net.palacesoft.cngstation.client.loader.CountryLoader.java Source code

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Here is the source code for net.palacesoft.cngstation.client.loader.CountryLoader.java

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/**
* *******************************************************************************************************************
* <p/>
* Copyright (C) 7/30/12 by Manuel Palacio
* <p/>
* **********************************************************************************************************************
* <p/>
* 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
* <p/>
* http://www.apache.org/licenses/LICENSE-2.0
* <p/>
* 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.
* <p/>
* **********************************************************************************************************************
*/
package net.palacesoft.cngstation.client.loader;

import android.app.ProgressDialog;
import android.os.AsyncTask;
import android.util.Log;
import net.palacesoft.cngstation.client.StationActivity;
import net.palacesoft.cngstation.client.StationDTO;
import org.springframework.web.client.RestClientException;
import org.springframework.web.client.RestTemplate;

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

import static java.util.Arrays.asList;

public class CountryLoader extends AsyncTask<String, Void, List<StationDTO>> {
    private StationActivity stationActivity;
    private RestTemplate restTemplate = new RestTemplate();
    private ProgressDialog progressDialog;

    public CountryLoader(StationActivity stationActivity) {
        this.stationActivity = stationActivity;
    }

    @Override
    protected void onPreExecute() {
        progressDialog = stationActivity.createProgressDialog("Loading countries...");
        progressDialog.show();
    }

    @Override
    protected List<StationDTO> doInBackground(String... urls) {
        StationDTO[] dtos = new StationDTO[0];
        try {
            dtos = restTemplate.getForObject(urls[0], StationDTO[].class);
        } catch (RestClientException e) {
            Log.e(StationActivity.class.getName(), e.getMessage(), e);
        }
        return asList(dtos);
    }

    @Override
    protected void onPostExecute(List<StationDTO> stations) {
        progressDialog.dismiss();
        List<String> countriesList = new ArrayList<String>();
        for (StationDTO stationDTO : stations) {
            countriesList.add(stationDTO.getCountryName());
        }

        stationActivity.setCountries(countriesList);
    }
}