net.naonedbus.manager.impl.CommentaireManager.java Source code

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Here is the source code for net.naonedbus.manager.impl.CommentaireManager.java

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/**
 * Copyright (C) 2013 Romain Guefveneu.
 *   
 *  This file is part of naonedbus.
 *   
 *  Naonedbus is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *  
 *  Naonedbus is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *  
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package net.naonedbus.manager.impl;

import java.io.IOException;
import java.util.List;

import net.naonedbus.bean.Commentaire;
import net.naonedbus.manager.SQLiteManager;
import net.naonedbus.provider.impl.CommentaireProvider;
import net.naonedbus.provider.table.CommentaireTable;
import net.naonedbus.rest.controller.impl.CommentaireController;

import org.json.JSONException;

import android.content.ContentResolver;
import android.content.ContentValues;
import android.database.Cursor;
import android.net.Uri;

public class CommentaireManager extends SQLiteManager<Commentaire> {

    private static CommentaireManager sInstance;

    private static final long UP_TO_DATE_DELAY = 300000; // 5 min de cache

    private long mLastUpdateTimestamp = -1;

    private int mColId;
    private int mColCodeLigne;
    private int mColCodeSens;
    private int mColCodeArret;
    private int mColMessage;
    private int mColSource;
    private int mColTimestamp;

    public static synchronized CommentaireManager getInstance() {
        if (sInstance == null) {
            sInstance = new CommentaireManager();
        }

        return sInstance;
    }

    private CommentaireManager() {
        super(CommentaireProvider.CONTENT_URI);
    }

    public boolean isUpToDate() {
        return mLastUpdateTimestamp + UP_TO_DATE_DELAY >= System.currentTimeMillis();
    }

    public List<Commentaire> getAll(final ContentResolver contentResolver, final String codeLigne,
            final String codeSens, final String codeArret) {

        final Uri.Builder builder = CommentaireProvider.CONTENT_URI.buildUpon();
        if (codeLigne != null) {
            builder.appendPath(codeLigne);
            if (codeSens != null) {
                builder.appendPath(codeSens);
                if (codeArret != null) {
                    builder.appendPath(codeArret);
                }
            }
        }

        final Cursor c = contentResolver.query(builder.build(), null, null, null, null);
        return getFromCursor(c);
    }

    public void updateCache(final ContentResolver contentResolver) throws IOException, JSONException {
        final CommentaireController commentaireController = new CommentaireController();

        try {
            final List<Commentaire> data = commentaireController.getAll(null, null, null);
            clear(contentResolver);
            fillDB(contentResolver, data);
        } finally {
            mLastUpdateTimestamp = System.currentTimeMillis();
        }

    }

    public void clear(final ContentResolver contentResolver) {
        contentResolver.delete(CommentaireProvider.CONTENT_URI, null, null);
    }

    @Override
    public void onIndexCursor(final Cursor c) {
        mColId = c.getColumnIndex(CommentaireTable._ID);
        mColCodeLigne = c.getColumnIndex(CommentaireTable.CODE_LIGNE);
        mColCodeSens = c.getColumnIndex(CommentaireTable.CODE_SENS);
        mColCodeArret = c.getColumnIndex(CommentaireTable.CODE_ARRET);
        mColMessage = c.getColumnIndex(CommentaireTable.MESSAGE);
        mColSource = c.getColumnIndex(CommentaireTable.SOURCE);
        mColTimestamp = c.getColumnIndex(CommentaireTable.TIMESTAMP);
    }

    @Override
    public Commentaire getSingleFromCursor(final Cursor c) {
        final Commentaire commentaire = new Commentaire();
        commentaire.setId(c.getInt(mColId));
        commentaire.setCodeLigne(c.getString(mColCodeLigne));
        commentaire.setCodeSens(c.getString(mColCodeSens));
        commentaire.setCodeArret(c.getString(mColCodeArret));
        commentaire.setMessage(c.getString(mColMessage));
        commentaire.setSource(c.getString(mColSource));
        commentaire.setTimestamp(c.getLong(mColTimestamp));
        return commentaire;
    }

    @Override
    protected ContentValues getContentValues(final Commentaire commentaire) {
        final ContentValues values = new ContentValues();
        values.put(CommentaireTable.CODE_LIGNE, commentaire.getCodeLigne());
        values.put(CommentaireTable.CODE_SENS, commentaire.getCodeSens());
        values.put(CommentaireTable.CODE_ARRET, commentaire.getCodeArret());
        values.put(CommentaireTable.MESSAGE, commentaire.getMessage());
        values.put(CommentaireTable.SOURCE, commentaire.getSource());
        values.put(CommentaireTable.TIMESTAMP, commentaire.getTimestamp());
        return values;
    }

    private void fillDB(final ContentResolver contentResolver, final List<Commentaire> commentaires) {
        final ContentValues[] values = new ContentValues[commentaires.size()];
        for (int i = 0; i < commentaires.size(); i++) {
            values[i] = getContentValues(commentaires.get(i));
        }

        contentResolver.bulkInsert(CommentaireProvider.CONTENT_URI, values);
    }
}