lets.code.project.conectividad.BasicWebService.java Source code

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Here is the source code for lets.code.project.conectividad.BasicWebService.java

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/*******************************************************************************
 * Este cdigo est bajo la licencia CC by sa 
 * http://creativecommons.org/licenses/by-sa/2.5/es/
 * 
 * Licencia que le permite copiar, distribuir y comunicar pblicamente la obra, transformar la obra o hacer un uso comercial de esta obra siempre y cuando cumpla las condiciones de:
 * Reconocimiento  Debe reconocer los crditos de la obra de la manera especificada por el autor Jose B. Corts (pero no de una manera que sugiera que tiene su apoyo o apoyan el uso que hace de su obra).
 * 
 * Compartir bajo la misma licencia  Si altera o transforma esta obra, o genera una obra derivada, slo puede distribuir la obra generada bajo una licencia idntica a sta.
 ******************************************************************************/
package lets.code.project.conectividad;

import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;

import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.params.BasicHttpParams;
import org.apache.http.params.HttpConnectionParams;
import org.apache.http.params.HttpParams;
import org.apache.http.protocol.BasicHttpContext;
import org.apache.http.protocol.HttpContext;
import org.apache.http.util.EntityUtils;

import android.util.Log;

public class BasicWebService {

    DefaultHttpClient httpClient;
    HttpContext localContext;
    String returnedValue;

    HttpResponse response = null;
    HttpPost httpPost = null;
    HttpGet httpGet = null;
    String webServiceUrl;

    public BasicWebService(String serviceName) {
        HttpParams myParams = new BasicHttpParams();

        HttpConnectionParams.setConnectionTimeout(myParams, 10000);
        HttpConnectionParams.setSoTimeout(myParams, 10000);
        httpClient = new DefaultHttpClient(myParams);
        localContext = new BasicHttpContext();
        webServiceUrl = serviceName;

    }

    public String webGet(String methodName, Map<String, String> params) {
        String getUrl = webServiceUrl + methodName;

        getUrl = generateUrl(params, getUrl);

        httpGet = new HttpGet(getUrl);
        Log.e("WebGetURL: ", getUrl);
        try {
            response = httpClient.execute(httpGet);
            System.out.println("STATUS RESPONSE " + response.getStatusLine().getStatusCode());
            returnedValue = EntityUtils.toString(response.getEntity());
        } catch (IOException e) {
            Log.e("WebService:", " Messaje " + e.getMessage());
        } catch (Exception e) {
            Log.e("WebService:", " Messaje " + e.getMessage());
        }

        return returnedValue;
    }

    private String generateUrl(Map<String, String> params, String getUrl) {
        int i = 0;
        for (Map.Entry<String, String> param : params.entrySet()) {
            if (i == 0) {
                getUrl += "?";
            } else {
                getUrl += "&";
            }

            try {
                getUrl += param.getKey() + "=" + URLEncoder.encode(param.getValue(), "UTF-8");
            } catch (UnsupportedEncodingException e) {
                e.printStackTrace();
            }
            i++;
        }
        return getUrl;
    }

    public void postData() {
        httpPost = new HttpPost(webServiceUrl);
        try {
            List<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>(2);
            nameValuePairs.add(new BasicNameValuePair("id", "1"));
            nameValuePairs.add(new BasicNameValuePair("name", "crf"));
            nameValuePairs.add(new BasicNameValuePair("course", "android"));
            httpPost.setEntity(new UrlEncodedFormEntity(nameValuePairs));
            httpClient.execute(httpPost);

        } catch (ClientProtocolException e) {
            Log.e("WebService:", " ClientProtocolException " + e.getMessage());
        } catch (IOException e) {
            Log.e("WebService:", " IOException " + e.getMessage());
        }
    }

}