co.edu.uniajc.vtf.utils.RestAsyncTask.java Source code

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Here is the source code for co.edu.uniajc.vtf.utils.RestAsyncTask.java

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/***********************************************************************************************
 * Project: Tourist Guide System Toguis
 * University: UNIAJC
 * Authors: Julieth Candia and Carlos Morante
 * Year: 2014 - 2015
 * Version: 1.0 
 * License: GPL V2
 ***********************************************************************************************/
package co.edu.uniajc.vtf.utils;

import java.net.SocketTimeoutException;
import java.util.ArrayList;

import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.StringEntity;
import org.apache.http.params.BasicHttpParams;
import org.apache.http.params.HttpConnectionParams;
import org.apache.http.params.HttpParams;
import org.apache.http.util.EntityUtils;

import android.content.Context;
import android.os.AsyncTask;

public class RestAsyncTask extends AsyncTask<String, Long, String> {
    private final HttpClient coClient;
    private ArrayList<RestAsyncTaskListener> coAsyncTaskListener;
    private boolean cbohasError;

    public RestAsyncTask(Context pContext) {
        HttpParams httpParameters = new BasicHttpParams();
        HttpConnectionParams.setConnectionTimeout(httpParameters, 30000);
        HttpConnectionParams.setSoTimeout(httpParameters, 30000);
        this.coClient = new ToguisHttpClient(httpParameters, pContext);
        this.cbohasError = false;
        this.coAsyncTaskListener = new ArrayList<RestAsyncTaskListener>();
    }

    @Override
    protected String doInBackground(String... params) {
        String lsResult = "";
        try {
            if (params[0].equals("0")) {
                HttpGet loRequest = new HttpGet(params[1].toString());
                HttpResponse loResponse = coClient.execute(loRequest);
                lsResult = EntityUtils.toString(loResponse.getEntity());
            } else if (params[0].equals("1")) {
                HttpPost loRequest = new HttpPost(params[1].toString());
                StringEntity lsData = new StringEntity(params[2].toString());
                loRequest.setEntity(lsData);
                loRequest.setHeader("Accept", "application/json");
                loRequest.setHeader("Content-type", "application/json");

                HttpResponse loResponse = coClient.execute(loRequest);
                lsResult = EntityUtils.toString(loResponse.getEntity());
            }

        } catch (SocketTimeoutException ex) {
            this.cbohasError = true;
            lsResult = "Timeout exception";
        } catch (Exception ex) {
            this.cbohasError = true;
            lsResult = ex.getMessage();
        }

        return lsResult;
    }

    @Override
    protected void onPostExecute(String result) {
        super.onPostExecute(result);
        if (!this.cbohasError) {
            for (RestAsyncTaskListener item : this.coAsyncTaskListener) {
                item.onQuerySuccessful(result);
            }
        } else {
            for (RestAsyncTaskListener item : this.coAsyncTaskListener) {
                item.onQueryError(result);
            }
        }
    }

    public final void addAsyncTaskListener(RestAsyncTaskListener pAsyncListener) {
        this.coAsyncTaskListener.add(pAsyncListener);
    }

}