lh.api.showcase.client.referencedata.aircraft.AircraftResponseJsonParser.java Source code

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Here is the source code for lh.api.showcase.client.referencedata.aircraft.AircraftResponseJsonParser.java

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/*
 * Copyright 2015 Loic Merckel
 * 
 * Licensed 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 lh.api.showcase.client.referencedata.aircraft;

import java.util.ArrayList;
import java.util.List;

import com.google.gwt.json.client.JSONArray;
import com.google.gwt.json.client.JSONObject;
import com.google.gwt.json.client.JSONParser;
import com.google.gwt.json.client.JSONString;
import com.google.gwt.json.client.JSONValue;
import lh.api.showcase.client.JsonParser;
import lh.api.showcase.client.JsonParserUtils;

public class AircraftResponseJsonParser implements JsonParser<List<Aircraft>> {

    @Override
    public List<Aircraft> parse(String json) {

        List<Aircraft> ret = new ArrayList<Aircraft>();

        JSONValue jsv = JSONParser.parseStrict(json);
        JSONObject jobj = jsv.isObject();

        JSONValue jsAircraftResourceVal = jobj.get("AircraftResource");
        JSONObject jsAircraftResourceObj = jsAircraftResourceVal.isObject();

        JSONValue jsAircraftSummariesVal = jsAircraftResourceObj.get("AircraftSummaries");
        JSONObject jsAircraftSummariesObj = jsAircraftSummariesVal.isObject();

        JSONValue jsAircraftSummaryVal = jsAircraftSummariesObj.get("AircraftSummary");
        JSONObject jsAircraftSummaryObj = jsAircraftSummaryVal.isObject();

        if (jsAircraftSummaryObj == null) {
            JSONArray jarrayAircraftSummary = jsAircraftSummaryVal.isArray();
            if (jarrayAircraftSummary != null) {
                for (int i = 0; i < jarrayAircraftSummary.size(); ++i) {
                    JSONObject jsTmpAircraftSummaryObject = jarrayAircraftSummary.get(i).isObject();
                    if (jsTmpAircraftSummaryObject == null) {
                        continue;
                    }
                    Aircraft Aircraft = getAircraftInfo(jsTmpAircraftSummaryObject);
                    if (Aircraft != null) {
                        ret.add(Aircraft);
                    }
                }
            }
        } else {
            Aircraft Aircraft = getAircraftInfo(jsAircraftSummaryObj);
            if (Aircraft != null) {
                ret.add(Aircraft);
            }
        }
        return ret;
    }

    private Aircraft getAircraftInfo(JSONObject jsAircraftSummaryObj) {

        JSONValue jsAircraftCodeVal = jsAircraftSummaryObj.get("AircraftCode");
        JSONValue jsAircraftAirlineEquipCodeVal = jsAircraftSummaryObj.get("AirlineEquipCode");

        if (jsAircraftCodeVal == null) {
            return null;
        }
        String aircraftCode = JsonParserUtils.getAircraftCode(jsAircraftCodeVal);

        JSONString jsAircraftAirlineEquipCodeStr = null;
        if (jsAircraftAirlineEquipCodeVal != null) {
            jsAircraftAirlineEquipCodeStr = jsAircraftAirlineEquipCodeVal.isString();
        }

        JSONObject jsNamesObj = jsAircraftSummaryObj.get("Names").isObject();

        return new Aircraft(aircraftCode,
                (jsAircraftAirlineEquipCodeStr == null) ? ("")
                        : (jsAircraftAirlineEquipCodeStr.toString().replace("\"", "")),
                JsonParserUtils.getNamesMap(jsNamesObj));
    }

}