CalendarSpiceService

package com.example.android.network;

import android.app.Application;

import com.octo.android.robospice.SpringAndroidSpiceService;
import com.octo.android.robospice.persistence.CacheManager;
import com.octo.android.robospice.persistence.exception.CacheCreationException;
import com.octo.android.robospice.persistence.ormlite.InDatabaseObjectPersisterFactory;

import org.springframework.http.client.HttpComponentsClientHttpRequestFactory;
import org.springframework.http.converter.FormHttpMessageConverter;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.StringHttpMessageConverter;
import org.springframework.http.converter.json.MappingJacksonHttpMessageConverter;
import org.springframework.web.client.RestTemplate;

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

/**
 * RoboSpice SpiceService for the Calendrier-Lunaire Web Service
 * dedicated to persistence of POJOs inside a database using ORMLite
 *
 * Caching : use the ORMLite module of RoboSpice
 * Networking : use SpringAndroid for REST request
 *
 * Process any SpiceRequest instance {@link DaysRequest}
 *
 * @author Guillaume MOREL-BAILLY
 * @version 1.0
 * @since 1.0
 */
public class CalendarSpiceService extends SpringAndroidSpiceService {

    private static final int WEBSERVICES_TIMEOUT = 10000;

    @Override
    public CacheManager createCacheManager(Application application) throws CacheCreationException {
        CacheManager cacheManager = new CacheManager();
        List<Class<?>> classCollection = new ArrayList< Class< ? >>();

        // Add persisted classe(s) to class collection
        classCollection.add(Days.class);
        classCollection.add(Day.class);
        classCollection.add(Months.class);
        classCollection.add(Month.class);
        classCollection.add(Topic.class);
        classCollection.add(Topics.class);
        classCollection.add(News.class);
        classCollection.add(NewsCollection.class);

        // Init
        if (DatabaseManager.getHelper() == null) {
            DatabaseHelper databaseHelper = new DatabaseHelper(application, Consts.DATABASE_NAME, Consts.DATABASE_VERSION);
            DatabaseManager.setHelper(databaseHelper);
        }
        InDatabaseObjectPersisterFactory inDatabaseObjectPersisterFactory = new InDatabaseObjectPersisterFactory(application, DatabaseManager.getHelper(), classCollection);
        cacheManager.addPersister(inDatabaseObjectPersisterFactory);

        return cacheManager;
    }

    @Override
    public RestTemplate createRestTemplate() {
        RestTemplate restTemplate = new RestTemplate();

        // Bug on HTTP connection for Android < 2.2
        System.setProperty("http.keepAlive", "false");

        // Set timeout for requests
        HttpComponentsClientHttpRequestFactory httpRequestFactory = new HttpComponentsClientHttpRequestFactory();
        httpRequestFactory.setReadTimeout(WEBSERVICES_TIMEOUT);
        httpRequestFactory.setConnectTimeout(WEBSERVICES_TIMEOUT);
        restTemplate.setRequestFactory(httpRequestFactory);

        // Web services support JSON responses
        MappingJacksonHttpMessageConverter jsonConverter = new  MappingJacksonHttpMessageConverter();
        FormHttpMessageConverter formHttpMessageConverter = new FormHttpMessageConverter();
        StringHttpMessageConverter stringHttpMessageConverter = new StringHttpMessageConverter();

        final List<HttpMessageConverter<?>> listHttpMessageConverters = restTemplate.getMessageConverters();

        listHttpMessageConverters.add(jsonConverter);
        listHttpMessageConverters.add(formHttpMessageConverter);
        listHttpMessageConverters.add(stringHttpMessageConverter);
        restTemplate.setMessageConverters(listHttpMessageConverters);

        return restTemplate;
    }

}