org.apache.jclouds.oneandone.rest.util.ServerApplianceParser.java Source code

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Here is the source code for org.apache.jclouds.oneandone.rest.util.ServerApplianceParser.java

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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.jclouds.oneandone.rest.util;

import static com.google.common.base.Preconditions.checkNotNull;
import com.google.common.reflect.TypeToken;
import com.google.gson.internal.LinkedTreeMap;
import com.google.inject.Inject;
import java.lang.reflect.Type;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import org.apache.jclouds.oneandone.rest.domain.SingleServerAppliance;
import org.apache.jclouds.oneandone.rest.domain.Types;
import org.jclouds.json.Json;

public class ServerApplianceParser {

    final Json jsonBinder;

    @Inject
    ServerApplianceParser(Json jsonBinder) {
        this.jsonBinder = checkNotNull(jsonBinder, "jsonBinder");
    }

    @SuppressWarnings("serial")
    public String parse(String json, String prefix, String key) {

        SingleServerAppliance result = null;
        Type mapType = new TypeToken<Map<String, Object>>() {
        }.getType();
        Map<String, Object> jsonMap = jsonBinder.fromJson(json, mapType);
        List<Object> dcs = cast(jsonMap.get("available_datacenters"));
        List<Object> categories = cast(jsonMap.get("categories"));
        Class<? extends Object> typeName = dcs.get(0).getClass();
        List<SingleServerAppliance.AvailableDataCenters> list = new ArrayList<SingleServerAppliance.AvailableDataCenters>();
        List<String> cats = null;

        if (typeName != String.class) {
            for (Object t : dcs) {
                LinkedTreeMap map = (LinkedTreeMap) t;
                list.add(SingleServerAppliance.AvailableDataCenters.create(map.get("id").toString(),
                        map.get("name").toString()));
            }
            if (categories != null) {
                cats = new ArrayList<String>();
                for (Object t : categories) {
                    cats.add(t.toString());
                }
            }

        } else {
            for (Object t : dcs) {
                list.add(SingleServerAppliance.AvailableDataCenters.create(t.toString(), ""));
            }
            if (categories != null) {
                cats = new ArrayList<String>();
                for (Object t : categories) {
                    cats.add(t.toString());
                }
            }
        }
        String osInstallationBase = jsonMap.get("os_installation_base") != null
                ? jsonMap.get("os_installation_base").toString()
                : null;
        Types.OSFamliyType osFamily = jsonMap.get("os_family") != null
                ? Types.OSFamliyType.fromValue(jsonMap.get("os_family").toString())
                : null;
        String os = jsonMap.get("os") != null ? jsonMap.get("os").toString() : null;
        String osVersion = jsonMap.get("os_version") != null ? jsonMap.get("os_version").toString() : null;
        Types.OSImageType imageType = jsonMap.get("os_image_type") != null
                ? Types.OSImageType.fromValue(jsonMap.get("os_image_type").toString())
                : null;
        Types.ApplianceType type = jsonMap.get("type") != null
                ? Types.ApplianceType.fromValue(jsonMap.get("type").toString())
                : null;
        String state = jsonMap.get("state") != null ? jsonMap.get("state").toString() : null;
        String version = jsonMap.get("version") != null ? jsonMap.get("version").toString() : null;
        String eula_url = jsonMap.get("eula_url") != null ? jsonMap.get("eula_url").toString() : null;

        result = SingleServerAppliance.builder().availableDataCenters(list).categories(cats).eulaUrl(eula_url)
                .id(jsonMap.get("id").toString())
                .minHddSize((int) Double.parseDouble(jsonMap.get("min_hdd_size").toString())).os(os)
                .name(jsonMap.get("name").toString())
                .osArchitecture((int) Double.parseDouble(jsonMap.get("os_architecture").toString()))
                .osFamily(osFamily).osImageType(imageType).osInstallationBase(osInstallationBase)
                .osVersion(osVersion).state(state).type(type).version(version).build();

        return jsonBinder.toJson(result);
    }

    @SuppressWarnings("unchecked")
    public static <T extends List<?>> T cast(Object obj) {
        return (T) obj;
    }
}