com.pcinpact.downloaders.Downloader.java Source code

Introduction

Here is the source code for com.pcinpact.downloaders.Downloader.java

Source

/*
 * Copyright 2014,2015 Anael Mobilia
 * 
 * This file is part of NextINpact-Unofficial.
 * 
 * NextINpact-Unofficial 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.
 * 
 * NextINpact-Unofficial 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 NextINpact-Unofficial. If not, see <http://www.gnu.org/licenses/>
 */
package com.pcinpact.downloaders;

import java.io.ByteArrayOutputStream;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.HttpStatus;
import org.apache.http.client.methods.HttpGet;

import com.pcinpact.Constantes;

import android.net.http.AndroidHttpClient;
import android.util.Log;

/**
 * Tlchargement des ressources
 * 
 * @author Anael
 *
 */
public class Downloader {
    /**
     * Tlchargement d'une ressource
     * 
     * @param uneURL
     * @return
     */
    public static ByteArrayOutputStream download(String uneURL) {
        // Inspir de http://android-developers.blogspot.de/2010/07/multithreading-for-performance.html
        AndroidHttpClient client = AndroidHttpClient.newInstance("NextInpact (Unofficial)");
        HttpGet getRequest = new HttpGet(uneURL);

        try {
            // Lancement de la requte
            HttpResponse response = client.execute(getRequest);
            int statusCode = response.getStatusLine().getStatusCode();

            // Gestion d'un code erreur
            if (statusCode != HttpStatus.SC_OK) {
                if (Constantes.DEBUG) {
                    Log.e("Downloader", "Error " + statusCode + " while retrieving " + uneURL);
                }
                return null;
            }

            // Chargement de la rponse  la requte
            HttpEntity entity = response.getEntity();
            if (entity != null) {
                // Taille du contenu  tlcharger
                int bufferSize = (int) entity.getContentLength();
                // Si erreur ou inconnu, on initialise  1024
                if (bufferSize < 0) {
                    bufferSize = 1024;
                }

                // Je cre mon buffer
                ByteArrayOutputStream monBAOS = new ByteArrayOutputStream(bufferSize);

                try {
                    // Rcupration du contenu
                    entity.writeTo(monBAOS);

                    // Renvoi de ce dernier
                    return monBAOS;
                } finally {
                    entity.consumeContent();
                }
            }
        } catch (Exception e) {
            getRequest.abort();
            if (Constantes.DEBUG) {
                Log.e("Downloader", "Error while retrieving " + uneURL, e);
            }
        } finally {
            if (client != null) {
                client.close();
            }
        }
        return null;
    }
}