com.core.ServerConnector.java Source code

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Here is the source code for com.core.ServerConnector.java

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/*
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package com.core;

import com.util.Log;
import com.util.QTResponse;
import com.util.Util;
import java.io.InputStream;
import java.net.URLEncoder;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.HttpClient;
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.json.JSONException;
import org.json.JSONObject;

/**
 *
 * @author Ahmed
 */

public class ServerConnector {

    static final String TAG = "SCANTRANXRETAIL";

    public static String post(String endpoint, Map<String, String> params) throws Exception {
        String result = null;
        HttpParams httpParameters = new BasicHttpParams();
        HttpConnectionParams.setConnectionTimeout(httpParameters, 5000);
        HttpConnectionParams.setSoTimeout(httpParameters, 10000);
        HttpClient httpclient = new DefaultHttpClient(httpParameters);
        HttpPost httppost = new HttpPost(endpoint);
        List<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>(2);
        Iterator<Entry<String, String>> iterator = params.entrySet().iterator();
        while (iterator.hasNext()) {
            Entry<String, String> param = iterator.next();
            nameValuePairs.add(new BasicNameValuePair(param.getKey(), param.getValue()));
        }
        httppost.setEntity(new UrlEncodedFormEntity(nameValuePairs));
        HttpResponse response = httpclient.execute(httppost);
        HttpEntity entity = response.getEntity();
        if (entity != null) {
            InputStream instream = entity.getContent();
            result = SystemUtil.convertStreamToString(instream);

            instream.close();
        }

        return result;
    }

    public static String GET(String endpoint, Map<String, String> params, Map<String, String> header)
            throws Exception {
        String result = null;
        StringBuilder bodyBuilder = new StringBuilder(endpoint).append("?");
        Iterator<Entry<String, String>> iterator = params.entrySet().iterator();
        // constructs the POST body using the parameters
        while (iterator.hasNext()) {
            Entry<String, String> param = iterator.next();
            bodyBuilder.append(param.getKey()).append('=').append(param.getValue());
            if (iterator.hasNext()) {
                bodyBuilder.append('&');
            }
        }
        String body = bodyBuilder.toString();
        //Log.i("SCANTRANX", "URL:"+body);
        HttpParams httpParameters = new BasicHttpParams();
        HttpConnectionParams.setConnectionTimeout(httpParameters, 5000);
        HttpConnectionParams.setSoTimeout(httpParameters, 10000);
        HttpClient client = new DefaultHttpClient(httpParameters);
        HttpGet request = new HttpGet(body);

        for (Entry<String, String> mm : header.entrySet()) {
            request.addHeader(mm.getKey(), mm.getValue());
        }
        System.out.println("Raw Request:" + request);
        HttpResponse response = client.execute(request);
        HttpEntity entity = response.getEntity();
        if (entity != null) {
            InputStream instream = entity.getContent();
            result = SystemUtil.convertStreamToString(instream);
            instream.close();
        }

        return result;
    }

    public static QTResponse getQtResponse(String txRef) {
        QTResponse qtResponse = new QTResponse();
        String resCode = null, amount = null, resDesc = null, pmtRef = null, tdate = null, message = null;
        JSONObject jo = null;
        boolean gotres = false;

        try {
            String secretKey = Log.SECRETKEY;
            String endpoint = "https://paywith.quickteller.com/api/v2/transaction.json";
            HashMap params = new HashMap<String, String>();
            HashMap headers = new HashMap<String, String>();
            params.put("transRef", URLEncoder.encode(txRef));
            headers.put("clientid", Log.clientId);
            headers.put("Hash", Util.hash(txRef + secretKey));

            String response = GET(endpoint, params, headers);
            System.out.println("Raw Respone:" + response);

            jo = new JSONObject(response);
            resCode = jo.getString("ResponseCode");
            amount = jo.getString("Amount");
            resDesc = jo.getString("ResponseDescription");
            pmtRef = jo.getString("PaymentReference");
            tdate = jo.getString("TransactionDate");
            gotres = true;

        } catch (JSONException ex) {
            Logger.getLogger(TestService.class.getName()).log(Level.FINE, null, ex);
            try {
                message = jo.getString("Message");
            } catch (JSONException ex1) {
                Logger.getLogger(TestService.class.getName()).log(Level.SEVERE, null, ex1);
            }
        } catch (Exception ex) {
            Logger.getLogger(TestService.class.getName()).log(Level.SEVERE, null, ex);
        }

        if (gotres) {
            System.out.println("*********Successful Response**********");
            System.out.println("ResponseCode:" + resCode);
            System.out.println("Amount:" + amount);
            System.out.println("ResDesc:" + resDesc);
            System.out.println("pmtRef:" + pmtRef);
            System.out.println("tdate:" + tdate);

            qtResponse.setAmount(amount);
            qtResponse.setResponseCode(resCode);
            qtResponse.setDescription(resDesc);
            qtResponse.setHonour(true);
            if (resCode.equals("00")) {
                qtResponse.setSuccess(true);
            }
        } else {
            System.out.println("*********Failed**********");
            System.out.println("Message:" + message);
            qtResponse.setSuccess(false);
            qtResponse.setDescription(message);
        }

        return qtResponse;
    }

}