org.opendaylight.vtn.javaapi.openstack.convertor.StaticRouteResourceGenerator.java Source code

Introduction

Here is the source code for org.opendaylight.vtn.javaapi.openstack.convertor.StaticRouteResourceGenerator.java

Source

/*
 * Copyright (c) 2013-2014 NEC Corporation
 * All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v1.0 which accompanies this
 * distribution, and is available at http://www.eclipse.org/legal/epl-v10.html
 */

package org.opendaylight.vtn.javaapi.openstack.convertor;

import org.apache.commons.net.util.SubnetUtils;

import com.google.gson.JsonArray;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import org.opendaylight.vtn.javaapi.constants.VtnServiceConsts;
import org.opendaylight.vtn.javaapi.constants.VtnServiceJsonConsts;
import org.opendaylight.vtn.javaapi.openstack.constants.VtnServiceOpenStackConsts;

/**
 * Provides Request-Response Conversion methods for Route requests Requests
 */
public class StaticRouteResourceGenerator {

    /**
     * Generated Create static-ip-route request body from OpenStack request body
     * 
     * @param openStackResourceBody
     *            - OpenStack request body for tenant
     * @return - static-ip-route request body
     */
    public static JsonObject getCreateStaticRouteRequestBody(JsonObject openStackResourceBody) {
        final JsonObject root = new JsonObject();
        final JsonObject staticRoute = new JsonObject();

        final String[] destination = openStackResourceBody.get(VtnServiceOpenStackConsts.DESTNATION).getAsString()
                .split(VtnServiceConsts.SLASH);

        staticRoute.addProperty(VtnServiceJsonConsts.IPADDR, destination[VtnServiceJsonConsts.VAL_0]);

        staticRoute.addProperty(VtnServiceJsonConsts.PREFIX, destination[VtnServiceJsonConsts.VAL_1]);

        staticRoute.addProperty(VtnServiceJsonConsts.NEXTHOPADDR,
                openStackResourceBody.get(VtnServiceOpenStackConsts.NEXTHOP).getAsString());

        root.add(VtnServiceJsonConsts.STATIC_IPROUTE, staticRoute);
        return root;
    }

    /**
     * Generated List static-ip-route request body
     * 
     * @return - static-ip-route request body
     */
    public static JsonObject getListRequestBody() {
        final JsonObject request = new JsonObject();
        request.addProperty(VtnServiceJsonConsts.TARGETDB, VtnServiceJsonConsts.STATE);
        return request;
    }

    /**
     * Convert response for static-ip-route from UNC format to OpenStack format
     * 
     * @param responseBody
     *            - UNC formatted response body
     * @return - OpenStack formatted response body
     */
    public static JsonObject convertListResponseBody(JsonObject responseBody) {
        final JsonObject openStackResponse = new JsonObject();
        final JsonArray routes = new JsonArray();
        final JsonArray staticRoutes = responseBody.get(VtnServiceJsonConsts.STATIC_IPROUTES).getAsJsonArray();
        for (final JsonElement staticRoute : staticRoutes) {

            final String[] staticIpRouteId = staticRoute.getAsJsonObject().get(VtnServiceJsonConsts.STATICIPROUTEID)
                    .getAsString().split(VtnServiceConsts.HYPHEN);

            final String destination = staticIpRouteId[0] + VtnServiceConsts.SLASH + staticIpRouteId[2];
            final String nexthop = staticIpRouteId[1];

            String routeId = null;
            if (staticIpRouteId[2].equals(VtnServiceConsts.ZERO)) {
                routeId = staticIpRouteId[0] + VtnServiceConsts.HYPHEN + staticIpRouteId[1]
                        + VtnServiceConsts.HYPHEN + VtnServiceConsts.DEFAULT_IP;
            } else {
                final SubnetUtils subnetUtils = new SubnetUtils(destination);
                routeId = staticIpRouteId[0] + VtnServiceConsts.HYPHEN + staticIpRouteId[1]
                        + VtnServiceConsts.HYPHEN + subnetUtils.getInfo().getNetmask();
            }

            final JsonObject route = new JsonObject();
            route.addProperty(VtnServiceOpenStackConsts.ID, routeId);
            route.addProperty(VtnServiceOpenStackConsts.DESTNATION, destination);
            route.addProperty(VtnServiceOpenStackConsts.NEXTHOP, nexthop);
            routes.add(route);
        }
        openStackResponse.add(VtnServiceOpenStackConsts.ROUTES, routes);
        return openStackResponse;
    }
}