org.umit.icm.mobile.connectivity.ServiceHTTP.java Source code

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Here is the source code for org.umit.icm.mobile.connectivity.ServiceHTTP.java

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/**
 * Copyright (C) 2011 Adriano Monteiro Marques
 *
 * Author:  Zubair Nabi <zn.zubairnabi@gmail.com>
 *
 * This program 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 2 of the License, or
 * (at your option) any later version.
 *
 * This program 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, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
 * USA
 */

package org.umit.icm.mobile.connectivity;

import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.StatusLine;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.DefaultHttpClient;
import org.umit.icm.mobile.process.Globals;

import android.util.Log;

/**
 * This is the HTTP Service class. Holds {@link ServiceHTTP#connect()},
 * {@link ServiceHTTP#getService()} and {@link ServiceHTTP#getService()} methods.
 */

public class ServiceHTTP implements AbstractServiceTest {

    /**
     * Returns a an HTTP Response String.
     * 
     *                                                                                                 
              
    @return      String
     *
         
    @see HttpClient
     */
    @Override
    public String connect() {

        HttpClient httpClient = new DefaultHttpClient();
        HttpGet httpGet = new HttpGet(getServiceURL());

        try {
            HttpResponse httpResponse = httpClient.execute(httpGet);
            StatusLine statusLine = httpResponse.getStatusLine();
            if (statusLine.getStatusCode() != 200) {
                return "blocked";
            }
            HttpEntity httpEntity = httpResponse.getEntity();
            InputStream inputStream = httpEntity.getContent();
            ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
            int bytes = 0;
            byte[] buffer = new byte[1024];
            while ((bytes = inputStream.read(buffer)) != -1) {
                byteArrayOutputStream.write(buffer, 0, bytes);
            }
            if (new String(byteArrayOutputStream.toByteArray()) != null)
                return "normal";
            else
                return "blocked";
        } catch (IOException e) {
            Log.w("ServiceHTTPException: ", e.getLocalizedMessage());
            return "blocked";
        }
    }

    /**
     * Returns a {@link Service} object from HTTP. 
     * 
     *    
        
    @see  Service
     *                                                   
               
    @return      Service
     */
    @Override
    public Service getService() {
        return Globals.runtimeList.servicesList.get(1);
    }

    /**
     * Returns a String for service scanning URL. 
     * 
     *                                                      
               
    @return      String
     */
    @Override
    public String getServiceURL() {
        return "http://www.google.com";
    }

    @Override
    public String getServicePacket() {
        return ServicePackets.HTTP_GET;
    }
}