiften/Serializer/XML/XMLElement.h>
#include <Swiften/Serializer/XML/XMLRawTextNode.h>
#include <Swiften/Serializer/PayloadSerializers/FormSerializer.h>

namespace Swift {

DiscoInfoSerializer::DiscoInfoSerializer() : GenericPayloadSerializer<DiscoInfo>() {
}

std::string DiscoInfoSerializer::serializePayload(boost::shared_ptr<DiscoInfo> discoInfo)  const {
	XMLElement queryElement("query", "http://jabber.org/protocol/disco#info");
	if (!discoInfo->getNode().empty()) {
		queryElement.setAttribute("node", discoInfo->getNode());
	}
	foreach(const DiscoInfo::Identity& identity, discoInfo->getIdentities()) {
		boost::shared_ptr<XMLElement> identityElement(new XMLElement("identity"));
		if (!identity.getLanguage().empty()) {
			identityElement->setAttribute("xml:lang", identity.getLanguage());
		}
		identityElement->setAttribute("category", identity.getCategory());
		identityElement->setAttribute("name", identity.getName());
		identityElement->setAttribute("type", identity.getType());
		queryElement.addNode(identityElement);
	}
	foreach(const std::string& feature, discoInfo->getFeatures()) {
		boost::shared_ptr<XMLElement> featureElement(new XMLElement("feature"));
		featureElement->setAttribute("var", feature);
		queryElement.addNode(featureElement);
	}
	foreach(const Form::ref extension, discoInfo->getExtensions()) {
		queryElement.addNode(boost::shared_ptr<XMLRawTextNode>(new XMLRawTextNode(FormSerializer().serialize(extension))));
	}
	return queryElement.serialize();
}

}